./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05049bfe-a026-430d-a48b-0de5b0090814/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05049bfe-a026-430d-a48b-0de5b0090814/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05049bfe-a026-430d-a48b-0de5b0090814/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05049bfe-a026-430d-a48b-0de5b0090814/bin/uautomizer-Dbtcem3rbc/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_05049bfe-a026-430d-a48b-0de5b0090814/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05049bfe-a026-430d-a48b-0de5b0090814/bin/uautomizer-Dbtcem3rbc --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 --- [0.002s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 21:04:02,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:04:02,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:04:02,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:04:02,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:04:02,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:04:02,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:04:02,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:04:02,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:04:02,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:04:02,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:04:02,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:04:02,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:04:02,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:04:03,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:04:03,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:04:03,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:04:03,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:04:03,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:04:03,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:04:03,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:04:03,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:04:03,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:04:03,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:04:03,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:04:03,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:04:03,016 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:04:03,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:04:03,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:04:03,019 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:04:03,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:04:03,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:04:03,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:04:03,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:04:03,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:04:03,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:04:03,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:04:03,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:04:03,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:04:03,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:04:03,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:04:03,033 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05049bfe-a026-430d-a48b-0de5b0090814/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 21:04:03,066 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:04:03,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:04:03,073 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:04:03,073 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:04:03,075 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:04:03,075 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:04:03,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:04:03,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:04:03,076 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:04:03,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:04:03,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:04:03,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:04:03,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:04:03,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:04:03,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:04:03,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:04:03,079 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:04:03,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:04:03,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:04:03,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:04:03,080 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:04:03,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:04:03,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:04:03,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:04:03,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:04:03,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:04:03,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:04:03,084 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:04:03,084 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:04:03,085 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:04:03,085 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_05049bfe-a026-430d-a48b-0de5b0090814/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05049bfe-a026-430d-a48b-0de5b0090814/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 [2022-11-02 21:04:03,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:04:03,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:04:03,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:04:03,402 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:04:03,404 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:04:03,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05049bfe-a026-430d-a48b-0de5b0090814/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-11-02 21:04:03,504 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05049bfe-a026-430d-a48b-0de5b0090814/bin/uautomizer-Dbtcem3rbc/data/1ca20ee5f/465144b76fc742d5be0fdeac22b3cd89/FLAGf490b52a3 [2022-11-02 21:04:04,635 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:04:04,637 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05049bfe-a026-430d-a48b-0de5b0090814/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-11-02 21:04:04,729 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05049bfe-a026-430d-a48b-0de5b0090814/bin/uautomizer-Dbtcem3rbc/data/1ca20ee5f/465144b76fc742d5be0fdeac22b3cd89/FLAGf490b52a3 [2022-11-02 21:04:04,878 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05049bfe-a026-430d-a48b-0de5b0090814/bin/uautomizer-Dbtcem3rbc/data/1ca20ee5f/465144b76fc742d5be0fdeac22b3cd89 [2022-11-02 21:04:04,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:04:04,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:04:04,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:04:04,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:04:04,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:04:04,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:04:04" (1/1) ... [2022-11-02 21:04:04,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23fb21d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:04, skipping insertion in model container [2022-11-02 21:04:04,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:04:04" (1/1) ... [2022-11-02 21:04:04,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:04:05,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:04:09,917 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_05049bfe-a026-430d-a48b-0de5b0090814/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] [2022-11-02 21:04:09,920 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_05049bfe-a026-430d-a48b-0de5b0090814/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] [2022-11-02 21:04:09,921 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_05049bfe-a026-430d-a48b-0de5b0090814/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] [2022-11-02 21:04:09,921 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_05049bfe-a026-430d-a48b-0de5b0090814/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] [2022-11-02 21:04:09,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:04:09,995 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:04:10,584 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_05049bfe-a026-430d-a48b-0de5b0090814/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] [2022-11-02 21:04:10,585 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_05049bfe-a026-430d-a48b-0de5b0090814/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] [2022-11-02 21:04:10,586 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_05049bfe-a026-430d-a48b-0de5b0090814/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] [2022-11-02 21:04:10,586 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_05049bfe-a026-430d-a48b-0de5b0090814/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] [2022-11-02 21:04:10,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:04:10,919 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:04:10,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:10 WrapperNode [2022-11-02 21:04:10,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:04:10,922 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:04:10,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:04:10,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:04:10,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:10" (1/1) ... [2022-11-02 21:04:11,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:10" (1/1) ... [2022-11-02 21:04:11,467 INFO L138 Inliner]: procedures = 625, calls = 3468, calls flagged for inlining = 312, calls inlined = 276, statements flattened = 8002 [2022-11-02 21:04:11,468 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:04:11,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:04:11,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:04:11,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:04:11,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:10" (1/1) ... [2022-11-02 21:04:11,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:10" (1/1) ... [2022-11-02 21:04:11,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:10" (1/1) ... [2022-11-02 