./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-mutex_drivers-net-netconsole.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda18a5b-00cf-4862-a983-3a53e28997f7/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda18a5b-00cf-4862-a983-3a53e28997f7/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda18a5b-00cf-4862-a983-3a53e28997f7/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda18a5b-00cf-4862-a983-3a53e28997f7/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-netconsole.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda18a5b-00cf-4862-a983-3a53e28997f7/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda18a5b-00cf-4862-a983-3a53e28997f7/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --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 9e72c7fa58ea01140ad4a7c07586ec3973e79c7928d868e897b13e0d3eda02d0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:27:40,637 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:27:40,690 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda18a5b-00cf-4862-a983-3a53e28997f7/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 14:27:40,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:27:40,694 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:27:40,716 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:27:40,716 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:27:40,716 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:27:40,717 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:27:40,717 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:27:40,717 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:27:40,717 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:27:40,717 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:27:40,717 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:27:40,718 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:27:40,718 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:27:40,718 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:27:40,718 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:27:40,718 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:27:40,718 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:27:40,718 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:27:40,718 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:27:40,718 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:27:40,718 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:27:40,719 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:27:40,719 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:27:40,719 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:27:40,719 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:27:40,719 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:27:40,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:27:40,719 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:27:40,719 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:27:40,719 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:27:40,719 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:27:40,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:27:40,720 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:27:40,720 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:27:40,720 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:27:40,720 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:27:40,720 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:27:40,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:27:40,720 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:27:40,721 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:27:40,721 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:27:40,721 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:27:40,721 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_fda18a5b-00cf-4862-a983-3a53e28997f7/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 9e72c7fa58ea01140ad4a7c07586ec3973e79c7928d868e897b13e0d3eda02d0 [2024-12-02 14:27:40,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:27:40,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:27:40,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:27:40,939 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:27:40,939 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:27:40,941 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda18a5b-00cf-4862-a983-3a53e28997f7/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-netconsole.cil.i [2024-12-02 14:27:43,522 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda18a5b-00cf-4862-a983-3a53e28997f7/bin/uautomizer-verify-84ZbGMXZE1/data/6cfac99e8/93c93c706ad345529d469f577239f2ad/FLAG7e5241e44 [2024-12-02 14:27:43,959 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:27:43,960 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda18a5b-00cf-4862-a983-3a53e28997f7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-netconsole.cil.i [2024-12-02 14:27:43,992 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda18a5b-00cf-4862-a983-3a53e28997f7/bin/uautomizer-verify-84ZbGMXZE1/data/6cfac99e8/93c93c706ad345529d469f577239f2ad/FLAG7e5241e44 [2024-12-02 14:27:44,107 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda18a5b-00cf-4862-a983-3a53e28997f7/bin/uautomizer-verify-84ZbGMXZE1/data/6cfac99e8/93c93c706ad345529d469f577239f2ad [2024-12-02 14:27:44,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:27:44,110 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:27:44,111 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:27:44,111 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:27:44,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:27:44,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:27:44" (1/1) ... [2024-12-02 14:27:44,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17f922ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:44, skipping insertion in model container [2024-12-02 14:27:44,115 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:27:44" (1/1) ... [2024-12-02 14:27:44,200 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:27:45,598 WARN L250 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_fda18a5b-00cf-4862-a983-3a53e28997f7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-netconsole.cil.i[311030,311043] [2024-12-02 14:27:45,601 WARN L250 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_fda18a5b-00cf-4862-a983-3a53e28997f7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-netconsole.cil.i[311196,311209] [2024-12-02 14:27:45,601 WARN L250 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_fda18a5b-00cf-4862-a983-3a53e28997f7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-netconsole.cil.i[311360,311373] [2024-12-02 14:27:45,601 WARN L250 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_fda18a5b-00cf-4862-a983-3a53e28997f7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-netconsole.cil.i[311525,311538] [2024-12-02 14:27:45,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:27:45,641 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:27:45,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (*(dev->pcpu_refcnt))); [5224] [2024-12-02 14:27:45,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (*(dev->pcpu_refcnt))); [5227] [2024-12-02 14:27:45,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (*(dev->pcpu_refcnt))); [5230] [2024-12-02 14:27:45,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (*(dev->pcpu_refcnt))); [5233] [2024-12-02 14:27:45,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (*(dev->pcpu_refcnt))); [5264] [2024-12-02 14:27:45,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (*(dev->pcpu_refcnt))); [5267] [2024-12-02 14:27:45,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (*(dev->pcpu_refcnt))); [5270] [2024-12-02 14:27:45,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (*(dev->pcpu_refcnt))); [5273] [2024-12-02 14:27:45,738 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (*(dev->pcpu_refcnt))); [5304] [2024-12-02 14:27:45,738 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (*(dev->pcpu_refcnt))); [5307] [2024-12-02 14:27:45,738 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (*(dev->pcpu_refcnt))); [5310] [2024-12-02 14:27:45,738 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (*(dev->pcpu_refcnt))); [5313] [2024-12-02 14:27:45,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (*(dev->pcpu_refcnt))); [5344] [2024-12-02 14:27:45,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (*(dev->pcpu_refcnt))); [5347] [2024-12-02 14:27:45,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (*(dev->pcpu_refcnt))); [5350] [2024-12-02 14:27:45,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (*(dev->pcpu_refcnt))); [5353] [2024-12-02 14:27:45,826 WARN L250 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_fda18a5b-00cf-4862-a983-3a53e28997f7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-netconsole.cil.i[311030,311043] [2024-12-02 14:27:45,826 WARN L250 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_fda18a5b-00cf-4862-a983-3a53e28997f7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-netconsole.cil.i[311196,311209] [2024-12-02 14:27:45,827 WARN L250 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_fda18a5b-00cf-4862-a983-3a53e28997f7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-netconsole.cil.i[311360,311373] [2024-12-02 14:27:45,827 WARN L250 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_fda18a5b-00cf-4862-a983-3a53e28997f7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-netconsole.cil.i[311525,311538] [2024-12-02 14:27:45,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:27:45,892 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:27:45,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:45 WrapperNode [2024-12-02 14:27:45,893 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:27:45,894 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:27:45,894 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:27:45,894 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:27:45,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:45" (1/1) ... [2024-12-02 14:27:45,944 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:45" (1/1) ... [2024-12-02 14:27:46,054 INFO L138 Inliner]: procedures = 289, calls = 1293, calls flagged for inlining = 164, calls inlined = 154, statements flattened = 3676 [2024-12-02 14:27:46,054 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:27:46,055 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:27:46,055 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:27:46,055 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:27:46,063 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:45" (1/1) ... [2024-12-02 14:27:46,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:45" (1/1) ... [2024-12-02 14:27:46,078 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:45" (1/1) ... [2024-12-02 14:27:46,934 INFO L175 MemorySlicer]: Split 561 memory accesses to 15 slices as follows [2, 10, 1, 3, 4, 2, 6, 8, 8, 4, 2, 22, 474, 6, 9]. 