./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_fs-binfmt_misc.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_f661d0be-d48d-402e-8b55-fc42c2942109/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f661d0be-d48d-402e-8b55-fc42c2942109/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f661d0be-d48d-402e-8b55-fc42c2942109/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f661d0be-d48d-402e-8b55-fc42c2942109/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f661d0be-d48d-402e-8b55-fc42c2942109/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f661d0be-d48d-402e-8b55-fc42c2942109/bin/uautomizer-verify-aQ6SnzHsRB --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 2c6afaf5bedcc2af934f5b2a4cc6fb91099717aaf97d30d9787d5c01855a1a43 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:28:51,074 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:28:51,169 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f661d0be-d48d-402e-8b55-fc42c2942109/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-27 20:28:51,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:28:51,176 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:28:51,218 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:28:51,218 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:28:51,219 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:28:51,219 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:28:51,219 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:28:51,220 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:28:51,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:28:51,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:28:51,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:28:51,221 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:28:51,221 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:28:51,221 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:28:51,221 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:28:51,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:28:51,221 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:28:51,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:28:51,222 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:28:51,222 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:28:51,222 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:28:51,222 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:28:51,222 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:28:51,223 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:28:51,223 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:28:51,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:28:51,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:28:51,223 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:28:51,223 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:28:51,223 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:28:51,224 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:28:51,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:28:51,224 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:28:51,224 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:28:51,224 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:28:51,224 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:28:51,224 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:28:51,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:28:51,224 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:28:51,224 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:28:51,225 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:28:51,225 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:28:51,225 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_f661d0be-d48d-402e-8b55-fc42c2942109/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 2c6afaf5bedcc2af934f5b2a4cc6fb91099717aaf97d30d9787d5c01855a1a43 [2024-11-27 20:28:51,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:28:51,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:28:51,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:28:51,527 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:28:51,527 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:28:51,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f661d0be-d48d-402e-8b55-fc42c2942109/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2024-11-27 20:28:54,407 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f661d0be-d48d-402e-8b55-fc42c2942109/bin/uautomizer-verify-aQ6SnzHsRB/data/1e753d69a/8181bab4ed8649e486ba35ee46796f95/FLAG805a3fb4b [2024-11-27 20:28:55,096 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:28:55,097 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f661d0be-d48d-402e-8b55-fc42c2942109/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2024-11-27 20:28:55,153 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f661d0be-d48d-402e-8b55-fc42c2942109/bin/uautomizer-verify-aQ6SnzHsRB/data/1e753d69a/8181bab4ed8649e486ba35ee46796f95/FLAG805a3fb4b [2024-11-27 20:28:55,170 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f661d0be-d48d-402e-8b55-fc42c2942109/bin/uautomizer-verify-aQ6SnzHsRB/data/1e753d69a/8181bab4ed8649e486ba35ee46796f95 [2024-11-27 20:28:55,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:28:55,174 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:28:55,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:28:55,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:28:55,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:28:55,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:28:55" (1/1) ... [2024-11-27 20:28:55,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cf66d27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:55, skipping insertion in model container [2024-11-27 20:28:55,186 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:28:55" (1/1) ... [2024-11-27 20:28:55,318 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:28:56,700 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_f661d0be-d48d-402e-8b55-fc42c2942109/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i[193323,193336] [2024-11-27 20:28:56,704 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_f661d0be-d48d-402e-8b55-fc42c2942109/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i[193489,193502] [2024-11-27 20:28:56,709 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_f661d0be-d48d-402e-8b55-fc42c2942109/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i[193653,193666] [2024-11-27 20:28:56,709 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_f661d0be-d48d-402e-8b55-fc42c2942109/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i[193818,193831] [2024-11-27 20:28:56,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:28:56,766 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:28:56,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3689] [2024-11-27 20:28:56,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3696] [2024-11-27 20:28:56,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [3721] [2024-11-27 20:28:57,090 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_f661d0be-d48d-402e-8b55-fc42c2942109/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i[193323,193336] [2024-11-27 20:28:57,092 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_f661d0be-d48d-402e-8b55-fc42c2942109/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i[193489,193502] [2024-11-27 20:28:57,092 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_f661d0be-d48d-402e-8b55-fc42c2942109/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i[193653,193666] [2024-11-27 20:28:57,093 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_f661d0be-d48d-402e-8b55-fc42c2942109/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i[193818,193831] [2024-11-27 20:28:57,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:28:57,199 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:28:57,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:57 WrapperNode [2024-11-27 20:28:57,200 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:28:57,201 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:28:57,202 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:28:57,202 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:28:57,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:57" (1/1) ... [2024-11-27 20:28:57,274 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:57" (1/1) ... [2024-11-27 20:28:57,450 INFO L138 Inliner]: procedures = 240, calls = 995, calls flagged for inlining = 130, calls inlined = 118, statements flattened = 3191 [2024-11-27 20:28:57,451 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:28:57,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:28:57,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:28:57,451 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:28:57,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:57" (1/1) ... [2024-11-27 20:28:57,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:57" (1/1) ... [2024-11-27 20:28:57,498 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:57" (1/1) ... [2024-11-27 20:28:58,325 INFO L175 MemorySlicer]: Split 506 memory accesses to 27 slices as follows [3, 81, 6, 3, 1, 64, 6, 2, 2, 3, 3, 8, 8, 1, 7, 1, 1, 1, 13, 2, 7, 191, 28, 28, 23, 1, 12]. 38 percent of accesses are in the largest equivalence class. The 43 initializations are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 2, 3, 0, 8, 8, 1, 7, 1, 1, 1, 0, 2, 7, 2, 0, 0, 0, 0, 0]. The 285 writes are split as follows [0, 81, 2, 0, 1, 19, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13, 0, 0, 75, 28, 28, 23, 1, 12]. [2024-11-27 20:28:58,329 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:57" (1/1) ... [2024-11-27 20:28:58,329 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:57" (1/1) ... [2024-11-27 20:28:58,425 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:57" (1/1) ... [2024-11-27 20:28:58,433 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:57" (1/1) ... [2024-11-27 20:28:58,445 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:57" (1/1) ... [2024-11-27 20:28:58,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:57" (1/1) ... [2024-11-27 20:28:58,477 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:57" (1/1) ... [2024-11-27 20:28:58,510 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:28:58,511 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:28:58,511 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:28:58,511 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:28:58,512 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:57" (1/1) ... [2024-11-27 20:28:58,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:28:58,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f661d0be-d48d-402e-8b55-fc42c2942109/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:28:58,551 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f661d0be-d48d-402e-8b55-fc42c2942109/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:28:58,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f661d0be-d48d-402e-8b55-fc42c2942109/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:28:58,580 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2024-11-27 20:28:58,580 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2024-11-27 20:28:58,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-27 20:28:58,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-27 20:28:58,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-27 20:28:58,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-27 20:28:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-27 20:28:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-27 20:28:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-27 