./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --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 fbb6aba39a63540626ae26255eab93a5f2c0864f87ba11cb320579066e7aefd2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 20:19:25,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 20:19:25,290 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 20:19:25,297 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 20:19:25,299 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 20:19:25,320 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 20:19:25,320 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 20:19:25,320 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 20:19:25,320 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 20:19:25,320 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 20:19:25,321 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 20:19:25,321 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 20:19:25,321 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 20:19:25,321 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 20:19:25,321 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 20:19:25,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 20:19:25,321 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 20:19:25,321 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 20:19:25,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 20:19:25,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 20:19:25,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 20:19:25,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 20:19:25,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 20:19:25,321 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 20:19:25,321 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 20:19:25,321 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 20:19:25,322 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 20:19:25,322 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 20:19:25,322 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 20:19:25,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 20:19:25,322 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 20:19:25,322 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 20:19:25,322 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 20:19:25,322 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 20:19:25,322 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 20:19:25,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 20:19:25,322 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 20:19:25,322 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 20:19:25,322 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 20:19:25,322 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 20:19:25,322 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> fbb6aba39a63540626ae26255eab93a5f2c0864f87ba11cb320579066e7aefd2 [2025-03-08 20:19:25,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 20:19:25,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 20:19:25,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 20:19:25,538 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 20:19:25,538 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 20:19:25,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i [2025-03-08 20:19:26,617 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91363d6e4/786a7e02182845958d8e178d5814d61e/FLAG1f5d9d6b2 [2025-03-08 20:19:27,033 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 20:19:27,034 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i [2025-03-08 20:19:27,070 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91363d6e4/786a7e02182845958d8e178d5814d61e/FLAG1f5d9d6b2 [2025-03-08 20:19:27,174 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91363d6e4/786a7e02182845958d8e178d5814d61e [2025-03-08 20:19:27,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 20:19:27,178 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 20:19:27,180 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 20:19:27,180 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 20:19:27,183 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 20:19:27,183 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 08:19:27" (1/1) ... [2025-03-08 20:19:27,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@744fd7a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:27, skipping insertion in model container [2025-03-08 20:19:27,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 08:19:27" (1/1) ... [2025-03-08 20:19:27,262 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 20:19:28,878 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305216,305229] [2025-03-08 20:19:28,880 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305385,305398] [2025-03-08 20:19:28,881 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305552,305565] [2025-03-08 20:19:28,881 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305720,305733] [2025-03-08 20:19:28,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 20:19:28,910 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 20:19:29,045 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"); [5181] [2025-03-08 20:19:29,047 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)); [5188] [2025-03-08 20:19:29,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5195] [2025-03-08 20:19:29,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [5244] [2025-03-08 20:19:29,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5316] [2025-03-08 20:19:29,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5323] [2025-03-08 20:19:29,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [5522-5523] [2025-03-08 20:19:29,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5529] [2025-03-08 20:19:29,247 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305216,305229] [2025-03-08 20:19:29,248 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305385,305398] [2025-03-08 20:19:29,248 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305552,305565] [2025-03-08 20:19:29,248 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305720,305733] [2025-03-08 20:19:29,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 20:19:29,365 INFO L204 MainTranslator]: Completed translation [2025-03-08 20:19:29,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:29 WrapperNode [2025-03-08 20:19:29,366 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 20:19:29,366 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 20:19:29,367 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 20:19:29,367 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 20:19:29,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:29" (1/1) ... [2025-03-08 20:19:29,435 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:29" (1/1) ... [2025-03-08 20:19:29,591 INFO L138 Inliner]: procedures = 410, calls = 2035, calls flagged for inlining = 211, calls inlined = 188, statements flattened = 4788 [2025-03-08 20:19:29,592 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 20:19:29,592 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 20:19:29,592 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 20:19:29,592 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 20:19:29,599 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:29" (1/1) ... [2025-03-08 20:19:29,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:29" (1/1) ... [2025-03-08 20:19:29,631 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:29" (1/1) ... [2025-03-08 20:19:30,157 INFO L175 MemorySlicer]: Split 898 memory accesses to 23 slices as follows [4, 1, 4, 5, 1, 203, 4, 1, 4, 4, 5, 1, 2, 449, 26, 5, 5, 13, 5, 1, 5, 149, 1]. 50 percent of accesses are in the largest equivalence class. The 224 initializations are split as follows [4, 1, 4, 5, 1, 0, 4, 1, 4, 4, 5, 1, 2, 5, 0, 5, 5, 13, 5, 0, 5, 149, 1]. The 367 writes are split as follows [0, 0, 0, 0, 0, 174, 0, 0, 0, 0, 0, 0, 0, 169, 24, 0, 0, 0, 0, 0, 0, 0, 0]. [2025-03-08 20:19:30,157 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:29" (1/1) ... [2025-03-08 20:19:30,157 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:29" (1/1) ... [2025-03-08 20:19:30,228 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:29" (1/1) ... [2025-03-08 20:19:30,239 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:29" (1/1) ... [2025-03-08 20:19:30,259 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:29" (1/1) ... [2025-03-08 20:19:30,274 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:29" (1/1) ... [2025-03-08 20:19:30,304 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 20:19:30,305 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 20:19:30,305 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 20:19:30,305 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 20:19:30,306 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:29" (1/1) ... [2025-03-08 20:19:30,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 20:19:30,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 20:19:30,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 20:19:30,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 20:19:30,351 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_probe [2025-03-08 20:19:30,352 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_probe [2025-03-08 20:19:30,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-03-08 20:19:30,352 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-03-08 20:19:30,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-08 20:19:30,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-08 20:19:30,352 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2025-03-08 20:19:30,352 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2025-03-08 20:19:30,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-03-08 20:19:30,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-03-08 20:19:30,352 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2025-03-08 20:19:30,352 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2025-03-08 20:19:30,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2025-03-08 20:19:30,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2025-03-08 20:19:30,353 INFO L130 BoogieDeclarations]: Found specification of procedure __dnet_set_hwaddr [2025-03-08 20:19:30,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __dnet_set_hwaddr [2025-03-08 20:19:30,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-03-08 