84 percent of accesses are in the largest equivalence class. The 377 initializations are split as follows [2, 10, 1, 3, 0, 2, 0, 8, 8, 4, 0, 0, 339, 0, 0]. The 113 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 21, 91, 0, 0]. [2024-12-02 14:27:46,934 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:45" (1/1) ... [2024-12-02 14:27:46,934 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:45" (1/1) ... [2024-12-02 14:27:47,000 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:45" (1/1) ... [2024-12-02 14:27:47,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:45" (1/1) ... [2024-12-02 14:27:47,018 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:45" (1/1) ... [2024-12-02 14:27:47,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:45" (1/1) ... [2024-12-02 14:27:47,055 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:45" (1/1) ... [2024-12-02 14:27:47,077 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:27:47,078 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:27:47,078 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:27:47,078 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:27:47,079 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:45" (1/1) ... [2024-12-02 14:27:47,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:27:47,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda18a5b-00cf-4862-a983-3a53e28997f7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:27:47,104 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda18a5b-00cf-4862-a983-3a53e28997f7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:27:47,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda18a5b-00cf-4862-a983-3a53e28997f7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:27:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure show_enabled [2024-12-02 14:27:47,127 INFO L138 BoogieDeclarations]: Found implementation of procedure show_enabled [2024-12-02 14:27:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdevice_notifier [2024-12-02 14:27:47,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdevice_notifier [2024-12-02 14:27:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 14:27:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 14:27:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 14:27:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 14:27:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 14:27:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 14:27:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 14:27:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 14:27:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 14:27:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 14:27:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 14:27:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 14:27:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 14:27:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 14:27:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 14:27:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 14:27:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 14:27:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 14:27:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 14:27:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 14:27:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 14:27:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 14:27:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 14:27:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 14:27:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 14:27:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 14:27:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 14:27:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 14:27:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 14:27:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 14:27:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 14:27:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 14:27:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 14:27:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 14:27:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure show_local_mac [2024-12-02 14:27:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure show_local_mac [2024-12-02 14:27:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure netconsole_target_put [2024-12-02 14:27:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure netconsole_target_put [2024-12-02 14:27:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure store_remote_ip [2024-12-02 14:27:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure store_remote_ip [2024-12-02 14:27:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 14:27:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 14:27:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure show_dev_name [2024-12-02 14:27:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure show_dev_name [2024-12-02 14:27:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_notifier [2024-12-02 14:27:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_notifier [2024-12-02 14:27:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure drop_netconsole_target [2024-12-02 14:27:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_netconsole_target [2024-12-02 14:27:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure free_param_target [2024-12-02 14:27:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure free_param_target [2024-12-02 14:27:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 14:27:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 14:27:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 14:27:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 14:27:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 14:27:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 14:27:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 14:27:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 14:27:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 14:27:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 14:27:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 14:27:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 14:27:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 14:27:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 14:27:47,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 14:27:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 14:27:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 14:27:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 14:27:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 14:27:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 14:27:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 14:27:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 14:27:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 14:27:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 14:27:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 14:27:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 14:27:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 14:27:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 14:27:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 14:27:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 14:27:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure netconsole_target_get [2024-12-02 14:27:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure netconsole_target_get [2024-12-02 14:27:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure store_remote_mac [2024-12-02 14:27:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure store_remote_mac [2024-12-02 14:27:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure show_local_ip [2024-12-02 14:27:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure show_local_ip [2024-12-02 14:27:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-12-02 14:27:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-12-02 14:27:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2024-12-02 14:27:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2024-12-02 14:27:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_netconsole_target [2024-12-02 14:27:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_netconsole_target [2024-12-02 14:27:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 14:27:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 14:27:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 14:27:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 14:27:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 14:27:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 14:27:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 14:27:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 14:27:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 14:27:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 14:27:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 14:27:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 14:27:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 14:27:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 14:27:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 14:27:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 14:27:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 14:27:47,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 14:27:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-12-02 14:27:47,134 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-12-02 14:27:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 14:27:47,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 