./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990b01a-40b8-4bd3-82c6-f8731bdb19ce/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990b01a-40b8-4bd3-82c6-f8731bdb19ce/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990b01a-40b8-4bd3-82c6-f8731bdb19ce/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990b01a-40b8-4bd3-82c6-f8731bdb19ce/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990b01a-40b8-4bd3-82c6-f8731bdb19ce/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990b01a-40b8-4bd3-82c6-f8731bdb19ce/bin/uautomizer-DrprNOufMa --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 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:28:14,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:28:14,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:28:14,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:28:14,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:28:14,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:28:14,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:28:14,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:28:14,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:28:14,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:28:14,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:28:14,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:28:14,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:28:14,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:28:14,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:28:14,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:28:14,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:28:14,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:28:14,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:28:14,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:28:14,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:28:14,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:28:14,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:28:14,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:28:14,935 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:28:14,935 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:28:14,935 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:28:14,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:28:14,936 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:28:14,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:28:14,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:28:14,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:28:14,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:28:14,940 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:28:14,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:28:14,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:28:14,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:28:14,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:28:14,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:28:14,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:28:14,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:28:14,943 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990b01a-40b8-4bd3-82c6-f8731bdb19ce/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-07 01:28:14,961 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:28:14,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:28:14,962 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:28:14,962 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:28:14,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 01:28:14,963 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 01:28:14,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:28:14,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:28:14,963 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:28:14,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:28:14,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:28:14,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:28:14,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 01:28:14,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 01:28:14,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 01:28:14,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:28:14,964 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:28:14,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 01:28:14,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:28:14,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:28:14,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 01:28:14,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:28:14,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:28:14,965 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 01:28:14,965 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 01:28:14,966 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:28:14,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 01:28:14,966 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 01:28:14,966 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 01:28:14,966 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 01:28:14,966 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:28:14,966 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990b01a-40b8-4bd3-82c6-f8731bdb19ce/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990b01a-40b8-4bd3-82c6-f8731bdb19ce/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 [2021-12-07 01:28:15,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:28:15,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:28:15,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:28:15,148 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:28:15,148 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:28:15,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990b01a-40b8-4bd3-82c6-f8731bdb19ce/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2021-12-07 01:28:15,190 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990b01a-40b8-4bd3-82c6-f8731bdb19ce/bin/uautomizer-DrprNOufMa/data/81e31a8a2/e0384711a3ae468fbc44efc629bfd8f1/FLAG3f89751b3 [2021-12-07 01:28:15,876 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:28:15,877 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990b01a-40b8-4bd3-82c6-f8731bdb19ce/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2021-12-07 01:28:15,917 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990b01a-40b8-4bd3-82c6-f8731bdb19ce/bin/uautomizer-DrprNOufMa/data/81e31a8a2/e0384711a3ae468fbc44efc629bfd8f1/FLAG3f89751b3 [2021-12-07 01:28:16,172 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990b01a-40b8-4bd3-82c6-f8731bdb19ce/bin/uautomizer-DrprNOufMa/data/81e31a8a2/e0384711a3ae468fbc44efc629bfd8f1 [2021-12-07 01:28:16,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:28:16,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:28:16,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:28:16,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:28:16,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:28:16,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:28:16" (1/1) ... [2021-12-07 01:28:16,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@371100da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:28:16, skipping insertion in model container [2021-12-07 01:28:16,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:28:16" (1/1) ... [2021-12-07 01:28:16,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:28:16,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:28:19,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990b01a-40b8-4bd3-82c6-f8731bdb19ce/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2021-12-07 01:28:19,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990b01a-40b8-4bd3-82c6-f8731bdb19ce/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2021-12-07 01:28:19,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990b01a-40b8-4bd3-82c6-f8731bdb19ce/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2021-12-07 01:28:19,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990b01a-40b8-4bd3-82c6-f8731bdb19ce/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2021-12-07 01:28:19,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:28:19,496 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:28:19,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990b01a-40b8-4bd3-82c6-f8731bdb19ce/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2021-12-07 01:28:19,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990b01a-40b8-4bd3-82c6-f8731bdb19ce/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2021-12-07 01:28:19,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990b01a-40b8-4bd3-82c6-f8731bdb19ce/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2021-12-07 01:28:19,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990b01a-40b8-4bd3-82c6-f8731bdb19ce/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2021-12-07 01:28:19,855 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:28:20,050 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:28:20,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:28:20 WrapperNode [2021-12-07 01:28:20,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:28:20,051 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:28:20,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:28:20,052 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:28:20,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:28:20" (1/1) ... [2021-12-07 01:28:20,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:28:20" (1/1) ... [2021-12-07 01:28:20,332 INFO L137 Inliner]: procedures = 625, calls = 3468, calls flagged for inlining = 312, calls inlined = 276, statements flattened = 8002 [2021-12-07 01:28:20,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:28:20,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:28:20,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:28:20,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:28:20,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:28:20" (1/1) ... [2021-12-07 01:28:20,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:28:20" (1/1) ... [2021-12-07 01:28:20,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:28:20" (1/1) ... [2021-12-07 01:28:20,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:28:20" (1/1) ... [2021-12-07 01:28:20,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:28:20" (1/1) ... [2021-12-07 01:28:20,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:28:20" (1/1) ... [2021-12-07 01:28:20,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:28:20" (1/1) ... [2021-12-07 01:28:20,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:28:20,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:28:20,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:28:20,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:28:20,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:28:20" (1/1) ... [2021-12-07 01:28:20,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:28:20,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990b01a-40b8-4bd3-82c6-f8731bdb19ce/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:28:20,647 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990b01a-40b8-4bd3-82c6-f8731bdb19ce/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 01:28:20,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990b01a-40b8-4bd3-82c6-f8731bdb19ce/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 01:28:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-07 01:28:20,685 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-07 01:28:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-07 01:28:20,685 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-07 01:28:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2021-12-07 01:28:20,686 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2021-12-07 01:28:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-07 01:28:20,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-07 01:28:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2021-12-07 01:28:20,686 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2021-12-07 01:28:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-07 01:28:20,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-07 01:28:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-07 01:28:20,686 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-07 01:28:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_89 [2021-12-07 01:28:20,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_89 [2021-12-07 01:28:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-07 01:28:20,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-07 01:28:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2021-12-07 01:28:20,687 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2021-12-07 01:28:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-07 01:28:20,687 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-07 01:28:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_78 [2021-12-07 01:28:20,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_78 [2021-12-07 01:28:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-07 01:28:20,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-07 01:28:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-07 01:28:20,688 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-07 01:28:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-07 01:28:20,688 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-07 01:28:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-07 01:28:20,688 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-07 01:28:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-07 01:28:20,689 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-07 01:28:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2021-12-07 01:28:20,689 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2021-12-07 01:28:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_resume [2021-12-07 01:28:20,689 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_resume [2021-12-07 01:28:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2021-12-07 01:28:20,689 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2021-12-07 01:28:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_close [2021-12-07 01:28:20,690 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_close [2021-12-07 01:28:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-07 01:28:20,690 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-07 01:28:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-07 01:28:20,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-07 01:28:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2021-12-07 01:28:20,690 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2021-12-07 01:28:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-07 01:28:20,691 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-07 01:28:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-07 01:28:20,691 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-07 01:28:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-07 01:28:20,691 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-07 01:28:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-07 01:28:20,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-07 01:28:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-07 01:28:20,691 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-07 01:28:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2021-12-07 01:28:20,692 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2021-12-07 01:28:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-07 01:28:20,692 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-07 01:28:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-07 01:28:20,692 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-07 01:28:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 01:28:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-12-07 01:28:20,692 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-12-07 01:28:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2021-12-07 01:28:20,693 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2021-12-07 01:28:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-07 01:28:20,693 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-07 01:28:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2021-12-07 01:28:20,693 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2021-12-07 01:28:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-07 01:28:20,693 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-07 01:28:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-07 01:28:20,693 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-07 01:28:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-07 01:28:20,694 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-07 01:28:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-07 01:28:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2021-12-07 01:28:20,694 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2021-12-07 01:28:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-07 01:28:20,694 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-07 01:28:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-07 01:28:20,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-07 01:28:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2021-12-07 01:28:20,695 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2021-12-07 01:28:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-07 01:28:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-07 01:28:20,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-07 01:28:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 01:28:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-07 01:28:20,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-07 01:28:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-07 01:28:20,696 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-07 01:28:20,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-07 01:28:20,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-07 01:28:20,696 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-07 01:28:20,696 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-07 01:28:20,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-07 01:28:20,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-07 01:28:20,696 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-12-07 01:28:20,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-12-07 01:28:20,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-07 01:28:20,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-07 01:28:20,697 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2021-12-07 01:28:20,697 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2021-12-07 01:28:20,697 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-07 01:28:20,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-07 01:28:20,697 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-07 01:28:20,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-07 01:28:20,697 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2021-12-07 01:28:20,697 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2021-12-07 01:28:20,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-07 01:28:20,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-07 01:28:20,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 01:28:20,698 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2021-12-07 01:28:20,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2021-12-07 01:28:20,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-07 01:28:20,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-07 01:28:20,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-07 01:28:20,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-07 01:28:20,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 01:28:20,699 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-07 01:28:20,699 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-07 01:28:20,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-07 01:28:20,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-07 01:28:20,699 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-07 01:28:20,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-07 01:28:20,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 01:28:20,699 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-07 01:28:20,699 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-07 01:28:20,700 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-07 01:28:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-12-07 01:28:20,700 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-12-07 01:28:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2021-12-07 01:28:20,700 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2021-12-07 01:28:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2021-12-07 01:28:20,700 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2021-12-07 01:28:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-07 01:28:20,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-07 01:28:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2021-12-07 01:28:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2021-12-07 01:28:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-07 01:28:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-07 01:28:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-07 01:28:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-07 01:28:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-07 01:28:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-07 01:28:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-07 01:28:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-07 01:28:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2021-12-07 01:28:20,702 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2021-12-07 01:28:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-07 01:28:20,702 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-07 01:28:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-07 01:28:20,702 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-07 01:28:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-07 01:28:20,702 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-07 01:28:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2021-12-07 01:28:20,702 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2021-12-07 01:28:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-07 01:28:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-07 01:28:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-07 01:28:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-07 01:28:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:28:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:28:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-07 01:28:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-07 01:28:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-07 01:28:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-07 01:28:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-07 01:28:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-07 01:28:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-07 01:28:20,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-07 01:28:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-07 01:28:20,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-07 01:28:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-07 01:28:20,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-07 01:28:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-07 01:28:20,704 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-07 01:28:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-12-07 01:28:20,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-12-07 01:28:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-07 01:28:20,705 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-07 01:28:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-07 01:28:20,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-07 01:28:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2021-12-07 01:28:20,705 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2021-12-07 01:28:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2021-12-07 01:28:20,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2021-12-07 01:28:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-07 01:28:20,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-07 01:28:20,706 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-07 01:28:20,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-07 01:28:20,706 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-07 01:28:20,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-07 01:28:20,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2021-12-07 01:28:20,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2021-12-07 01:28:20,706 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-07 01:28:20,706 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-07 01:28:20,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-07 01:28:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-07 01:28:20,707 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2021-12-07 01:28:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2021-12-07 01:28:20,707 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-07 01:28:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-07 01:28:20,707 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-07 01:28:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-07 01:28:20,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 01:28:20,707 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-07 01:28:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-07 01:28:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-07 01:28:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-07 01:28:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-07 01:28:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-07 01:28:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2021-12-07 01:28:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2021-12-07 01:28:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 01:28:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2021-12-07 01:28:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2021-12-07 01:28:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2021-12-07 01:28:20,709 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2021-12-07 01:28:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-07 