20:19:30,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-03-08 20:19:30,353 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2025-03-08 20:19:30,353 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2025-03-08 20:19:30,353 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2025-03-08 20:19:30,353 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2025-03-08 20:19:30,353 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2025-03-08 20:19:30,353 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2025-03-08 20:19:30,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-03-08 20:19:30,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-03-08 20:19:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 20:19:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2025-03-08 20:19:30,354 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2025-03-08 20:19:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-03-08 20:19:30,354 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-03-08 20:19:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-08 20:19:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-08 20:19:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-08 20:19:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-08 20:19:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-08 20:19:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-08 20:19:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-08 20:19:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-08 20:19:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-08 20:19:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-08 20:19:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-03-08 20:19:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-03-08 20:19:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-03-08 20:19:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-03-08 20:19:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2025-03-08 20:19:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2025-03-08 20:19:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2025-03-08 20:19:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2025-03-08 20:19:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2025-03-08 20:19:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2025-03-08 20:19:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2025-03-08 20:19:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2025-03-08 20:19:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2025-03-08 20:19:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2025-03-08 20:19:30,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2025-03-08 20:19:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 20:19:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 20:19:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 20:19:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 20:19:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 20:19:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 20:19:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 20:19:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 20:19:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 20:19:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 20:19:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 20:19:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-08 20:19:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-08 20:19:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-08 20:19:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-08 20:19:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-08 20:19:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-08 20:19:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-08 20:19:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-08 20:19:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-08 20:19:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-03-08 20:19:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-03-08 20:19:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-03-08 20:19:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-03-08 20:19:30,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-03-08 20:19:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2025-03-08 20:19:30,356 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2025-03-08 20:19:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 20:19:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 20:19:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 20:19:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 20:19:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 20:19:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 20:19:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 20:19:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 20:19:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 20:19:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 20:19:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 20:19:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-08 20:19:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-08 20:19:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-08 20:19:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-08 20:19:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-08 20:19:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-08 20:19:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-08 20:19:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-08 20:19:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-08 20:19:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-03-08 20:19:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-03-08 20:19:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-03-08 20:19:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2025-03-08 20:19:30,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2025-03-08 20:19:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_reset_hw [2025-03-08 20:19:30,357 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_reset_hw [2025-03-08 20:19:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-03-08 20:19:30,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-03-08 20:19:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 20:19:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2025-03-08 20:19:30,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2025-03-08 20:19:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2025-03-08 20:19:30,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2025-03-08 20:19:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2025-03-08 20:19:30,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2025-03-08 20:19:30,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 20:19:30,358 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2025-03-08 20:19:30,358 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2025-03-08 20:19:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-03-08 20:19:30,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-03-08 20:19:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2025-03-08 20:19:30,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2025-03-08 20:19:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 20:19:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 20:19:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 20:19:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 20:19:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 20:19:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 20:19:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 20:19:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 20:19:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 20:19:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-08 20:19:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-08 20:19:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-08 20:19:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-08 20:19:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-08 20:19:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-08 20:19:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-08 20:19:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-08 20:19:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-08 20:19:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-08 20:19:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-03-08 20:19:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-03-08 20:19:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2025-03-08 20:19:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2025-03-08 20:19:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 20:19:30,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 20:19:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2025-03-08 20:19:30,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2025-03-08 20:19:30,361 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2025-03-08 20:19:30,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2025-03-08 20:19:30,361 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-03-08 20:19:30,361 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-03-08 20:19:30,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2025-03-08 20:19:30,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2025-03-08 20:19:30,361 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2025-03-08 20:19:30,361 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2025-03-08 20:19:30,361 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2025-03-08 20:19:30,361 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2025-03-08 20:19:30,361 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2025-03-08 20:19:30,361 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2025-03-08 20:19:30,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 20:19:30,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 20:19:30,361 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2025-03-08 20:19:30,361 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2025-03-08 20:19:30,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-08 20:19:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-08 20:19:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-08 20:19:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-03-08 20:19:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-03-08 20:19:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-03-08 