14:27:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2024-12-02 14:27:47,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2024-12-02 14:27:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-12-02 14:27:47,135 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-12-02 14:27:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure netconsole_target_release [2024-12-02 14:27:47,135 INFO L138 BoogieDeclarations]: Found implementation of procedure netconsole_target_release [2024-12-02 14:27:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure netconsole_target_attr_show [2024-12-02 14:27:47,135 INFO L138 BoogieDeclarations]: Found implementation of procedure netconsole_target_attr_show [2024-12-02 14:27:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure make_netconsole_target [2024-12-02 14:27:47,135 INFO L138 BoogieDeclarations]: Found implementation of procedure make_netconsole_target [2024-12-02 14:27:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 14:27:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 14:27:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 14:27:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 14:27:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 14:27:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 14:27:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 14:27:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 14:27:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 14:27:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 14:27:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 14:27:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 14:27:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 14:27:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 14:27:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 14:27:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 14:27:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_cleanup [2024-12-02 14:27:47,136 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_cleanup [2024-12-02 14:27:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 14:27:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 14:27:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_setup [2024-12-02 14:27:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_setup [2024-12-02 14:27:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-12-02 14:27:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-12-02 14:27:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-02 14:27:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-02 14:27:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-12-02 14:27:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-12-02 14:27:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-12-02 14:27:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-12-02 14:27:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure store_remote_port [2024-12-02 14:27:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure store_remote_port [2024-12-02 14:27:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 14:27:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 14:27:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure strnchr [2024-12-02 14:27:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure strnchr [2024-12-02 14:27:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtou16 [2024-12-02 14:27:47,138 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtou16 [2024-12-02 14:27:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 14:27:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 14:27:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 14:27:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 14:27:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 14:27:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 14:27:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 14:27:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 14:27:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 14:27:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 14:27:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 14:27:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 14:27:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 14:27:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 14:27:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 14:27:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-12-02 14:27:47,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-12-02 14:27:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 14:27:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 14:27:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 14:27:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 14:27:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 14:27:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 14:27:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 14:27:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 14:27:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 14:27:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 14:27:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 14:27:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 14:27:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 14:27:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 14:27:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 14:27:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 14:27:47,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 14:27:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 14:27:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 14:27:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 14:27:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 14:27:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 14:27:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 14:27:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 14:27:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 14:27:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 14:27:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 14:27:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 14:27:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 14:27:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 14:27:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 14:27:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 14:27:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-12-02 14:27:47,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-12-02 14:27:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure store_enabled [2024-12-02 14:27:47,140 INFO L138 BoogieDeclarations]: Found implementation of procedure store_enabled [2024-12-02 14:27:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure show_remote_ip [2024-12-02 14:27:47,140 INFO L138 BoogieDeclarations]: Found implementation of procedure show_remote_ip [2024-12-02 14:27:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2024-12-02 14:27:47,141 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2024-12-02 14:27:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_cleanup_netconsole_14_2 [2024-12-02 14:27:47,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_cleanup_netconsole_14_2 [2024-12-02 14:27:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 14:27:47,141 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 14:27:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure to_target [2024-12-02 14:27:47,141 INFO L138 BoogieDeclarations]: Found implementation of procedure to_target [2024-12-02 14:27:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-12-02 14:27:47,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-12-02 14:27:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure config_item_put [2024-12-02 14:27:47,141 INFO L138 BoogieDeclarations]: Found implementation of procedure config_item_put [2024-12-02 14:27:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 14:27:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 14:27:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 14:27:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 14:27:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 14:27:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 14:27:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 14:27:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 14:27:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 14:27:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 14:27:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 14:27:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 14:27:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 14:27:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 14:27:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 14:27:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure show_remote_mac [2024-12-02 14:27:47,142 INFO L138 BoogieDeclarations]: Found implementation of procedure show_remote_mac [2024-12-02 14:27:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure in6_pton [2024-12-02 14:27:47,142 INFO L138 BoogieDeclarations]: Found implementation of procedure in6_pton [2024-12-02 14:27:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 14:27:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 14:27:47,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 14:27:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:27:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 14:27:47,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 14:27:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 14:27:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 14:27:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 14:27:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 14:27:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 14:27:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 14:27:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 14:27:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 14:27:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 14:27:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 14:27:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 14:27:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 14:27:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 