21:04:11,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:10" (1/1) ... [2022-11-02 21:04:11,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:10" (1/1) ... [2022-11-02 21:04:11,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:10" (1/1) ... [2022-11-02 21:04:11,808 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:10" (1/1) ... [2022-11-02 21:04:11,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:10" (1/1) ... [2022-11-02 21:04:11,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:04:11,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:04:11,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:04:11,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:04:11,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:10" (1/1) ... [2022-11-02 21:04:11,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:04:11,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05049bfe-a026-430d-a48b-0de5b0090814/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:04:11,928 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05049bfe-a026-430d-a48b-0de5b0090814/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:04:11,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05049bfe-a026-430d-a48b-0de5b0090814/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:04:11,976 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-02 21:04:11,976 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-02 21:04:11,977 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-02 21:04:11,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-02 21:04:11,977 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2022-11-02 21:04:11,977 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2022-11-02 21:04:11,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 21:04:11,977 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 21:04:11,977 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2022-11-02 21:04:11,978 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2022-11-02 21:04:11,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-02 21:04:11,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-02 21:04:11,978 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-02 21:04:11,978 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-02 21:04:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_89 [2022-11-02 21:04:11,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_89 [2022-11-02 21:04:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 21:04:11,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 21:04:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2022-11-02 21:04:11,979 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2022-11-02 21:04:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-02 21:04:11,980 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-02 21:04:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_78 [2022-11-02 21:04:11,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_78 [2022-11-02 21:04:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-02 21:04:11,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-02 21:04:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-02 21:04:11,981 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-02 21:04:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-02 21:04:11,981 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-02 21:04:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-02 21:04:11,982 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-02 21:04:11,982 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 21:04:11,982 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 21:04:11,982 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2022-11-02 21:04:11,982 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2022-11-02 21:04:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_resume [2022-11-02 21:04:11,983 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_resume [2022-11-02 21:04:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2022-11-02 21:04:11,983 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2022-11-02 21:04:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_close [2022-11-02 21:04:11,984 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_close [2022-11-02 21:04:11,984 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-02 21:04:11,984 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-02 21:04:11,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-02 21:04:11,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-02 21:04:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2022-11-02 21:04:11,985 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2022-11-02 21:04:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-02 21:04:11,985 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-02 21:04:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-02 21:04:11,986 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-02 21:04:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-02 21:04:11,986 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-02 21:04:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 21:04:11,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 21:04:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 21:04:11,987 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 21:04:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2022-11-02 21:04:11,987 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2022-11-02 21:04:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-02 21:04:12,045 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-02 21:04:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-02 21:04:12,045 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-02 21:04:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:04:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-02 21:04:12,045 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-02 21:04:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2022-11-02 21:04:12,045 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2022-11-02 21:04:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-02 21:04:12,046 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-02 21:04:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2022-11-02 21:04:12,046 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2022-11-02 21:04:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-02 21:04:12,046 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-02 21:04:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-02 21:04:12,046 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-02 21:04:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-02 21:04:12,046 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-02 21:04:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 21:04:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2022-11-02 21:04:12,047 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2022-11-02 21:04:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-02 21:04:12,047 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-02 21:04:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-02 21:04:12,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-02 21:04:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2022-11-02 21:04:12,047 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2022-11-02 21:04:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 21:04:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-02 21:04:12,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-02 21:04:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:04:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-02 21:04:12,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-02 21:04:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 21:04:12,048 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 21:04:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-02 21:04:12,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-02 21:04:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-02 21:04:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-02 21:04:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-02 21:04:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-02 21:04:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-11-02 21:04:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-11-02 21:04:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-02 21:04:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-02 21:04:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2022-11-02 21:04:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2022-11-02 21:04:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-02 21:04:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-02 21:04:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-02 21:04:12,050 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-02 21:04:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2022-11-02 21:04:12,050 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2022-11-02 21:04:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-02 21:04:12,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-02 21:04:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 21:04:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2022-11-02 21:04:12,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2022-11-02 21:04:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-02 21:04:12,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-02 21:04:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-02 21:04:12,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-02 21:04:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:04:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-02 21:04:12,051 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-02 21:04:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-02 21:04:12,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-02 21:04:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-02 21:04:12,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-02 21:04:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 21:04:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 