20:19:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-03-08 20:19:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2025-03-08 20:19:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2025-03-08 20:19:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2025-03-08 20:19:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-08 20:19:30,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-08 20:19:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2025-03-08 20:19:30,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2025-03-08 20:19:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-03-08 20:19:30,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-03-08 20:19:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_dnet [2025-03-08 20:19:30,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_dnet [2025-03-08 20:19:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2025-03-08 20:19:30,363 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2025-03-08 20:19:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_readw_mac [2025-03-08 20:19:30,363 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_readw_mac [2025-03-08 20:19:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 20:19:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 20:19:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 20:19:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 20:19:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 20:19:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 20:19:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 20:19:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 20:19:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 20:19:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 20:19:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 20:19:30,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-08 20:19:30,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-08 20:19:30,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-08 20:19:30,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-08 20:19:30,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-08 20:19:30,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-08 20:19:30,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-08 20:19:30,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-08 20:19:30,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-08 20:19:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-03-08 20:19:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-03-08 20:19:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2025-03-08 20:19:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2025-03-08 20:19:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-08 20:19:30,365 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-08 20:19:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2025-03-08 20:19:30,365 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2025-03-08 20:19:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2025-03-08 20:19:30,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2025-03-08 20:19:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2025-03-08 20:19:30,365 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2025-03-08 20:19:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-03-08 20:19:30,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-03-08 20:19:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2025-03-08 20:19:30,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2025-03-08 20:19:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_close [2025-03-08 20:19:30,365 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_close [2025-03-08 20:19:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2025-03-08 20:19:30,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_handle_link_change [2025-03-08 20:19:30,366 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_handle_link_change [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2025-03-08 20:19:30,366 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2025-03-08 20:19:30,366 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_writew_mac [2025-03-08 20:19:30,366 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_writew_mac [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2025-03-08 20:19:30,366 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-08 20:19:30,366 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2025-03-08 20:19:30,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-08 20:19:30,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_remove [2025-03-08 20:19:30,366 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_remove [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2025-03-08 20:19:30,366 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_open [2025-03-08 20:19:30,366 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_open [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure phy_connect [2025-03-08 20:19:30,366 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_connect [2025-03-08 20:19:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-03-08 20:19:30,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-03-08 20:19:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2025-03-08 20:19:30,367 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2025-03-08 20:19:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 20:19:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 20:19:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 20:19:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 20:19:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 20:19:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 20:19:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 20:19:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 20:19:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 20:19:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 20:19:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 20:19:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-08 20:19:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-08 20:19:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-08 20:19:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-08 20:19:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-08 20:19:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-08 20:19:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-08 20:19:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-08 20:19:30,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-08 20:19:30,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-03-08 20:19:30,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-03-08 20:19:30,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-03-08 20:19:30,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-03-08 20:19:30,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-03-08 20:19:30,371 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2025-03-08 20:19:30,371 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2025-03-08 20:19:30,957 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 20:19:30,959 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 20:19:31,624 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11646: havoc __request_region_#t~ret913#1.base, __request_region_#t~ret913#1.offset; [2025-03-08 20:19:31,625 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9320-1: ldv_request_irq_#res#1 := ldv_request_irq_~arg0#1; [2025-03-08 20:19:31,625 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7355: call ULTIMATE.dealloc(~#__key~0#1.base, ~#__key~0#1.offset);havoc ~#__key~0#1.base, ~#__key~0#1.offset; [2025-03-08 20:19:31,625 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11667: havoc dev_warn_#t~nondet917#1; [2025-03-08 20:19:31,625 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11734: havoc mdiobus_alloc_size_#t~ret926#1.base, mdiobus_alloc_size_#t~ret926#1.offset; [2025-03-08 20:19:31,625 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11818: havoc register_netdev_#t~nondet940#1; [2025-03-08 20:19:31,625 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11703: havoc ioremap_nocache_#t~ret924#1.base, ioremap_nocache_#t~ret924#1.offset; [2025-03-08 20:19:31,625 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9276-1: ldv_register_netdev_#res#1 := ldv_register_netdev_~arg0#1; [2025-03-08 20:19:31,625 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7790-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2025-03-08 20:19:31,625 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9277-1: ldv_register_netdev_#res#1 := ldv_register_netdev_~arg0#1; [2025-03-08 20:19:31,626 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9740-1: ldv_register_netdev_68_#res#1 := ldv_register_netdev_68_~ldv_func_res~2#1; [2025-03-08 20:19:31,626 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9707-1: ldv_alloc_etherdev_mqs_66_#res#1.base, ldv_alloc_etherdev_mqs_66_#res#1.offset := ldv_alloc_etherdev_mqs_66_~ldv_func_res~0#1.base, ldv_alloc_etherdev_mqs_66_~ldv_func_res~0#1.offset; [2025-03-08 20:19:31,626 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11656: havoc alloc_etherdev_mqs_#t~ret915#1.base, alloc_etherdev_mqs_#t~ret915#1.offset; [2025-03-08 20:19:31,626 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11822: havoc request_threaded_irq_#t~nondet941#1; [2025-03-08 20:19:31,626 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9725-1: ldv_request_irq_67_#res#1 := ldv_request_irq_67_~ldv_func_res~1#1; [2025-03-08 20:19:31,626 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5365: havoc __kmalloc_#t~ret59#1.base, __kmalloc_#t~ret59#1.offset; [2025-03-08 20:19:31,626 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5877: call ULTIMATE.dealloc(dnet_get_hwaddr_~#addr~0#1.base, dnet_get_hwaddr_~#addr~0#1.offset);havoc dnet_get_hwaddr_~#addr~0#1.base, dnet_get_hwaddr_~#addr~0#1.offset; [2025-03-08 20:19:31,626 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7793-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2025-03-08 20:19:31,626 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11790: havoc phy_register_fixup_for_uid_#t~nondet935#1; [2025-03-08 20:19:31,626 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11741: havoc mdiobus_register_#t~nondet927#1; [2025-03-08 20:19:31,626 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11807: havoc platform_get_irq_#t~nondet937#1; [2025-03-08 20:19:31,626 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5300: havoc resource_size_#t~mem29#1;havoc resource_size_#t~mem30#1; [2025-03-08 20:19:31,626 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11725: havoc ldv_pre_register_netdev_#t~nondet925#1; [2025-03-08 20:19:31,626 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7795-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2025-03-08 20:19:31,626 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11810: havoc platform_get_resource_#t~ret938#1.base, platform_get_resource_#t~ret938#1.offset; [2025-03-08 20:19:31,628 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-08 20:19:31,685 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11837: havoc #t~nondet945; [2025-03-08 20:19:31,688 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5382: havoc #t~mem62.base, #t~mem62.offset;havoc #t~mem63; [2025-03-08 20:19:31,690 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11683: havoc #t~nondet921; [2025-03-08 20:19:31,702 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11814: havoc #t~nondet939; [2025-03-08 20:19:31,705 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11663: havoc #t~nondet916; [2025-03-08 20:19:31,730 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5209: havoc #t~bitwise2; [2025-03-08 20:19:31,734 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5539: havoc #t~mem92.base, #t~mem92.offset; [2025-03-08 20:19:31,772 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11650: havoc #t~nondet914; [2025-03-08 20:19:31,861 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203: havoc #t~mem0;havoc #t~bitwise1; [2025-03-08 20:19:31,875 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11611: havoc #t~nondet908; [2025-03-08 20:19:31,921 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9834: havoc ldv_dev_get_drvdata_#t~mem807#1.base, ldv_dev_get_drvdata_#t~mem807#1.offset;havoc ldv_dev_get_drvdata_#t~mem808#1.base, ldv_dev_get_drvdata_#t~mem808#1.offset; [2025-03-08 20:19:31,932 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5197: #res := 1; [2025-03-08 20:19:31,982 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5739: havoc is_multicast_ether_addr_#t~mem145#1; [2025-03-08 20:19:31,982 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5733: havoc is_zero_ether_addr_#t~mem142#1;havoc is_zero_ether_addr_#t~mem143#1;havoc is_zero_ether_addr_#t~bitwise144#1; [2025-03-08 20:19:32,006 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11748: havoc mdiobus_write_#t~nondet928#1; [2025-03-08 20:19:32,047 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11797: havoc phy_start_aneg_#t~nondet936#1; [2025-03-08 20:19:32,050 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11771: havoc #t~ret931.base, #t~ret931.offset; [2025-03-08 20:19:32,062 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5344: havoc #t~mem45#1.base, #t~mem45#1.offset; [2025-03-08 20:19:32,062 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5309: havoc kobject_name_#t~mem39#1.base, kobject_name_#t~mem39#1.offset; [2025-03-08 20:19:43,846 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9816-1: ldv___platform_driver_register_75_#res#1 := ldv___platform_driver_register_75_~ldv_func_res~3#1; [2025-03-08 20:19:43,847 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7771-1: ldv___platform_driver_register_#res#1 := ldv___platform_driver_register_~arg0#1; [2025-03-08 20:19:43,847 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6583: call ULTIMATE.dealloc(dnet_start_xmit_~#descriptor~3#1.base, dnet_start_xmit_~#descriptor~3#1.offset);havoc dnet_start_xmit_~#descriptor~3#1.base, dnet_start_xmit_~#descriptor~3#1.offset; [2025-03-08 20:19:43,847 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11671: havoc eth_change_mtu_#t~nondet918#1; [2025-03-08 20:19:43,847 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint main_returnLabel#1: #t~ret947#1 := main_#res#1;havoc main_#t~ret657#1, main_~tmp~49#1;assume { :end_inline_main } true; [2025-03-08 20:19:43,847 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11675: havoc eth_mac_addr_#t~nondet919#1; [2025-03-08 20:19:43,848 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11687: havoc ethtool_op_get_link_#t~nondet922#1; [2025-03-08 20:19:43,848 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11691: havoc ethtool_op_get_ts_info_#t~nondet923#1; [2025-03-08 20:19:43,848 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11768: havoc netpoll_trap_#t~nondet930#1; [2025-03-08 20:19:43,848 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11637: havoc __platform_driver_register_#t~nondet912#1; [2025-03-08 20:19:43,848 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6486: call ULTIMATE.dealloc(dnet_interrupt_~#descriptor~2#1.base, dnet_interrupt_~#descriptor~2#1.offset);havoc dnet_interrupt_~#descriptor~2#1.base, dnet_interrupt_~#descriptor~2#1.offset; [2025-03-08 20:19:43,848 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6751: call ULTIMATE.dealloc(dnet_print_pretty_hwstats_~#descriptor~4#1.base, dnet_print_pretty_hwstats_~#descriptor~4#1.offset);havoc dnet_print_pretty_hwstats_~#descriptor~4#1.base, dnet_print_pretty_hwstats_~#descriptor~4#1.offset;call ULTIMATE.dealloc(dnet_print_pretty_hwstats_~#descriptor___0~0#1.base, dnet_print_pretty_hwstats_~#descriptor___0~0#1.offset);havoc dnet_print_pretty_hwstats_~#descriptor___0~0#1.base, dnet_print_pretty_hwstats_~#descriptor___0~0#1.offset;call ULTIMATE.dealloc(dnet_print_pretty_hwstats_~#descriptor___1~0#1.base, dnet_print_pretty_hwstats_~#descriptor___1~0#1.offset);havoc dnet_print_pretty_hwstats_~#descriptor___1~0#1.base, dnet_print_pretty_hwstats_~#descriptor___1~0#1.offset;call ULTIMATE.dealloc(dnet_print_pretty_hwstats_~#descriptor___2~0#1.base, dnet_print_pretty_hwstats_~#descriptor___2~0#1.offset);havoc dnet_print_pretty_hwstats_~#descriptor___2~0#1.base, dnet_print_pretty_hwstats_~#descriptor___2~0#1.offset;call ULTIMATE.dealloc(dnet_print_pretty_hwstats_~#descriptor___3~0#1.base, dnet_print_pretty_hwstats_~#descriptor___3~0#1.offset);havoc dnet_print_pretty_hwstats_~#descriptor___3~0#1.base, dnet_print_pretty_hwstats_~#descriptor___3~0#1.offset;call ULTIMATE.dealloc(dnet_print_pretty_hwstats_~#descriptor___4~0#1.base, dnet_print_pretty_hwstats_~#descriptor___4~0#1.offset);havoc dnet_print_pretty_hwstats_~#descriptor___4~0#1.base, dnet_print_pretty_hwstats_~#descriptor___4~0#1.offset;call ULTIMATE.dealloc(dnet_print_pretty_hwstats_~#descriptor___5~0#1.base, dnet_print_pretty_hwstats_~#descriptor___5~0#1.offset);havoc dnet_print_pretty_hwstats_~#descriptor___5~0#1.base, dnet_print_pretty_hwstats_~#descriptor___5~0#1.offset;call ULTIMATE.dealloc(dnet_print_pretty_hwstats_~#descriptor___6~0#1.base, dnet_print_pretty_hwstats_~#descriptor___6~0#1.offset);havoc dnet_print_pretty_hwstats_~#descriptor___6~0#1.base, dnet_print_pretty_hwstats_~#descriptor___6~0#1.offset;call ULTIMATE.dealloc(dnet_print_pretty_hwstats_~#descriptor___7~0#1.base, dnet_print_pretty_hwstats_~#descriptor___7~0#1.offset);havoc dnet_print_pretty_hwstats_~#descriptor___7~0#1.base, dnet_print_pretty_hwstats_~#descriptor___7~0#1.offset;call ULTIMATE.dealloc(dnet_print_pretty_hwstats_~#descriptor___8~0#1.base, dnet_print_pretty_hwstats_~#descriptor___8~0#1.offset);havoc dnet_print_pretty_hwstats_~#descriptor___8~0#1.base, dnet_print_pretty_hwstats_~#descriptor___8~0#1.offset;call ULTIMATE.dealloc(dnet_print_pretty_hwstats_~#descriptor___9~0#1.base, dnet_print_pretty_hwstats_~#descriptor___9~0#1.offset);havoc dnet_print_pretty_hwstats_~#descriptor___9~0#1.base, dnet_print_pretty_hwstats_~#descriptor___9~0#1.offset;call ULTIMATE.dealloc(dnet_print_pretty_hwstats_~#descriptor___10~0#1.base, dnet_print_pretty_hwstats_~#descriptor___10~0#1.offset);havoc dnet_print_pretty_hwstats_~#descriptor___10~0#1.base, dnet_print_pretty_hwstats_~#descriptor___10~0#1.offset;call ULTIMATE.dealloc(dnet_print_pretty_hwstats_~#descriptor___11~0#1.base, dnet_print_pretty_hwstats_~#descriptor___11~0#1.offset);havoc dnet_print_pretty_hwstats_~#descriptor___11~0#1.base, dnet_print_pretty_hwstats_~#descriptor___11~0#1.offset;call ULTIMATE.dealloc(dnet_print_pretty_hwstats_~#descriptor___12~0#1.base, dnet_print_pretty_hwstats_~#descriptor___12~0#1.offset);havoc dnet_print_pretty_hwstats_~#descriptor___12~0#1.base, dnet_print_pretty_hwstats_~#descriptor___12~0#1.offset;call ULTIMATE.dealloc(dnet_print_pretty_hwstats_~#descriptor___13~0#1.base, dnet_print_pretty_hwstats_~#descriptor___13~0#1.offset);havoc dnet_print_pretty_hwstats_~#descriptor___13~0#1.base, dnet_print_pretty_hwstats_~#descriptor___13~0#1.offset;call ULTIMATE.dealloc(dnet_print_pretty_hwstats_~#descriptor___14~0#1.base, dnet_print_pretty_hwstats_~#descriptor___14~0#1.offset);havoc dnet_print_pretty_hwstats_~#descriptor___14~0#1.base, dnet_print_pretty_hwstats_~#descriptor___14~0#1.offset;call ULTIMATE.dealloc(dnet_print_pretty_hwstats_~#descriptor___15~0#1.base, dnet_print_pretty_hwstats_~#descriptor___15~0#1.offset);havoc dnet_print_pretty_hwstats_~#descriptor___15~0#1.base, dnet_print_pretty_hwstats_~#descriptor___15~0#1.offset;call ULTIMATE.dealloc(dnet_print_pretty_hwstats_~#descriptor___16~0#1.base, dnet_print_pretty_hwstats_~#descriptor___16~0#1.offset);havoc dnet_print_pretty_hwstats_~#descriptor___16~0#1.base, dnet_print_pretty_hwstats_~#descriptor___16~0#1.offset;call ULTIMATE.dealloc(dnet_print_pretty_hwstats_~#descriptor___17~0#1.base, dnet_print_pretty_hwstats_~#descriptor___17~0#1.offset);havoc dnet_print_pretty_hwstats_~#descriptor___17~0#1.base, dnet_print_pretty_hwstats_~#descriptor___17~0#1.offset;call ULTIMATE.dealloc(dnet_print_pretty_hwstats_~#descriptor___18~0#1.base, dnet_print_pretty_hwstats_~#descriptor___18~0#1.offset);havoc dnet_print_pretty_hwstats_~#descriptor___18~0#1.base, dnet_print_pretty_hwstats_~#descriptor___18~0#1.offset;call ULTIMATE.dealloc(dnet_print_pretty_hwstats_~#descriptor___19~0#1.base, dnet_print_pretty_hwstats_~#descriptor___19~0#1.offset);havoc dnet_print_pretty_hwstats_~#descriptor___19~0#1.base, dnet_print_pretty_hwstats_~#descriptor___19~0#1.offset;call ULTIMATE.dealloc(dnet_print_pretty_hwstats_~#descriptor___20~0#1.base, dnet_print_pretty_hwstats_~#descriptor___20~0#1.offset);havoc dnet_print_pretty_hwstats_~#descriptor___20~0#1.base, dnet_print_pretty_hwstats_~#descriptor___20~0#1.offset;call ULTIMATE.dealloc(dnet_print_pretty_hwstats_~#descriptor___21~0#1.base, dnet_print_pretty_hwstats_~#descriptor___21~0#1.offset);havoc dnet_print_pretty_hwstats_~#descriptor___21~0#1.base, dnet_print_pretty_hwstats_~#descriptor___21~0#1.offset;call