20:28:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-27 20:28:58,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-27 20:28:58,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-27 20:28:58,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-27 20:28:58,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-27 20:28:58,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-27 20:28:58,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-27 20:28:58,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-27 20:28:58,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-27 20:28:58,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-27 20:28:58,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-27 20:28:58,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-27 20:28:58,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-27 20:28:58,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-27 20:28:58,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-27 20:28:58,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-27 20:28:58,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-27 20:28:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-11-27 20:28:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2024-11-27 20:28:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2024-11-27 20:28:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-27 20:28:58,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-27 20:28:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2024-11-27 20:28:58,587 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2024-11-27 20:28:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2024-11-27 20:28:58,587 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2024-11-27 20:28:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-27 20:28:58,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-27 20:28:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2024-11-27 20:28:58,587 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2024-11-27 20:28:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure copy_strings_kernel [2024-11-27 20:28:58,588 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_strings_kernel [2024-11-27 20:28:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2024-11-27 20:28:58,588 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2024-11-27 20:28:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-27 20:28:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-27 20:28:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-27 20:28:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-27 20:28:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-27 20:28:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-27 20:28:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-27 20:28:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-27 20:28:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-27 20:28:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-27 20:28:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-27 20:28:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-27 20:28:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-27 20:28:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-27 20:28:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-27 20:28:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-27 20:28:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-27 20:28:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-27 20:28:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-27 20:28:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-11-27 20:28:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-11-27 20:28:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-11-27 20:28:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-11-27 20:28:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2024-11-27 20:28:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2024-11-27 20:28:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2024-11-27 20:28:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2024-11-27 20:28:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-27 20:28:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-27 20:28:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-27 20:28:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-27 20:28:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-27 20:28:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-27 20:28:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-27 20:28:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-27 20:28:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-27 20:28:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-27 20:28:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-27 20:28:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-27 20:28:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-27 20:28:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-27 20:28:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-27 20:28:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-27 20:28:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-27 20:28:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-27 20:28:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-27 20:28:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-11-27 20:28:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-11-27 20:28:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-11-27 20:28:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-11-27 20:28:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2024-11-27 20:28:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2024-11-27 20:28:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2024-11-27 20:28:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2024-11-27 20:28:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2024-11-27 20:28:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2024-11-27 20:28:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 20:28:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure kill_node [2024-11-27 20:28:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_node [2024-11-27 20:28:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2024-11-27 20:28:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2024-11-27 20:28:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 20:28:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 20:28:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 20:28:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-27 20:28:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-27 20:28:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-27 20:28:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-27 20:28:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-27 20:28:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-27 20:28:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-27 20:28:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-27 20:28:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-27 20:28:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-27 20:28:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-27 20:28:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-27 20:28:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-27 20:28:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-27 20:28:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-27 20:28:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-27 20:28:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-27 20:28:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-27 20:28:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-27 20:28:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-27 20:28:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-27 20:28:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-27 20:28:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-11-27 20:28:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-11-27 20:28:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-27 20:28:58,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-27 20:28:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure allow_write_access [2024-11-27 20:28:58,599 INFO L138 BoogieDeclarations]: Found implementation of procedure allow_write_access [2024-11-27 20:28:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-27 20:28:58,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-27 20:28:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2024-11-27 20:28:58,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2024-11-27 20:28:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_misc_binfmt_7_2 [2024-11-27 20:28:58,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_misc_binfmt_7_2 [2024-11-27 20:28:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 20:28:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-27 20:28:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-27 20:28:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-27 20:28:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-27 20:28:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-27 20:28:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-27 20:28:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-27 20:28:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-27 20:28:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-27 20:28:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-27 20:28:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-27 20:28:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-27 20:28:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-27 20:28:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-27 20:28:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-27 20:28:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-27 20:28:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-27 20:28:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-27 20:28:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-27 20:28:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-27 20:28:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-27 20:28:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-27 20:28:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-27 20:28:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-27 20:28:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-11-27 20:28:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-11-27 20:28:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-11-27 20:28:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure bm_evict_inode [2024-11-27 20:28:58,601 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_evict_inode [2024-11-27 20:28:58,601 INFO L130 BoogieDeclarations]: Found specification of procedure kill_litter_super [2024-11-27 20:28:58,601 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_litter_super [2024-11-27 20:28:58,601 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2024-11-27 20:28:58,601 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2024-11-27 20:28:58,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-27 20:28:58,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-27 20:28:58,601 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-27 20:28:58,601 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-27 20:28:58,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-27 20:28:58,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-27 20:28:58,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-27 20:28:58,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-27 20:28:58,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-27 20:28:58,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-27 20:28:58,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-27 