14:27:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 14:27:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 14:27:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-12-02 14:27:47,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-12-02 14:27:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure store_local_ip [2024-12-02 14:27:47,143 INFO L138 BoogieDeclarations]: Found implementation of procedure store_local_ip [2024-12-02 14:27:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure in_aton [2024-12-02 14:27:47,143 INFO L138 BoogieDeclarations]: Found implementation of procedure in_aton [2024-12-02 14:27:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 14:27:47,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 14:27:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-12-02 14:27:47,144 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-12-02 14:27:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure store_dev_name [2024-12-02 14:27:47,144 INFO L138 BoogieDeclarations]: Found implementation of procedure store_dev_name [2024-12-02 14:27:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure show_remote_port [2024-12-02 14:27:47,144 INFO L138 BoogieDeclarations]: Found implementation of procedure show_remote_port [2024-12-02 14:27:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure netconsole_target_attr_store [2024-12-02 14:27:47,144 INFO L138 BoogieDeclarations]: Found implementation of procedure netconsole_target_attr_store [2024-12-02 14:27:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:27:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 14:27:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 14:27:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 14:27:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 14:27:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 14:27:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 14:27:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 14:27:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 14:27:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 14:27:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 14:27:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 14:27:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 14:27:47,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 14:27:47,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 14:27:47,145 INFO L130 BoogieDeclarations]: Found specification of procedure store_local_port [2024-12-02 14:27:47,145 INFO L138 BoogieDeclarations]: Found implementation of procedure store_local_port [2024-12-02 14:27:47,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 14:27:47,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 14:27:47,145 INFO L130 BoogieDeclarations]: Found specification of procedure config_item_name [2024-12-02 14:27:47,145 INFO L138 BoogieDeclarations]: Found implementation of procedure config_item_name [2024-12-02 14:27:47,145 INFO L130 BoogieDeclarations]: Found specification of procedure show_local_port [2024-12-02 14:27:47,145 INFO L138 BoogieDeclarations]: Found implementation of procedure show_local_port [2024-12-02 14:27:47,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:27:47,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:27:47,839 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:27:47,842 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:27:47,890 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 14:27:55,302 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 14:27:56,375 INFO L? ?]: Removed 1520 outVars from TransFormulas that were not future-live. [2024-12-02 14:27:56,375 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:27:56,405 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:27:56,405 INFO L312 CfgBuilder]: Removed 15 assume(true) statements. [2024-12-02 14:27:56,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:27:56 BoogieIcfgContainer [2024-12-02 14:27:56,406 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:27:56,407 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:27:56,407 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:27:56,412 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:27:56,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:27:44" (1/3) ... [2024-12-02 14:27:56,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f5d1495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:27:56, skipping insertion in model container [2024-12-02 14:27:56,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:45" (2/3) ... [2024-12-02 14:27:56,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f5d1495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:27:56, skipping insertion in model container [2024-12-02 14:27:56,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:27:56" (3/3) ... [2024-12-02 14:27:56,414 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-netconsole.cil.i [2024-12-02 14:27:56,428 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:27:56,431 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-netconsole.cil.i that has 80 procedures, 1476 locations, 1 initial locations, 27 loop locations, and 3 error locations. [2024-12-02 14:27:56,514 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:27:56,525 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@1f29d6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:27:56,525 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-02 14:27:56,531 INFO L276 IsEmpty]: Start isEmpty. Operand has 1418 states, 942 states have (on average 1.2664543524416136) internal successors, (1193), 955 states have internal predecessors, (1193), 409 states have call successors, (409), 65 states have call predecessors, (409), 64 states have return successors, (404), 401 states have call predecessors, (404), 404 states have call successors, (404) [2024-12-02 14:27:56,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 843 [2024-12-02 14:27:56,572 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:27:56,573 INFO L218 NwaCegarLoop]: trace histogram [75, 75, 74, 74, 74, 74, 74, 74, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:27:56,573 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:27:56,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:27:56,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1684232315, now seen corresponding path program 1 times [2024-12-02 14:27:56,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:27:56,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942028124] [2024-12-02 14:27:56,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:27:56,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:27:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:27:58,510 INFO L134 CoverageAnalysis]: Checked inductivity of 24531 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24531 trivial. 0 not checked. [2024-12-02 14:27:58,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:27:58,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942028124] [2024-12-02 14:27:58,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942028124] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:27:58,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:27:58,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:27:58,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216786624] [2024-12-02 14:27:58,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:27:58,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:27:58,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:27:58,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:27:58,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:27:58,536 INFO L87 Difference]: Start difference. First operand has 1418 states, 942 states have (on average 1.2664543524416136) internal successors, (1193), 955 states have internal predecessors, (1193), 409 states have call successors, (409), 65 states have call predecessors, (409), 64 states have return successors, (404), 401 states have call predecessors, (404), 404 states have call successors, (404) Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (79), 2 states have call predecessors, (79), 1 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2024-12-02 14:28:02,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:28:02,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:28:02,860 INFO L93 Difference]: Finished difference Result 3718 states and 5268 transitions. [2024-12-02 14:28:02,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:28:02,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (79), 2 states have call predecessors, (79), 1 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) Word has length 842 [2024-12-02 14:28:02,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:28:02,889 INFO L225 Difference]: With dead ends: 3718 [2024-12-02 14:28:02,889 INFO L226 Difference]: Without dead ends: 2444 [2024-12-02 14:28:02,898 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:28:02,900 INFO L435 NwaCegarLoop]: 1968 mSDtfsCounter, 1614 mSDsluCounter, 1795 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1614 SdHoareTripleChecker+Valid, 3763 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:28:02,901 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1614 Valid, 3763 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 14:28:02,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2444 states. [2024-12-02 14:28:03,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2444 to 2440. [2024-12-02 14:28:03,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2440 states, 1641 states have (on average 1.2614259597806217) internal successors, (2070), 1657 states have internal predecessors, (2070), 675 states have call successors, (675), 122 states have call predecessors, (675), 121 states have return successors, (671), 671 states have call predecessors, (671), 671 states have call successors, (671) [2024-12-02 14:28:03,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2440 states to 2440 states and 3416 transitions. [2024-12-02 14:28:03,080 INFO L78 Accepts]: Start accepts. Automaton has 2440 states and 3416 transitions. Word has length 842 [2024-12-02 14:28:03,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:28:03,083 INFO L471 AbstractCegarLoop]: Abstraction has 2440 states and 3416 transitions. [2024-12-02 14:28:03,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (79), 2 states have call predecessors, (79), 1 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2024-12-02 14:28:03,084 INFO L276 IsEmpty]: Start isEmpty. Operand 2440 states and 3416 transitions. [2024-12-02 14:28:03,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 878 [2024-12-02 14:28:03,108 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:28:03,108 INFO L218 NwaCegarLoop]: trace histogram [75, 75, 74, 74, 74, 74, 74, 74, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:28:03,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 14:28:03,109 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:28:03,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:28:03,110 INFO L85 PathProgramCache]: Analyzing trace with hash 888209049, now seen corresponding path program 1 times [2024-12-02 14:28:03,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:28:03,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163062633] [2024-12-02 14:28:03,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:28:03,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:28:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:28:04,687 INFO L134 CoverageAnalysis]: Checked inductivity of 24535 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24535 trivial. 