ULTIMATE.dealloc(dnet_print_pretty_hwstats_~#descriptor___22~0#1.base, dnet_print_pretty_hwstats_~#descriptor___22~0#1.offset);havoc dnet_print_pretty_hwstats_~#descriptor___22~0#1.base, dnet_print_pretty_hwstats_~#descriptor___22~0#1.offset;call ULTIMATE.dealloc(dnet_print_pretty_hwstats_~#descriptor___23~0#1.base, dnet_print_pretty_hwstats_~#descriptor___23~0#1.offset);havoc dnet_print_pretty_hwstats_~#descriptor___23~0#1.base, dnet_print_pretty_hwstats_~#descriptor___23~0#1.offset;call ULTIMATE.dealloc(dnet_print_pretty_hwstats_~#descriptor___24~0#1.base, dnet_print_pretty_hwstats_~#descriptor___24~0#1.offset);havoc dnet_print_pretty_hwstats_~#descriptor___24~0#1.base, dnet_print_pretty_hwstats_~#descriptor___24~0#1.offset;call ULTIMATE.dealloc(dnet_print_pretty_hwstats_~#descriptor___25~0#1.base, dnet_print_pretty_hwstats_~#descriptor___25~0#1.offset);havoc dnet_print_pretty_hwstats_~#descriptor___25~0#1.base, dnet_print_pretty_hwstats_~#descriptor___25~0#1.offset; [2025-03-08 20:19:43,850 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11778: havoc phy_ethtool_gset_#t~nondet932#1; [2025-03-08 20:19:43,850 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11782: havoc phy_ethtool_sset_#t~nondet933#1; [2025-03-08 20:19:43,851 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11786: havoc phy_mii_ioctl_#t~nondet934#1; [2025-03-08 20:19:43,851 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-03-08 20:19:44,393 INFO L? ?]: Removed 1836 outVars from TransFormulas that were not future-live. [2025-03-08 20:19:44,395 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 20:19:44,460 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 20:19:44,460 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-08 20:19:44,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 08:19:44 BoogieIcfgContainer [2025-03-08 20:19:44,460 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 20:19:44,462 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 20:19:44,462 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 20:19:44,466 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 20:19:44,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 08:19:27" (1/3) ... [2025-03-08 20:19:44,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d05d9e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 08:19:44, skipping insertion in model container [2025-03-08 20:19:44,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:29" (2/3) ... [2025-03-08 20:19:44,467 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d05d9e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 08:19:44, skipping insertion in model container [2025-03-08 20:19:44,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 08:19:44" (3/3) ... [2025-03-08 20:19:44,468 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i [2025-03-08 20:19:44,479 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 20:19:44,482 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i that has 68 procedures, 1579 locations, 1 initial locations, 3 loop locations, and 3 error locations. [2025-03-08 20:19:44,563 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 20:19:44,574 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;@3a65638b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 20:19:44,574 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-03-08 20:19:44,585 INFO L276 IsEmpty]: Start isEmpty. Operand has 1577 states, 1139 states have (on average 1.276558384547849) internal successors, (1454), 1152 states have internal predecessors, (1454), 369 states have call successors, (369), 67 states have call predecessors, (369), 66 states have return successors, (362), 360 states have call predecessors, (362), 362 states have call successors, (362) [2025-03-08 20:19:44,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-03-08 20:19:44,595 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:19:44,596 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:19:44,596 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-08 20:19:44,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:19:44,600 INFO L85 PathProgramCache]: Analyzing trace with hash 546952369, now seen corresponding path program 1 times [2025-03-08 20:19:44,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:19:44,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71206872] [2025-03-08 20:19:44,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:19:44,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:19:46,614 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-08 20:19:46,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-08 20:19:46,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:19:46,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:19:47,441 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-03-08 20:19:47,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:19:47,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71206872] [2025-03-08 20:19:47,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71206872] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:19:47,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:19:47,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:19:47,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438971221] [2025-03-08 20:19:47,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:19:47,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:19:47,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:19:47,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:19:47,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:19:47,465 INFO L87 Difference]: Start difference. First operand has 1577 states, 1139 states have (on average 1.276558384547849) internal successors, (1454), 1152 states have internal predecessors, (1454), 369 states have call successors, (369), 67 states have call predecessors, (369), 66 states have return successors, (362), 360 states have call predecessors, (362), 362 states have call successors, (362) Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-08 20:19:51,513 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 [] [2025-03-08 20:19:52,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:19:52,159 INFO L93 Difference]: Finished difference Result 4601 states and 6467 transitions. [2025-03-08 20:19:52,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:19:52,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 134 [2025-03-08 20:19:52,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:19:52,197 INFO L225 Difference]: With dead ends: 4601 [2025-03-08 20:19:52,198 INFO L226 Difference]: Without dead ends: 3037 [2025-03-08 20:19:52,209 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 [2025-03-08 20:19:52,213 INFO L435 NwaCegarLoop]: 2157 mSDtfsCounter, 2069 mSDsluCounter, 2095 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2069 SdHoareTripleChecker+Valid, 4252 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2025-03-08 20:19:52,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2069 Valid, 4252 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2025-03-08 20:19:52,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3037 states. [2025-03-08 20:19:52,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3037 to 3033. [2025-03-08 20:19:52,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3033 states, 2212 states have (on average 1.2667269439421338) internal successors, (2802), 2236 states have internal predecessors, (2802), 689 states have call successors, (689), 130 states have call predecessors, (689), 129 states have return successors, (686), 682 states have call predecessors, (686), 686 states have call successors, (686) [2025-03-08 20:19:52,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3033 states to 3033 states and 4177 transitions. [2025-03-08 20:19:52,453 INFO L78 Accepts]: Start accepts. Automaton has 3033 states and 4177 transitions. Word has length 134 [2025-03-08 20:19:52,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:19:52,454 INFO L471 AbstractCegarLoop]: Abstraction has 3033 states and 4177 transitions. [2025-03-08 20:19:52,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-08 20:19:52,455 INFO L276 IsEmpty]: Start isEmpty. Operand 3033 states and 4177 transitions. [2025-03-08 20:19:52,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-03-08 20:19:52,462 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:19:52,462 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:19:52,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 20:19:52,463 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-08 20:19:52,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:19:52,463 INFO L85 PathProgramCache]: Analyzing trace with hash 96735992, now seen corresponding path program 1 times [2025-03-08 20:19:52,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:19:52,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488173164] [2025-03-08 20:19:52,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:19:52,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:19:54,120 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-03-08 20:19:54,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-03-08 20:19:54,180 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:19:54,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:19:54,512 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-03-08 20:19:54,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:19:54,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488173164] [2025-03-08 20:19:54,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488173164] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:19:54,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:19:54,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:19:54,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892670942] [2025-03-08 20:19:54,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:19:54,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:19:54,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:19:54,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:19:54,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:19:54,516 INFO L87 Difference]: Start difference. First operand 3033 states and 4177 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-08 20:19:58,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:19:59,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:19:59,279 INFO L93 Difference]: Finished difference