20:28:58,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-27 20:28:58,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-27 20:28:58,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-27 20:28:58,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-27 20:28:58,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-27 20:28:58,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-27 20:28:58,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-27 20:28:58,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-27 20:28:58,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-27 20:28:58,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-27 20:28:58,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-27 20:28:58,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-27 20:28:58,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-27 20:28:58,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-27 20:28:58,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-27 20:28:58,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-27 20:28:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-27 20:28:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-11-27 20:28:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-11-27 20:28:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-11-27 20:28:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-27 20:28:58,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-27 20:28:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure parse_command [2024-11-27 20:28:58,605 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_command [2024-11-27 20:28:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 20:28:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 20:28:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 20:28:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 20:28:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 20:28:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-27 20:28:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-27 20:28:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-27 20:28:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-27 20:28:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-27 20:28:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-27 20:28:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-27 20:28:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-27 20:28:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-27 20:28:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-27 20:28:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-27 20:28:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-27 20:28:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-27 20:28:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-27 20:28:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-27 20:28:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-27 20:28:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-27 20:28:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-27 20:28:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-27 20:28:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-27 20:28:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-27 20:28:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-27 20:28:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-11-27 20:28:58,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-11-27 20:28:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure bm_register_write [2024-11-27 20:28:58,607 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_register_write [2024-11-27 20:28:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure bm_entry_read [2024-11-27 20:28:58,607 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_entry_read [2024-11-27 20:28:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-27 20:28:58,607 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-27 20:28:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-27 20:28:58,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-27 20:28:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure bm_status_write [2024-11-27 20:28:58,607 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_status_write [2024-11-27 20:28:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-27 20:28:58,608 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-27 20:28:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-11-27 20:28:58,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-11-27 20:28:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 20:28:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 20:28:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 20:28:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 20:28:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-27 20:28:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-27 20:28:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-27 20:28:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-27 20:28:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-27 20:28:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-27 20:28:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-27 20:28:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-27 20:28:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-27 20:28:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-27 20:28:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-27 20:28:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-27 20:28:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-27 20:28:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-27 20:28:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-27 20:28:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-27 20:28:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-27 20:28:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-27 20:28:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-27 20:28:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-27 20:28:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-27 20:28:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-27 20:28:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-27 20:28:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure scanarg [2024-11-27 20:28:58,612 INFO L138 BoogieDeclarations]: Found implementation of procedure scanarg [2024-11-27 20:28:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-27 20:28:58,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-27 20:28:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 20:28:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-27 20:28:58,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-27 20:28:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-27 20:28:58,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-27 20:28:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-11-27 20:28:58,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-11-27 20:28:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2024-11-27 20:28:58,613 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2024-11-27 20:28:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-27 20:28:58,613 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-27 20:28:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure bm_entry_write [2024-11-27 20:28:58,613 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_entry_write [2024-11-27 20:28:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:28:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-27 20:28:58,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-27 20:28:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 20:28:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 20:28:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 20:28:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-27 20:28:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-27 20:28:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-27 20:28:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-27 20:28:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-27 20:28:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-27 20:28:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-27 20:28:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-27 20:28:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-27 20:28:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-27 20:28:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-27 20:28:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-27 20:28:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-27 20:28:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-27 20:28:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-27 20:28:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-27 20:28:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-27 20:28:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-27 20:28:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-27 20:28:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-27 20:28:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-27 20:28:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-27 20:28:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-11-27 20:28:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-11-27 20:28:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure string_unescape_inplace [2024-11-27 20:28:58,614 INFO L138 BoogieDeclarations]: Found implementation of procedure string_unescape_inplace [2024-11-27 20:28:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2024-11-27 20:28:58,614 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2024-11-27 20:28:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-27 20:28:58,614 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-27 20:28:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure bm_status_read [2024-11-27 20:28:58,615 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_status_read [2024-11-27 20:28:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-27 20:28:58,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-27 20:28:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-27 20:28:58,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-27 20:28:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:28:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 20:28:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 20:28:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 20:28:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 20:28:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-27 20:28:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-27 20:28:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-27 20:28:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-27 20:28:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-27 20:28:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-27 20:28:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-27 20:28:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-27 20:28:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-27 20:28:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-27 20:28:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-27 20:28:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-27 20:28:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-27 20:28:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-27 20:28:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-27 20:28:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-27 20:28:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-27 20:28:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-27 20:28:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-27 20:28:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-27 20:28:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-27 