01:28:20,709 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-07 01:28:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2021-12-07 01:28:20,709 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2021-12-07 01:28:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-07 01:28:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2021-12-07 01:28:20,709 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2021-12-07 01:28:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-07 01:28:20,709 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-07 01:28:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-07 01:28:20,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-07 01:28:20,710 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-07 01:28:20,710 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-07 01:28:20,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-07 01:28:20,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-07 01:28:20,710 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-07 01:28:20,710 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-07 01:28:20,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-07 01:28:20,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-07 01:28:20,710 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2021-12-07 01:28:20,711 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2021-12-07 01:28:20,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2021-12-07 01:28:20,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2021-12-07 01:28:20,711 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2021-12-07 01:28:20,711 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2021-12-07 01:28:20,711 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2021-12-07 01:28:20,711 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2021-12-07 01:28:20,711 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-07 01:28:20,711 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-07 01:28:20,711 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-07 01:28:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-07 01:28:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_open [2021-12-07 01:28:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_open [2021-12-07 01:28:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-07 01:28:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-07 01:28:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-07 01:28:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-07 01:28:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2021-12-07 01:28:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2021-12-07 01:28:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-07 01:28:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-07 01:28:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 01:28:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2021-12-07 01:28:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2021-12-07 01:28:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-07 01:28:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-07 01:28:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2021-12-07 01:28:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2021-12-07 01:28:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2021-12-07 01:28:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2021-12-07 01:28:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2021-12-07 01:28:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2021-12-07 01:28:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-07 01:28:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-07 01:28:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-07 01:28:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-07 01:28:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_nway_reset [2021-12-07 01:28:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_nway_reset [2021-12-07 01:28:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-07 01:28:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-07 01:28:20,715 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2021-12-07 01:28:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2021-12-07 01:28:20,715 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-12-07 01:28:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-12-07 01:28:20,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-07 01:28:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-07 01:28:20,715 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-07 01:28:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-07 01:28:20,715 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-07 01:28:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-07 01:28:20,716 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2021-12-07 01:28:20,716 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2021-12-07 01:28:20,716 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-07 01:28:20,716 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-07 01:28:20,716 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-07 01:28:20,716 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-07 01:28:20,716 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2021-12-07 01:28:20,716 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2021-12-07 01:28:20,716 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-12-07 01:28:20,716 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-12-07 01:28:20,716 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-07 01:28:20,717 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-07 01:28:20,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 01:28:20,717 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-12-07 01:28:20,717 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-12-07 01:28:20,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-07 01:28:20,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-07 01:28:20,717 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2021-12-07 01:28:20,717 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2021-12-07 01:28:20,717 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2021-12-07 01:28:20,717 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2021-12-07 01:28:21,296 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:28:21,298 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:28:21,560 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-07 01:28:31,950 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-07 01:28:32,036 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:28:32,055 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:28:32,055 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-07 01:28:32,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:28:32 BoogieIcfgContainer [2021-12-07 01:28:32,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:28:32,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 01:28:32,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 01:28:32,062 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 01:28:32,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:28:16" (1/3) ... [2021-12-07 01:28:32,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c3cb2b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:28:32, skipping insertion in model container [2021-12-07 01:28:32,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:28:20" (2/3) ... [2021-12-07 01:28:32,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c3cb2b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:28:32, skipping insertion in model container [2021-12-07 01:28:32,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:28:32" (3/3) ... [2021-12-07 01:28:32,064 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2021-12-07 01:28:32,068 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 01:28:32,069 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-12-07 01:28:32,113 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:28:32,118 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 01:28:32,118 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-07 01:28:32,202 INFO L276 IsEmpty]: Start isEmpty. Operand has 2822 states, 1909 states have (on average 1.2572027239392352) internal successors, (2400), 1937 states have internal predecessors, (2400), 761 states have call successors, (761), 149 states have call predecessors, (761), 148 states have return successors, (755), 753 states have call predecessors, (755), 755 states have call successors, (755) [2021-12-07 01:28:32,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-12-07 01:28:32,218 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:28:32,219 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:28:32,220 INFO L402 AbstractCegarLoop]: === Iteration 1 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-07 01:28:32,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:28:32,225 INFO L85 PathProgramCache]: Analyzing trace with hash -695297070, now seen corresponding path program 1 times [2021-12-07 01:28:32,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:28:32,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502894440] [2021-12-07 01:28:32,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:28:32,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:28:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:28:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:32,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:28:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:28:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:28:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:28:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:28:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:28:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:28:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:28:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:28:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:28:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:28:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:28:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:28:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 01:28:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-07 01:28:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:32,998 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2021-12-07 01:28:32,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:28:32,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502894440] [2021-12-07 01:28:33,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502894440] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:28:33,000 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:28:33,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:28:33,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245034023] [2021-12-07 01:28:33,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:28:33,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 01:28:33,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:28:33,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 01:28:33,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 01:28:33,031 INFO L87 Difference]: Start difference. First operand has 2822 states, 1909 states have (on average 1.2572027239392352) internal successors, (2400), 1937 states have internal predecessors, (2400), 761 states have call successors, (761), 149 states have call predecessors, (761), 148 states have return successors, (755), 753 states have call predecessors, (755), 755 states have call successors, (755) Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-12-07 01:28:38,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:28:38,325 INFO L93 Difference]: Finished difference Result 8538 states and 12069 transitions. [2021-12-07 01:28:38,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 01:28:38,327 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 181 [2021-12-07 01:28:38,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:28:38,376 INFO L225 Difference]: With dead ends: 8538 [2021-12-07 01:28:38,377 INFO L226 Difference]: Without dead ends: 5732 [2021-12-07 01:28:38,395 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:28:38,399 INFO L933 BasicCegarLoop]: 4279 mSDtfsCounter, 4767 mSDsluCounter, 4548 mSDsCounter, 0 mSdLazyCounter, 2449 mSolverCounterSat, 2149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5469 SdHoareTripleChecker+Valid, 8827 SdHoareTripleChecker+Invalid, 4598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2149 IncrementalHoareTripleChecker+Valid, 2449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-12-07 01:28:38,400 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5469 Valid, 8827 Invalid, 4598 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2149 Valid, 2449 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-12-07 01:28:38,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5732 states. [2021-12-07 01:28:38,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5732 to 5465. [2021-12-07 01:28:38,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5465 states, 3725 states have (on average 1.2518120805369128) internal successors, (4663), 3786 states have internal predecessors, (4663), 1448 states have call successors, (1448), 293 states have call predecessors, (1448), 288 states have return successors, (1451), 1424 states have call predecessors, (1451), 1444 states have call successors, (1451) [2021-12-07 01:28:38,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5465 states to 5465 states and 7562 transitions. [2021-12-07 01:28:38,725 INFO L78 Accepts]: Start accepts. Automaton has 5465 states and 7562 transitions. Word has length 181 [2021-12-07 01:28:38,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:28:38,727 INFO L470 AbstractCegarLoop]: Abstraction has 5465 states and 7562 transitions. [2021-12-07 01:28:38,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-12-07 01:28:38,727 INFO L276 IsEmpty]: Start isEmpty. Operand 5465 states and 7562 transitions. [2021-12-07 01:28:38,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-12-07 01:28:38,733 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:28:38,734 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:28:38,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 01:28:38,734 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-07 01:28:38,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:28:38,735 INFO L85 PathProgramCache]: Analyzing trace with hash -620921520, now seen corresponding path program 1 times [2021-12-07 01:28:38,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:28:38,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431462109] [2021-12-07 01:28:38,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:28:38,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:28:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:38,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:28:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:38,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:38,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:28:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:38,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:38,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:28:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:38,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:38,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:28:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:39,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:39,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:28:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:39,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:39,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:28:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:39,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:39,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:28:39,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:39,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:39,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:28:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:39,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:39,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:28:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:39,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:39,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:28:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:39,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:39,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:39,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:28:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:39,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:39,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:28:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:39,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:39,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:28:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:39,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:39,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:28:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:39,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:39,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 01:28:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:39,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-07 01:28:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:39,195 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2021-12-07 01:28:39,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:28:39,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431462109] [2021-12-07 01:28:39,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431462109] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:28:39,196 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:28:39,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:28:39,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633649592] [2021-12-07 01:28:39,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:28:39,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 01:28:39,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:28:39,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 01:28:39,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 01:28:39,198 INFO L87 Difference]: Start difference. First operand 5465 states and 7562 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-12-07 01:28:44,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:28:44,713 INFO L93 Difference]: Finished difference Result 16666 states and 23123 transitions. [2021-12-07 01:28:44,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 01:28:44,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 182 [2021-12-07 01:28:44,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:28:44,776 INFO L225 Difference]: With dead ends: 16666 [2021-12-07 01:28:44,776 INFO L226 Difference]: Without dead ends: 11234 [2021-12-07 01:28:44,795 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:28:44,796 INFO L933 BasicCegarLoop]: 4236 mSDtfsCounter, 4716 mSDsluCounter, 4567 mSDsCounter, 0 mSdLazyCounter, 2467 mSolverCounterSat, 2078 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5417 SdHoareTripleChecker+Valid, 8803 SdHoareTripleChecker+Invalid, 4545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2078 IncrementalHoareTripleChecker+Valid, 2467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:28:44,797 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5417 Valid, 8803 Invalid, 4545 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2078 Valid, 2467 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-12-07 01:28:44,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11234 states. [2021-12-07 01:28:45,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11234 to 10760. [2021-12-07 01:28:45,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10760 states, 7354 states have (on average 1.252243676910525) internal successors, (9209), 7467 states have internal predecessors, (9209), 2829 states have call successors, (2829), 582 states have call predecessors, (2829), 573 states have return successors, (2839), 2788 states have call predecessors, (2839), 2825 states have call successors, (2839) [2021-12-07 01:28:45,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10760 states to 10760 states and 14877 transitions. [2021-12-07 01:28:45,209 INFO L78 Accepts]: Start accepts. Automaton has 10760 states and 14877 transitions. Word has length 182 [2021-12-07 01:28:45,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:28:45,209 INFO L470 AbstractCegarLoop]: Abstraction has 10760 states and 14877 transitions. [2021-12-07 01:28:45,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-12-07 01:28:45,210 INFO L276 IsEmpty]: Start isEmpty. Operand 10760 states and 14877 transitions. [2021-12-07 01:28:45,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-12-07 01:28:45,213 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:28:45,213 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:28:45,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 01:28:45,214 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-07 01:28:45,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:28:45,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1738075297, now seen corresponding path program 1 times [2021-12-07 01:28:45,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:28:45,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730010924] [2021-12-07 01:28:45,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:28:45,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:28:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:28:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:28:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:28:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:28:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:28:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:28:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:28:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:28:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:28:45,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:28:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:28:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:28:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:45,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:28:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:45,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:28:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 01:28:45,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-07 01:28:45,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-07 01:28:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-07 01:28:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:45,556 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2021-12-07 01:28:45,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:28:45,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730010924] [2021-12-07 01:28:45,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730010924] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:28:45,557 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:28:45,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:28:45,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280324308] [2021-12-07 01:28:45,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:28:45,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 01:28:45,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:28:45,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 01:28:45,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 01:28:45,558 INFO L87 Difference]: Start difference. First operand 10760 states and 14877 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-07 01:28:50,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:28:50,647 INFO L93 Difference]: Finished difference Result 32992 states and 45797 transitions. [2021-12-07 01:28:50,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 01:28:50,648 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 196 [2021-12-07 01:28:50,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:28:50,751 INFO L225 Difference]: With dead ends: 32992 [2021-12-07 01:28:50,751 INFO L226 Difference]: Without dead ends: 22265 [2021-12-07 01:28:50,792 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:28:50,794 INFO L933 BasicCegarLoop]: 4539 mSDtfsCounter, 4738 mSDsluCounter, 4761 mSDsCounter, 0 mSdLazyCounter, 2484 mSolverCounterSat, 2082 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5435 SdHoareTripleChecker+Valid, 9300 SdHoareTripleChecker+Invalid, 4566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2082 IncrementalHoareTripleChecker+Valid, 2484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-12-07 01:28:50,794 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5435 Valid, 9300 Invalid, 4566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2082 Valid, 2484 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-12-07 01:28:50,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22265 states. [2021-12-07 01:28:51,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22265 to 21314. [2021-12-07 01:28:51,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21314 states, 14582 states have (on average 1.2527088190920312) internal successors, (18267), 14825 states have internal predecessors, (18267), 5583 states have call successors, (5583), 1158 states have call predecessors, (5583), 1145 states have return successors, (5681), 5478 states have call predecessors, (5681), 5579 states have call successors, (5681) [2021-12-07 01:28:51,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21314 states to 21314 states and 29531 transitions. [2021-12-07 01:28:51,671 INFO L78 Accepts]: Start accepts. Automaton has 21314 states and 29531 transitions. Word has length 196 [2021-12-07 01:28:51,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:28:51,672 INFO L470 AbstractCegarLoop]: Abstraction has 21314 states and 29531 transitions. [2021-12-07 01:28:51,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-07 01:28:51,673 INFO L276 IsEmpty]: Start isEmpty. Operand 21314 states and 29531 transitions. [2021-12-07 01:28:51,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-12-07 01:28:51,677 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:28:51,677 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 14, 14, 14, 14, 