21:04:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-02 21:04:12,052 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-02 21:04:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-02 21:04:12,052 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-02 21:04:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2022-11-02 21:04:12,052 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2022-11-02 21:04:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2022-11-02 21:04:12,053 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2022-11-02 21:04:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-02 21:04:12,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-02 21:04:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2022-11-02 21:04:12,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2022-11-02 21:04:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-02 21:04:12,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-02 21:04:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-02 21:04:12,053 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-02 21:04:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 21:04:12,054 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 21:04:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-02 21:04:12,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-02 21:04:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2022-11-02 21:04:12,054 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2022-11-02 21:04:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-02 21:04:12,056 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-02 21:04:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-02 21:04:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-02 21:04:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-02 21:04:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-02 21:04:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2022-11-02 21:04:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2022-11-02 21:04:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-02 21:04:12,058 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-02 21:04:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-02 21:04:12,058 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-02 21:04:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:04:12,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:04:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-02 21:04:12,059 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-02 21:04:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-02 21:04:12,059 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-02 21:04:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 21:04:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 21:04:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 21:04:12,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 21:04:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-02 21:04:12,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-02 21:04:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-02 21:04:12,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-02 21:04:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-02 21:04:12,061 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-02 21:04:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-02 21:04:12,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-02 21:04:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-02 21:04:12,061 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-02 21:04:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-02 21:04:12,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-02 21:04:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2022-11-02 21:04:12,062 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2022-11-02 21:04:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2022-11-02 21:04:12,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2022-11-02 21:04:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-02 21:04:12,063 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-02 21:04:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-02 21:04:12,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-02 21:04:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-02 21:04:12,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-02 21:04:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2022-11-02 21:04:12,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2022-11-02 21:04:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-02 21:04:12,064 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-02 21:04:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 21:04:12,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 21:04:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2022-11-02 21:04:12,064 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2022-11-02 21:04:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-02 21:04:12,065 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-02 21:04:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-02 21:04:12,065 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-02 21:04:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:04:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 21:04:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 21:04:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-02 21:04:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-02 21:04:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-02 21:04:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-02 21:04:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2022-11-02 21:04:12,067 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2022-11-02 21:04:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 21:04:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2022-11-02 21:04:12,067 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2022-11-02 21:04:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2022-11-02 21:04:12,067 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2022-11-02 21:04:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-02 21:04:12,068 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-02 21:04:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2022-11-02 21:04:12,068 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2022-11-02 21:04:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 21:04:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2022-11-02 21:04:12,069 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2022-11-02 21:04:12,069 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-02 21:04:12,069 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-02 21:04:12,069 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-02 21:04:12,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-02 21:04:12,069 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-02 21:04:12,069 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-02 21:04:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-02 21:04:12,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-02 21:04:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-02 21:04:12,070 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-02 21:04:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-02 21:04:12,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-02 21:04:12,071 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2022-11-02 21:04:12,071 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2022-11-02 21:04:12,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2022-11-02 21:04:12,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2022-11-02 21:04:12,071 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2022-11-02 21:04:12,071 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2022-11-02 21:04:12,072 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2022-11-02 21:04:12,072 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2022-11-02 21:04:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-02 21:04:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-02 21:04:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-02 21:04:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-02 21:04:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_open [2022-11-02 21:04:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_open [2022-11-02 21:04:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-02 21:04:12,076 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-02 21:04:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-02 21:04:12,076 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-02 21:04:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2022-11-02 21:04:12,077 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2022-11-02 21:04:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 21:04:12,077 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 21:04:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:04:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2022-11-02 21:04:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2022-11-02 21:04:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 21:04:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 21:04:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2022-11-02 21:04:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2022-11-02 21:04:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2022-11-02 21:04:12,079 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2022-11-02 21:04:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2022-11-02 21:04:12,079 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2022-11-02 21:04:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-02 21:04:12,079 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-02 21:04:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-02 21:04:12,079 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-02 21:04:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_nway_reset [2022-11-02 21:04:12,080 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_nway_reset [2022-11-02 21:04:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-02 21:04:12,082 