20:28:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-27 20:28:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-27 20:28:58,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-27 20:28:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:28:58,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:28:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2024-11-27 20:28:58,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2024-11-27 20:28:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-27 20:28:58,623 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-27 20:28:59,514 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:28:59,517 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:28:59,546 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-27 20:29:09,779 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-27 20:29:10,454 INFO L? ?]: Removed 1331 outVars from TransFormulas that were not future-live. [2024-11-27 20:29:10,454 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:29:10,486 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:29:10,486 INFO L312 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-27 20:29:10,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:29:10 BoogieIcfgContainer [2024-11-27 20:29:10,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:29:10,488 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:29:10,488 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:29:10,493 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:29:10,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:28:55" (1/3) ... [2024-11-27 20:29:10,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c8aaa0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:29:10, skipping insertion in model container [2024-11-27 20:29:10,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:57" (2/3) ... [2024-11-27 20:29:10,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c8aaa0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:29:10, skipping insertion in model container [2024-11-27 20:29:10,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:29:10" (3/3) ... [2024-11-27 20:29:10,495 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2024-11-27 20:29:10,509 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:29:10,514 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i that has 77 procedures, 1156 locations, 1 initial locations, 34 loop locations, and 3 error locations. [2024-11-27 20:29:10,619 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:29:10,632 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;@3fc2375c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:29:10,634 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-27 20:29:10,643 INFO L276 IsEmpty]: Start isEmpty. Operand has 1050 states, 760 states have (on average 1.3289473684210527) internal successors, (1010), 767 states have internal predecessors, (1010), 238 states have call successors, (238), 50 states have call predecessors, (238), 49 states have return successors, (231), 231 states have call predecessors, (231), 231 states have call successors, (231) [2024-11-27 20:29:10,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-27 20:29:10,686 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:10,687 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:10,687 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)] === [2024-11-27 20:29:10,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:10,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1706564976, now seen corresponding path program 1 times [2024-11-27 20:29:10,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:10,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064108304] [2024-11-27 20:29:10,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:10,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:16,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2024-11-27 20:29:16,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:16,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064108304] [2024-11-27 20:29:16,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064108304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:16,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:16,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:29:16,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624194944] [2024-11-27 20:29:16,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:16,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:29:16,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:16,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:29:16,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:29:16,288 INFO L87 Difference]: Start difference. First operand has 1050 states, 760 states have (on average 1.3289473684210527) internal successors, (1010), 767 states have internal predecessors, (1010), 238 states have call successors, (238), 50 states have call predecessors, (238), 49 states have return successors, (231), 231 states have call predecessors, (231), 231 states have call successors, (231) Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-27 20:29:20,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:29:21,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:21,283 INFO L93 Difference]: Finished difference Result 2939 states and 4185 transitions. [2024-11-27 20:29:21,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:29:21,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 294 [2024-11-27 20:29:21,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:21,325 INFO L225 Difference]: With dead ends: 2939 [2024-11-27 20:29:21,325 INFO L226 Difference]: Without dead ends: 1931 [2024-11-27 20:29:21,335 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 [2024-11-27 20:29:21,338 INFO L435 NwaCegarLoop]: 1482 mSDtfsCounter, 1293 mSDsluCounter, 1403 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1293 SdHoareTripleChecker+Valid, 2885 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:21,339 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1293 Valid, 2885 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-27 20:29:21,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1931 states. [2024-11-27 20:29:21,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1931 to 1927. [2024-11-27 20:29:21,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1927 states, 1417 states have (on average 1.3274523641496119) internal successors, (1881), 1430 states have internal predecessors, (1881), 413 states have call successors, (413), 95 states have call predecessors, (413), 94 states have return successors, (409), 409 states have call predecessors, (409), 409 states have call successors, (409) [2024-11-27 20:29:21,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1927 states to 1927 states and 2703 transitions. [2024-11-27 20:29:21,581 INFO L78 Accepts]: Start accepts. Automaton has 1927 states and 2703 transitions. Word has length 294 [2024-11-27 20:29:21,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:21,588 INFO L471 AbstractCegarLoop]: Abstraction has 1927 states and 2703 transitions. [2024-11-27 20:29:21,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-27 20:29:21,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1927 states and 2703 transitions. [2024-11-27 20:29:21,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2024-11-27 20:29:21,603 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:21,604 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 24, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:21,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:29:21,604 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)] === [2024-11-27 20:29:21,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:21,605 INFO L85 PathProgramCache]: Analyzing trace with hash 882687581, now seen corresponding path program 1 times [2024-11-27 20:29:21,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:21,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624460434] [2024-11-27 20:29:21,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:21,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:25,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2607 trivial. 0 not checked. [2024-11-27 20:29:25,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:25,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624460434] [2024-11-27 20:29:25,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624460434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:25,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:25,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:29:25,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357796885] [2024-11-27 20:29:25,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:25,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:29:25,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:25,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:29:25,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:29:25,868 INFO L87 Difference]: Start difference. First operand 1927 states and 2703 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-27 20:29:29,917 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 [] [2024-11-27 20:29:31,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:31,099 INFO L93 Difference]: Finished difference Result 4655 states and 6498 transitions. [2024-11-27 20:29:31,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:29:31,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 363 [2024-11-27 20:29:31,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:31,122 INFO L225 Difference]: With dead ends: 4655 [2024-11-27 20:29:31,122 INFO L226 Difference]: Without dead ends: 2781 [2024-11-27 20:29:31,130 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 [2024-11-27 20:29:31,132 INFO L435 NwaCegarLoop]: 1458 mSDtfsCounter, 1237 mSDsluCounter, 1397 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1237 SdHoareTripleChecker+Valid, 2855 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:31,133 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1237 Valid, 2855 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-11-27 20:29:31,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2781 states. [2024-11-27 20:29:31,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2781 to 2759. [2024-11-27 20:29:31,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2053 states have (on average 1.323429128105212) internal successors, (2717), 2075 states have internal predecessors, (2717), 559 states have call successors, (559), 145 states have call predecessors, (559), 144 states have return successors, (555), 550 states have call predecessors, (555), 555 states have call successors, (555) [2024-11-27 20:29:31,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3831 transitions. [2024-11-27 20:29:31,340 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3831 transitions. Word has length 363 [2024-11-27 20:29:31,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:31,342 INFO L471 AbstractCegarLoop]: Abstraction has 2759 states and 3831 transitions. [2024-11-27 20:29:31,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-27 20:29:31,342 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3831 transitions. [2024-11-27 20:29:31,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2024-11-27 20:29:31,355 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:31,356 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 24, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:31,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:29:31,356 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)] === [2024-11-27 20:29:31,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:31,357 INFO L85 PathProgramCache]: Analyzing trace with hash -27323336, now seen corresponding path program 1 times [2024-11-27 20:29:31,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:31,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314956996] [2024-11-27 20:29:31,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:31,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:35,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2591 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2591 trivial. 