14, 14, 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] [2021-12-07 01:28:51,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 01:28:51,677 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-07 01:28:51,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:28:51,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1468045676, now seen corresponding path program 1 times [2021-12-07 01:28:51,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:28:51,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670548857] [2021-12-07 01:28:51,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:28:51,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:28:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:28:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:28:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:28:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:28:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:28:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:28:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:28:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:28:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:28:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:28:51,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:28:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:28:51,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:28:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:28:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:51,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 01:28:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-07 01:28:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-07 01:28:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-07 01:28:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:51,973 INFO L134 CoverageAnalysis]: Checked inductivity of 913 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2021-12-07 01:28:51,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:28:51,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670548857] [2021-12-07 01:28:51,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670548857] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:28:51,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:28:51,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:28:51,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505829823] [2021-12-07 01:28:51,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:28:51,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 01:28:51,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:28:51,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 01:28:51,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 01:28:51,975 INFO L87 Difference]: Start difference. First operand 21314 states and 29531 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-07 01:28:57,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:28:57,221 INFO L93 Difference]: Finished difference Result 49311 states and 68420 transitions. [2021-12-07 01:28:57,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 01:28:57,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 204 [2021-12-07 01:28:57,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:28:57,320 INFO L225 Difference]: With dead ends: 49311 [2021-12-07 01:28:57,320 INFO L226 Difference]: Without dead ends: 28030 [2021-12-07 01:28:57,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:28:57,374 INFO L933 BasicCegarLoop]: 4310 mSDtfsCounter, 4761 mSDsluCounter, 4640 mSDsCounter, 0 mSdLazyCounter, 2479 mSolverCounterSat, 2138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5470 SdHoareTripleChecker+Valid, 8950 SdHoareTripleChecker+Invalid, 4617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2138 IncrementalHoareTripleChecker+Valid, 2479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:28:57,374 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5470 Valid, 8950 Invalid, 4617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2138 Valid, 2479 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2021-12-07 01:28:57,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28030 states. [2021-12-07 01:28:58,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28030 to 26845. [2021-12-07 01:28:58,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26845 states, 18352 states have (on average 1.25147122929381) internal successors, (22967), 18667 states have internal predecessors, (22967), 7034 states have call successors, (7034), 1468 states have call predecessors, (7034), 1455 states have return successors, (7149), 6899 states have call predecessors, (7149), 7030 states have call successors, (7149) [2021-12-07 01:28:58,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26845 states to 26845 states and 37150 transitions. [2021-12-07 01:28:58,328 INFO L78 Accepts]: Start accepts. Automaton has 26845 states and 37150 transitions. Word has length 204 [2021-12-07 01:28:58,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:28:58,329 INFO L470 AbstractCegarLoop]: Abstraction has 26845 states and 37150 transitions. [2021-12-07 01:28:58,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-07 01:28:58,330 INFO L276 IsEmpty]: Start isEmpty. Operand 26845 states and 37150 transitions. [2021-12-07 01:28:58,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-12-07 01:28:58,337 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:28:58,337 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:28:58,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 01:28:58,337 INFO L402 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-07 01:28:58,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:28:58,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1097800989, now seen corresponding path program 1 times [2021-12-07 01:28:58,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:28:58,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521157186] [2021-12-07 01:28:58,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:28:58,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:28:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:28:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:28:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:28:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:28:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:58,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:28:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:28:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:28:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:28:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:28:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:28:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:28:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:28:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:28:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:28:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 01:28:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 01:28:58,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-07 01:28:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:58,671 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2021-12-07 01:28:58,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:28:58,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521157186] [2021-12-07 01:28:58,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521157186] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:28:58,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:28:58,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:28:58,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086314901] [2021-12-07 01:28:58,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:28:58,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 01:28:58,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:28:58,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 01:28:58,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 01:28:58,673 INFO L87 Difference]: Start difference. First operand 26845 states and 37150 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-07 01:29:03,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:29:03,761 INFO L93 Difference]: Finished difference Result 72629 states and 100398 transitions. [2021-12-07 01:29:03,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 01:29:03,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 209 [2021-12-07 01:29:03,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:29:03,940 INFO L225 Difference]: With dead ends: 72629 [2021-12-07 01:29:03,940 INFO L226 Difference]: Without dead ends: 45817 [2021-12-07 01:29:04,019 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:29:04,020 INFO L933 BasicCegarLoop]: 4049 mSDtfsCounter, 3596 mSDsluCounter, 4496 mSDsCounter, 0 mSdLazyCounter, 2337 mSolverCounterSat, 1843 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4123 SdHoareTripleChecker+Valid, 8545 SdHoareTripleChecker+Invalid, 4180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1843 IncrementalHoareTripleChecker+Valid, 2337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:29:04,020 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4123 Valid, 8545 Invalid, 4180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1843 Valid, 2337 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-07 01:29:04,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45817 states. [2021-12-07 01:29:05,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45817 to 44033. [2021-12-07 01:29:05,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44033 states, 29946 states have (on average 1.2467107460094837) internal successors, (37334), 30507 states have internal predecessors, (37334), 11517 states have call successors, (11517), 2594 states have call predecessors, (11517), 2566 states have return successors, (11743), 11240 states have call predecessors, (11743), 11513 states have call successors, (11743) [2021-12-07 01:29:05,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44033 states to 44033 states and 60594 transitions. [2021-12-07 01:29:05,430 INFO L78 Accepts]: Start accepts. Automaton has 44033 states and 60594 transitions. Word has length 209 [2021-12-07 01:29:05,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:29:05,430 INFO L470 AbstractCegarLoop]: Abstraction has 44033 states and 60594 transitions. [2021-12-07 01:29:05,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-07 01:29:05,430 INFO L276 IsEmpty]: Start isEmpty. Operand 44033 states and 60594 transitions. [2021-12-07 01:29:05,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-12-07 01:29:05,435 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:29:05,435 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 4, 4, 4, 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] [2021-12-07 01:29:05,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 01:29:05,435 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-07 01:29:05,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:29:05,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1609837398, now seen corresponding path program 1 times [2021-12-07 01:29:05,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:29:05,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231307935] [2021-12-07 01:29:05,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:29:05,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:29:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:29:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:29:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:29:05,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:29:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:29:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:29:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:29:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:05,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:29:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:29:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:29:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:29:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:29:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:29:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:29:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 01:29:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-07 01:29:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-07 01:29:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 01:29:05,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-07 01:29:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-07 01:29:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 01:29:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 01:29:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:05,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2021-12-07 01:29:05,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:29:05,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231307935] [2021-12-07 01:29:05,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231307935] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:29:05,809 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:29:05,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:29:05,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946539324] [2021-12-07 01:29:05,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:29:05,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 01:29:05,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:29:05,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 01:29:05,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 01:29:05,811 INFO L87 Difference]: Start difference. First operand 44033 states and 60594 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-07 01:29:13,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:29:13,139 INFO L93 Difference]: Finished difference Result 116976 states and 161390 transitions. [2021-12-07 01:29:13,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 01:29:13,140 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 238 [2021-12-07 01:29:13,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:29:13,458 INFO L225 Difference]: With dead ends: 116976 [2021-12-07 01:29:13,458 INFO L226 Difference]: Without dead ends: 81551 [2021-12-07 01:29:13,549 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:29:13,550 INFO L933 BasicCegarLoop]: 7208 mSDtfsCounter, 3856 mSDsluCounter, 6071 mSDsCounter, 0 mSdLazyCounter, 2552 mSolverCounterSat, 1349 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4552 SdHoareTripleChecker+Valid, 13279 SdHoareTripleChecker+Invalid, 3901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1349 IncrementalHoareTripleChecker+Valid, 2552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2021-12-07 01:29:13,550 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4552 Valid, 13279 Invalid, 3901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1349 Valid, 2552 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2021-12-07 01:29:13,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81551 states. [2021-12-07 01:29:15,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81551 to 78419. [2021-12-07 01:29:15,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78419 states, 53372 states have (on average 1.2469459641759724) internal successors, (66552), 54331 states have internal predecessors, (66552), 20467 states have call successors, (20467), 4630 states have call predecessors, (20467), 4576 states have return successors, (20889), 20006 states have call predecessors, (20889), 20463 states have call successors, (20889) [2021-12-07 01:29:16,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78419 states to 78419 states and 107908 transitions. [2021-12-07 01:29:16,139 INFO L78 Accepts]: Start accepts. Automaton has 78419 states and 107908 transitions. Word has length 238 [2021-12-07 01:29:16,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:29:16,140 INFO L470 AbstractCegarLoop]: Abstraction has 78419 states and 107908 transitions. [2021-12-07 01:29:16,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-07 01:29:16,140 INFO L276 IsEmpty]: Start isEmpty. Operand 78419 states and 107908 transitions. [2021-12-07 01:29:16,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-12-07 01:29:16,143 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:29:16,144 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 4, 4, 4, 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] [2021-12-07 01:29:16,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-07 01:29:16,144 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-07 01:29:16,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:29:16,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1750386008, now seen corresponding path program 1 times [2021-12-07 01:29:16,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:29:16,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811915466] [2021-12-07 01:29:16,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:29:16,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:29:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:29:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:29:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:29:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:29:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:29:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:29:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:29:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:29:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:29:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:29:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:29:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:29:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:29:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:29:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 01:29:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-07 01:29:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-07 01:29:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 01:29:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-07 01:29:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-07 01:29:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 01:29:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 01:29:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:16,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1039 trivial. 0 not checked. [2021-12-07 01:29:16,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:29:16,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811915466] [2021-12-07 01:29:16,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811915466] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:29:16,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:29:16,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:29:16,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270013439] [2021-12-07 01:29:16,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:29:16,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:29:16,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:29:16,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:29:16,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:29:16,588 INFO L87 Difference]: Start difference. First operand 78419 states and 107908 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-07 01:29:22,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:29:22,452 INFO L93 Difference]: Finished difference Result 81551 states and 112564 transitions. [2021-12-07 01:29:22,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:29:22,453 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 238 [2021-12-07 01:29:22,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:29:22,693 INFO L225 Difference]: With dead ends: 81551 [2021-12-07 01:29:22,693 INFO L226 Difference]: Without dead ends: 81549 [2021-12-07 01:29:22,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:29:22,722 INFO L933 BasicCegarLoop]: 3675 mSDtfsCounter, 3931 mSDsluCounter, 7557 mSDsCounter, 0 mSdLazyCounter, 2665 mSolverCounterSat, 1392 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4438 SdHoareTripleChecker+Valid, 11232 SdHoareTripleChecker+Invalid, 4057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1392 IncrementalHoareTripleChecker+Valid, 2665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:29:22,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4438 Valid, 11232 Invalid, 4057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1392 Valid, 2665 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-07 01:29:22,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81549 states. [2021-12-07 01:29:24,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81549 to 78423. [2021-12-07 01:29:24,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78423 states, 53375 states have (on average 1.2469320843091334) internal successors, (66555), 54334 states have internal predecessors, (66555), 20467 states have call successors, (20467), 4631 states have call predecessors, (20467), 4577 states have return successors, (20889), 20006 states have call predecessors, (20889), 20463 states have call successors, (20889) [2021-12-07 01:29:25,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78423 states to 78423 states and 107911 transitions. [2021-12-07 01:29:25,125 INFO L78 Accepts]: Start accepts. Automaton has 78423 states and 107911 transitions. Word has length 238 [2021-12-07 01:29:25,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:29:25,126 INFO L470 AbstractCegarLoop]: Abstraction has 78423 states and 107911 transitions. [2021-12-07 01:29:25,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-07 01:29:25,126 INFO L276 IsEmpty]: Start isEmpty. Operand 78423 states and 107911 transitions. [2021-12-07 01:29:25,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-12-07 01:29:25,131 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:29:25,131 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 4, 4, 4, 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] [2021-12-07 01:29:25,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-07 01:29:25,131 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-07 01:29:25,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:29:25,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1646136858, now seen corresponding path program 1 times [2021-12-07 01:29:25,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:29:25,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415316677] [2021-12-07 01:29:25,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:29:25,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:29:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:29:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:29:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:29:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:29:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:29:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:29:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:29:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:29:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:29:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:29:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:29:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:29:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:29:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:29:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 01:29:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-07 01:29:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-07 01:29:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 01:29:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-07 01:29:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-07 01:29:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 01:29:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 01:29:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 01:29:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:25,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1039 trivial. 