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-02 21:04:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2022-11-02 21:04:12,082 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2022-11-02 21:04:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-02 21:04:12,083 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-02 21:04:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-02 21:04:12,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-02 21:04:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-02 21:04:12,083 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-02 21:04:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-02 21:04:12,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-02 21:04:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2022-11-02 21:04:12,084 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2022-11-02 21:04:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-02 21:04:12,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-02 21:04:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-02 21:04:12,085 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-02 21:04:12,085 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2022-11-02 21:04:12,085 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2022-11-02 21:04:12,085 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-02 21:04:12,085 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-02 21:04:12,085 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-02 21:04:12,085 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-02 21:04:12,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:04:12,086 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-02 21:04:12,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-02 21:04:12,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-02 21:04:12,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-02 21:04:12,086 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2022-11-02 21:04:12,086 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2022-11-02 21:04:12,087 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2022-11-02 21:04:12,087 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2022-11-02 21:04:13,228 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:04:13,231 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:04:13,633 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 21:04:27,204 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-02 21:04:27,528 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:04:27,557 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:04:27,558 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 21:04:27,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:04:27 BoogieIcfgContainer [2022-11-02 21:04:27,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:04:27,567 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:04:27,567 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:04:27,571 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:04:27,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:04:04" (1/3) ... [2022-11-02 21:04:27,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5004de90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:04:27, skipping insertion in model container [2022-11-02 21:04:27,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:10" (2/3) ... [2022-11-02 21:04:27,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5004de90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:04:27, skipping insertion in model container [2022-11-02 21:04:27,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:04:27" (3/3) ... [2022-11-02 21:04:27,574 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-11-02 21:04:27,594 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:04:27,594 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-02 21:04:27,727 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:04:27,735 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@36769cae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:04:27,737 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-02 21:04:27,751 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) [2022-11-02 21:04:27,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-02 21:04:27,787 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:04:27,788 INFO L195 NwaCegarLoop]: 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] [2022-11-02 21:04:27,789 INFO L420 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)] === [2022-11-02 21:04:27,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:04:27,797 INFO L85 PathProgramCache]: Analyzing trace with hash -695297070, now seen corresponding path program 1 times [2022-11-02 21:04:27,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:04:27,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018295931] [2022-11-02 21:04:27,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:04:27,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:04:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:28,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:04:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:28,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:28,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:04:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:28,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:28,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:04:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:28,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:28,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:04:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:28,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:28,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:04:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:28,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:28,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:04:29,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:04:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:04:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:04:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:04:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:04:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:04:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:04:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 21:04:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-02 21:04:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-02 21:04:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,343 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2022-11-02 21:04:29,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:04:29,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018295931] [2022-11-02 21:04:29,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018295931] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:04:29,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:04:29,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:04:29,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827404274] [2022-11-02 21:04:29,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:04:29,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:04:29,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:04:29,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:04:29,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:04:29,407 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) [2022-11-02 21:04:40,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:04:40,255 INFO L93 Difference]: Finished difference Result 8538 states and 12069 transitions. [2022-11-02 21:04:40,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:04:40,258 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 [2022-11-02 21:04:40,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:04:40,335 INFO L225 Difference]: With dead ends: 8538 [2022-11-02 21:04:40,336 INFO L226 Difference]: Without dead ends: 5732 [2022-11-02 21:04:40,363 INFO L412 NwaCegarLoop]: 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 [2022-11-02 21:04:40,367 INFO L413 NwaCegarLoop]: 4279 mSDtfsCounter, 4767 mSDsluCounter, 3925 mSDsCounter, 0 mSdLazyCounter, 3072 mSolverCounterSat, 2149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5469 SdHoareTripleChecker+Valid, 8204 SdHoareTripleChecker+Invalid, 5221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2149 IncrementalHoareTripleChecker+Valid, 3072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-11-02 21:04:40,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5469 Valid, 8204 Invalid, 5221 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2149 Valid, 3072 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2022-11-02 21:04:40,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5732 states. [2022-11-02 21:04:40,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5732 to 5465. [2022-11-02 21:04:40,796 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) [2022-11-02 21:04:40,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5465 states to 5465 states and 7562 transitions. [2022-11-02 21:04:40,840 INFO L78 Accepts]: Start accepts. Automaton has 5465 states and 7562 transitions. Word has length 181 [2022-11-02 21:04:40,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:04:40,845 INFO L495 AbstractCegarLoop]: Abstraction has 5465 states and 7562 transitions. [2022-11-02 21:04:40,845 INFO L496 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) [2022-11-02 21:04:40,845 INFO L276 IsEmpty]: Start isEmpty. Operand 5465 states and 7562 transitions. [2022-11-02 21:04:40,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-11-02 21:04:40,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:04:40,855 INFO L195 NwaCegarLoop]: 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] [2022-11-02 21:04:40,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:04:40,856 INFO L420 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)] === [2022-11-02 21:04:40,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:04:40,856 INFO L85 PathProgramCache]: Analyzing trace with hash -620921520, now seen corresponding path program 1 times [2022-11-02 