0 not checked. [2024-12-02 14:28:04,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:28:04,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163062633] [2024-12-02 14:28:04,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163062633] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:28:04,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:28:04,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:28:04,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197937987] [2024-12-02 14:28:04,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:28:04,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:28:04,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:28:04,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:28:04,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:28:04,691 INFO L87 Difference]: Start difference. First operand 2440 states and 3416 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) [2024-12-02 14:28:08,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:28:09,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:28:09,025 INFO L93 Difference]: Finished difference Result 5945 states and 8247 transitions. [2024-12-02 14:28:09,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:28:09,026 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) Word has length 877 [2024-12-02 14:28:09,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:28:09,047 INFO L225 Difference]: With dead ends: 5945 [2024-12-02 14:28:09,047 INFO L226 Difference]: Without dead ends: 3658 [2024-12-02 14:28:09,055 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:28:09,056 INFO L435 NwaCegarLoop]: 1953 mSDtfsCounter, 1607 mSDsluCounter, 1892 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1607 SdHoareTripleChecker+Valid, 3845 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:28:09,056 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1607 Valid, 3845 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 40 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 14:28:09,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3658 states. [2024-12-02 14:28:09,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3658 to 3635. [2024-12-02 14:28:09,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3635 states, 2457 states have (on average 1.258038258038258) internal successors, (3091), 2484 states have internal predecessors, (3091), 969 states have call successors, (969), 207 states have call predecessors, (969), 206 states have return successors, (965), 960 states have call predecessors, (965), 965 states have call successors, (965) [2024-12-02 14:28:09,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3635 states to 3635 states and 5025 transitions. [2024-12-02 14:28:09,189 INFO L78 Accepts]: Start accepts. Automaton has 3635 states and 5025 transitions. Word has length 877 [2024-12-02 14:28:09,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:28:09,190 INFO L471 AbstractCegarLoop]: Abstraction has 3635 states and 5025 transitions. [2024-12-02 14:28:09,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) [2024-12-02 14:28:09,190 INFO L276 IsEmpty]: Start isEmpty. Operand 3635 states and 5025 transitions. [2024-12-02 14:28:09,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 879 [2024-12-02 14:28:09,198 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:28:09,199 INFO L218 NwaCegarLoop]: trace histogram [75, 75, 74, 74, 74, 74, 74, 74, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:28:09,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:28:09,199 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:28:09,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:28:09,199 INFO L85 PathProgramCache]: Analyzing trace with hash 661941389, now seen corresponding path program 1 times [2024-12-02 14:28:09,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:28:09,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448017785] [2024-12-02 14:28:09,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:28:09,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:28:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:28:10,068 INFO L134 CoverageAnalysis]: Checked inductivity of 24535 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24535 trivial. 0 not checked. [2024-12-02 14:28:10,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:28:10,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448017785] [2024-12-02 14:28:10,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448017785] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:28:10,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:28:10,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:28:10,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491841390] [2024-12-02 14:28:10,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:28:10,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:28:10,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:28:10,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:28:10,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:28:10,071 INFO L87 Difference]: Start difference. First operand 3635 states and 5025 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) [2024-12-02 14:28:14,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:28:14,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:28:14,377 INFO L93 Difference]: Finished difference Result 9532 states and 13081 transitions. [2024-12-02 14:28:14,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:28:14,378 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) Word has length 878 [2024-12-02 14:28:14,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:28:14,408 INFO L225 Difference]: With dead ends: 9532 [2024-12-02 14:28:14,408 INFO L226 Difference]: Without dead ends: 6050 [2024-12-02 14:28:14,443 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:28:14,444 INFO L435 NwaCegarLoop]: 1989 mSDtfsCounter, 1607 mSDsluCounter, 1893 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1607 SdHoareTripleChecker+Valid, 3882 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:28:14,444 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1607 Valid, 3882 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 40 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 14:28:14,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6050 states. [2024-12-02 14:28:14,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6050 to 6025. [2024-12-02 14:28:14,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6025 states, 4089 states have (on average 1.2553191489361701) internal successors, (5133), 4138 states have internal predecessors, (5133), 1557 states have call successors, (1557), 377 states have call predecessors, (1557), 376 states have return successors, (1553), 1538 states have call predecessors, (1553), 1553 states have call successors, (1553) [2024-12-02 14:28:14,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6025 states to 6025 states and 8243 transitions. [2024-12-02 14:28:14,644 INFO L78 Accepts]: Start accepts. Automaton has 6025 states and 8243 transitions. Word has length 878 [2024-12-02 14:28:14,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:28:14,645 INFO L471 AbstractCegarLoop]: Abstraction has 6025 states and 8243 transitions. [2024-12-02 14:28:14,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) [2024-12-02 14:28:14,645 INFO L276 IsEmpty]: Start isEmpty. Operand 6025 states and 8243 transitions. [2024-12-02 14:28:14,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 880 [2024-12-02 14:28:14,652 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:28:14,652 INFO L218 NwaCegarLoop]: trace histogram [75, 75, 74, 74, 74, 74, 74, 74, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:28:14,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 14:28:14,652 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:28:14,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:28:14,653 INFO L85 PathProgramCache]: Analyzing trace with hash -906001836, now seen corresponding path program 1 times [2024-12-02 14:28:14,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:28:14,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191275894] [2024-12-02 14:28:14,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:28:14,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:28:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:28:15,503 INFO L134 CoverageAnalysis]: Checked inductivity of 24535 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24535 trivial. 