0 not checked. [2021-12-07 01:29:25,544 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:29:25,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415316677] [2021-12-07 01:29:25,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415316677] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:29:25,544 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:29:25,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:29:25,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372718036] [2021-12-07 01:29:25,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:29:25,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:29:25,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:29:25,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:29:25,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:29:25,545 INFO L87 Difference]: Start difference. First operand 78423 states and 107911 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-07 01:29:31,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:29:31,081 INFO L93 Difference]: Finished difference Result 81555 states and 112567 transitions. [2021-12-07 01:29:31,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:29:31,083 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 243 [2021-12-07 01:29:31,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:29:31,386 INFO L225 Difference]: With dead ends: 81555 [2021-12-07 01:29:31,386 INFO L226 Difference]: Without dead ends: 81553 [2021-12-07 01:29:31,423 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:29:31,424 INFO L933 BasicCegarLoop]: 3678 mSDtfsCounter, 3923 mSDsluCounter, 7557 mSDsCounter, 0 mSdLazyCounter, 2665 mSolverCounterSat, 1391 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4430 SdHoareTripleChecker+Valid, 11235 SdHoareTripleChecker+Invalid, 4056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1391 IncrementalHoareTripleChecker+Valid, 2665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-07 01:29:31,424 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4430 Valid, 11235 Invalid, 4056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1391 Valid, 2665 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-07 01:29:31,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81553 states. [2021-12-07 01:29:33,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81553 to 78427. [2021-12-07 01:29:33,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78427 states, 53378 states have (on average 1.2469182060024728) internal successors, (66558), 54337 states have internal predecessors, (66558), 20467 states have call successors, (20467), 4632 states have call predecessors, (20467), 4578 states have return successors, (20889), 20006 states have call predecessors, (20889), 20463 states have call successors, (20889) [2021-12-07 01:29:34,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78427 states to 78427 states and 107914 transitions. [2021-12-07 01:29:34,067 INFO L78 Accepts]: Start accepts. Automaton has 78427 states and 107914 transitions. Word has length 243 [2021-12-07 01:29:34,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:29:34,068 INFO L470 AbstractCegarLoop]: Abstraction has 78427 states and 107914 transitions. [2021-12-07 01:29:34,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-07 01:29:34,068 INFO L276 IsEmpty]: Start isEmpty. Operand 78427 states and 107914 transitions. [2021-12-07 01:29:34,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-12-07 01:29:34,073 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:29:34,073 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 4, 4, 4, 3, 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] [2021-12-07 01:29:34,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-07 01:29:34,073 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-07 01:29:34,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:29:34,074 INFO L85 PathProgramCache]: Analyzing trace with hash -534936104, now seen corresponding path program 1 times [2021-12-07 01:29:34,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:29:34,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185869037] [2021-12-07 01:29:34,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:29:34,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:29:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:29:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:29:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:29:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:29:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:29:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:29:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:29:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:29:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:29:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:29:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:29:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:29:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:29:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:29:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 01:29:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-07 01:29:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-07 01:29:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 01:29:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-07 01:29:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:34,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-07 01:29:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 01:29:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 01:29:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 01:29:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-07 01:29:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:34,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1047 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1043 trivial. 0 not checked. [2021-12-07 01:29:34,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:29:34,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185869037] [2021-12-07 01:29:34,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185869037] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:29:34,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:29:34,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:29:34,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163890939] [2021-12-07 01:29:34,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:29:34,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:29:34,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:29:34,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:29:34,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:29:34,474 INFO L87 Difference]: Start difference. First operand 78427 states and 107914 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-07 01:29:40,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:29:40,390 INFO L93 Difference]: Finished difference Result 81559 states and 112570 transitions. [2021-12-07 01:29:40,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:29:40,391 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 248 [2021-12-07 01:29:40,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:29:40,660 INFO L225 Difference]: With dead ends: 81559 [2021-12-07 01:29:40,660 INFO L226 Difference]: Without dead ends: 81557 [2021-12-07 01:29:40,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:29:40,702 INFO L933 BasicCegarLoop]: 3678 mSDtfsCounter, 3923 mSDsluCounter, 7557 mSDsCounter, 0 mSdLazyCounter, 2665 mSolverCounterSat, 1390 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4430 SdHoareTripleChecker+Valid, 11235 SdHoareTripleChecker+Invalid, 4055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1390 IncrementalHoareTripleChecker+Valid, 2665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:29:40,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4430 Valid, 11235 Invalid, 4055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1390 Valid, 2665 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-07 01:29:40,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81557 states. [2021-12-07 01:29:43,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81557 to 78431. [2021-12-07 01:29:43,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78431 states, 53381 states have (on average 1.2469043292557276) internal successors, (66561), 54340 states have internal predecessors, (66561), 20467 states have call successors, (20467), 4633 states have call predecessors, (20467), 4579 states have return successors, (20889), 20006 states have call predecessors, (20889), 20463 states have call successors, (20889) [2021-12-07 01:29:43,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78431 states to 78431 states and 107917 transitions. [2021-12-07 01:29:43,404 INFO L78 Accepts]: Start accepts. Automaton has 78431 states and 107917 transitions. Word has length 248 [2021-12-07 01:29:43,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:29:43,405 INFO L470 AbstractCegarLoop]: Abstraction has 78431 states and 107917 transitions. [2021-12-07 01:29:43,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-07 01:29:43,405 INFO L276 IsEmpty]: Start isEmpty. Operand 78431 states and 107917 transitions. [2021-12-07 01:29:43,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-12-07 01:29:43,410 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:29:43,410 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 5, 5, 5, 4, 3, 3, 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] [2021-12-07 01:29:43,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-07 01:29:43,410 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-07 01:29:43,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:29:43,411 INFO L85 PathProgramCache]: Analyzing trace with hash -168516069, now seen corresponding path program 1 times [2021-12-07 01:29:43,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:29:43,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135635773] [2021-12-07 01:29:43,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:29:43,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:29:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:29:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:29:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:29:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:29:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:29:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:29:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:29:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:29:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:29:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:29:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:29:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:29:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:29:43,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:29:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 01:29:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-07 01:29:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-07 01:29:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 01:29:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-07 01:29:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-07 01:29:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 01:29:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-07 01:29:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-07 01:29:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:29:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-07 01:29:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-07 01:29:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:43,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-07 01:29:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:44,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1069 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1057 trivial. 0 not checked. [2021-12-07 01:29:44,006 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:29:44,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135635773] [2021-12-07 01:29:44,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135635773] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:29:44,006 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:29:44,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:29:44,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904393245] [2021-12-07 01:29:44,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:29:44,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:29:44,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:29:44,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:29:44,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:29:44,007 INFO L87 Difference]: Start difference. First operand 78431 states and 107917 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-07 01:29:46,666 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:29:48,853 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:29:52,562 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:30:05,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:30:05,003 INFO L93 Difference]: Finished difference Result 187206 states and 258167 transitions. [2021-12-07 01:30:05,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 01:30:05,004 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 265 [2021-12-07 01:30:05,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:30:05,422 INFO L225 Difference]: With dead ends: 187206 [2021-12-07 01:30:05,422 INFO L226 Difference]: Without dead ends: 117383 [2021-12-07 01:30:05,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:30:05,702 INFO L933 BasicCegarLoop]: 6764 mSDtfsCounter, 5036 mSDsluCounter, 5864 mSDsCounter, 0 mSdLazyCounter, 5862 mSolverCounterSat, 3516 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5589 SdHoareTripleChecker+Valid, 12628 SdHoareTripleChecker+Invalid, 9381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3516 IncrementalHoareTripleChecker+Valid, 5862 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:30:05,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5589 Valid, 12628 Invalid, 9381 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3516 Valid, 5862 Invalid, 3 Unknown, 0 Unchecked, 17.1s Time] [2021-12-07 01:30:05,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117383 states. [2021-12-07 01:30:09,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117383 to 112833. [2021-12-07 01:30:09,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112833 states, 76823 states have (on average 1.2469572914361584) internal successors, (95795), 78180 states have internal predecessors, (95795), 29417 states have call successors, (29417), 6669 states have call predecessors, (29417), 6589 states have return successors, (30035), 28772 states have call predecessors, (30035), 29413 states have call successors, (30035) [2021-12-07 01:30:10,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112833 states to 112833 states and 155247 transitions. [2021-12-07 01:30:10,220 INFO L78 Accepts]: Start accepts. Automaton has 112833 states and 155247 transitions. Word has length 265 [2021-12-07 01:30:10,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:30:10,221 INFO L470 AbstractCegarLoop]: Abstraction has 112833 states and 155247 transitions. [2021-12-07 01:30:10,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-07 01:30:10,221 INFO L276 IsEmpty]: Start isEmpty. Operand 112833 states and 155247 transitions. [2021-12-07 01:30:10,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-07 01:30:10,225 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:30:10,226 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 4, 4, 4, 4, 3, 3, 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] [2021-12-07 01:30:10,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-07 01:30:10,226 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-07 01:30:10,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:30:10,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1077391590, now seen corresponding path program 1 times [2021-12-07 01:30:10,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:30:10,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454349719] [2021-12-07 01:30:10,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:30:10,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:30:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:30:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:30:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:30:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:30:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:30:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:30:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:30:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:30:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:30:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:10,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:30:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:30:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:30:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:30:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:30:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 01:30:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-07 01:30:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-07 01:30:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 01:30:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-07 01:30:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-07 01:30:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 01:30:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 01:30:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 01:30:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-07 01:30:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-07 01:30:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:10,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1051 trivial. 0 not checked. [2021-12-07 01:30:10,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:30:10,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454349719] [2021-12-07 01:30:10,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454349719] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:30:10,608 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:30:10,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:30:10,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110871810] [2021-12-07 01:30:10,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:30:10,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:30:10,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:30:10,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:30:10,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:30:10,609 INFO L87 Difference]: Start difference. First operand 112833 states and 155247 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-07 01:30:17,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:30:17,803 INFO L93 Difference]: Finished difference Result 117349 states and 161957 transitions. [2021-12-07 01:30:17,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:30:17,804 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 253 [2021-12-07 01:30:17,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:30:18,193 INFO L225 Difference]: With dead ends: 117349 [2021-12-07 01:30:18,194 INFO L226 Difference]: Without dead ends: 117347 [2021-12-07 01:30:18,239 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:30:18,240 INFO L933 BasicCegarLoop]: 3678 mSDtfsCounter, 3923 mSDsluCounter, 7557 mSDsCounter, 0 mSdLazyCounter, 2665 mSolverCounterSat, 1389 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4430 SdHoareTripleChecker+Valid, 11235 SdHoareTripleChecker+Invalid, 4054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1389 IncrementalHoareTripleChecker+Valid, 2665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:30:18,240 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4430 Valid, 11235 Invalid, 4054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1389 Valid, 2665 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-07 01:30:18,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117347 states. [2021-12-07 01:30:22,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117347 to 112837. [2021-12-07 01:30:22,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112837 states, 76826 states have (on average 1.2469476479316899) internal successors, (95798), 78183 states have internal predecessors, (95798), 29417 states have call successors, (29417), 6670 states have call predecessors, (29417), 6590 states have return successors, (30035), 28772 states have call predecessors, (30035), 29413 states have call successors, (30035) [2021-12-07 01:30:22,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112837 states to 112837 states and 155250 transitions. [2021-12-07 01:30:22,896 INFO L78 Accepts]: Start accepts. Automaton has 112837 states and 155250 transitions. Word has length 253 [2021-12-07 01:30:22,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:30:22,896 INFO L470 AbstractCegarLoop]: Abstraction has 112837 states and 155250 transitions. [2021-12-07 01:30:22,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-07 01:30:22,897 INFO L276 IsEmpty]: Start isEmpty. Operand 112837 states and 155250 transitions. [2021-12-07 01:30:22,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-12-07 01:30:22,902 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:30:22,902 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 5, 4, 4, 4, 4, 4, 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] [2021-12-07 01:30:22,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-07 01:30:22,903 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-07 01:30:22,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:30:22,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1489065560, now seen corresponding path program 1 times [2021-12-07 01:30:22,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:30:22,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925257925] [2021-12-07 01:30:22,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:30:22,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:30:22,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:30:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:30:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:30:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:30:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:30:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:30:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:30:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:30:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:30:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:30:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:23,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:30:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:30:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:30:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:23,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:30:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 01:30:23,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-07 01:30:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-07 01:30:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 01:30:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-07 01:30:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-07 01:30:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 01:30:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 01:30:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 01:30:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-07 01:30:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-07 01:30:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-07 01:30:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:23,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1063 trivial. 0 not checked. [2021-12-07 01:30:23,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:30:23,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925257925] [2021-12-07 01:30:23,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925257925] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:30:23,359 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:30:23,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:30:23,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194928787] [2021-12-07 01:30:23,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:30:23,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:30:23,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:30:23,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:30:23,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:30:23,360 INFO L87 Difference]: Start difference. First operand 112837 states and 155250 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-07 01:30:31,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:30:31,244 INFO L93 Difference]: Finished difference Result 117353 states and 161960 transitions. [2021-12-07 01:30:31,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:30:31,245 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 258 [2021-12-07 01:30:31,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:30:31,643 INFO L225 Difference]: With dead ends: 117353 [2021-12-07 01:30:31,643 INFO L226 Difference]: Without dead ends: 117351 [2021-12-07 01:30:31,690 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:30:31,691 INFO L933 BasicCegarLoop]: 3678 mSDtfsCounter, 3923 mSDsluCounter, 7557 mSDsCounter, 0 mSdLazyCounter, 2665 mSolverCounterSat, 1388 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4430 SdHoareTripleChecker+Valid, 11235 SdHoareTripleChecker+Invalid, 4053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1388 IncrementalHoareTripleChecker+Valid, 2665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:30:31,691 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4430 Valid, 11235 Invalid, 4053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1388 Valid, 2665 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-07 01:30:31,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117351 states. [2021-12-07 01:30:36,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117351 to 112841. [2021-12-07 01:30:36,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112841 states, 76829 states have (on average 1.2469380051803356) internal successors, (95801), 78186 states have internal predecessors, (95801), 29417 states have call successors, (29417), 6671 states have call predecessors, (29417), 6591 states have return successors, (30035), 28772 states have call predecessors, (30035), 29413 states have call successors, (30035) [2021-12-07 01:30:36,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112841 states to 112841 states and 155253 transitions. [2021-12-07 01:30:36,564 INFO L78 Accepts]: Start accepts. Automaton has 112841 states and 155253 transitions. Word has length 258 [2021-12-07 01:30:36,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:30:36,565 INFO L470 AbstractCegarLoop]: Abstraction has 112841 states and 155253 transitions. [2021-12-07 01:30:36,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-07 01:30:36,565 INFO L276 IsEmpty]: Start isEmpty. Operand 112841 states and 155253 transitions. [2021-12-07 01:30:36,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-12-07 01:30:36,574 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:30:36,574 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 6, 5, 5, 4, 4, 4, 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] [2021-12-07 01:30:36,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-07 01:30:36,575 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-07 01:30:36,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:30:36,575 INFO L85 PathProgramCache]: Analyzing trace with hash -2145624090, now seen corresponding path program 1 times [2021-12-07 01:30:36,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:30:36,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325057056] [2021-12-07 01:30:36,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:30:36,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:30:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:30:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:30:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:30:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:30:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:30:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:30:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:30:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:30:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:30:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:30:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:30:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:30:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:30:36,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:30:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 01:30:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-07 01:30:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-07 01:30:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 01:30:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-07 01:30:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-07 01:30:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 01:30:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 01:30:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 01:30:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-07 01:30:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-07 01:30:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-07 01:30:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-07 01:30:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:36,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1079 trivial. 