0 not checked. [2024-11-27 20:29:35,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:35,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314956996] [2024-11-27 20:29:35,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314956996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:35,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:35,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:29:35,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663882763] [2024-11-27 20:29:35,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:35,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:29:35,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:35,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:29:35,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:29:35,521 INFO L87 Difference]: Start difference. First operand 2759 states and 3831 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-11-27 20:29:39,568 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 [] [2024-11-27 20:29:40,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:40,686 INFO L93 Difference]: Finished difference Result 6564 states and 9029 transitions. [2024-11-27 20:29:40,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:29:40,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 360 [2024-11-27 20:29:40,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:40,719 INFO L225 Difference]: With dead ends: 6564 [2024-11-27 20:29:40,720 INFO L226 Difference]: Without dead ends: 3858 [2024-11-27 20:29:40,731 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 [2024-11-27 20:29:40,734 INFO L435 NwaCegarLoop]: 1554 mSDtfsCounter, 976 mSDsluCounter, 1396 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 976 SdHoareTripleChecker+Valid, 2950 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:40,734 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [976 Valid, 2950 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-11-27 20:29:40,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3858 states. [2024-11-27 20:29:40,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3858 to 3838. [2024-11-27 20:29:40,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3838 states, 2869 states have (on average 1.3084698501219938) internal successors, (3754), 2902 states have internal predecessors, (3754), 738 states have call successors, (738), 229 states have call predecessors, (738), 228 states have return successors, (734), 719 states have call predecessors, (734), 734 states have call successors, (734) [2024-11-27 20:29:40,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3838 states to 3838 states and 5226 transitions. [2024-11-27 20:29:40,921 INFO L78 Accepts]: Start accepts. Automaton has 3838 states and 5226 transitions. Word has length 360 [2024-11-27 20:29:40,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:40,922 INFO L471 AbstractCegarLoop]: Abstraction has 3838 states and 5226 transitions. [2024-11-27 20:29:40,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-11-27 20:29:40,922 INFO L276 IsEmpty]: Start isEmpty. Operand 3838 states and 5226 transitions. [2024-11-27 20:29:40,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2024-11-27 20:29:40,931 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:40,932 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 24, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:40,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:29:40,932 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)] === [2024-11-27 20:29:40,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:40,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1592430706, now seen corresponding path program 1 times [2024-11-27 20:29:40,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:40,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674803443] [2024-11-27 20:29:40,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:40,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:44,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2607 trivial. 0 not checked. [2024-11-27 20:29:44,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:44,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674803443] [2024-11-27 20:29:44,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674803443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:44,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:44,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:29:44,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191904344] [2024-11-27 20:29:44,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:44,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:29:44,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:44,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:29:44,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:29:44,371 INFO L87 Difference]: Start difference. First operand 3838 states and 5226 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-11-27 20:29:48,423 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 [] [2024-11-27 20:29:49,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:49,600 INFO L93 Difference]: Finished difference Result 10069 states and 13701 transitions. [2024-11-27 20:29:49,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:29:49,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 366 [2024-11-27 20:29:49,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:49,645 INFO L225 Difference]: With dead ends: 10069 [2024-11-27 20:29:49,645 INFO L226 Difference]: Without dead ends: 6284 [2024-11-27 20:29:49,661 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 [2024-11-27 20:29:49,663 INFO L435 NwaCegarLoop]: 1614 mSDtfsCounter, 1237 mSDsluCounter, 1395 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1237 SdHoareTripleChecker+Valid, 3009 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:49,664 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1237 Valid, 3009 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-11-27 20:29:49,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6284 states. [2024-11-27 20:29:50,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6284 to 6266. [2024-11-27 20:29:50,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6266 states, 4728 states have (on average 1.3043570219966159) internal successors, (6167), 4790 states have internal predecessors, (6167), 1161 states have call successors, (1161), 375 states have call predecessors, (1161), 374 states have return successors, (1157), 1122 states have call predecessors, (1157), 1157 states have call successors, (1157) [2024-11-27 20:29:50,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6266 states to 6266 states and 8485 transitions. [2024-11-27 20:29:50,069 INFO L78 Accepts]: Start accepts. Automaton has 6266 states and 8485 transitions. Word has length 366 [2024-11-27 20:29:50,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:50,070 INFO L471 AbstractCegarLoop]: Abstraction has 6266 states and 8485 transitions. [2024-11-27 20:29:50,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-11-27 20:29:50,071 INFO L276 IsEmpty]: Start isEmpty. Operand 6266 states and 8485 transitions. [2024-11-27 20:29:50,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2024-11-27 20:29:50,080 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:50,080 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:50,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:29:50,080 INFO L396 AbstractCegarLoop]: === Iteration 5 === 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)] === [2024-11-27 20:29:50,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:50,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1880843310, now seen corresponding path program 1 times [2024-11-27 20:29:50,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:50,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337941120] [2024-11-27 20:29:50,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:50,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:53,872 INFO L134 CoverageAnalysis]: Checked inductivity of 2826 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2814 trivial. 0 not checked. [2024-11-27 20:29:53,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:53,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337941120] [2024-11-27 20:29:53,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337941120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:53,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:53,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:29:53,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042519806] [2024-11-27 20:29:53,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:53,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:29:53,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:53,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:29:53,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:29:53,876 INFO L87 Difference]: Start difference. First operand 6266 states and 8485 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-27 20:29:57,924 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 [] [2024-11-27 20:29:58,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:58,881 INFO L93 Difference]: Finished difference Result 17508 states and 23780 transitions. [2024-11-27 20:29:58,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:29:58,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 354 [2024-11-27 20:29:58,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:58,944 INFO L225 Difference]: With dead ends: 17508 [2024-11-27 20:29:58,944 INFO L226 Difference]: Without dead ends: 11584 [2024-11-27 20:29:58,967 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:29:58,969 INFO L435 NwaCegarLoop]: 2695 mSDtfsCounter, 1250 mSDsluCounter, 1415 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1250 SdHoareTripleChecker+Valid, 4110 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:58,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1250 Valid, 4110 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-27 20:29:58,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11584 states. [2024-11-27 20:29:59,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11584 to 11580. [2024-11-27 20:29:59,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11580 states, 8780 states have (on average 1.3085421412300684) internal successors, (11489), 8864 states have internal predecessors, (11489), 2099 states have call successors, (2099), 699 states have call predecessors, (2099), 698 states have return successors, (2095), 2060 states have call predecessors, (2095), 2095 states have call successors, (2095) [2024-11-27 20:29:59,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11580 states to 11580 states and 15683 transitions. [2024-11-27 20:29:59,474 INFO L78 Accepts]: Start accepts. Automaton has 11580 states and 15683 transitions. Word has length 354 [2024-11-27 20:29:59,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:59,475 INFO L471 AbstractCegarLoop]: Abstraction has 11580 states and 15683 transitions. [2024-11-27 20:29:59,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-27 20:29:59,475 INFO L276 IsEmpty]: Start isEmpty. Operand 11580 states and 15683 transitions. [2024-11-27 20:29:59,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2024-11-27 20:29:59,483 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:59,484 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:59,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:29:59,484 INFO L396 AbstractCegarLoop]: === Iteration 6 === 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)] === [2024-11-27 20:29:59,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:59,485 INFO L85 PathProgramCache]: Analyzing trace with hash -490895952, now seen corresponding path program 1 times [2024-11-27 20:29:59,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:59,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187197120] [2024-11-27 20:29:59,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:59,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:30:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:30:04,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2826 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2826 trivial. 