0 not checked. [2024-12-02 14:28:15,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:28:15,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191275894] [2024-12-02 14:28:15,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191275894] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:28:15,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:28:15,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:28:15,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216551211] [2024-12-02 14:28:15,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:28:15,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:28:15,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:28:15,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:28:15,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:28:15,507 INFO L87 Difference]: Start difference. First operand 6025 states and 8243 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) [2024-12-02 14:28:19,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:28:19,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:28:19,882 INFO L93 Difference]: Finished difference Result 16653 states and 22666 transitions. [2024-12-02 14:28:19,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:28:19,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) Word has length 879 [2024-12-02 14:28:19,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:28:19,927 INFO L225 Difference]: With dead ends: 16653 [2024-12-02 14:28:19,927 INFO L226 Difference]: Without dead ends: 10781 [2024-12-02 14:28:19,983 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:28:19,983 INFO L435 NwaCegarLoop]: 2115 mSDtfsCounter, 1607 mSDsluCounter, 1894 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1607 SdHoareTripleChecker+Valid, 4009 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:28:19,984 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1607 Valid, 4009 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 40 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 14:28:19,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10781 states. [2024-12-02 14:28:20,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10781 to 10754. [2024-12-02 14:28:20,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10754 states, 7321 states have (on average 1.2531074989755497) internal successors, (9174), 7414 states have internal predecessors, (9174), 2714 states have call successors, (2714), 717 states have call predecessors, (2714), 716 states have return successors, (2710), 2675 states have call predecessors, (2710), 2710 states have call successors, (2710) [2024-12-02 14:28:20,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10754 states to 10754 states and 14598 transitions. [2024-12-02 14:28:20,515 INFO L78 Accepts]: Start accepts. Automaton has 10754 states and 14598 transitions. Word has length 879 [2024-12-02 14:28:20,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:28:20,517 INFO L471 AbstractCegarLoop]: Abstraction has 10754 states and 14598 transitions. [2024-12-02 14:28:20,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) [2024-12-02 14:28:20,517 INFO L276 IsEmpty]: Start isEmpty. Operand 10754 states and 14598 transitions. [2024-12-02 14:28:20,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 877 [2024-12-02 14:28:20,530 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:28:20,530 INFO L218 NwaCegarLoop]: trace histogram [75, 75, 74, 74, 74, 74, 74, 74, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:28:20,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 14:28:20,530 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:28:20,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:28:20,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1145560462, now seen corresponding path program 1 times [2024-12-02 14:28:20,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:28:20,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672331048] [2024-12-02 14:28:20,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:28:20,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:28:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:28:21,393 INFO L134 CoverageAnalysis]: Checked inductivity of 24535 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24535 trivial. 0 not checked. [2024-12-02 14:28:21,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:28:21,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672331048] [2024-12-02 14:28:21,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672331048] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:28:21,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:28:21,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:28:21,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715316733] [2024-12-02 14:28:21,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:28:21,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:28:21,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:28:21,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:28:21,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:28:21,396 INFO L87 Difference]: Start difference. First operand 10754 states and 14598 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) [2024-12-02 14:28:25,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:28:26,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:28:26,073 INFO L93 Difference]: Finished difference Result 30681 states and 41502 transitions. [2024-12-02 14:28:26,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:28:26,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) Word has length 876 [2024-12-02 14:28:26,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:28:26,177 INFO L225 Difference]: With dead ends: 30681 [2024-12-02 14:28:26,177 INFO L226 Difference]: Without dead ends: 20080 [2024-12-02 14:28:26,219 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:28:26,220 INFO L435 NwaCegarLoop]: 2061 mSDtfsCounter, 1607 mSDsluCounter, 1891 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1607 SdHoareTripleChecker+Valid, 3952 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:28:26,220 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1607 Valid, 3952 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 40 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 14:28:26,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20080 states. [2024-12-02 14:28:27,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20080 to 20059. [2024-12-02 14:28:27,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20059 states, 13689 states have (on average 1.2511505588428666) internal successors, (17127), 13870 states have internal predecessors, (17127), 4971 states have call successors, (4971), 1397 states have call predecessors, (4971), 1396 states have return successors, (4967), 4892 states have call predecessors, (4967), 4967 states have call successors, (4967) [2024-12-02 14:28:27,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20059 states to 20059 states and 27065 transitions. [2024-12-02 14:28:27,155 INFO L78 Accepts]: Start accepts. Automaton has 20059 states and 27065 transitions. Word has length 876 [2024-12-02 14:28:27,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:28:27,156 INFO L471 AbstractCegarLoop]: Abstraction has 20059 states and 27065 transitions. [2024-12-02 14:28:27,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) [2024-12-02 14:28:27,157 INFO L276 IsEmpty]: Start isEmpty. Operand 20059 states and 27065 transitions. [2024-12-02 14:28:27,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 876 [2024-12-02 14:28:27,163 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:28:27,163 INFO L218 NwaCegarLoop]: trace histogram [75, 75, 74, 74, 74, 74, 74, 74, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:28:27,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 14:28:27,163 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:28:27,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:28:27,164 INFO L85 PathProgramCache]: Analyzing trace with hash 904185566, now seen corresponding path program 1 times [2024-12-02 14:28:27,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:28:27,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545160613] [2024-12-02 14:28:27,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:28:27,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:28:28,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:28:28,454 INFO L134 CoverageAnalysis]: Checked inductivity of 24535 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24535 trivial. 0 not checked. [2024-12-02 14:28:28,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:28:28,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545160613] [2024-12-02 14:28:28,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545160613] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:28:28,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:28:28,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:28:28,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824266627] [2024-12-02 14:28:28,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:28:28,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:28:28,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:28:28,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:28:28,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:28:28,457 INFO L87 Difference]: Start difference. First operand 20059 states and 27065 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) [2024-12-02 14:28:32,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:28:33,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:28:33,596 INFO L93 Difference]: Finished difference Result 58237 states and 78374 transitions. [2024-12-02 14:28:33,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:28:33,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) Word has length 875 [2024-12-02 14:28:33,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:28:33,773 INFO L225 Difference]: With dead ends: 58237 [2024-12-02 14:28:33,773 INFO L226 Difference]: Without dead ends: 38331 [2024-12-02 14:28:33,834 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:28:33,835 INFO L435 NwaCegarLoop]: 2095 mSDtfsCounter, 1607 mSDsluCounter, 1890 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1607 SdHoareTripleChecker+Valid, 3985 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:28:33,835 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1607 Valid, 3985 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 40 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 14:28:33,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38331 states. [2024-12-02 14:28:35,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38331 to 38312. [2024-12-02 14:28:35,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38312 states, 26201 states have (on average 1.2492652952177399) internal successors, (32732), 