0 not checked. [2021-12-07 01:30:36,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:30:36,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325057056] [2021-12-07 01:30:36,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325057056] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:30:36,907 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:30:36,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:30:36,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856001747] [2021-12-07 01:30:36,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:30:36,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:30:36,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:30:36,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:30:36,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:30:36,908 INFO L87 Difference]: Start difference. First operand 112841 states and 155253 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-07 01:30:44,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:30:44,656 INFO L93 Difference]: Finished difference Result 117357 states and 161963 transitions. [2021-12-07 01:30:44,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:30:44,658 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 263 [2021-12-07 01:30:44,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:30:45,054 INFO L225 Difference]: With dead ends: 117357 [2021-12-07 01:30:45,054 INFO L226 Difference]: Without dead ends: 117355 [2021-12-07 01:30:45,146 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:30:45,146 INFO L933 BasicCegarLoop]: 3678 mSDtfsCounter, 3923 mSDsluCounter, 7557 mSDsCounter, 0 mSdLazyCounter, 2665 mSolverCounterSat, 1387 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4430 SdHoareTripleChecker+Valid, 11235 SdHoareTripleChecker+Invalid, 4052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1387 IncrementalHoareTripleChecker+Valid, 2665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:30:45,147 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4430 Valid, 11235 Invalid, 4052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1387 Valid, 2665 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-12-07 01:30:45,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117355 states. [2021-12-07 01:30:50,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117355 to 112845. [2021-12-07 01:30:50,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112845 states, 76832 states have (on average 1.2469283631820074) internal successors, (95804), 78189 states have internal predecessors, (95804), 29417 states have call successors, (29417), 6672 states have call predecessors, (29417), 6592 states have return successors, (30035), 28772 states have call predecessors, (30035), 29413 states have call successors, (30035) [2021-12-07 01:30:50,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112845 states to 112845 states and 155256 transitions. [2021-12-07 01:30:50,581 INFO L78 Accepts]: Start accepts. Automaton has 112845 states and 155256 transitions. Word has length 263 [2021-12-07 01:30:50,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:30:50,582 INFO L470 AbstractCegarLoop]: Abstraction has 112845 states and 155256 transitions. [2021-12-07 01:30:50,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-07 01:30:50,582 INFO L276 IsEmpty]: Start isEmpty. Operand 112845 states and 155256 transitions. [2021-12-07 01:30:50,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-12-07 01:30:50,589 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:30:50,589 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 7, 6, 6, 4, 4, 4, 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] [2021-12-07 01:30:50,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-07 01:30:50,590 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-07 01:30:50,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:30:50,590 INFO L85 PathProgramCache]: Analyzing trace with hash 128726744, now seen corresponding path program 1 times [2021-12-07 01:30:50,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:30:50,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335971044] [2021-12-07 01:30:50,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:30:50,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:30:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:30:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:30:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:30:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:30:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:30:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:30:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:30:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:30:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:30:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:30:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:30:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:30:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:30:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:30:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 01:30:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-07 01:30:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-07 01:30:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 01:30:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-07 01:30:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-07 01:30:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 01:30:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 01:30:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 01:30:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-07 01:30:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-07 01:30:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-07 01:30:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-07 01:30:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-07 01:30:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:50,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1111 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1099 trivial. 0 not checked. [2021-12-07 01:30:50,931 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:30:50,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335971044] [2021-12-07 01:30:50,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335971044] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:30:50,931 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:30:50,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:30:50,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589552400] [2021-12-07 01:30:50,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:30:50,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:30:50,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:30:50,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:30:50,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:30:50,932 INFO L87 Difference]: Start difference. First operand 112845 states and 155256 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-07 01:30:59,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:30:59,315 INFO L93 Difference]: Finished difference Result 117361 states and 161966 transitions. [2021-12-07 01:30:59,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:30:59,317 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 268 [2021-12-07 01:30:59,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:30:59,713 INFO L225 Difference]: With dead ends: 117361 [2021-12-07 01:30:59,713 INFO L226 Difference]: Without dead ends: 117359 [2021-12-07 01:30:59,765 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:30:59,765 INFO L933 BasicCegarLoop]: 3678 mSDtfsCounter, 3923 mSDsluCounter, 7557 mSDsCounter, 0 mSdLazyCounter, 2665 mSolverCounterSat, 1386 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4430 SdHoareTripleChecker+Valid, 11235 SdHoareTripleChecker+Invalid, 4051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1386 IncrementalHoareTripleChecker+Valid, 2665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:30:59,766 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4430 Valid, 11235 Invalid, 4051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1386 Valid, 2665 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-12-07 01:30:59,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117359 states. [2021-12-07 01:31:04,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117359 to 112849. [2021-12-07 01:31:04,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112849 states, 76835 states have (on average 1.2469187219366173) internal successors, (95807), 78192 states have internal predecessors, (95807), 29417 states have call successors, (29417), 6673 states have call predecessors, (29417), 6593 states have return successors, (30035), 28772 states have call predecessors, (30035), 29413 states have call successors, (30035) [2021-12-07 01:31:04,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112849 states to 112849 states and 155259 transitions. [2021-12-07 01:31:04,923 INFO L78 Accepts]: Start accepts. Automaton has 112849 states and 155259 transitions. Word has length 268 [2021-12-07 01:31:04,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:31:04,923 INFO L470 AbstractCegarLoop]: Abstraction has 112849 states and 155259 transitions. [2021-12-07 01:31:04,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-07 01:31:04,924 INFO L276 IsEmpty]: Start isEmpty. Operand 112849 states and 155259 transitions. [2021-12-07 01:31:04,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-12-07 01:31:04,931 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:31:04,932 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 8, 7, 7, 4, 4, 4, 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] [2021-12-07 01:31:04,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-07 01:31:04,932 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-07 01:31:04,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:31:04,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1415315738, now seen corresponding path program 1 times [2021-12-07 01:31:04,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:31:04,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504423058] [2021-12-07 01:31:04,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:31:04,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:31:04,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:31:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:31:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:31:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:31:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:31:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:31:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:31:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:31:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:31:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:31:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:31:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:31:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:31:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:31:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 01:31:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-07 01:31:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-07 01:31:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 01:31:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-07 01:31:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-07 01:31:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 01:31:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 01:31:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 01:31:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-07 01:31:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-07 01:31:05,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-07 01:31:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-07 01:31:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-07 01:31:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-07 01:31:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:05,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1137 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1123 trivial. 0 not checked. [2021-12-07 01:31:05,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:31:05,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504423058] [2021-12-07 01:31:05,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504423058] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:31:05,406 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:31:05,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:31:05,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63314615] [2021-12-07 01:31:05,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:31:05,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:31:05,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:31:05,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:31:05,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:31:05,408 INFO L87 Difference]: Start difference. First operand 112849 states and 155259 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-07 01:31:14,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:31:14,147 INFO L93 Difference]: Finished difference Result 117365 states and 161969 transitions. [2021-12-07 01:31:14,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:31:14,149 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 273 [2021-12-07 01:31:14,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:31:14,529 INFO L225 Difference]: With dead ends: 117365 [2021-12-07 01:31:14,529 INFO L226 Difference]: Without dead ends: 117363 [2021-12-07 01:31:14,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:31:14,572 INFO L933 BasicCegarLoop]: 3678 mSDtfsCounter, 3923 mSDsluCounter, 7557 mSDsCounter, 0 mSdLazyCounter, 2665 mSolverCounterSat, 1385 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4430 SdHoareTripleChecker+Valid, 11235 SdHoareTripleChecker+Invalid, 4050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1385 IncrementalHoareTripleChecker+Valid, 2665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-12-07 01:31:14,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4430 Valid, 11235 Invalid, 4050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1385 Valid, 2665 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-12-07 01:31:14,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117363 states. [2021-12-07 01:31:19,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117363 to 112853. [2021-12-07 01:31:19,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112853 states, 76838 states have (on average 1.246909081444077) internal successors, (95810), 78195 states have internal predecessors, (95810), 29417 states have call successors, (29417), 6674 states have call predecessors, (29417), 6594 states have return successors, (30035), 28772 states have call predecessors, (30035), 29413 states have call successors, (30035) [2021-12-07 01:31:19,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112853 states to 112853 states and 155262 transitions. [2021-12-07 01:31:19,910 INFO L78 Accepts]: Start accepts. Automaton has 112853 states and 155262 transitions. Word has length 273 [2021-12-07 01:31:19,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:31:19,910 INFO L470 AbstractCegarLoop]: Abstraction has 112853 states and 155262 transitions. [2021-12-07 01:31:19,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-07 01:31:19,910 INFO L276 IsEmpty]: Start isEmpty. Operand 112853 states and 155262 transitions. [2021-12-07 01:31:19,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-12-07 01:31:19,919 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:31:19,919 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 9, 8, 8, 4, 4, 4, 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] [2021-12-07 01:31:19,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-07 01:31:19,919 INFO L402 AbstractCegarLoop]: === Iteration 16 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-07 01:31:19,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:31:19,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1263150936, now seen corresponding path program 1 times [2021-12-07 01:31:19,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:31:19,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244859498] [2021-12-07 01:31:19,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:31:19,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:31:19,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:31:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:31:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:20,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:31:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:31:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:31:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:31:20,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:31:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:31:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:31:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:31:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:31:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:31:20,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:31:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:31:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 01:31:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-07 01:31:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-07 01:31:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 01:31:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-07 01:31:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-07 01:31:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 01:31:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 01:31:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 01:31:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-07 01:31:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-07 01:31:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-07 01:31:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-07 01:31:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-07 01:31:20,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-07 01:31:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 01:31:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:20,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1151 trivial. 0 not checked. [2021-12-07 01:31:20,244 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:31:20,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244859498] [2021-12-07 01:31:20,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244859498] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:31:20,245 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:31:20,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:31:20,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89539144] [2021-12-07 01:31:20,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:31:20,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:31:20,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:31:20,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:31:20,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:31:20,246 INFO L87 Difference]: Start difference. First operand 112853 states and 155262 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-07 01:31:29,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:31:29,049 INFO L93 Difference]: Finished difference Result 119350 states and 164251 transitions. [2021-12-07 01:31:29,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 01:31:29,051 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 278 [2021-12-07 01:31:29,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:31:29,425 INFO L225 Difference]: With dead ends: 119350 [2021-12-07 01:31:29,425 INFO L226 Difference]: Without dead ends: 119348 [2021-12-07 01:31:29,466 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:31:29,467 INFO L933 BasicCegarLoop]: 3684 mSDtfsCounter, 3914 mSDsluCounter, 7626 mSDsCounter, 0 mSdLazyCounter, 2773 mSolverCounterSat, 1389 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4415 SdHoareTripleChecker+Valid, 11310 SdHoareTripleChecker+Invalid, 4162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1389 IncrementalHoareTripleChecker+Valid, 2773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:31:29,467 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4415 Valid, 11310 Invalid, 4162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1389 Valid, 2773 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-07 01:31:29,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119348 states. [2021-12-07 01:31:34,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119348 to 114836. [2021-12-07 01:31:34,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114836 states, 78184 states have (on average 1.2468663665200042) internal successors, (97485), 79541 states have internal predecessors, (97485), 29720 states have call successors, (29720), 7008 states have call predecessors, (29720), 6928 states have return successors, (30338), 29075 states have call predecessors, (30338), 29716 states have call successors, (30338) [2021-12-07 01:31:35,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114836 states to 114836 states and 157543 transitions. [2021-12-07 01:31:35,179 INFO L78 Accepts]: Start accepts. Automaton has 114836 states and 157543 transitions. Word has length 278 [2021-12-07 01:31:35,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:31:35,179 INFO L470 AbstractCegarLoop]: Abstraction has 114836 states and 157543 transitions. [2021-12-07 01:31:35,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-07 01:31:35,180 INFO L276 IsEmpty]: Start isEmpty. Operand 114836 states and 157543 transitions. [2021-12-07 01:31:35,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-12-07 01:31:35,188 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:31:35,189 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 10, 9, 9, 4, 4, 4, 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] [2021-12-07 01:31:35,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-07 01:31:35,189 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-07 01:31:35,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:31:35,189 INFO L85 PathProgramCache]: Analyzing trace with hash -2015195674, now seen corresponding path program 1 times [2021-12-07 01:31:35,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:31:35,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48130494] [2021-12-07 01:31:35,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:31:35,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:31:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:31:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:31:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:31:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:31:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:31:35,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:31:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:31:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:31:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:31:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:31:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:31:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:35,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:31:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:31:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:31:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 01:31:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-07 01:31:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-07 01:31:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 01:31:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-07 01:31:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:35,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-07 01:31:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 01:31:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 01:31:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 01:31:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-07 01:31:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-07 01:31:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-07 01:31:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-07 01:31:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-07 01:31:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-07 01:31:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 01:31:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-07 01:31:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1183 trivial. 