0 not checked. [2024-11-27 20:30:04,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:30:04,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187197120] [2024-11-27 20:30:04,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187197120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:30:04,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:30:04,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:30:04,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055745595] [2024-11-27 20:30:04,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:30:04,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:30:04,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:30:04,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:30:04,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:30:04,674 INFO L87 Difference]: Start difference. First operand 11580 states and 15683 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-27 20:30:05,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:30:05,483 INFO L93 Difference]: Finished difference Result 11980 states and 16084 transitions. [2024-11-27 20:30:05,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:30:05,484 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 354 [2024-11-27 20:30:05,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:30:05,562 INFO L225 Difference]: With dead ends: 11980 [2024-11-27 20:30:05,562 INFO L226 Difference]: Without dead ends: 11978 [2024-11-27 20:30:05,569 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:30:05,570 INFO L435 NwaCegarLoop]: 1444 mSDtfsCounter, 1261 mSDsluCounter, 3029 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1262 SdHoareTripleChecker+Valid, 4473 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:30:05,570 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1262 Valid, 4473 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:30:05,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11978 states. [2024-11-27 20:30:06,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11978 to 11978. [2024-11-27 20:30:06,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11978 states, 9035 states have (on average 1.3016048699501936) internal successors, (11760), 9119 states have internal predecessors, (11760), 2163 states have call successors, (2163), 778 states have call predecessors, (2163), 777 states have return successors, (2159), 2124 states have call predecessors, (2159), 2159 states have call successors, (2159) [2024-11-27 20:30:06,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11978 states to 11978 states and 16082 transitions. [2024-11-27 20:30:06,109 INFO L78 Accepts]: Start accepts. Automaton has 11978 states and 16082 transitions. Word has length 354 [2024-11-27 20:30:06,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:30:06,110 INFO L471 AbstractCegarLoop]: Abstraction has 11978 states and 16082 transitions. [2024-11-27 20:30:06,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-27 20:30:06,112 INFO L276 IsEmpty]: Start isEmpty. Operand 11978 states and 16082 transitions. [2024-11-27 20:30:06,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2024-11-27 20:30:06,119 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:30:06,119 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:30:06,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:30:06,120 INFO L396 AbstractCegarLoop]: === Iteration 7 === 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)] === [2024-11-27 20:30:06,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:30:06,120 INFO L85 PathProgramCache]: Analyzing trace with hash -545491696, now seen corresponding path program 1 times [2024-11-27 20:30:06,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:30:06,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882581054] [2024-11-27 20:30:06,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:30:06,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:30:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:30:11,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2828 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2826 trivial. 0 not checked. [2024-11-27 20:30:11,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:30:11,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882581054] [2024-11-27 20:30:11,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882581054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:30:11,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:30:11,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:30:11,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875266488] [2024-11-27 20:30:11,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:30:11,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:30:11,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:30:11,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:30:11,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:30:11,384 INFO L87 Difference]: Start difference. First operand 11978 states and 16082 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-27 20:30:12,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:30:12,206 INFO L93 Difference]: Finished difference Result 11984 states and 16087 transitions. [2024-11-27 20:30:12,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:30:12,207 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 359 [2024-11-27 20:30:12,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:30:12,266 INFO L225 Difference]: With dead ends: 11984 [2024-11-27 20:30:12,266 INFO L226 Difference]: Without dead ends: 11980 [2024-11-27 20:30:12,274 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:30:12,275 INFO L435 NwaCegarLoop]: 1448 mSDtfsCounter, 1359 mSDsluCounter, 2887 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1360 SdHoareTripleChecker+Valid, 4335 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:30:12,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1360 Valid, 4335 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:30:12,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11980 states. [2024-11-27 20:30:13,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11980 to 11980. [2024-11-27 20:30:13,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11980 states, 9037 states have (on average 1.3014274648666593) internal successors, (11761), 9120 states have internal predecessors, (11761), 2163 states have call successors, (2163), 779 states have call predecessors, (2163), 777 states have return successors, (2159), 2124 states have call predecessors, (2159), 2159 states have call successors, (2159) [2024-11-27 20:30:13,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11980 states to 11980 states and 16083 transitions. [2024-11-27 20:30:13,210 INFO L78 Accepts]: Start accepts. Automaton has 11980 states and 16083 transitions. Word has length 359 [2024-11-27 20:30:13,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:30:13,215 INFO L471 AbstractCegarLoop]: Abstraction has 11980 states and 16083 transitions. [2024-11-27 20:30:13,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-27 20:30:13,215 INFO L276 IsEmpty]: Start isEmpty. Operand 11980 states and 16083 transitions. [2024-11-27 20:30:13,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2024-11-27 20:30:13,222 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:30:13,223 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:30:13,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:30:13,223 INFO L396 AbstractCegarLoop]: === Iteration 8 === 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)] === [2024-11-27 20:30:13,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:30:13,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1549190800, now seen corresponding path program 1 times [2024-11-27 20:30:13,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:30:13,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459067855] [2024-11-27 20:30:13,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:30:13,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:30:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:30:18,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2834 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2830 trivial. 0 not checked. [2024-11-27 20:30:18,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:30:18,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459067855] [2024-11-27 20:30:18,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459067855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:30:18,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:30:18,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:30:18,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742427674] [2024-11-27 20:30:18,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:30:18,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:30:18,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:30:18,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:30:18,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:30:18,531 INFO L87 Difference]: Start difference. First operand 11980 states and 16083 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-27 20:30:19,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:30:19,264 INFO L93 Difference]: Finished difference Result 11980 states and 16083 transitions. [2024-11-27 20:30:19,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:30:19,264 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 364 [2024-11-27 20:30:19,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:30:19,329 INFO L225 Difference]: With dead ends: 11980 [2024-11-27 20:30:19,330 INFO L226 Difference]: Without dead ends: 11826 [2024-11-27 20:30:19,339 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:30:19,340 INFO L435 NwaCegarLoop]: 1446 mSDtfsCounter, 1355 mSDsluCounter, 2885 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1355 SdHoareTripleChecker+Valid, 4331 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:30:19,341 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1355 Valid, 4331 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:30:19,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11826 states. [2024-11-27 20:30:19,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11826 to 11826. [2024-11-27 20:30:20,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11826 states, 8948 states have (on average 1.3017434063477873) internal successors, (11648), 9007 states have internal predecessors, (11648), 2109 states have call successors, (2109), 767 states have call predecessors, (2109), 767 states have return successors, (2109), 2095 states have call predecessors, (2109), 2109 states have call successors, (2109) [2024-11-27 20:30:20,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11826 states to 11826 states and 15866 transitions. [2024-11-27 20:30:20,056 INFO L78 Accepts]: Start accepts. Automaton has 11826 states and 15866 transitions. Word has length 364 [2024-11-27 20:30:20,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:30:20,057 INFO L471 AbstractCegarLoop]: Abstraction has 11826 states and 15866 transitions. [2024-11-27 20:30:20,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-27 20:30:20,058 INFO L276 IsEmpty]: Start isEmpty. Operand 11826 states and 15866 transitions. [2024-11-27 20:30:20,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2024-11-27 20:30:20,079 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:30:20,080 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 24, 24, 24, 24, 24, 24, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:30:20,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 20:30:20,080 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)] === [2024-11-27 20:30:20,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:30:20,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1184569262, now seen corresponding path program 1 times [2024-11-27 20:30:20,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:30:20,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629780159] [2024-11-27 20:30:20,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:30:20,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:30:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:30:24,432 INFO L134 CoverageAnalysis]: Checked inductivity of 3046 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 3029 trivial. 