21:04:40,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:04:40,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956325406] [2022-11-02 21:04:40,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:04:40,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:04:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:04:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:41,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:04:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:04:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:04:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:04:41,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:04:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:04:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:04:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:04:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:04:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:04:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:04:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:04:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 21:04:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:41,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-02 21:04:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-02 21:04:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:41,751 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2022-11-02 21:04:41,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:04:41,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956325406] [2022-11-02 21:04:41,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956325406] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:04:41,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:04:41,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:04:41,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199189423] [2022-11-02 21:04:41,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:04:41,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:04:41,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:04:41,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:04:41,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:04:41,764 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) [2022-11-02 21:04:52,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:04:52,111 INFO L93 Difference]: Finished difference Result 16666 states and 23123 transitions. [2022-11-02 21:04:52,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:04:52,112 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 [2022-11-02 21:04:52,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:04:52,185 INFO L225 Difference]: With dead ends: 16666 [2022-11-02 21:04:52,185 INFO L226 Difference]: Without dead ends: 11234 [2022-11-02 21:04:52,210 INFO L412 NwaCegarLoop]: 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 [2022-11-02 21:04:52,211 INFO L413 NwaCegarLoop]: 4236 mSDtfsCounter, 4716 mSDsluCounter, 3940 mSDsCounter, 0 mSdLazyCounter, 3094 mSolverCounterSat, 2078 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5417 SdHoareTripleChecker+Valid, 8176 SdHoareTripleChecker+Invalid, 5172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2078 IncrementalHoareTripleChecker+Valid, 3094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-11-02 21:04:52,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5417 Valid, 8176 Invalid, 5172 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2078 Valid, 3094 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2022-11-02 21:04:52,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11234 states. [2022-11-02 21:04:52,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11234 to 10760. [2022-11-02 21:04:52,931 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) [2022-11-02 21:04:53,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10760 states to 10760 states and 14877 transitions. [2022-11-02 21:04:53,025 INFO L78 Accepts]: Start accepts. Automaton has 10760 states and 14877 transitions. Word has length 182 [2022-11-02 21:04:53,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:04:53,027 INFO L495 AbstractCegarLoop]: Abstraction has 10760 states and 14877 transitions. [2022-11-02 21:04:53,028 INFO L496 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) [2022-11-02 21:04:53,028 INFO L276 IsEmpty]: Start isEmpty. Operand 10760 states and 14877 transitions. [2022-11-02 21:04:53,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-11-02 21:04:53,041 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:04:53,041 INFO L195 NwaCegarLoop]: 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] [2022-11-02 21:04:53,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:04:53,042 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-02 21:04:53,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:04:53,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1738075297, now seen corresponding path program 1 times [2022-11-02 21:04:53,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:04:53,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876863077] [2022-11-02 21:04:53,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:04:53,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:04:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:04:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:04:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:04:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:04:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:04:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:04:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:04:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:04:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:04:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:04:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:04:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:04:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:53,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:04:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 21:04:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-02 21:04:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-02 21:04:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-02 21:04:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-02 21:04:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:53,841 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2022-11-02 21:04:53,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:04:53,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876863077] [2022-11-02 21:04:53,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876863077] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:04:53,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:04:53,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:04:53,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700833081] [2022-11-02 21:04:53,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:04:53,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:04:53,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:04:53,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:04:53,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:04:53,846 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) [2022-11-02 21:05:03,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:03,615 INFO L93 Difference]: Finished difference Result 32992 states and 45797 transitions. [2022-11-02 21:05:03,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:05:03,616 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 [2022-11-02 21:05:03,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:05:03,754 INFO L225 Difference]: With dead ends: 32992 [2022-11-02 21:05:03,754 INFO L226 Difference]: Without dead ends: 22265 [2022-11-02 21:05:03,807 INFO L412 NwaCegarLoop]: 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 [2022-11-02 21:05:03,808 INFO L413 NwaCegarLoop]: 4539 mSDtfsCounter, 4738 mSDsluCounter, 4138 mSDsCounter, 0 mSdLazyCounter, 3107 mSolverCounterSat, 2082 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5435 SdHoareTripleChecker+Valid, 8677 SdHoareTripleChecker+Invalid, 5189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2082 IncrementalHoareTripleChecker+Valid, 3107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-02 21:05:03,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5435 Valid, 8677 Invalid, 5189 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2082 Valid, 3107 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-11-02 21:05:03,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22265 states. [2022-11-02 21:05:04,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22265 to 21314. [2022-11-02 21:05:04,983 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) [2022-11-02 21:05:05,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21314 states to 21314 states and 29531 transitions. [2022-11-02 21:05:05,094 INFO L78 Accepts]: Start accepts. Automaton has 21314 states and 29531 transitions. Word has length 196 [2022-11-02 21:05:05,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:05:05,096 INFO L495 AbstractCegarLoop]: Abstraction has 21314 states and 29531 transitions. [2022-11-02 21:05:05,096 INFO L496 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) [2022-11-02 21:05:05,096 INFO L276 IsEmpty]: Start isEmpty. Operand 21314 states and 29531 transitions. [2022-11-02 21:05:05,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-11-02 21:05:05,103 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:05,103 INFO L195 NwaCegarLoop]: 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] [2022-11-02 21:05:05,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 21:05:05,104 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-02 21:05:05,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:05,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1468045676, now seen corresponding path program 1 times [2022-11-02 21:05:05,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:05,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700592917] [2022-11-02 