0 not checked. [2021-12-07 01:31:35,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:31:35,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48130494] [2021-12-07 01:31:35,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48130494] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:31:35,511 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:31:35,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:31:35,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199019054] [2021-12-07 01:31:35,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:31:35,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:31:35,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:31:35,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:31:35,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:31:35,512 INFO L87 Difference]: Start difference. First operand 114836 states and 157543 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-07 01:31:44,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:31:44,461 INFO L93 Difference]: Finished difference Result 119352 states and 164253 transitions. [2021-12-07 01:31:44,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:31:44,463 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 283 [2021-12-07 01:31:44,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:31:44,885 INFO L225 Difference]: With dead ends: 119352 [2021-12-07 01:31:44,885 INFO L226 Difference]: Without dead ends: 119350 [2021-12-07 01:31:44,929 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:31:44,929 INFO L933 BasicCegarLoop]: 3679 mSDtfsCounter, 3923 mSDsluCounter, 7559 mSDsCounter, 0 mSdLazyCounter, 2665 mSolverCounterSat, 1381 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4430 SdHoareTripleChecker+Valid, 11238 SdHoareTripleChecker+Invalid, 4046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1381 IncrementalHoareTripleChecker+Valid, 2665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:31:44,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4430 Valid, 11238 Invalid, 4046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1381 Valid, 2665 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-07 01:31:45,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119350 states. [2021-12-07 01:31:50,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119350 to 114840. [2021-12-07 01:31:50,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114840 states, 78187 states have (on average 1.2468568943686291) internal successors, (97488), 79544 states have internal predecessors, (97488), 29720 states have call successors, (29720), 7009 states have call predecessors, (29720), 6929 states have return successors, (30338), 29075 states have call predecessors, (30338), 29716 states have call successors, (30338) [2021-12-07 01:31:51,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114840 states to 114840 states and 157546 transitions. [2021-12-07 01:31:51,007 INFO L78 Accepts]: Start accepts. Automaton has 114840 states and 157546 transitions. Word has length 283 [2021-12-07 01:31:51,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:31:51,007 INFO L470 AbstractCegarLoop]: Abstraction has 114840 states and 157546 transitions. [2021-12-07 01:31:51,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-07 01:31:51,008 INFO L276 IsEmpty]: Start isEmpty. Operand 114840 states and 157546 transitions. [2021-12-07 01:31:51,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-12-07 01:31:51,018 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:31:51,018 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 11, 10, 10, 4, 4, 4, 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] [2021-12-07 01:31:51,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-07 01:31:51,018 INFO L402 AbstractCegarLoop]: === Iteration 18 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-07 01:31:51,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:31:51,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1795631064, now seen corresponding path program 1 times [2021-12-07 01:31:51,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:31:51,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059425531] [2021-12-07 01:31:51,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:31:51,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:31:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:31:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:31:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:31:51,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:31:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:31:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:31:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:31:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:31:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:31:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:31:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:31:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:31:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:31:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:31:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 01:31:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-07 01:31:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-07 01:31:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 01:31:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-07 01:31:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:51,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-07 01:31:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 01:31:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 01:31:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 01:31:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-07 01:31:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-07 01:31:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-07 01:31:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-07 01:31:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-07 01:31:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-07 01:31:51,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 01:31:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-07 01:31:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-07 01:31:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:51,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1239 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1219 trivial. 0 not checked. [2021-12-07 01:31:51,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:31:51,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059425531] [2021-12-07 01:31:51,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059425531] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:31:51,445 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:31:51,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:31:51,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923376606] [2021-12-07 01:31:51,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:31:51,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:31:51,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:31:51,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:31:51,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:31:51,446 INFO L87 Difference]: Start difference. First operand 114840 states and 157546 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-07 01:32:00,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:32:00,604 INFO L93 Difference]: Finished difference Result 119356 states and 164256 transitions. [2021-12-07 01:32:00,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:32:00,606 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 288 [2021-12-07 01:32:00,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:32:01,046 INFO L225 Difference]: With dead ends: 119356 [2021-12-07 01:32:01,046 INFO L226 Difference]: Without dead ends: 119354 [2021-12-07 01:32:01,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:32:01,088 INFO L933 BasicCegarLoop]: 3678 mSDtfsCounter, 3923 mSDsluCounter, 7557 mSDsCounter, 0 mSdLazyCounter, 2665 mSolverCounterSat, 1382 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4430 SdHoareTripleChecker+Valid, 11235 SdHoareTripleChecker+Invalid, 4047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1382 IncrementalHoareTripleChecker+Valid, 2665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:32:01,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4430 Valid, 11235 Invalid, 4047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1382 Valid, 2665 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-12-07 01:32:01,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119354 states. [2021-12-07 01:32:06,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119354 to 114844. [2021-12-07 01:32:06,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114844 states, 78190 states have (on average 1.2468474229441104) internal successors, (97491), 79547 states have internal predecessors, (97491), 29720 states have call successors, (29720), 7010 states have call predecessors, (29720), 6930 states have return successors, (30338), 29075 states have call predecessors, (30338), 29716 states have call successors, (30338) [2021-12-07 01:32:07,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114844 states to 114844 states and 157549 transitions. [2021-12-07 01:32:07,158 INFO L78 Accepts]: Start accepts. Automaton has 114844 states and 157549 transitions. Word has length 288 [2021-12-07 01:32:07,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:32:07,159 INFO L470 AbstractCegarLoop]: Abstraction has 114844 states and 157549 transitions. [2021-12-07 01:32:07,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-07 01:32:07,159 INFO L276 IsEmpty]: Start isEmpty. Operand 114844 states and 157549 transitions. [2021-12-07 01:32:07,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-12-07 01:32:07,170 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:32:07,170 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 14, 14, 14, 14, 14, 14, 12, 11, 11, 6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:32:07,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-07 01:32:07,171 INFO L402 AbstractCegarLoop]: === Iteration 19 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-07 01:32:07,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:32:07,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1378862731, now seen corresponding path program 1 times [2021-12-07 01:32:07,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:32:07,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435422913] [2021-12-07 01:32:07,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:32:07,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:32:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:32:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:32:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:32:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:32:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:32:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:32:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:32:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:32:07,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:32:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:32:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:07,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:32:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:32:07,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:32:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:32:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 01:32:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-07 01:32:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-07 01:32:07,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 01:32:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-07 01:32:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-07 01:32:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 01:32:07,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-07 01:32:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-07 01:32:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-07 01:32:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-07 01:32:07,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-07 01:32:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:32:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-07 01:32:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-07 01:32:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-07 01:32:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-07 01:32:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-07 01:32:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-07 01:32:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-07 01:32:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-07 01:32:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-07 01:32:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 01:32:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-12-07 01:32:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:07,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1418 trivial. 0 not checked. [2021-12-07 01:32:07,646 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:32:07,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435422913] [2021-12-07 01:32:07,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435422913] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:32:07,646 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:32:07,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 01:32:07,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996876896] [2021-12-07 01:32:07,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:32:07,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 01:32:07,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:32:07,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 01:32:07,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:32:07,647 INFO L87 Difference]: Start difference. First operand 114844 states and 157549 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (40), 5 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-12-07 01:32:21,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:32:21,010 INFO L93 Difference]: Finished difference Result 119360 states and 164259 transitions. [2021-12-07 01:32:21,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 01:32:21,012 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (40), 5 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 329 [2021-12-07 01:32:21,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:32:21,403 INFO L225 Difference]: With dead ends: 119360 [2021-12-07 01:32:21,403 INFO L226 Difference]: Without dead ends: 119358 [2021-12-07 01:32:21,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2021-12-07 01:32:21,449 INFO L933 BasicCegarLoop]: 3461 mSDtfsCounter, 5082 mSDsluCounter, 6162 mSDsCounter, 0 mSdLazyCounter, 5644 mSolverCounterSat, 3060 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5420 SdHoareTripleChecker+Valid, 9623 SdHoareTripleChecker+Invalid, 8704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3060 IncrementalHoareTripleChecker+Valid, 5644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:32:21,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5420 Valid, 9623 Invalid, 8704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3060 Valid, 5644 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2021-12-07 01:32:21,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119358 states. [2021-12-07 01:32:27,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119358 to 114848. [2021-12-07 01:32:27,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114848 states, 78193 states have (on average 1.2468379522463648) internal successors, (97494), 79550 states have internal predecessors, (97494), 29720 states have call successors, (29720), 7011 states have call predecessors, (29720), 6931 states have return successors, (30338), 29075 states have call predecessors, (30338), 29716 states have call successors, (30338) [2021-12-07 01:32:27,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114848 states to 114848 states and 157552 transitions. [2021-12-07 01:32:27,921 INFO L78 Accepts]: Start accepts. Automaton has 114848 states and 157552 transitions. Word has length 329 [2021-12-07 01:32:27,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:32:27,922 INFO L470 AbstractCegarLoop]: Abstraction has 114848 states and 157552 transitions. [2021-12-07 01:32:27,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (40), 5 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-12-07 01:32:27,922 INFO L276 IsEmpty]: Start isEmpty. Operand 114848 states and 157552 transitions. [2021-12-07 01:32:27,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-12-07 01:32:27,933 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:32:27,934 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 13, 12, 12, 4, 4, 4, 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] [2021-12-07 01:32:27,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-07 01:32:27,934 INFO L402 AbstractCegarLoop]: === Iteration 20 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-07 01:32:27,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:32:27,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1464809560, now seen corresponding path program 1 times [2021-12-07 01:32:27,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:32:27,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684920885] [2021-12-07 01:32:27,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:32:27,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:32:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:32:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:32:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:28,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:32:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:32:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:32:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:32:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:32:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:32:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:32:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:32:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:32:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:32:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:32:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:32:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 01:32:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-07 01:32:28,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-07 01:32:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 01:32:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-07 01:32:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-07 01:32:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 01:32:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 01:32:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 01:32:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-07 01:32:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-07 01:32:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-07 01:32:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-07 01:32:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-07 01:32:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-07 01:32:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 01:32:28,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-07 01:32:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-07 01:32:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-07 01:32:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-07 01:32:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:28,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 1303 trivial. 0 not checked. [2021-12-07 01:32:28,342 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:32:28,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684920885] [2021-12-07 01:32:28,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684920885] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:32:28,342 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:32:28,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:32:28,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955660279] [2021-12-07 01:32:28,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:32:28,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:32:28,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:32:28,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:32:28,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:32:28,343 INFO L87 Difference]: Start difference. First operand 114848 states and 157552 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-07 01:32:38,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:32:38,401 INFO L93 Difference]: Finished difference Result 119364 states and 164262 transitions. [2021-12-07 01:32:38,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:32:38,403 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 298 [2021-12-07 01:32:38,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:32:38,814 INFO L225 Difference]: With dead ends: 119364 [2021-12-07 01:32:38,815 INFO L226 Difference]: Without dead ends: 119362 [2021-12-07 01:32:38,871 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:32:38,872 INFO L933 BasicCegarLoop]: 3678 mSDtfsCounter, 3923 mSDsluCounter, 7557 mSDsCounter, 0 mSdLazyCounter, 2665 mSolverCounterSat, 1380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4430 SdHoareTripleChecker+Valid, 11235 SdHoareTripleChecker+Invalid, 4045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1380 IncrementalHoareTripleChecker+Valid, 2665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-12-07 01:32:38,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4430 Valid, 11235 Invalid, 4045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1380 Valid, 2665 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-12-07 01:32:38,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119362 states. [2021-12-07 01:32:44,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119362 to 114852. [2021-12-07 01:32:44,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114852 states, 78196 states have (on average 1.2468284822753082) internal successors, (97497), 79553 states have internal predecessors, (97497), 29720 states have call successors, (29720), 7012 states have call predecessors, (29720), 6932 states have return successors, (30338), 29075 states have call predecessors, (30338), 29716 states have call successors, (30338) [2021-12-07 01:32:45,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114852 states to 114852 states and 157555 transitions. [2021-12-07 01:32:45,229 INFO L78 Accepts]: Start accepts. Automaton has 114852 states and 157555 transitions. Word has length 298 [2021-12-07 01:32:45,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:32:45,230 INFO L470 AbstractCegarLoop]: Abstraction has 114852 states and 157555 transitions. [2021-12-07 01:32:45,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-07 01:32:45,230 INFO L276 IsEmpty]: Start isEmpty. Operand 114852 states and 157555 transitions. [2021-12-07 01:32:45,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-12-07 01:32:45,242 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:32:45,242 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 14, 14, 14, 14, 14, 14, 14, 13, 13, 6, 6, 6, 3, 3, 3, 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] [2021-12-07 01:32:45,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-07 01:32:45,242 INFO L402 AbstractCegarLoop]: === Iteration 21 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-07 01:32:45,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:32:45,243 INFO L85 PathProgramCache]: Analyzing trace with hash -2014201817, now seen corresponding path program 1 times [2021-12-07 01:32:45,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:32:45,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182005453] [2021-12-07 01:32:45,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:32:45,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:32:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:32:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:32:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:32:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:32:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:32:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:32:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:32:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:32:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:32:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:32:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:32:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:32:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:32:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:45,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:32:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 01:32:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-07 01:32:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-07 01:32:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 01:32:45,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-07 01:32:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:32:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-07 01:32:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 01:32:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-07 01:32:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-07 01:32:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-07 01:32:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-07 01:32:45,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-07 01:32:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:32:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 01:32:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-07 01:32:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-07 01:32:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-07 01:32:45,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-07 01:32:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-07 01:32:45,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-12-07 01:32:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-07 01:32:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-07 01:32:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-07 01:32:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-07 01:32:45,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-07 01:32:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-07 01:32:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:45,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1534 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 1497 trivial. 