0 not checked. [2024-11-27 20:30:24,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:30:24,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629780159] [2024-11-27 20:30:24,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629780159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:30:24,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:30:24,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:30:24,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273869300] [2024-11-27 20:30:24,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:30:24,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:30:24,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:30:24,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:30:24,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:30:24,437 INFO L87 Difference]: Start difference. First operand 11826 states and 15866 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, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-11-27 20:30:28,488 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 [] [2024-11-27 20:30:29,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:30:29,477 INFO L93 Difference]: Finished difference Result 28833 states and 38732 transitions. [2024-11-27 20:30:29,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:30:29,477 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, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 447 [2024-11-27 20:30:29,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:30:29,549 INFO L225 Difference]: With dead ends: 28833 [2024-11-27 20:30:29,549 INFO L226 Difference]: Without dead ends: 16981 [2024-11-27 20:30:29,580 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 [2024-11-27 20:30:29,581 INFO L435 NwaCegarLoop]: 2659 mSDtfsCounter, 1246 mSDsluCounter, 1385 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1246 SdHoareTripleChecker+Valid, 4044 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:30:29,581 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1246 Valid, 4044 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 30 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-27 20:30:29,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16981 states. [2024-11-27 20:30:30,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16981 to 16977. [2024-11-27 20:30:30,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16977 states, 12824 states have (on average 1.3041172800998129) internal successors, (16724), 12905 states have internal predecessors, (16724), 3040 states have call successors, (3040), 1111 states have call predecessors, (3040), 1111 states have return successors, (3040), 3026 states have call predecessors, (3040), 3040 states have call successors, (3040) [2024-11-27 20:30:30,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16977 states to 16977 states and 22804 transitions. [2024-11-27 20:30:30,277 INFO L78 Accepts]: Start accepts. Automaton has 16977 states and 22804 transitions. Word has length 447 [2024-11-27 20:30:30,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:30:30,279 INFO L471 AbstractCegarLoop]: Abstraction has 16977 states and 22804 transitions. [2024-11-27 20:30:30,280 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, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-11-27 20:30:30,280 INFO L276 IsEmpty]: Start isEmpty. Operand 16977 states and 22804 transitions. [2024-11-27 20:30:30,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2024-11-27 20:30:30,296 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:30:30,297 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 24, 24, 24, 24, 24, 24, 9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:30:30,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 20:30:30,297 INFO L396 AbstractCegarLoop]: === Iteration 10 === 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)] === [2024-11-27 20:30:30,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:30:30,298 INFO L85 PathProgramCache]: Analyzing trace with hash 396634117, now seen corresponding path program 1 times [2024-11-27 20:30:30,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:30:30,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994605287] [2024-11-27 20:30:30,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:30:30,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:30:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:30:33,862 INFO L134 CoverageAnalysis]: Checked inductivity of 3249 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3238 trivial. 0 not checked. [2024-11-27 20:30:33,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:30:33,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994605287] [2024-11-27 20:30:33,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994605287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:30:33,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:30:33,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:30:33,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709909078] [2024-11-27 20:30:33,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:30:33,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:30:33,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:30:33,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:30:33,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:30:33,865 INFO L87 Difference]: Start difference. First operand 16977 states and 22804 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, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-11-27 20:30:37,914 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 [] [2024-11-27 20:30:39,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:30:39,575 INFO L93 Difference]: Finished difference Result 39854 states and 53461 transitions. [2024-11-27 20:30:39,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:30:39,575 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, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 470 [2024-11-27 20:30:39,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:30:39,696 INFO L225 Difference]: With dead ends: 39854 [2024-11-27 20:30:39,696 INFO L226 Difference]: Without dead ends: 23219 [2024-11-27 20:30:39,749 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:30:39,749 INFO L435 NwaCegarLoop]: 1844 mSDtfsCounter, 945 mSDsluCounter, 1346 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 945 SdHoareTripleChecker+Valid, 3190 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:30:39,750 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [945 Valid, 3190 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-27 20:30:39,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23219 states. [2024-11-27 20:30:41,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23219 to 23211. [2024-11-27 20:30:41,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23211 states, 17592 states have (on average 1.2997953615279672) internal successors, (22866), 17699 states have internal predecessors, (22866), 4062 states have call successors, (4062), 1555 states have call predecessors, (4062), 1555 states have return successors, (4062), 4040 states have call predecessors, (4062), 4062 states have call successors, (4062) [2024-11-27 20:30:41,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23211 states to 23211 states and 30990 transitions. [2024-11-27 20:30:41,236 INFO L78 Accepts]: Start accepts. Automaton has 23211 states and 30990 transitions. Word has length 470 [2024-11-27 20:30:41,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:30:41,237 INFO L471 AbstractCegarLoop]: Abstraction has 23211 states and 30990 transitions. [2024-11-27 20:30:41,237 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, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-11-27 20:30:41,237 INFO L276 IsEmpty]: Start isEmpty. Operand 23211 states and 30990 transitions. [2024-11-27 20:30:41,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2024-11-27 20:30:41,251 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:30:41,251 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 24, 24, 24, 24, 24, 24, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:30:41,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 20:30:41,252 INFO L396 AbstractCegarLoop]: === Iteration 11 === 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)] === [2024-11-27 20:30:41,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:30:41,253 INFO L85 PathProgramCache]: Analyzing trace with hash -499647632, now seen corresponding path program 1 times [2024-11-27 20:30:41,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:30:41,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916313798] [2024-11-27 20:30:41,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:30:41,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:30:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:30:46,152 INFO L134 CoverageAnalysis]: Checked inductivity of 3285 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3274 trivial. 