21:05:05,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:05,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:05:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:05:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:05:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:05:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:05:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:05,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:05:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:05:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:05:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:05:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:05:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:05:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:05:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:05:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 21:05:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-02 21:05:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-02 21:05:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-02 21:05:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-02 21:05:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,760 INFO L134 CoverageAnalysis]: Checked inductivity of 913 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2022-11-02 21:05:05,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:05,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700592917] [2022-11-02 21:05:05,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700592917] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:05,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:05,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:05:05,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165210380] [2022-11-02 21:05:05,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:05,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:05:05,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:05,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:05:05,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:05:05,763 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) [2022-11-02 21:05:16,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:16,008 INFO L93 Difference]: Finished difference Result 49311 states and 68420 transitions. [2022-11-02 21:05:16,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:05:16,009 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 [2022-11-02 21:05:16,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:05:16,190 INFO L225 Difference]: With dead ends: 49311 [2022-11-02 21:05:16,190 INFO L226 Difference]: Without dead ends: 28030 [2022-11-02 21:05:16,283 INFO L412 NwaCegarLoop]: 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 [2022-11-02 21:05:16,286 INFO L413 NwaCegarLoop]: 4310 mSDtfsCounter, 4761 mSDsluCounter, 4006 mSDsCounter, 0 mSdLazyCounter, 3113 mSolverCounterSat, 2138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5470 SdHoareTripleChecker+Valid, 8316 SdHoareTripleChecker+Invalid, 5251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2138 IncrementalHoareTripleChecker+Valid, 3113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-02 21:05:16,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5470 Valid, 8316 Invalid, 5251 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2138 Valid, 3113 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2022-11-02 21:05:16,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28030 states. [2022-11-02 21:05:17,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28030 to 26845. [2022-11-02 21:05:17,860 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) [2022-11-02 21:05:18,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26845 states to 26845 states and 37150 transitions. [2022-11-02 21:05:18,008 INFO L78 Accepts]: Start accepts. Automaton has 26845 states and 37150 transitions. Word has length 204 [2022-11-02 21:05:18,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:05:18,009 INFO L495 AbstractCegarLoop]: Abstraction has 26845 states and 37150 transitions. [2022-11-02 21:05:18,009 INFO L496 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) [2022-11-02 21:05:18,009 INFO L276 IsEmpty]: Start isEmpty. Operand 26845 states and 37150 transitions. [2022-11-02 21:05:18,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-11-02 21:05:18,014 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:18,015 INFO L195 NwaCegarLoop]: 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] [2022-11-02 21:05:18,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 21:05:18,015 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-02 21:05:18,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:18,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1097800989, now seen corresponding path program 1 times [2022-11-02 21:05:18,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:18,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127998932] [2022-11-02 21:05:18,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:18,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:05:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:05:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:18,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:05:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:05:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:05:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:05:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:05:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:05:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:05:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:05:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:05:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:05:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:05:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 21:05:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-02 21:05:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-02 21:05:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-02 21:05:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:18,681 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2022-11-02 21:05:18,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:18,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127998932] [2022-11-02 21:05:18,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127998932] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:18,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:18,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:05:18,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412584577] [2022-11-02 21:05:18,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:18,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:05:18,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:18,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:05:18,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:05:18,684 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) [2022-11-02 21:05:28,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:28,406 INFO L93 Difference]: Finished difference Result 72629 states and 100398 transitions. [2022-11-02 21:05:28,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:05:28,410 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 [2022-11-02 21:05:28,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:05:28,687 INFO L225 Difference]: With dead ends: 72629 [2022-11-02 21:05:28,687 INFO L226 Difference]: Without dead ends: 45817 [2022-11-02 21:05:28,977 INFO L412 NwaCegarLoop]: 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 [2022-11-02 21:05:28,977 INFO L413 NwaCegarLoop]: 4049 mSDtfsCounter, 3596 mSDsluCounter, 3868 mSDsCounter, 0 mSdLazyCounter, 2965 mSolverCounterSat, 1843 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4123 SdHoareTripleChecker+Valid, 7917 SdHoareTripleChecker+Invalid, 4808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1843 IncrementalHoareTripleChecker+Valid, 2965 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-02 21:05:28,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4123 Valid, 7917 Invalid, 4808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1843 Valid, 2965 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-11-02 21:05:29,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45817 states. [2022-11-02 21:05:31,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45817 to 44033. [2022-11-02 21:05:31,536 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) [2022-11-02 21:05:31,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44033 states to 44033 states and 60594 transitions. [2022-11-02 21:05:31,766 INFO L78 Accepts]: Start accepts. Automaton has 44033 states and 60594 transitions. Word has length 209 [2022-11-02 21:05:31,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:05:31,767 INFO L495 AbstractCegarLoop]: Abstraction has 44033 states and 60594 transitions. [2022-11-02 21:05:31,767 INFO L496 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) [2022-11-02 21:05:31,767 INFO L276 IsEmpty]: Start isEmpty. Operand 44033 states and 60594 transitions. [2022-11-02 21:05:31,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-11-02 21:05:31,773 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:31,773 INFO L195 NwaCegarLoop]: 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] [2022-11-02 21:05:31,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 21:05:31,774 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-02 21:05:31,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:31,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1609837398, now seen corresponding path program 1 times [2022-11-02 21:05:31,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:31,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582177076] [2022-11-02 21:05:31,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:31,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:05:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:05:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:05:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:05:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:05:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:05:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:05:32,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:05:32,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:05:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:05:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:05:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:05:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:05:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 21:05:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-02 21:05:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-02 21:05:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 21:05:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-02 21:05:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-02 21:05:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-02 21:05:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-02 21:05:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-02 21:05:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2022-11-02 21:05:32,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:32,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582177076] [2022-11-02 21:05:32,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582177076] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:32,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:32,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:05:32,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232788864] [2022-11-02 21:05:32,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:32,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:05:32,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:32,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:05:32,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:05:32,869 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) [2022-11-02 21:05:45,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:45,068 INFO L93 Difference]: Finished difference Result 116976 states and 161390 transitions. [2022-11-02 21:05:45,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:05:45,069 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 [2022-11-02 21:05:45,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:05:45,455 INFO L225 Difference]: With dead ends: 116976 [2022-11-02 21:05:45,456 INFO L226 Difference]: Without dead ends: 81551 [2022-11-02 21:05:45,602 INFO L412 NwaCegarLoop]: 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 [2022-11-02 21:05:45,602 INFO L413 NwaCegarLoop]: 7208 mSDtfsCounter, 3856 mSDsluCounter, 5439 mSDsCounter, 0 mSdLazyCounter, 3184 mSolverCounterSat, 1349 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4552 SdHoareTripleChecker+Valid, 12647 SdHoareTripleChecker+Invalid, 4533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1349 IncrementalHoareTripleChecker+Valid, 3184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-02 21:05:45,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4552 Valid, 12647 Invalid, 4533 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1349 Valid, 3184 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2022-11-02 21:05:45,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81551 states. [2022-11-02 21:05:49,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81551 to 78419. [2022-11-02 21:05:49,739 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) [2022-11-02 21:05:50,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78419 states to 78419 states and 107908 transitions. [2022-11-02 21:05:50,602 INFO L78 Accepts]: Start accepts. Automaton has 78419 states and 107908 transitions. Word has length 238 [2022-11-02 21:05:50,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:05:50,603 INFO L495 AbstractCegarLoop]: Abstraction has 78419 states and 107908 transitions. [2022-11-02 21:05:50,603 INFO L496 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) [2022-11-02 21:05:50,603 INFO L276 IsEmpty]: Start isEmpty. Operand 78419 states and 107908 transitions. [2022-11-02 21:05:50,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-11-02 21:05:50,609 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:50,610 INFO L195 NwaCegarLoop]: 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] [2022-11-02 21:05:50,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 21:05:50,610 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-02 21:05:50,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:50,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1750386008, now seen corresponding path program 1 times [2022-11-02 21:05:50,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:50,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840944752] [2022-11-02 21:05:50,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:50,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:05:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:05:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:05:51,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:05:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:05:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:05:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:05:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:05:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:05:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:05:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:05:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:05:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:05:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 21:05:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-02 21:05:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-02 21:05:51,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 21:05:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-02 21:05:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-02 21:05:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-02 21:05:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-02 21:05:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-02 21:05:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1039 trivial. 0 not checked. [2022-11-02 21:05:51,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:51,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840944752] [2022-11-02 21:05:51,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840944752] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:51,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:51,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:05:51,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896994864] [2022-11-02 21:05:51,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:51,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:05:51,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:51,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:05:51,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:05:51,996 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) [2022-11-02 21:06:02,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:06:02,449 INFO L93 Difference]: Finished difference Result 81551 states and 112564 transitions. [2022-11-02 21:06:02,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:06:02,450 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 [2022-11-02 21:06:02,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:06:02,790 INFO L225 Difference]: With dead ends: 81551 [2022-11-02 21:06:02,792 INFO L226 Difference]: Without dead ends: 81549 [2022-11-02 21:06:02,827 INFO L412 NwaCegarLoop]: 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 [2022-11-02 21:06:02,829 INFO L413 NwaCegarLoop]: 3675 mSDtfsCounter, 3931 mSDsluCounter, 6309 mSDsCounter, 0 mSdLazyCounter, 3913 mSolverCounterSat, 1392 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4438 SdHoareTripleChecker+Valid, 9984 SdHoareTripleChecker+Invalid, 5305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1392 IncrementalHoareTripleChecker+Valid, 3913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-11-02 21:06:02,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4438 Valid, 9984 Invalid, 5305 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1392 Valid, 3913 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2022-11-02 21:06:02,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81549 states. [2022-11-02 21:06:06,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81549 to 78423. [2022-11-02 21:06:06,361 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) [2022-11-02 21:06:07,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78423 states to 78423 states and 107911 transitions. [2022-11-02 21:06:07,114 INFO L78 Accepts]: Start accepts. Automaton has 78423 states and 107911 transitions. Word has length 238 [2022-11-02 21:06:07,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:06:07,115 INFO L495 AbstractCegarLoop]: Abstraction has 78423 states and 107911 transitions. [2022-11-02 21:06:07,115 INFO L496 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) [2022-11-02 21:06:07,116 INFO L276 IsEmpty]: Start isEmpty. Operand 78423 states and 107911 transitions. [2022-11-02 21:06:07,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-11-02 21:06:07,137 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:06:07,138 INFO L195 NwaCegarLoop]: 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] [2022-11-02 21:06:07,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 21:06:07,138 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-02 21:06:07,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:07,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1646136858, now seen corresponding path program 1 times [2022-11-02 21:06:07,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:07,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972387754] [2022-11-02 21:06:07,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:07,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:07,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:06:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:07,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:07,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:06:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:07,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:07,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:06:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:07,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:07,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:06:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:07,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:07,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:06:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:07,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:07,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:06:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:07,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:07,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:06:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:07,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:07,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:06:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:07,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:07,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:06:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:07,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:06:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:06:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:06:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:06:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 21:06:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-02 21:06:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-02 21:06:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 21:06:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-02 21:06:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-02 21:06:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-02 21:06:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-02 21:06:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-02 21:06:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-02 21:06:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1039 trivial. 0 not checked. [2022-11-02 21:06:08,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:06:08,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972387754] [2022-11-02 21:06:08,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972387754] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:08,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:08,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:06:08,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451198060] [2022-11-02 21:06:08,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:08,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:06:08,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:06:08,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:06:08,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:06:08,228 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) [2022-11-02 21:06:19,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:06:19,137 INFO L93 Difference]: Finished difference Result 81555 states and 112567 transitions. [2022-11-02 21:06:19,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:06:19,139 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 [2022-11-02 21:06:19,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:06:19,419 INFO L225 Difference]: With dead ends: 81555 [2022-11-02 21:06:19,419 INFO L226 Difference]: Without dead ends: 81553 [2022-11-02 21:06:19,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:06:19,444 INFO L413 NwaCegarLoop]: 3678 mSDtfsCounter, 3923 mSDsluCounter, 6309 mSDsCounter, 0 mSdLazyCounter, 3913 mSolverCounterSat, 1391 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4430 SdHoareTripleChecker+Valid, 9987 SdHoareTripleChecker+Invalid, 5304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1391 IncrementalHoareTripleChecker+Valid, 3913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-11-02 21:06:19,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4430 Valid, 9987 Invalid, 5304 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1391 Valid, 3913 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-11-02 21:06:19,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81553 states. [2022-11-02 21:06:23,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81553 to 78427. [2022-11-02 21:06:23,259 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) [2022-11-02 21:06:23,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78427 states to 78427 states and 107914 transitions. [2022-11-02 21:06:23,837 INFO L78 Accepts]: Start accepts. Automaton has 78427 states and 107914 transitions. Word has length 243 [2022-11-02 21:06:23,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:06:23,838 INFO L495 AbstractCegarLoop]: Abstraction has 78427 states and 107914 transitions. [2022-11-02 21:06:23,838 INFO L496 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) [2022-11-02 21:06:23,839 INFO L276 IsEmpty]: Start isEmpty. Operand 78427 states and 107914 transitions. [2022-11-02 21:06:23,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-11-02 21:06:23,850 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:06:23,850 INFO L195 NwaCegarLoop]: 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] [2022-11-02 21:06:23,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 21:06:23,850 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-02 21:06:23,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:23,851 INFO L85 PathProgramCache]: Analyzing trace with hash -534936104, now seen corresponding path program 1 times [2022-11-02 21:06:23,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:23,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049880640] [2022-11-02 21:06:23,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:23,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:06:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:06:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:06:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:06:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:06:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:06:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:06:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:06:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:06:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:06:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:06:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:06:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:06:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 21:06:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:24,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-02 21:06:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-02 21:06:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 21:06:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:25,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-02 21:06:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:25,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-02 21:06:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:25,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:25,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-02 21:06:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:25,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-02 21:06:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:25,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-02 21:06:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:25,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-02 21:06:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:25,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-02 21:06:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:25,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1047 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1043 trivial. 0 not checked. [2022-11-02 21:06:25,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:06:25,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049880640] [2022-11-02 21:06:25,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049880640] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:25,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:25,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:06:25,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724527882] [2022-11-02 21:06:25,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:25,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:06:25,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:06:25,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:06:25,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:06:25,117 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) [2022-11-02 21:06:35,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:06:35,638 INFO L93 Difference]: Finished difference Result 81559 states and 112570 transitions. [2022-11-02 21:06:35,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:06:35,640 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 [2022-11-02 21:06:35,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:06:35,910 INFO L225 Difference]: With dead ends: 81559 [2022-11-02 21:06:35,911 INFO L226 Difference]: Without dead ends: 81557 [2022-11-02 21:06:35,939 INFO L412 NwaCegarLoop]: 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 [2022-11-02 21:06:35,940 INFO L413 NwaCegarLoop]: 3678 mSDtfsCounter, 3923 mSDsluCounter, 6309 mSDsCounter, 0 mSdLazyCounter, 3913 mSolverCounterSat, 1390 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4430 SdHoareTripleChecker+Valid, 9987 SdHoareTripleChecker+Invalid, 5303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1390 IncrementalHoareTripleChecker+Valid, 3913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-02 21:06:35,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4430 Valid, 9987 Invalid, 5303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1390 Valid, 3913 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-11-02 21:06:36,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81557 states.