26558 states have internal predecessors, (32732), 9352 states have call successors, (9352), 2757 states have call predecessors, (9352), 2756 states have return successors, (9348), 9193 states have call predecessors, (9348), 9348 states have call successors, (9348) [2024-12-02 14:28:35,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38312 states to 38312 states and 51432 transitions. [2024-12-02 14:28:35,484 INFO L78 Accepts]: Start accepts. Automaton has 38312 states and 51432 transitions. Word has length 875 [2024-12-02 14:28:35,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:28:35,485 INFO L471 AbstractCegarLoop]: Abstraction has 38312 states and 51432 transitions. [2024-12-02 14:28:35,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) [2024-12-02 14:28:35,485 INFO L276 IsEmpty]: Start isEmpty. Operand 38312 states and 51432 transitions. [2024-12-02 14:28:35,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 881 [2024-12-02 14:28:35,491 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:28:35,492 INFO L218 NwaCegarLoop]: trace histogram [75, 75, 74, 74, 74, 74, 74, 74, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:28:35,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 14:28:35,492 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:28:35,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:28:35,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1116214616, now seen corresponding path program 1 times [2024-12-02 14:28:35,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:28:35,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142589945] [2024-12-02 14:28:35,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:28:35,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:28:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:28:36,418 INFO L134 CoverageAnalysis]: Checked inductivity of 24535 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24535 trivial. 0 not checked. [2024-12-02 14:28:36,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:28:36,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142589945] [2024-12-02 14:28:36,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142589945] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:28:36,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:28:36,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:28:36,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928470452] [2024-12-02 14:28:36,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:28:36,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:28:36,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:28:36,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:28:36,420 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:28:36,420 INFO L87 Difference]: Start difference. First operand 38312 states and 51432 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) [2024-12-02 14:28:40,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:28:42,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:28:42,245 INFO L93 Difference]: Finished difference Result 112241 states and 150350 transitions. [2024-12-02 14:28:42,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:28:42,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) Word has length 880 [2024-12-02 14:28:42,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:28:42,487 INFO L225 Difference]: With dead ends: 112241 [2024-12-02 14:28:42,488 INFO L226 Difference]: Without dead ends: 74082 [2024-12-02 14:28:42,587 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:28:42,588 INFO L435 NwaCegarLoop]: 2358 mSDtfsCounter, 1607 mSDsluCounter, 1895 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1607 SdHoareTripleChecker+Valid, 4253 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:28:42,588 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1607 Valid, 4253 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 40 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 14:28:42,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74082 states. [2024-12-02 14:28:44,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74082 to 74053. [2024-12-02 14:28:44,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74053 states, 50745 states have (on average 1.2473544191545964) internal successors, (63297), 51454 states have internal predecessors, (63297), 17829 states have call successors, (17829), 5477 states have call predecessors, (17829), 5476 states have return successors, (17825), 17510 states have call predecessors, (17825), 17825 states have call successors, (17825) [2024-12-02 14:28:44,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74053 states to 74053 states and 98951 transitions. [2024-12-02 14:28:44,980 INFO L78 Accepts]: Start accepts. Automaton has 74053 states and 98951 transitions. Word has length 880 [2024-12-02 14:28:44,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:28:44,981 INFO L471 AbstractCegarLoop]: Abstraction has 74053 states and 98951 transitions. [2024-12-02 14:28:44,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) [2024-12-02 14:28:44,981 INFO L276 IsEmpty]: Start isEmpty. Operand 74053 states and 98951 transitions. [2024-12-02 14:28:44,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 883 [2024-12-02 14:28:44,988 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:28:44,988 INFO L218 NwaCegarLoop]: trace histogram [75, 75, 74, 74, 74, 74, 74, 74, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:28:44,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 14:28:44,988 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:28:44,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:28:44,989 INFO L85 PathProgramCache]: Analyzing trace with hash 147168451, now seen corresponding path program 1 times [2024-12-02 14:28:44,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:28:44,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179074813] [2024-12-02 14:28:44,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:28:44,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:28:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:28:46,450 INFO L134 CoverageAnalysis]: Checked inductivity of 24535 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24535 trivial. 0 not checked. [2024-12-02 14:28:46,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:28:46,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179074813] [2024-12-02 14:28:46,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179074813] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:28:46,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:28:46,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:28:46,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252882719] [2024-12-02 14:28:46,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:28:46,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:28:46,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:28:46,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:28:46,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:28:46,454 INFO L87 Difference]: Start difference. First operand 74053 states and 98951 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) [2024-12-02 14:28:50,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:28:54,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:28:54,001 INFO L93 Difference]: Finished difference Result 217887 states and 290560 transitions. [2024-12-02 14:28:54,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:28:54,002 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) Word has length 882 [2024-12-02 14:28:54,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:28:54,566 INFO L225 Difference]: With dead ends: 217887 [2024-12-02 14:28:54,566 INFO L226 Difference]: Without dead ends: 143987 [2024-12-02 14:28:54,866 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:28:54,867 INFO L435 NwaCegarLoop]: 2439 mSDtfsCounter, 1607 mSDsluCounter, 1897 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1607 SdHoareTripleChecker+Valid, 4336 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:28:54,867 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1607 Valid, 4336 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 40 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 14:28:54,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143987 states. [2024-12-02 14:28:59,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143987 to 143954. [2024-12-02 14:28:59,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143954 states, 98841 states have (on average 1.2453738833075343) internal successors, (123094), 100254 states have internal predecessors, (123094), 34194 states have call successors, (34194), 10917 states have call predecessors, (34194), 10916 states have return successors, (34190), 33555 states have call predecessors, (34190), 34190 states have call successors, (34190) [2024-12-02 14:28:59,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143954 states to 143954 states and 191478 transitions. [2024-12-02 14:28:59,780 INFO L78 Accepts]: Start accepts. Automaton has 143954 states and 191478 transitions. Word has length 882 [2024-12-02 14:28:59,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:28:59,781 INFO L471 AbstractCegarLoop]: Abstraction has 143954 states and 191478 transitions. [2024-12-02 14:28:59,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) [2024-12-02 14:28:59,781 INFO L276 IsEmpty]: Start isEmpty. Operand 143954 states and 191478 transitions. [2024-12-02 14:28:59,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 882 [2024-12-02 14:28:59,789 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:28:59,789 INFO L218 NwaCegarLoop]: trace histogram [75, 75, 74, 74, 74, 74, 74, 74, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:28:59,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 14:28:59,790 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:28:59,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:28:59,791 INFO L85 PathProgramCache]: Analyzing trace with hash 2108510735, now seen corresponding path program 1 times [2024-12-02 14:28:59,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:28:59,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189430812] [2024-12-02 14:28:59,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:28:59,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:29:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:29:00,765 INFO L134 CoverageAnalysis]: Checked inductivity of 24535 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24535 trivial. 0 not checked. [2024-12-02 14:29:00,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:29:00,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189430812] [2024-12-02 14:29:00,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189430812] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:29:00,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:29:00,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:29:00,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881094781] [2024-12-02 14:29:00,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:29:00,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:29:00,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:29:00,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:29:00,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:29:00,768 INFO L87 Difference]: Start difference. First operand 143954 states and 191478 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) [2024-12-02 14:29:04,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:29:12,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:29:12,310 INFO L93 Difference]: Finished difference Result 423671 states and 562417 transitions. [2024-12-02 14:29:12,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:29:12,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) Word has length 881 [2024-12-02 14:29:12,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:29:13,249 INFO L225 Difference]: With dead ends: 423671 [2024-12-02 14:29:13,249 INFO L226 Difference]: Without dead ends: 279870 [2024-12-02 14:29:13,596 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:29:13,597 INFO L435 NwaCegarLoop]: 2957 mSDtfsCounter, 1607 mSDsluCounter, 1896 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1607 SdHoareTripleChecker+Valid, 4853 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:29:13,597 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1607 Valid, 4853 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 40 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 14:29:13,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279870 states. [2024-12-02 14:29:23,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279870 to 279839. [2024-12-02 14:29:23,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279839 states, 192542 states have (on average 1.2431781117885967) internal successors, (239364), 195359 states have internal predecessors, (239364), 65565 states have call successors, (65565), 21730 states have call predecessors, (65565), 21729 states have return successors, (65561), 64286 states have call predecessors, (65561), 65561 states have call successors, (65561) [2024-12-02 14:29:24,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279839 states to 279839 states and 370490 transitions. [2024-12-02 14:29:24,761 INFO L78 Accepts]: Start accepts. Automaton has 279839 states and 370490 transitions. Word has length 881 [2024-12-02 14:29:24,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:29:24,763 INFO L471 AbstractCegarLoop]: Abstraction has 279839 states and 370490 transitions. [2024-12-02 14:29:24,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) [2024-12-02 14:29:24,763 INFO L276 IsEmpty]: Start isEmpty. Operand 279839 states and 370490 transitions. [2024-12-02 14:29:24,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 913 [2024-12-02 14:29:24,771 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:29:24,771 INFO L218 NwaCegarLoop]: trace histogram [78, 78, 74, 74, 74, 74, 74, 74, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:29:24,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 14:29:24,771 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:29:24,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:29:24,772 INFO L85 PathProgramCache]: Analyzing trace with hash 242449960, now seen corresponding path program 1 times [2024-12-02 14:29:24,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:29:24,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728528466] [2024-12-02 14:29:24,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:29:24,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:29:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:29:25,984 INFO L134 CoverageAnalysis]: Checked inductivity of 25249 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 25239 trivial. 0 not checked. [2024-12-02 14:29:25,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:29:25,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728528466] [2024-12-02 14:29:25,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728528466] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:29:25,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:29:25,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:29:25,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106825424] [2024-12-02 14:29:25,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:29:25,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:29:25,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:29:25,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:29:25,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:29:25,987 INFO L87 Difference]: Start difference. First operand 279839 states and 370490 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (88), 2 states have call predecessors, (88), 1 states have return successors, (86), 3 states have call predecessors, (86), 3 states have call successors, (86) [2024-12-02 14:29:30,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:29:43,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:29:43,318 INFO L93 Difference]: Finished difference Result 773969 states and 1033091 transitions. [2024-12-02 14:29:43,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:29:43,319 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (88), 2 states have call predecessors, (88), 1 states have return successors, (86), 3 states have call predecessors, (86), 3 states have call successors, (86) Word has length 912 [2024-12-02 14:29:43,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:29:45,340 INFO L225 Difference]: With dead ends: 773969 [2024-12-02 14:29:45,341 INFO L226 Difference]: Without dead ends: 494499 [2024-12-02 14:29:46,000 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:29:46,000 INFO L435 NwaCegarLoop]: 3395 mSDtfsCounter, 1462 mSDsluCounter, 1909 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1462 SdHoareTripleChecker+Valid, 5304 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:29:46,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1462 Valid, 5304 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 14:29:46,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494499 states. [2024-12-02 14:30:02,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494499 to 494495. [2024-12-02 14:30:03,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494495 states, 342811 states have (on average 1.2558581842472967) internal successors, (430522), 346906 states have internal predecessors, (430522), 115657 states have call successors, (115657), 36025 states have call predecessors, (115657), 36024 states have return successors, (115653), 114378 states have call predecessors, (115653), 115653 states have call successors, (115653) [2024-12-02 14:30:05,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494495 states to 494495 states and 661832 transitions. [2024-12-02 14:30:05,494 INFO L78 Accepts]: Start accepts. Automaton has 494495 states and 661832 transitions. Word has length 912 [2024-12-02 14:30:05,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:30:05,494 INFO L471 AbstractCegarLoop]: Abstraction has 494495 states and 661832 transitions. [2024-12-02 14:30:05,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (88), 2 states have call predecessors, (88), 1 states have return successors, (86), 3 states have call predecessors, (86), 3 states have call successors, (86) [2024-12-02 14:30:05,495 INFO L276 IsEmpty]: Start isEmpty. Operand 494495 states and 661832 transitions. [2024-12-02 14:30:05,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 913 [2024-12-02 14:30:05,501 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:30:05,501 INFO L218 NwaCegarLoop]: trace histogram [78, 78, 74, 74, 74, 74, 74, 74, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:30:05,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 14:30:05,502 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:30:05,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:30:05,502 INFO L85 PathProgramCache]: Analyzing trace with hash 382998570, now seen corresponding path program 1 times [2024-12-02 14:30:05,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:30:05,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582230206] [2024-12-02 14:30:05,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:30:05,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:30:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:30:08,182 INFO L134 CoverageAnalysis]: Checked inductivity of 25249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25249 trivial. 0 not checked. [2024-12-02 14:30:08,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:30:08,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582230206] [2024-12-02 14:30:08,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582230206] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:30:08,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:30:08,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:30:08,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919643771] [2024-12-02 14:30:08,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:30:08,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:30:08,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:30:08,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:30:08,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:30:08,185 INFO L87 Difference]: Start difference. First operand 494495 states and 661832 transitions. Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (87), 3 states have call predecessors, (87), 1 states have return successors, (85), 2 states have call predecessors, (85), 2 states have call successors, (85)