0 not checked. [2021-12-07 01:32:45,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:32:45,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182005453] [2021-12-07 01:32:45,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182005453] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:32:45,568 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:32:45,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:32:45,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397908408] [2021-12-07 01:32:45,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:32:45,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:32:45,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:32:45,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:32:45,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:32:45,569 INFO L87 Difference]: Start difference. First operand 114852 states and 157555 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2021-12-07 01:32:48,312 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:09,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:33:09,596 INFO L93 Difference]: Finished difference Result 261421 states and 359321 transitions. [2021-12-07 01:33:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 01:33:09,598 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 338 [2021-12-07 01:33:09,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:33:10,123 INFO L225 Difference]: With dead ends: 261421 [2021-12-07 01:33:10,123 INFO L226 Difference]: Without dead ends: 155290 [2021-12-07 01:33:10,381 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:33:10,381 INFO L933 BasicCegarLoop]: 6751 mSDtfsCounter, 4992 mSDsluCounter, 5862 mSDsCounter, 0 mSdLazyCounter, 5809 mSolverCounterSat, 3456 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5548 SdHoareTripleChecker+Valid, 12613 SdHoareTripleChecker+Invalid, 9266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3456 IncrementalHoareTripleChecker+Valid, 5809 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2021-12-07 01:33:10,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5548 Valid, 12613 Invalid, 9266 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3456 Valid, 5809 Invalid, 1 Unknown, 0 Unchecked, 15.4s Time] [2021-12-07 01:33:10,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155290 states. [2021-12-07 01:33:18,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155290 to 149348. [2021-12-07 01:33:18,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149348 states, 101644 states have (on average 1.2466353154145842) internal successors, (126713), 103415 states have internal predecessors, (126713), 38654 states have call successors, (38654), 9152 states have call predecessors, (38654), 9046 states have return successors, (39532), 37809 states have call predecessors, (39532), 38650 states have call successors, (39532) [2021-12-07 01:33:18,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149348 states to 149348 states and 204899 transitions. [2021-12-07 01:33:18,938 INFO L78 Accepts]: Start accepts. Automaton has 149348 states and 204899 transitions. Word has length 338 [2021-12-07 01:33:18,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:33:18,938 INFO L470 AbstractCegarLoop]: Abstraction has 149348 states and 204899 transitions. [2021-12-07 01:33:18,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2021-12-07 01:33:18,939 INFO L276 IsEmpty]: Start isEmpty. Operand 149348 states and 204899 transitions. [2021-12-07 01:33:18,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-12-07 01:33:18,949 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:33:18,949 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 14, 14, 14, 14, 14, 14, 14, 13, 13, 6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:33:18,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-07 01:33:18,950 INFO L402 AbstractCegarLoop]: === Iteration 22 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-07 01:33:18,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:18,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1075041461, now seen corresponding path program 1 times [2021-12-07 01:33:18,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:18,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335787800] [2021-12-07 01:33:18,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:18,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:33:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:33:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:33:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:33:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:33:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:33:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:33:19,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:33:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:33:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:33:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:33:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:33:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:33:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:19,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:33:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 01:33:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-07 01:33:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-07 01:33:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 01:33:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-07 01:33:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-07 01:33:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 01:33:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-07 01:33:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-07 01:33:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-07 01:33:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-07 01:33:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-07 01:33:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:33:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-07 01:33:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-07 01:33:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-07 01:33:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-07 01:33:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-07 01:33:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-07 01:33:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-07 01:33:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-07 01:33:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-07 01:33:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 01:33:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-12-07 01:33:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-07 01:33:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-07 01:33:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:19,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1536 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 1510 trivial. 0 not checked. [2021-12-07 01:33:19,345 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:33:19,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335787800] [2021-12-07 01:33:19,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335787800] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:33:19,345 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:33:19,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 01:33:19,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461737386] [2021-12-07 01:33:19,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:33:19,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 01:33:19,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:33:19,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 01:33:19,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:33:19,346 INFO L87 Difference]: Start difference. First operand 149348 states and 204899 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (42), 5 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-07 01:33:36,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:33:36,158 INFO L93 Difference]: Finished difference Result 155200 states and 213615 transitions. [2021-12-07 01:33:36,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 01:33:36,160 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (42), 5 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 339 [2021-12-07 01:33:36,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:33:36,696 INFO L225 Difference]: With dead ends: 155200 [2021-12-07 01:33:36,696 INFO L226 Difference]: Without dead ends: 155198 [2021-12-07 01:33:36,764 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2021-12-07 01:33:36,765 INFO L933 BasicCegarLoop]: 3462 mSDtfsCounter, 5082 mSDsluCounter, 6164 mSDsCounter, 0 mSdLazyCounter, 5644 mSolverCounterSat, 3055 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5420 SdHoareTripleChecker+Valid, 9626 SdHoareTripleChecker+Invalid, 8699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3055 IncrementalHoareTripleChecker+Valid, 5644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:33:36,765 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5420 Valid, 9626 Invalid, 8699 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3055 Valid, 5644 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2021-12-07 01:33:36,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155198 states. [2021-12-07 01:33:44,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155198 to 149352. [2021-12-07 01:33:44,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149352 states, 101647 states have (on average 1.2466280362430766) internal successors, (126716), 103418 states have internal predecessors, (126716), 38654 states have call successors, (38654), 9153 states have call predecessors, (38654), 9047 states have return successors, (39532), 37809 states have call predecessors, (39532), 38650 states have call successors, (39532) [2021-12-07 01:33:45,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149352 states to 149352 states and 204902 transitions. [2021-12-07 01:33:45,448 INFO L78 Accepts]: Start accepts. Automaton has 149352 states and 204902 transitions. Word has length 339 [2021-12-07 01:33:45,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:33:45,449 INFO L470 AbstractCegarLoop]: Abstraction has 149352 states and 204902 transitions. [2021-12-07 01:33:45,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (42), 5 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-07 01:33:45,449 INFO L276 IsEmpty]: Start isEmpty. Operand 149352 states and 204902 transitions. [2021-12-07 01:33:45,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-12-07 01:33:45,460 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:33:45,460 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 15, 14, 14, 14, 14, 14, 14, 14, 14, 6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:33:45,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-07 01:33:45,460 INFO L402 AbstractCegarLoop]: === Iteration 23 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-07 01:33:45,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:45,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1715830931, now seen corresponding path program 1 times [2021-12-07 01:33:45,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:45,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035583672] [2021-12-07 01:33:45,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:45,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:33:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:33:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:33:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:33:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:33:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:33:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:33:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:33:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:33:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:33:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:33:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:33:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:33:45,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:33:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 01:33:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-07 01:33:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-07 01:33:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 01:33:45,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-07 01:33:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-07 01:33:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 01:33:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-07 01:33:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-07 01:33:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-07 01:33:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-07 01:33:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-07 01:33:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:33:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-07 01:33:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-07 01:33:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-07 01:33:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-07 01:33:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-07 01:33:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-07 01:33:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-07 01:33:45,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-07 01:33:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-07 01:33:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 01:33:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-12-07 01:33:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-07 01:33:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-07 01:33:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-07 01:33:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:45,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1590 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 1562 trivial. 0 not checked. [2021-12-07 01:33:45,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:33:45,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035583672] [2021-12-07 01:33:45,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035583672] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:33:45,866 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:33:45,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 01:33:45,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101938704] [2021-12-07 01:33:45,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:33:45,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 01:33:45,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:33:45,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 01:33:45,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:33:45,867 INFO L87 Difference]: Start difference. First operand 149352 states and 204902 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-07 01:34:02,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:34:02,799 INFO L93 Difference]: Finished difference Result 155204 states and 213618 transitions. [2021-12-07 01:34:02,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 01:34:02,801 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 344 [2021-12-07 01:34:02,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:34:03,334 INFO L225 Difference]: With dead ends: 155204 [2021-12-07 01:34:03,334 INFO L226 Difference]: Without dead ends: 155200 [2021-12-07 01:34:03,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2021-12-07 01:34:03,403 INFO L933 BasicCegarLoop]: 3462 mSDtfsCounter, 5080 mSDsluCounter, 6162 mSDsCounter, 0 mSdLazyCounter, 5646 mSolverCounterSat, 3057 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5418 SdHoareTripleChecker+Valid, 9624 SdHoareTripleChecker+Invalid, 8703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3057 IncrementalHoareTripleChecker+Valid, 5646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:34:03,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5418 Valid, 9624 Invalid, 8703 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3057 Valid, 5646 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2021-12-07 01:34:03,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155200 states. [2021-12-07 01:34:11,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155200 to 149354. [2021-12-07 01:34:11,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149354 states, 101649 states have (on average 1.2466133459256854) internal successors, (126717), 103419 states have internal predecessors, (126717), 38654 states have call successors, (38654), 9154 states have call predecessors, (38654), 9047 states have return successors, (39532), 37809 states have call predecessors, (39532), 38650 states have call successors, (39532) [2021-12-07 01:34:12,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149354 states to 149354 states and 204903 transitions. [2021-12-07 01:34:12,281 INFO L78 Accepts]: Start accepts. Automaton has 149354 states and 204903 transitions. Word has length 344 [2021-12-07 01:34:12,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:34:12,282 INFO L470 AbstractCegarLoop]: Abstraction has 149354 states and 204903 transitions. [2021-12-07 01:34:12,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-07 01:34:12,282 INFO L276 IsEmpty]: Start isEmpty. Operand 149354 states and 204903 transitions. [2021-12-07 01:34:12,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-12-07 01:34:12,294 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:34:12,294 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 14, 14, 14, 14, 14, 14, 6, 6, 6, 5, 5, 5, 3, 3, 3, 3, 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] [2021-12-07 01:34:12,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-07 01:34:12,295 INFO L402 AbstractCegarLoop]: === Iteration 24 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-07 01:34:12,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:34:12,295 INFO L85 PathProgramCache]: Analyzing trace with hash 960412985, now seen corresponding path program 1 times [2021-12-07 01:34:12,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:34:12,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016278762] [2021-12-07 01:34:12,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:34:12,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:34:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:34:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:34:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:34:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:34:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:34:12,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:34:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:34:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:34:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:34:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:34:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:34:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:12,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:34:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:34:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:34:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 01:34:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-07 01:34:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-07 01:34:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 01:34:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-07 01:34:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-07 01:34:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 01:34:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-07 01:34:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-07 01:34:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-07 01:34:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-07 01:34:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-07 01:34:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-07 01:34:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-07 01:34:12,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-07 01:34:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:12,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked. [2021-12-07 01:34:12,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:34:12,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016278762] [2021-12-07 01:34:12,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016278762] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:34:12,683 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:34:12,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:34:12,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21492774] [2021-12-07 01:34:12,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:34:12,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:34:12,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:34:12,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:34:12,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:34:12,684 INFO L87 Difference]: Start difference. First operand 149354 states and 204903 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-07 01:34:25,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:34:25,279 INFO L93 Difference]: Finished difference Result 155202 states and 213615 transitions. [2021-12-07 01:34:25,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:34:25,281 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 304 [2021-12-07 01:34:25,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:34:25,855 INFO L225 Difference]: With dead ends: 155202 [2021-12-07 01:34:25,855 INFO L226 Difference]: Without dead ends: 155200 [2021-12-07 01:34:25,936 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:34:25,937 INFO L933 BasicCegarLoop]: 3679 mSDtfsCounter, 3887 mSDsluCounter, 7641 mSDsCounter, 0 mSdLazyCounter, 2750 mSolverCounterSat, 1396 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4384 SdHoareTripleChecker+Valid, 11320 SdHoareTripleChecker+Invalid, 4146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1396 IncrementalHoareTripleChecker+Valid, 2750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:34:25,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4384 Valid, 11320 Invalid, 4146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1396 Valid, 2750 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2021-12-07 01:34:26,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155200 states. [2021-12-07 01:34:34,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155200 to 149352. [2021-12-07 01:34:34,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149352 states, 101648 states have (on average 1.2460353376357627) internal successors, (126657), 103417 states have internal predecessors, (126657), 38654 states have call successors, (38654), 9154 states have call predecessors, (38654), 9047 states have return successors, (39532), 37809 states have call predecessors, (39532), 38650 states have call successors, (39532) [2021-12-07 01:34:34,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149352 states to 149352 states and 204843 transitions. [2021-12-07 01:34:34,860 INFO L78 Accepts]: Start accepts. Automaton has 149352 states and 204843 transitions. Word has length 304 [2021-12-07 01:34:34,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:34:34,860 INFO L470 AbstractCegarLoop]: Abstraction has 149352 states and 204843 transitions. [2021-12-07 01:34:34,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-07 01:34:34,861 INFO L276 IsEmpty]: Start isEmpty. Operand 149352 states and 204843 transitions. [2021-12-07 01:34:34,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-12-07 01:34:34,872 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:34:34,873 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 16, 15, 15, 14, 14, 14, 14, 14, 14, 4, 4, 4, 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] [2021-12-07 01:34:34,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-07 01:34:34,873 INFO L402 AbstractCegarLoop]: === Iteration 25 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-07 01:34:34,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:34:34,873 INFO L85 PathProgramCache]: Analyzing trace with hash 749722342, now seen corresponding path program 1 times [2021-12-07 01:34:34,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:34:34,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377795617] [2021-12-07 01:34:34,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:34:34,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:34:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:34:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:34:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:34:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:34:35,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:34:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:34:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:34:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:34:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:34:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:34:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:34:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:34:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:34:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:34:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 01:34:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-07 01:34:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-07 01:34:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 01:34:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-07 01:34:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:34:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-07 01:34:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 01:34:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 01:34:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 01:34:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-07 01:34:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-07 01:34:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-07 01:34:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-07 01:34:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-07 01:34:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-07 01:34:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 01:34:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-07 01:34:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-07 01:34:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-07 01:34:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-07 01:34:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-07 01:34:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-12-07 01:34:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-07 01:34:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:35,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1489 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 1459 trivial. 0 not checked. [2021-12-07 01:34:35,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:34:35,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377795617] [2021-12-07 01:34:35,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377795617] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:34:35,237 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:34:35,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:34:35,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147022907] [2021-12-07 01:34:35,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:34:35,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:34:35,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:34:35,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:34:35,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:34:35,238 INFO L87 Difference]: Start difference. First operand 149352 states and 204843 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-12-07 01:35:00,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:35:00,497 INFO L93 Difference]: Finished difference Result 310091 states and 426741 transitions. [2021-12-07 01:35:00,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 01:35:00,499 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 313 [2021-12-07 01:35:00,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:35:01,918 INFO L225 Difference]: With dead ends: 310091 [2021-12-07 01:35:01,918 INFO L226 Difference]: Without dead ends: 309416 [2021-12-07 01:35:02,033 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-07 01:35:02,034 INFO L933 BasicCegarLoop]: 4523 mSDtfsCounter, 4727 mSDsluCounter, 12320 mSDsCounter, 0 mSdLazyCounter, 4757 mSolverCounterSat, 2075 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5427 SdHoareTripleChecker+Valid, 16843 SdHoareTripleChecker+Invalid, 6832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2075 IncrementalHoareTripleChecker+Valid, 4757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2021-12-07 01:35:02,034 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5427 Valid, 16843 Invalid, 6832 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2075 Valid, 4757 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2021-12-07 01:35:02,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309416 states. [2021-12-07 01:35:18,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309416 to 297686. [2021-12-07 01:35:18,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297686 states, 202575 states have (on average 1.2465161051462421) internal successors, (252513), 206166 states have internal predecessors, (252513), 77095 states have call successors, (77095), 18259 states have call predecessors, (77095), 18013 states have return successors, (78855), 75318 states have call predecessors, (78855), 77091 states have call successors, (78855) [2021-12-07 01:35:20,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297686 states to 297686 states and 408463 transitions. [2021-12-07 01:35:20,496 INFO L78 Accepts]: Start accepts. Automaton has 297686 states and 408463 transitions. Word has length 313 [2021-12-07 01:35:20,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:35:20,496 INFO L470 AbstractCegarLoop]: Abstraction has 297686 states and 408463 transitions. [2021-12-07 01:35:20,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-12-07 01:35:20,497 INFO L276 IsEmpty]: Start isEmpty. Operand 297686 states and 408463 transitions. [2021-12-07 01:35:20,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-12-07 01:35:20,520 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:35:20,520 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 14, 14, 14, 14, 14, 14, 7, 7, 7, 5, 5, 5, 3, 3, 3, 3, 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] [2021-12-07 01:35:20,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-07 01:35:20,521 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-07 01:35:20,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:35:20,521 INFO L85 PathProgramCache]: Analyzing trace with hash -235817817, now seen corresponding path program 1 times [2021-12-07 01:35:20,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:35:20,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252652309] [2021-12-07 01:35:20,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:35:20,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:35:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:35:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:35:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:35:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:35:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:35:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:35:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:35:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:35:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:35:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:35:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:35:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:35:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:35:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:35:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:35:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:35:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:35:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:35:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:35:20,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:35:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:35:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:35:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:35:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:35:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:35:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:35:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:35:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:35:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 01:35:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-07 01:35:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-07 01:35:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 01:35:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-07 01:35:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:35:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-07 01:35:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 01:35:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-07 01:35:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-07 01:35:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-07 01:35:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-07 01:35:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-07 01:35:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-07 01:35:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-07 01:35:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-07 01:35:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-12-07 01:35:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-07 01:35:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-07 01:35:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-07 01:35:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-07 01:35:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:35:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:35:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:20,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1376 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1376 trivial. 0 not checked. [2021-12-07 01:35:20,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:35:20,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252652309] [2021-12-07 01:35:20,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252652309] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:35:20,854 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:35:20,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:35:20,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989341451] [2021-12-07 01:35:20,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:35:20,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:35:20,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:35:20,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:35:20,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:35:20,855 INFO L87 Difference]: Start difference. First operand 297686 states and 408463 transitions. Second operand has 5 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (37), 4 states have call predecessors, (37), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-07 01:35:47,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:35:47,058 INFO L93 Difference]: Finished difference Result 609359 states and 847475 transitions. [2021-12-07 01:35:47,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:35:47,060 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (37), 4 states have call predecessors, (37), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 343 [2021-12-07 01:35:47,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:35:48,578 INFO L225 Difference]: With dead ends: 609359 [2021-12-07 01:35:48,578 INFO L226 Difference]: Without dead ends: 311706 [2021-12-07 01:35:49,594 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:35:49,594 INFO L933 BasicCegarLoop]: 3494 mSDtfsCounter, 2211 mSDsluCounter, 4508 mSDsCounter, 0 mSdLazyCounter, 3527 mSolverCounterSat, 1989 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2415 SdHoareTripleChecker+Valid, 8002 SdHoareTripleChecker+Invalid, 5516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1989 IncrementalHoareTripleChecker+Valid, 3527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:35:49,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2415 Valid, 8002 Invalid, 5516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1989 Valid, 3527 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2021-12-07 01:35:49,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311706 states. [2021-12-07 01:36:07,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311706 to 297922. [2021-12-07 01:36:08,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297922 states, 202811 states have (on average 1.2462292479204777) internal successors, (252749), 206402 states have internal predecessors, (252749), 77095 states have call successors, (77095), 18259 states have call predecessors, (77095), 18013 states have return successors, (78855), 75318 states have call predecessors, (78855), 77091 states have call successors, (78855) [2021-12-07 01:36:09,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297922 states to 297922 states and 408699 transitions. [2021-12-07 01:36:09,843 INFO L78 Accepts]: Start accepts. Automaton has 297922 states and 408699 transitions. Word has length 343 [2021-12-07 01:36:09,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:36:09,843 INFO L470 AbstractCegarLoop]: Abstraction has 297922 states and 408699 transitions. [2021-12-07 01:36:09,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (37), 4 states have call predecessors, (37), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-07 01:36:09,844 INFO L276 IsEmpty]: Start isEmpty. Operand 297922 states and 408699 transitions. [2021-12-07 01:36:09,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2021-12-07 01:36:09,870 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:36:09,870 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 14, 14, 14, 14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:36:09,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-12-07 01:36:09,871 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-07 01:36:09,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:36:09,871 INFO L85 PathProgramCache]: Analyzing trace with hash 2051932579, now seen corresponding path program 1 times [2021-12-07 01:36:09,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:36:09,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163185070] [2021-12-07 01:36:09,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:36:09,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:36:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:36:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:36:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:36:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:36:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:36:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:36:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:36:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:36:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:36:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:36:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:36:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:36:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:36:10,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:36:10,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 01:36:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-07 01:36:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-07 01:36:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 01:36:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-07 01:36:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-07 01:36:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-07 01:36:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-07 01:36:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-07 01:36:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-07 01:36:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-07 01:36:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-07 01:36:10,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-07 01:36:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:36:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-07 01:36:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-07 01:36:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-07 01:36:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-07 01:36:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-07 01:36:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-07 01:36:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-07 01:36:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-07 01:36:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-07 01:36:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-07 01:36:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-07 01:36:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:10,374 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2021-12-07 01:36:10,374 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:36:10,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163185070] [2021-12-07 01:36:10,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163185070] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:36:10,374 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:36:10,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 01:36:10,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256391799] [2021-12-07 01:36:10,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:36:10,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 01:36:10,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:36:10,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 01:36:10,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:36:10,375 INFO L87 Difference]: Start difference. First operand 297922 states and 408699 transitions. Second operand has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 3 states have internal predecessors, (139), 4 states have call successors, (48), 6 states have call predecessors, (48), 1 states have return successors, (44), 3 states have call predecessors, (44), 4 states have call successors, (44) [2021-12-07 01:36:24,915 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:36:30,766 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:36:33,120 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:37:08,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:37:08,371 INFO L93 Difference]: Finished difference Result 770670 states and 1066535 transitions. [2021-12-07 01:37:08,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 01:37:08,372 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 3 states have internal predecessors, (139), 4 states have call successors, (48), 6 states have call predecessors, (48), 1 states have return successors, (44), 3 states have call predecessors, (44), 4 states have call successors, (44) Word has length 359 [2021-12-07 01:37:08,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:37:10,680 INFO L225 Difference]: With dead ends: 770670 [2021-12-07 01:37:10,680 INFO L226 Difference]: Without dead ends: 472607 [2021-12-07 01:37:11,544 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2021-12-07 01:37:11,545 INFO L933 BasicCegarLoop]: 5166 mSDtfsCounter, 7380 mSDsluCounter, 6877 mSDsCounter, 0 mSdLazyCounter, 7585 mSolverCounterSat, 6407 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7837 SdHoareTripleChecker+Valid, 12043 SdHoareTripleChecker+Invalid, 13995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6407 IncrementalHoareTripleChecker+Valid, 7585 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.8s IncrementalHoareTripleChecker+Time [2021-12-07 01:37:11,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7837 Valid, 12043 Invalid, 13995 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6407 Valid, 7585 Invalid, 3 Unknown, 0 Unchecked, 23.8s Time] [2021-12-07 01:37:11,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472607 states. [2021-12-07 01:37:40,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472607 to 406687. [2021-12-07 01:37:40,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406687 states, 278737 states have (on average 1.2427019017927294) internal successors, (346387), 283323 states have internal predecessors, (346387), 102412 states have call successors, (102412), 25908 states have call predecessors, (102412), 25535 states have return successors, (104165), 100131 states have call predecessors, (104165), 102405 states have call successors, (104165) [2021-12-07 01:37:42,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406687 states to 406687 states and 552964 transitions. [2021-12-07 01:37:42,840 INFO L78 Accepts]: Start accepts. Automaton has 406687 states and 552964 transitions. Word has length 359 [2021-12-07 01:37:42,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:37:42,841 INFO L470 AbstractCegarLoop]: Abstraction has 406687 states and 552964 transitions. [2021-12-07 01:37:42,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 3 states have internal predecessors, (139), 4 states have call successors, (48), 6 states have call predecessors, (48), 1 states have return successors, (44), 3 states have call predecessors, (44), 4 states have call successors, (44) [2021-12-07 01:37:42,841 INFO L276 IsEmpty]: Start isEmpty. Operand 406687 states and 552964 transitions. [2021-12-07 01:37:42,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2021-12-07 01:37:42,860 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:37:42,861 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 14, 14, 14, 14, 14, 14, 7, 7, 7, 5, 5, 5, 3, 3, 3, 3, 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] [2021-12-07 01:37:42,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-12-07 01:37:42,861 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-07 01:37:42,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:37:42,861 INFO L85 PathProgramCache]: Analyzing trace with hash 864359184, now seen corresponding path program 1 times [2021-12-07 01:37:42,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:37:42,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337428942] [2021-12-07 01:37:42,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:37:42,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:37:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:42,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:37:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:42,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:37:42,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:42,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:37:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:42,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:37:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:42,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:37:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:42,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:37:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:42,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:37:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:42,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:37:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:37:43,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:37:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:37:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:37:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:37:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:37:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:37:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:37:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:37:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:37:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:37:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:37:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:37:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:37:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:37:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:37:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:37:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:37:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:37:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:37:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 01:37:43,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-07 01:37:43,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-07 01:37:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 01:37:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-07 01:37:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:37:43,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-07 01:37:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 01:37:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-07 01:37:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-07 01:37:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-07 01:37:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-07 01:37:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-07 01:37:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-07 01:37:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-07 01:37:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-07 01:37:43,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-12-07 01:37:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-07 01:37:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-07 01:37:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-07 01:37:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-07 01:37:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:37:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:37:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 01:37:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-07 01:37:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:43,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1376 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1376 trivial. 0 not checked. [2021-12-07 01:37:43,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:37:43,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337428942] [2021-12-07 01:37:43,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337428942] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:37:43,258 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:37:43,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 01:37:43,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927414861] [2021-12-07 01:37:43,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:37:43,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 01:37:43,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:37:43,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 01:37:43,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:37:43,260 INFO L87 Difference]: Start difference. First operand 406687 states and 552964 transitions. Second operand has 7 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 3 states have call successors, (39), 4 states have call predecessors, (39), 3 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-07 01:38:25,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:38:25,025 INFO L93 Difference]: Finished difference Result 835189 states and 1144397 transitions. [2021-12-07 01:38:25,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 01:38:25,027 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 3 states have call successors, (39), 4 states have call predecessors, (39), 3 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 354 [2021-12-07 01:38:25,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:38:27,018 INFO L225 Difference]: With dead ends: 835189 [2021-12-07 01:38:27,018 INFO L226 Difference]: Without dead ends: 428591 [2021-12-07 01:38:28,139 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-12-07 01:38:28,140 INFO L933 BasicCegarLoop]: 3491 mSDtfsCounter, 2197 mSDsluCounter, 9030 mSDsCounter, 0 mSdLazyCounter, 6792 mSolverCounterSat, 1990 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2401 SdHoareTripleChecker+Valid, 12521 SdHoareTripleChecker+Invalid, 8782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1990 IncrementalHoareTripleChecker+Valid, 6792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:38:28,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2401 Valid, 12521 Invalid, 8782 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1990 Valid, 6792 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2021-12-07 01:38:28,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428591 states.