Result 8799 states and 12191 transitions. [2025-03-08 20:19:59,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:19:59,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 138 [2025-03-08 20:19:59,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:19:59,319 INFO L225 Difference]: With dead ends: 8799 [2025-03-08 20:19:59,320 INFO L226 Difference]: Without dead ends: 5791 [2025-03-08 20:19:59,333 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 [2025-03-08 20:19:59,334 INFO L435 NwaCegarLoop]: 2402 mSDtfsCounter, 1956 mSDsluCounter, 2082 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1956 SdHoareTripleChecker+Valid, 4484 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2025-03-08 20:19:59,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1956 Valid, 4484 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 97 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2025-03-08 20:19:59,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5791 states. [2025-03-08 20:19:59,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5791 to 5756. [2025-03-08 20:19:59,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5756 states, 4210 states have (on average 1.2648456057007127) internal successors, (5325), 4260 states have internal predecessors, (5325), 1288 states have call successors, (1288), 258 states have call predecessors, (1288), 255 states have return successors, (1385), 1267 states have call predecessors, (1385), 1285 states have call successors, (1385) [2025-03-08 20:19:59,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5756 states to 5756 states and 7998 transitions. [2025-03-08 20:19:59,556 INFO L78 Accepts]: Start accepts. Automaton has 5756 states and 7998 transitions. Word has length 138 [2025-03-08 20:19:59,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:19:59,557 INFO L471 AbstractCegarLoop]: Abstraction has 5756 states and 7998 transitions. [2025-03-08 20:19:59,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-08 20:19:59,557 INFO L276 IsEmpty]: Start isEmpty. Operand 5756 states and 7998 transitions. [2025-03-08 20:19:59,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-03-08 20:19:59,561 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:19:59,562 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:19:59,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 20:19:59,562 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-08 20:19:59,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:19:59,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1484079478, now seen corresponding path program 1 times [2025-03-08 20:19:59,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:19:59,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821592914] [2025-03-08 20:19:59,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:19:59,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:20:01,463 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-03-08 20:20:01,510 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-03-08 20:20:01,510 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:20:01,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:20:01,782 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-03-08 20:20:01,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:20:01,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821592914] [2025-03-08 20:20:01,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821592914] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:20:01,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:20:01,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:20:01,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6742527] [2025-03-08 20:20:01,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:20:01,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:20:01,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:20:01,784 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:20:01,784 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:20:01,784 INFO L87 Difference]: Start difference. First operand 5756 states and 7998 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-08 20:20:05,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:20:07,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:20:07,117 INFO L93 Difference]: Finished difference Result 16398 states and 22722 transitions. [2025-03-08 20:20:07,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:20:07,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 145 [2025-03-08 20:20:07,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:20:07,182 INFO L225 Difference]: With dead ends: 16398 [2025-03-08 20:20:07,182 INFO L226 Difference]: Without dead ends: 10667 [2025-03-08 20:20:07,209 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 [2025-03-08 20:20:07,210 INFO L435 NwaCegarLoop]: 2332 mSDtfsCounter, 1798 mSDsluCounter, 2021 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1798 SdHoareTripleChecker+Valid, 4353 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2025-03-08 20:20:07,211 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1798 Valid, 4353 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 190 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2025-03-08 20:20:07,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10667 states. [2025-03-08 20:20:07,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10667 to 10628. [2025-03-08 20:20:07,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10628 states, 7728 states have (on average 1.2542701863354038) internal successors, (9693), 7834 states have internal predecessors, (9693), 2400 states have call successors, (2400), 502 states have call predecessors, (2400), 497 states have return successors, (2503), 2351 states have call predecessors, (2503), 2397 states have call successors, (2503) [2025-03-08 20:20:07,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10628 states to 10628 states and 14596 transitions. [2025-03-08 20:20:07,699 INFO L78 Accepts]: Start accepts. Automaton has 10628 states and 14596 transitions. Word has length 145 [2025-03-08 20:20:07,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:20:07,700 INFO L471 AbstractCegarLoop]: Abstraction has 10628 states and 14596 transitions. [2025-03-08 20:20:07,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-08 20:20:07,700 INFO L276 IsEmpty]: Start isEmpty. Operand 10628 states and 14596 transitions. [2025-03-08 20:20:07,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2025-03-08 20:20:07,704 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:20:07,704 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:20:07,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 20:20:07,704 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-08 20:20:07,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:20:07,707 INFO L85 PathProgramCache]: Analyzing trace with hash 621910474, now seen corresponding path program 1 times [2025-03-08 20:20:07,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:20:07,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081949323] [2025-03-08 20:20:07,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:20:07,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:20:09,326 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 153 statements into 1 equivalence classes. [2025-03-08 20:20:09,375 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 153 of 153 statements. [2025-03-08 20:20:09,375 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:20:09,375 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:20:09,637 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-03-08 20:20:09,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:20:09,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081949323] [2025-03-08 20:20:09,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081949323] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:20:09,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:20:09,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:20:09,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673214113] [2025-03-08 20:20:09,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:20:09,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:20:09,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:20:09,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:20:09,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:20:09,639 INFO L87 Difference]: Start difference. First operand 10628 states and 14596 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-08 20:20:13,698 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 [] [2025-03-08 20:20:14,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:20:14,704 INFO L93 Difference]: Finished difference Result 28548 states and 39316 transitions. [2025-03-08 20:20:14,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:20:14,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 153 [2025-03-08 20:20:14,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:20:14,811 INFO L225 Difference]: With dead ends: 28548 [2025-03-08 20:20:14,811 INFO L226 Difference]: Without dead ends: 17945 [2025-03-08 20:20:14,862 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 [2025-03-08 20:20:14,864 INFO L435 NwaCegarLoop]: 2130 mSDtfsCounter, 1601 mSDsluCounter, 2043 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1601 SdHoareTripleChecker+Valid, 4173 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2025-03-08 20:20:14,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1601 Valid, 4173 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 123 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2025-03-08 20:20:14,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17945 states. [2025-03-08 20:20:15,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17945 to 17898. [2025-03-08 20:20:15,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17898 states, 13004 states have (on average 1.248923408182098) internal successors, (16241), 13206 states have internal predecessors, (16241), 3952 states have call successors, (3952), 956 states have call predecessors, (3952), 939 states have return successors, (4467), 3827 states have call predecessors, (4467), 3949 states have call successors, (4467) [2025-03-08 20:20:15,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17898 states to 17898 states and 24660 transitions. [2025-03-08 20:20:15,471 INFO L78 Accepts]: Start accepts. Automaton has 17898 states and 24660 transitions. Word has length 153 [2025-03-08 20:20:15,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:20:15,473 INFO L471 AbstractCegarLoop]: Abstraction has 17898 states and 24660 transitions. [2025-03-08 20:20:15,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-08 20:20:15,473 INFO L276 IsEmpty]: Start isEmpty. Operand 17898 states and 24660 transitions. [2025-03-08 20:20:15,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2025-03-08 20:20:15,476 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:20:15,477 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 10, 10, 10, 10, 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] [2025-03-08 20:20:15,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 20:20:15,477 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-08 20:20:15,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:20:15,477 INFO L85 PathProgramCache]: Analyzing trace with hash 504993387, now seen corresponding path program 1 times [2025-03-08 20:20:15,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:20:15,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768138426] [2025-03-08 20:20:15,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:20:15,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:20:17,505 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-03-08 20:20:17,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-03-08 20:20:17,550 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:20:17,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:20:17,776 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2025-03-08 20:20:17,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:20:17,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768138426] [2025-03-08 20:20:17,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768138426] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:20:17,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:20:17,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:20:17,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390520673] [2025-03-08 20:20:17,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:20:17,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:20:17,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:20:17,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:20:17,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:20:17,779 INFO L87 Difference]: Start difference. First operand 17898 states and 24660 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-03-08 20:20:21,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:20:22,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:20:22,712 INFO L93 Difference]: Finished difference Result 33763 states and 46550 transitions. [2025-03-08 20:20:22,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:20:22,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 169 [2025-03-08 20:20:22,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:20:22,783 INFO L225 Difference]: With dead ends: 33763 [2025-03-08 20:20:22,783 INFO L226 Difference]: Without dead ends: 15890 [2025-03-08 20:20:22,832 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 [2025-03-08 20:20:22,832 INFO L435 NwaCegarLoop]: 3625 mSDtfsCounter, 2008 mSDsluCounter, 2063 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2008 SdHoareTripleChecker+Valid, 5688 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2025-03-08 20:20:22,833 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2008 Valid, 5688 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 138 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2025-03-08 20:20:22,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15890 states. [2025-03-08 20:20:23,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15890 to 15858. [2025-03-08 20:20:23,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15858 states, 11604 states have (on average 1.2450879007238884) internal successors, (14448), 11793 states have internal predecessors, (14448), 3420 states have call successors, (3420), 844 states have call predecessors, (3420), 831 states have return successors, (3909), 3302 states have call predecessors, (3909), 3417 states have call successors, (3909) [2025-03-08 20:20:23,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15858 states to 15858 states and 21777 transitions. [2025-03-08 20:20:23,359 INFO L78 Accepts]: Start accepts. Automaton has 15858 states and 21777 transitions. Word has length 169 [2025-03-08 20:20:23,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:20:23,360 INFO L471 AbstractCegarLoop]: Abstraction has 15858 states and 21777 transitions. [2025-03-08 20:20:23,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-03-08 20:20:23,360 INFO L276 IsEmpty]: Start isEmpty. Operand 15858 states and 21777 transitions. [2025-03-08 20:20:23,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2025-03-08 20:20:23,363 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:20:23,363 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 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] [2025-03-08 20:20:23,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 20:20:23,363 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-08 20:20:23,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:20:23,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1058675121, now seen corresponding path program 1 times [2025-03-08 20:20:23,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:20:23,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743212252] [2025-03-08 20:20:23,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:20:23,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:20:25,003 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-03-08 20:20:25,047 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-03-08 20:20:25,048 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:20:25,048 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:20:25,236 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2025-03-08 20:20:25,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:20:25,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743212252] [2025-03-08 20:20:25,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743212252] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:20:25,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:20:25,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:20:25,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079917964] [2025-03-08 20:20:25,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:20:25,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:20:25,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:20:25,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:20:25,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:20:25,238 INFO L87 Difference]: Start difference. First operand 15858 states and 21777 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2025-03-08 20:20:29,285 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 [] [2025-03-08 20:20:30,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:20:30,212 INFO L93 Difference]: Finished difference Result 46697 states and 64216 transitions. [2025-03-08 20:20:30,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:20:30,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 186 [2025-03-08 20:20:30,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:20:30,348 INFO L225 Difference]: With dead ends: 46697 [2025-03-08 20:20:30,348 INFO L226 Difference]: Without dead ends: 30933 [2025-03-08 20:20:30,398 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 [2025-03-08 20:20:30,400 INFO L435 NwaCegarLoop]: 2347 mSDtfsCounter, 2068 mSDsluCounter, 2091 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2068 SdHoareTripleChecker+Valid, 4438 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2025-03-08 20:20:30,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2068 Valid, 4438 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2025-03-08 20:20:30,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30933 states. [2025-03-08 20:20:31,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30933 to 30911. [2025-03-08 20:20:31,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30911 states, 22672 states have (on average 1.2471330275229358) internal successors, (28275), 23008 states have internal predecessors, (28275), 6623 states have call successors, (6623), 1638 states have call predecessors, (6623), 1613 states have return successors, (7604), 6428 states have call predecessors, (7604), 6620 states have call successors, (7604) [2025-03-08 20:20:31,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30911 states to 30911 states and 42502 transitions. [2025-03-08 20:20:31,552 INFO L78 Accepts]: Start accepts. Automaton has 30911 states and 42502 transitions. Word has length 186 [2025-03-08 20:20:31,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:20:31,553 INFO L471 AbstractCegarLoop]: Abstraction has 30911 states and 42502 transitions. [2025-03-08 20:20:31,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2025-03-08 20:20:31,554 INFO L276 IsEmpty]: Start isEmpty. Operand 30911 states and 42502 transitions. [2025-03-08 20:20:31,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2025-03-08 20:20:31,556 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:20:31,557 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 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] [2025-03-08 20:20:31,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 20:20:31,557 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-08 20:20:31,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:20:31,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1270026034, now seen corresponding path program 1 times [2025-03-08 20:20:31,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:20:31,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441215082] [2025-03-08 20:20:31,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:20:31,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:20:33,643 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-03-08 20:20:33,675 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-03-08 20:20:33,675 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:20:33,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:20:34,167 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2025-03-08 20:20:34,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:20:34,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441215082] [2025-03-08 20:20:34,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441215082] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:20:34,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:20:34,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 20:20:34,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797242853] [2025-03-08 20:20:34,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:20:34,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 20:20:34,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:20:34,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 20:20:34,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 20:20:34,169 INFO L87 Difference]: Start difference. First operand 30911 states and 42502 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-03-08 20:20:35,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:20:35,149 INFO L93 Difference]: Finished difference Result 30917 states and 42507 transitions. [2025-03-08 20:20:35,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 20:20:35,150 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 186 [2025-03-08 20:20:35,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:20:35,280 INFO L225 Difference]: With dead ends: 30917 [2025-03-08 20:20:35,280 INFO L226 Difference]: Without dead ends: 30915 [2025-03-08 20:20:35,297 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-08 20:20:35,297 INFO L435 NwaCegarLoop]: 2114 mSDtfsCounter, 2100 mSDsluCounter, 4215 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2101 SdHoareTripleChecker+Valid, 6329 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-08 20:20:35,297 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2101 Valid, 6329 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-08 20:20:35,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30915 states. [2025-03-08 20:20:36,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30915 to 30915. [2025-03-08 20:20:36,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30915 states, 22675 states have (on average 1.2471003307607498) internal successors, (28278), 23011 states have internal predecessors, (28278), 6623 states have call successors, (6623), 1639 states have call predecessors, (6623), 1614 states have return successors, (7604), 6428 states have call predecessors, (7604), 6620 states have call successors, (7604) [2025-03-08 20:20:36,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30915 states to 30915 states and 42505 transitions. [2025-03-08 20:20:36,470 INFO L78 Accepts]: Start accepts. Automaton has 30915 states and 42505 transitions. Word has length 186 [2025-03-08 20:20:36,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:20:36,470 INFO L471 AbstractCegarLoop]: Abstraction has 30915 states and 42505 transitions. [2025-03-08 20:20:36,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-03-08 20:20:36,471 INFO L276 IsEmpty]: Start isEmpty. Operand 30915 states and 42505 transitions. [2025-03-08 20:20:36,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2025-03-08 20:20:36,472 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:20:36,473 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 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] [2025-03-08 20:20:36,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 20:20:36,473 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-08 20:20:36,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:20:36,474 INFO L85 PathProgramCache]: Analyzing trace with hash -796729863, now seen corresponding path program 1 times [2025-03-08 20:20:36,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:20:36,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488687289] [2025-03-08 20:20:36,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:20:36,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:20:38,240 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-03-08 20:20:38,277 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-03-08 20:20:38,277 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:20:38,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:20:39,012 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2025-03-08 20:20:39,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:20:39,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488687289] [2025-03-08 20:20:39,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488687289] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:20:39,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:20:39,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 20:20:39,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230195652] [2025-03-08 20:20:39,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:20:39,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 20:20:39,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:20:39,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 20:20:39,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 20:20:39,014 INFO L87 Difference]: Start difference. First operand 30915 states and 42505 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-08 20:20:40,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:20:40,089 INFO L93 Difference]: Finished difference Result 30921 states and 42510 transitions. [2025-03-08 20:20:40,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 20:20:40,089 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 191 [2025-03-08 20:20:40,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:20:40,217 INFO L225 Difference]: With dead ends: 30921 [2025-03-08 20:20:40,218 INFO L226 Difference]: Without dead ends: 30919 [2025-03-08 20:20:40,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-08 20:20:40,235 INFO L435 NwaCegarLoop]: 2117 mSDtfsCounter, 2096 mSDsluCounter, 4216 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2097 SdHoareTripleChecker+Valid, 6333 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-08 20:20:40,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2097 Valid, 6333 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-08 20:20:40,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30919 states. [2025-03-08 20:20:41,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30919 to 30919. [2025-03-08 20:20:41,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30919 states, 22678 states have (on average 1.2470676426492635) internal successors, (28281), 23014 states have internal predecessors, (28281), 6623 states have call successors, (6623), 1640 states have call predecessors, (6623), 1615 states have return successors, (7604), 6428 states have call predecessors, (7604), 6620 states have call successors, (7604) [2025-03-08 20:20:41,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30919 states to 30919 states and 42508 transitions. [2025-03-08 20:20:41,392 INFO L78 Accepts]: Start accepts. Automaton has 30919 states and 42508 transitions. Word has length 191 [2025-03-08 20:20:41,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:20:41,396 INFO L471 AbstractCegarLoop]: Abstraction has 30919 states and 42508 transitions. [2025-03-08 20:20:41,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-08 20:20:41,396 INFO L276 IsEmpty]: Start isEmpty. Operand 30919 states and 42508 transitions. [2025-03-08 20:20:41,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2025-03-08 20:20:41,403 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:20:41,403 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 3, 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] [2025-03-08 20:20:41,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 20:20:41,404 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-08 20:20:41,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:20:41,405 INFO L85 PathProgramCache]: Analyzing trace with hash -824501294, now seen corresponding path program 1 times [2025-03-08 20:20:41,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:20:41,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520321432] [2025-03-08 20:20:41,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:20:41,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:20:43,299 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-03-08 20:20:43,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-03-08 20:20:43,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:20:43,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:20:43,902 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2025-03-08 20:20:43,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:20:43,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520321432] [2025-03-08 20:20:43,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520321432] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:20:43,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:20:43,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 20:20:43,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696401361] [2025-03-08 20:20:43,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:20:43,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 20:20:43,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:20:43,904 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 20:20:43,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 20:20:43,904 INFO L87 Difference]: Start difference. First operand 30919 states and 42508 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-08 20:20:45,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:20:45,198 INFO L93 Difference]: Finished difference Result 30925 states and 42513 transitions. [2025-03-08 20:20:45,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 20:20:45,198 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 196 [2025-03-08 20:20:45,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:20:45,322 INFO L225 Difference]: With dead ends: 30925 [2025-03-08 20:20:45,322 INFO L226 Difference]: Without dead ends: 30923 [2025-03-08 20:20:45,335 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-08 20:20:45,336 INFO L435 NwaCegarLoop]: 2117 mSDtfsCounter, 2095 mSDsluCounter, 4216 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2096 SdHoareTripleChecker+Valid, 6333 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-08 20:20:45,336 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2096 Valid, 6333 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-08 20:20:45,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30923 states. [2025-03-08 20:20:46,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30923 to 30923.