0 not checked. [2024-11-27 20:30:46,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:30:46,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916313798] [2024-11-27 20:30:46,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916313798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:30:46,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:30:46,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:30:46,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107192718] [2024-11-27 20:30:46,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:30:46,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:30:46,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:30:46,155 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:30:46,155 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:30:46,156 INFO L87 Difference]: Start difference. First operand 23211 states and 30990 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, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2024-11-27 20:30:50,211 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 [] [2024-11-27 20:30:51,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:30:51,883 INFO L93 Difference]: Finished difference Result 56470 states and 75449 transitions. [2024-11-27 20:30:51,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:30:51,884 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, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 473 [2024-11-27 20:30:51,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:30:52,050 INFO L225 Difference]: With dead ends: 56470 [2024-11-27 20:30:52,050 INFO L226 Difference]: Without dead ends: 33601 [2024-11-27 20:30:52,116 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:30:52,116 INFO L435 NwaCegarLoop]: 1846 mSDtfsCounter, 1207 mSDsluCounter, 1347 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1207 SdHoareTripleChecker+Valid, 3193 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:30:52,117 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1207 Valid, 3193 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-11-27 20:30:52,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33601 states. [2024-11-27 20:30:53,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33601 to 33591. [2024-11-27 20:30:53,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33591 states, 25581 states have (on average 1.2994018998475432) internal successors, (33240), 25730 states have internal predecessors, (33240), 5748 states have call successors, (5748), 2260 states have call predecessors, (5748), 2260 states have return successors, (5748), 5714 states have call predecessors, (5748), 5748 states have call successors, (5748) [2024-11-27 20:30:53,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33591 states to 33591 states and 44736 transitions. [2024-11-27 20:30:53,967 INFO L78 Accepts]: Start accepts. Automaton has 33591 states and 44736 transitions. Word has length 473 [2024-11-27 20:30:53,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:30:53,968 INFO L471 AbstractCegarLoop]: Abstraction has 33591 states and 44736 transitions. [2024-11-27 20:30:53,968 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, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2024-11-27 20:30:53,968 INFO L276 IsEmpty]: Start isEmpty. Operand 33591 states and 44736 transitions. [2024-11-27 20:30:53,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2024-11-27 20:30:53,978 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:30:53,979 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 24, 24, 24, 24, 24, 24, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:30:53,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 20:30:53,979 INFO L396 AbstractCegarLoop]: === Iteration 12 === 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)] === [2024-11-27 20:30:53,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:30:53,980 INFO L85 PathProgramCache]: Analyzing trace with hash 590534271, now seen corresponding path program 1 times [2024-11-27 20:30:53,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:30:53,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495930753] [2024-11-27 20:30:53,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:30:53,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:30:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:30:58,534 INFO L134 CoverageAnalysis]: Checked inductivity of 3285 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3274 trivial. 0 not checked. [2024-11-27 20:30:58,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:30:58,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495930753] [2024-11-27 20:30:58,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495930753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:30:58,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:30:58,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:30:58,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137448969] [2024-11-27 20:30:58,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:30:58,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:30:58,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:30:58,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:30:58,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:30:58,540 INFO L87 Difference]: Start difference. First operand 33591 states and 44736 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, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-11-27 20:31:02,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:31:05,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:31:05,190 INFO L93 Difference]: Finished difference Result 81261 states and 108250 transitions. [2024-11-27 20:31:05,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:31:05,191 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, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 476 [2024-11-27 20:31:05,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:31:05,407 INFO L225 Difference]: With dead ends: 81261 [2024-11-27 20:31:05,408 INFO L226 Difference]: Without dead ends: 48012 [2024-11-27 20:31:05,475 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:31:05,476 INFO L435 NwaCegarLoop]: 1962 mSDtfsCounter, 1205 mSDsluCounter, 1345 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1205 SdHoareTripleChecker+Valid, 3307 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:31:05,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1205 Valid, 3307 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-27 20:31:05,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48012 states. [2024-11-27 20:31:07,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48012 to 48006. [2024-11-27 20:31:07,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48006 states, 36702 states have (on average 1.2972045120156939) internal successors, (47610), 36917 states have internal predecessors, (47610), 8052 states have call successors, (8052), 3250 states have call predecessors, (8052), 3250 states have return successors, (8052), 8000 states have call predecessors, (8052), 8052 states have call successors, (8052) [2024-11-27 20:31:07,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48006 states to 48006 states and 63714 transitions. [2024-11-27 20:31:07,842 INFO L78 Accepts]: Start accepts. Automaton has 48006 states and 63714 transitions. Word has length 476 [2024-11-27 20:31:07,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:31:07,843 INFO L471 AbstractCegarLoop]: Abstraction has 48006 states and 63714 transitions. [2024-11-27 20:31:07,843 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, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-11-27 20:31:07,843 INFO L276 IsEmpty]: Start isEmpty. Operand 48006 states and 63714 transitions. [2024-11-27 20:31:07,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2024-11-27 20:31:07,865 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:31:07,865 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 24, 24, 24, 24, 24, 24, 13, 13, 13, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:31:07,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 20:31:07,866 INFO L396 AbstractCegarLoop]: === Iteration 13 === 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)] === [2024-11-27 20:31:07,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:31:07,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1693934764, now seen corresponding path program 1 times [2024-11-27 20:31:07,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:31:07,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132416721] [2024-11-27 20:31:07,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:31:07,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:31:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:31:12,347 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3760 trivial. 0 not checked. [2024-11-27 20:31:12,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:31:12,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132416721] [2024-11-27 20:31:12,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132416721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:31:12,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:31:12,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:31:12,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144425720] [2024-11-27 20:31:12,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:31:12,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:31:12,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:31:12,349 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:31:12,349 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:31:12,350 INFO L87 Difference]: Start difference. First operand 48006 states and 63714 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2024-11-27 20:31:16,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:31:18,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:31:18,685 INFO L93 Difference]: Finished difference Result 107960 states and 143196 transitions. [2024-11-27 20:31:18,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:31:18,685 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 542 [2024-11-27 20:31:18,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:31:18,956 INFO L225 Difference]: With dead ends: 107960 [2024-11-27 20:31:18,957 INFO L226 Difference]: Without dead ends: 60296 [2024-11-27 20:31:19,084 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:31:19,085 INFO L435 NwaCegarLoop]: 2349 mSDtfsCounter, 947 mSDsluCounter, 1348 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 947 SdHoareTripleChecker+Valid, 3697 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:31:19,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [947 Valid, 3697 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 56 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-11-27 20:31:19,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60296 states. [2024-11-27 20:31:20,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60296 to 60288. [2024-11-27 20:31:20,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60288 states, 46215 states have (on average 1.2943200259655956) internal successors, (59817), 46475 states have internal predecessors, (59817), 9945 states have call successors, (9945), 4126 states have call predecessors, (9945), 4126 states have return successors, (9945), 9875 states have call predecessors, (9945), 9945 states have call successors, (9945) [2024-11-27 20:31:20,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60288 states to 60288 states and 79707 transitions. [2024-11-27 20:31:20,901 INFO L78 Accepts]: Start accepts. Automaton has 60288 states and 79707 transitions. Word has length 542 [2024-11-27 20:31:20,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:31:20,902 INFO L471 AbstractCegarLoop]: Abstraction has 60288 states and 79707 transitions. [2024-11-27 20:31:20,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2024-11-27 20:31:20,902 INFO L276 IsEmpty]: Start isEmpty. Operand 60288 states and 79707 transitions. [2024-11-27 20:31:20,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2024-11-27 20:31:20,925 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:31:20,926 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 24, 24, 24, 24, 24, 24, 13, 13, 13, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:31:20,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 20:31:20,926 INFO L396 AbstractCegarLoop]: === Iteration 14 === 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)] === [2024-11-27 20:31:20,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:31:20,927 INFO L85 PathProgramCache]: Analyzing trace with hash -810425774, now seen corresponding path program 1 times [2024-11-27 20:31:20,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:31:20,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243391430] [2024-11-27 20:31:20,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:31:20,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms