./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 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/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-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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-?-551b009-m [2025-01-09 19:41:54,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 19:41:54,834 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 19:41:54,839 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 19:41:54,839 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 19:41:54,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 19:41:54,860 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 19:41:54,860 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 19:41:54,861 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 19:41:54,861 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 19:41:54,861 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 19:41:54,861 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 19:41:54,861 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 19:41:54,861 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 19:41:54,862 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 19:41:54,862 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 19:41:54,862 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 19:41:54,862 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 19:41:54,862 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 19:41:54,862 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 19:41:54,862 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 19:41:54,863 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 19:41:54,863 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 19:41:54,863 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 19:41:54,863 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 19:41:54,863 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 19:41:54,863 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 19:41:54,863 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 19:41:54,863 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 19:41:54,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:41:54,864 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 19:41:54,864 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 19:41:54,864 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 19:41:54,864 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 19:41:54,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:41:54,864 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 19:41:54,864 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 19:41:54,865 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 19:41:54,865 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 19:41:54,865 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 19:41:54,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 19:41:54,865 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 19:41:54,865 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 19:41:54,865 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 19:41:54,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 19:41:54,865 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-jdk21/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 [2025-01-09 19:41:55,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 19:41:55,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 19:41:55,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 19:41:55,147 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 19:41:55,147 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 19:41:55,149 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i [2025-01-09 19:41:56,427 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fe39c3334/e8ff19e08db446188e8a61a472ee564e/FLAGba6c8160d [2025-01-09 19:41:57,000 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 19:41:57,001 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i [2025-01-09 19:41:57,049 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fe39c3334/e8ff19e08db446188e8a61a472ee564e/FLAGba6c8160d [2025-01-09 19:41:57,061 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fe39c3334/e8ff19e08db446188e8a61a472ee564e [2025-01-09 19:41:57,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 19:41:57,065 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 19:41:57,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 19:41:57,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 19:41:57,070 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 19:41:57,070 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:41:57" (1/1) ... [2025-01-09 19:41:57,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f93efe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:41:57, skipping insertion in model container [2025-01-09 19:41:57,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:41:57" (1/1) ... [2025-01-09 19:41:57,162 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 19:41:59,413 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/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] [2025-01-09 19:41:59,419 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/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] [2025-01-09 19:41:59,420 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/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] [2025-01-09 19:41:59,420 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/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] [2025-01-09 19:41:59,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 19:41:59,478 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 19:41:59,576 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] [2025-01-09 19:41:59,578 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] [2025-01-09 19:41:59,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5195] [2025-01-09 19:41:59,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [5244] [2025-01-09 19:41:59,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5316] [2025-01-09 19:41:59,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5323] [2025-01-09 19:41:59,592 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] [2025-01-09 19:41:59,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5529] [2025-01-09 19:41:59,807 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/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] [2025-01-09 19:41:59,807 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/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] [2025-01-09 19:41:59,808 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/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] [2025-01-09 19:41:59,809 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/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] [2025-01-09 19:41:59,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 19:41:59,980 INFO L204 MainTranslator]: Completed translation [2025-01-09 19:41:59,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:41:59 WrapperNode [2025-01-09 19:41:59,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 19:41:59,983 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 19:41:59,983 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 19:41:59,983 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 19:41:59,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:41:59" (1/1) ... [2025-01-09 19:42:00,068 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:41:59" (1/1) ... [2025-01-09 19:42:00,238 INFO L138 Inliner]: procedures = 410, calls = 2035, calls flagged for inlining = 211, calls inlined = 188, statements flattened = 4788 [2025-01-09 19:42:00,242 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 19:42:00,243 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 19:42:00,243 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 19:42:00,243 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 19:42:00,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:41:59" (1/1) ... [2025-01-09 19:42:00,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:41:59" (1/1) ... [2025-01-09 19:42:00,273 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:41:59" (1/1) ... [2025-01-09 19:42:01,067 INFO L175 MemorySlicer]: Split 898 memory accesses to 23 slices as follows [4, 1, 4, 5, 1, 4, 1, 4, 1, 5, 449, 1, 2, 26, 13, 5, 5, 5, 5, 149, 4, 203, 1]. 50 percent of accesses are in the largest equivalence class. The 224 initializations are split as follows [4, 1, 4, 5, 1, 4, 1, 4, 0, 5, 5, 1, 2, 0, 13, 5, 5, 5, 5, 149, 4, 0, 1]. The 367 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 169, 0, 0, 24, 0, 0, 0, 0, 0, 0, 0, 174, 0]. [2025-01-09 19:42:01,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:41:59" (1/1) ... [2025-01-09 19:42:01,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:41:59" (1/1) ... [2025-01-09 19:42:01,193 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:41:59" (1/1) ... [2025-01-09 19:42:01,205 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:41:59" (1/1) ... [2025-01-09 19:42:01,226 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:41:59" (1/1) ... [2025-01-09 19:42:01,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:41:59" (1/1) ... [2025-01-09 19:42:01,275 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:41:59" (1/1) ... [2025-01-09 19:42:01,320 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 19:42:01,321 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 19:42:01,322 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 19:42:01,322 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 19:42:01,323 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:41:59" (1/1) ... [2025-01-09 19:42:01,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:42:01,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 19:42:01,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 19:42:01,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 19:42:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_probe [2025-01-09 19:42:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_probe [2025-01-09 19:42:01,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-01-09 19:42:01,391 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-01-09 19:42:01,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-01-09 19:42:01,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-01-09 19:42:01,392 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2025-01-09 19:42:01,392 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2025-01-09 19:42:01,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-01-09 19:42:01,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-01-09 19:42:01,393 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2025-01-09 19:42:01,393 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2025-01-09 19:42:01,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2025-01-09 19:42:01,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2025-01-09 19:42:01,393 INFO L130 BoogieDeclarations]: Found specification of procedure __dnet_set_hwaddr [2025-01-09 19:42:01,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __dnet_set_hwaddr [2025-01-09 19:42:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-01-09 19:42:01,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-01-09 19:42:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2025-01-09 19:42:01,394 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2025-01-09 19:42:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2025-01-09 19:42:01,394 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2025-01-09 19:42:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2025-01-09 19:42:01,394 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2025-01-09 19:42:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-01-09 19:42:01,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-01-09 19:42:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 19:42:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2025-01-09 19:42:01,394 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2025-01-09 19:42:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-01-09 19:42:01,395 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-01-09 19:42:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-01-09 19:42:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-01-09 19:42:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-01-09 19:42:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-01-09 19:42:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-01-09 19:42:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-01-09 19:42:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-01-09 19:42:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-01-09 19:42:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-01-09 19:42:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-01-09 19:42:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-01-09 19:42:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-01-09 19:42:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-01-09 19:42:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-01-09 19:42:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2025-01-09 19:42:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2025-01-09 19:42:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2025-01-09 19:42:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2025-01-09 19:42:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2025-01-09 19:42:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2025-01-09 19:42:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2025-01-09 19:42:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2025-01-09 19:42:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2025-01-09 19:42:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2025-01-09 19:42:01,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2025-01-09 19:42:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 19:42:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 19:42:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 19:42:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 19:42:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 19:42:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 19:42:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 19:42:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 19:42:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 19:42:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 19:42:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 19:42:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-01-09 19:42:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-01-09 19:42:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-01-09 19:42:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-01-09 19:42:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-01-09 19:42:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-01-09 19:42:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-01-09 19:42:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-01-09 19:42:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-01-09 19:42:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-01-09 19:42:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-01-09 19:42:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-01-09 19:42:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-01-09 19:42:01,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-01-09 19:42:01,400 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2025-01-09 19:42:01,400 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2025-01-09 19:42:01,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 19:42:01,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 19:42:01,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 19:42:01,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 19:42:01,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 19:42:01,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 19:42:01,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 19:42:01,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 19:42:01,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 19:42:01,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 19:42:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 19:42:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 19:42:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 19:42:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 19:42:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-01-09 19:42:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-01-09 19:42:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-01-09 19:42:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-01-09 19:42:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-01-09 19:42:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-01-09 19:42:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-01-09 19:42:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-01-09 19:42:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-01-09 19:42:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2025-01-09 19:42:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2025-01-09 19:42:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_reset_hw [2025-01-09 19:42:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_reset_hw [2025-01-09 19:42:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-01-09 19:42:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-01-09 19:42:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 19:42:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2025-01-09 19:42:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2025-01-09 19:42:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2025-01-09 19:42:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2025-01-09 19:42:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2025-01-09 19:42:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2025-01-09 19:42:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 19:42:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2025-01-09 19:42:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2025-01-09 19:42:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-01-09 19:42:01,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-01-09 19:42:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2025-01-09 19:42:01,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2025-01-09 19:42:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 19:42:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 19:42:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 19:42:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 19:42:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 19:42:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 19:42:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 19:42:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 19:42:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 19:42:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-01-09 19:42:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-01-09 19:42:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-01-09 19:42:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-01-09 19:42:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-01-09 19:42:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-01-09 19:42:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-01-09 19:42:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-01-09 19:42:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-01-09 19:42:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-01-09 19:42:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-01-09 19:42:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-01-09 19:42:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2025-01-09 19:42:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2025-01-09 19:42:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-01-09 19:42:01,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-01-09 19:42:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2025-01-09 19:42:01,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2025-01-09 19:42:01,403 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2025-01-09 19:42:01,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2025-01-09 19:42:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-01-09 19:42:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-01-09 19:42:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2025-01-09 19:42:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2025-01-09 19:42:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2025-01-09 19:42:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2025-01-09 19:42:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2025-01-09 19:42:01,407 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2025-01-09 19:42:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2025-01-09 19:42:01,407 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2025-01-09 19:42:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 19:42:01,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 19:42:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2025-01-09 19:42:01,407 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2025-01-09 19:42:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2025-01-09 19:42:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-01-09 19:42:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-01-09 19:42:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-01-09 19:42:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-01-09 19:42:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-01-09 19:42:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-01-09 19:42:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-01-09 19:42:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-01-09 19:42:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-01-09 19:42:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-01-09 19:42:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-01-09 19:42:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2025-01-09 19:42:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2025-01-09 19:42:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2025-01-09 19:42:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-01-09 19:42:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-01-09 19:42:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2025-01-09 19:42:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2025-01-09 19:42:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-01-09 19:42:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-01-09 19:42:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_dnet [2025-01-09 19:42:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_dnet [2025-01-09 19:42:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2025-01-09 19:42:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2025-01-09 19:42:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_readw_mac [2025-01-09 19:42:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_readw_mac [2025-01-09 19:42:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 19:42:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 19:42:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 19:42:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 19:42:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 19:42:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 19:42:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 19:42:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 19:42:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 19:42:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 19:42:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-01-09 19:42:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-01-09 19:42:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-01-09 19:42:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-01-09 19:42:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-01-09 19:42:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-01-09 19:42:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-01-09 19:42:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-01-09 19:42:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-01-09 19:42:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-01-09 19:42:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-01-09 19:42:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-01-09 19:42:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2025-01-09 19:42:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2025-01-09 19:42:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-01-09 19:42:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-01-09 19:42:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2025-01-09 19:42:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2025-01-09 19:42:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2025-01-09 19:42:01,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2025-01-09 19:42:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2025-01-09 19:42:01,414 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2025-01-09 19:42:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-01-09 19:42:01,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-01-09 19:42:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2025-01-09 19:42:01,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2025-01-09 19:42:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_close [2025-01-09 19:42:01,414 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_close [2025-01-09 19:42:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2025-01-09 19:42:01,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2025-01-09 19:42:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_handle_link_change [2025-01-09 19:42:01,414 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_handle_link_change [2025-01-09 19:42:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2025-01-09 19:42:01,414 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2025-01-09 19:42:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2025-01-09 19:42:01,414 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2025-01-09 19:42:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_writew_mac [2025-01-09 19:42:01,414 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_writew_mac [2025-01-09 19:42:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2025-01-09 19:42:01,414 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2025-01-09 19:42:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-01-09 19:42:01,414 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-01-09 19:42:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 19:42:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 19:42:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 19:42:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 19:42:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 19:42:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 19:42:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 19:42:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 19:42:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 19:42:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 19:42:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 19:42:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 19:42:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 19:42:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 19:42:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-01-09 19:42:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-01-09 19:42:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-01-09 19:42:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-01-09 19:42:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-01-09 19:42:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-01-09 19:42:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-01-09 19:42:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-01-09 19:42:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-01-09 19:42:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2025-01-09 19:42:01,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2025-01-09 19:42:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-01-09 19:42:01,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-01-09 19:42:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_remove [2025-01-09 19:42:01,416 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_remove [2025-01-09 19:42:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2025-01-09 19:42:01,416 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2025-01-09 19:42:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_open [2025-01-09 19:42:01,416 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_open [2025-01-09 19:42:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure phy_connect [2025-01-09 19:42:01,417 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_connect [2025-01-09 19:42:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-01-09 19:42:01,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-01-09 19:42:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2025-01-09 19:42:01,417 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2025-01-09 19:42:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 19:42:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 19:42:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 19:42:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 19:42:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 19:42:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 19:42:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 19:42:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 19:42:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 19:42:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 19:42:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 19:42:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 19:42:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 19:42:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 19:42:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 19:42:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-01-09 19:42:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-01-09 19:42:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-01-09 19:42:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-01-09 19:42:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-01-09 19:42:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-01-09 19:42:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-01-09 19:42:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-01-09 19:42:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-01-09 19:42:01,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-01-09 19:42:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2025-01-09 19:42:01,417 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2025-01-09 19:42:02,223 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 19:42:02,225 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 19:42:02,931 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-01-09 19:42:15,219 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-01-09 19:42:15,945 INFO L? ?]: Removed 1836 outVars from TransFormulas that were not future-live. [2025-01-09 19:42:15,946 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 19:42:15,999 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 19:42:16,001 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 19:42:16,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:42:16 BoogieIcfgContainer [2025-01-09 19:42:16,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 19:42:16,005 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 19:42:16,005 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 19:42:16,010 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 19:42:16,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 07:41:57" (1/3) ... [2025-01-09 19:42:16,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d758da9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:42:16, skipping insertion in model container [2025-01-09 19:42:16,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:41:59" (2/3) ... [2025-01-09 19:42:16,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d758da9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:42:16, skipping insertion in model container [2025-01-09 19:42:16,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:42:16" (3/3) ... [2025-01-09 19:42:16,014 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i [2025-01-09 19:42:16,028 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 19:42:16,035 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, 1577 locations, 1 initial locations, 3 loop locations, and 3 error locations. [2025-01-09 19:42:16,148 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 19:42:16,161 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;@32ef8ded, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 19:42:16,161 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-01-09 19:42:16,172 INFO L276 IsEmpty]: Start isEmpty. Operand has 1575 states, 1137 states have (on average 1.2770448548812665) internal successors, (1452), 1150 states have internal predecessors, (1452), 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) [2025-01-09 19:42:16,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-01-09 19:42:16,189 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:42:16,190 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] [2025-01-09 19:42:16,190 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)] === [2025-01-09 19:42:16,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:42:16,196 INFO L85 PathProgramCache]: Analyzing trace with hash 418153186, now seen corresponding path program 1 times [2025-01-09 19:42:16,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:42:16,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074889455] [2025-01-09 19:42:16,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:42:16,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:42:18,489 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-01-09 19:42:18,788 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-01-09 19:42:18,789 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:42:18,789 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:42:19,440 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-01-09 19:42:19,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:42:19,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074889455] [2025-01-09 19:42:19,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074889455] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:42:19,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:42:19,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:42:19,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361044883] [2025-01-09 19:42:19,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:42:19,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:42:19,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:42:19,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:42:19,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:42:19,475 INFO L87 Difference]: Start difference. First operand has 1575 states, 1137 states have (on average 1.2770448548812665) internal successors, (1452), 1150 states have internal predecessors, (1452), 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) [2025-01-09 19:42:23,534 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 [] [2025-01-09 19:42:23,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:42:23,925 INFO L93 Difference]: Finished difference Result 4595 states and 6461 transitions. [2025-01-09 19:42:23,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:42:23,928 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 [2025-01-09 19:42:23,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:42:23,972 INFO L225 Difference]: With dead ends: 4595 [2025-01-09 19:42:23,973 INFO L226 Difference]: Without dead ends: 3033 [2025-01-09 19:42:23,991 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 [2025-01-09 19:42:23,994 INFO L435 NwaCegarLoop]: 2187 mSDtfsCounter, 2067 mSDsluCounter, 2125 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2067 SdHoareTripleChecker+Valid, 4312 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2025-01-09 19:42:23,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2067 Valid, 4312 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2025-01-09 19:42:24,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3033 states. [2025-01-09 19:42:24,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3033 to 3029. [2025-01-09 19:42:24,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3029 states, 2208 states have (on average 1.2672101449275361) internal successors, (2798), 2232 states have internal predecessors, (2798), 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) [2025-01-09 19:42:24,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3029 states to 3029 states and 4173 transitions. [2025-01-09 19:42:24,298 INFO L78 Accepts]: Start accepts. Automaton has 3029 states and 4173 transitions. Word has length 134 [2025-01-09 19:42:24,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:42:24,299 INFO L471 AbstractCegarLoop]: Abstraction has 3029 states and 4173 transitions. [2025-01-09 19:42:24,299 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) [2025-01-09 19:42:24,299 INFO L276 IsEmpty]: Start isEmpty. Operand 3029 states and 4173 transitions. [2025-01-09 19:42:24,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-01-09 19:42:24,308 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:42:24,309 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] [2025-01-09 19:42:24,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 19:42:24,309 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)] === [2025-01-09 19:42:24,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:42:24,310 INFO L85 PathProgramCache]: Analyzing trace with hash 2122086238, now seen corresponding path program 1 times [2025-01-09 19:42:24,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:42:24,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194227930] [2025-01-09 19:42:24,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:42:24,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:42:26,098 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-01-09 19:42:26,185 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-01-09 19:42:26,185 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:42:26,185 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:42:26,598 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-01-09 19:42:26,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:42:26,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194227930] [2025-01-09 19:42:26,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194227930] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:42:26,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:42:26,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:42:26,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857048877] [2025-01-09 19:42:26,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:42:26,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:42:26,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:42:26,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:42:26,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:42:26,603 INFO L87 Difference]: Start difference. First operand 3029 states and 4173 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) [2025-01-09 19:42:30,652 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 [] [2025-01-09 19:42:31,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:42:31,093 INFO L93 Difference]: Finished difference Result 8787 states and 12179 transitions. [2025-01-09 19:42:31,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:42:31,093 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 [2025-01-09 19:42:31,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:42:31,142 INFO L225 Difference]: With dead ends: 8787 [2025-01-09 19:42:31,142 INFO L226 Difference]: Without dead ends: 5783 [2025-01-09 19:42:31,159 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 [2025-01-09 19:42:31,161 INFO L435 NwaCegarLoop]: 2442 mSDtfsCounter, 1954 mSDsluCounter, 2112 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1954 SdHoareTripleChecker+Valid, 4554 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2025-01-09 19:42:31,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1954 Valid, 4554 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2025-01-09 19:42:31,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5783 states. [2025-01-09 19:42:31,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5783 to 5748. [2025-01-09 19:42:31,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5748 states, 4202 states have (on average 1.2653498334126607) internal successors, (5317), 4252 states have internal predecessors, (5317), 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) [2025-01-09 19:42:31,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5748 states to 5748 states and 7990 transitions. [2025-01-09 19:42:31,559 INFO L78 Accepts]: Start accepts. Automaton has 5748 states and 7990 transitions. Word has length 138 [2025-01-09 19:42:31,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:42:31,559 INFO L471 AbstractCegarLoop]: Abstraction has 5748 states and 7990 transitions. [2025-01-09 19:42:31,560 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) [2025-01-09 19:42:31,560 INFO L276 IsEmpty]: Start isEmpty. Operand 5748 states and 7990 transitions. [2025-01-09 19:42:31,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-01-09 19:42:31,563 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:42:31,563 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] [2025-01-09 19:42:31,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 19:42:31,564 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)] === [2025-01-09 19:42:31,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:42:31,564 INFO L85 PathProgramCache]: Analyzing trace with hash 957104565, now seen corresponding path program 1 times [2025-01-09 19:42:31,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:42:31,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205578454] [2025-01-09 19:42:31,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:42:31,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:42:33,378 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-01-09 19:42:33,438 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-01-09 19:42:33,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:42:33,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:42:33,797 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-01-09 19:42:33,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:42:33,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205578454] [2025-01-09 19:42:33,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205578454] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:42:33,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:42:33,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:42:33,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90644472] [2025-01-09 19:42:33,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:42:33,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:42:33,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:42:33,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:42:33,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:42:33,801 INFO L87 Difference]: Start difference. First operand 5748 states and 7990 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) [2025-01-09 19:42:37,839 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 [] [2025-01-09 19:42:39,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:42:39,073 INFO L93 Difference]: Finished difference Result 16374 states and 22698 transitions. [2025-01-09 19:42:39,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:42:39,074 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 [2025-01-09 19:42:39,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:42:39,152 INFO L225 Difference]: With dead ends: 16374 [2025-01-09 19:42:39,152 INFO L226 Difference]: Without dead ends: 10651 [2025-01-09 19:42:39,180 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 [2025-01-09 19:42:39,183 INFO L435 NwaCegarLoop]: 2391 mSDtfsCounter, 1796 mSDsluCounter, 2051 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1796 SdHoareTripleChecker+Valid, 4442 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2025-01-09 19:42:39,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1796 Valid, 4442 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 121 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2025-01-09 19:42:39,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10651 states. [2025-01-09 19:42:39,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10651 to 10612. [2025-01-09 19:42:39,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10612 states, 7712 states have (on average 1.2547977178423237) internal successors, (9677), 7818 states have internal predecessors, (9677), 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) [2025-01-09 19:42:39,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10612 states to 10612 states and 14580 transitions. [2025-01-09 19:42:39,695 INFO L78 Accepts]: Start accepts. Automaton has 10612 states and 14580 transitions. Word has length 145 [2025-01-09 19:42:39,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:42:39,696 INFO L471 AbstractCegarLoop]: Abstraction has 10612 states and 14580 transitions. [2025-01-09 19:42:39,696 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) [2025-01-09 19:42:39,697 INFO L276 IsEmpty]: Start isEmpty. Operand 10612 states and 14580 transitions. [2025-01-09 19:42:39,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2025-01-09 19:42:39,701 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:42:39,702 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] [2025-01-09 19:42:39,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 19:42:39,702 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)] === [2025-01-09 19:42:39,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:42:39,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1677272146, now seen corresponding path program 1 times [2025-01-09 19:42:39,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:42:39,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228232059] [2025-01-09 19:42:39,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:42:39,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:42:41,540 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 153 statements into 1 equivalence classes. [2025-01-09 19:42:41,600 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 153 of 153 statements. [2025-01-09 19:42:41,601 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:42:41,601 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:42:41,817 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-01-09 19:42:41,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:42:41,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228232059] [2025-01-09 19:42:41,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228232059] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:42:41,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:42:41,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:42:41,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957090385] [2025-01-09 19:42:41,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:42:41,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:42:41,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:42:41,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:42:41,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:42:41,819 INFO L87 Difference]: Start difference. First operand 10612 states and 14580 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) [2025-01-09 19:42:45,855 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 [] [2025-01-09 19:42:46,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:42:46,967 INFO L93 Difference]: Finished difference Result 28500 states and 39268 transitions. [2025-01-09 19:42:46,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:42:46,968 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 [2025-01-09 19:42:46,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:42:47,109 INFO L225 Difference]: With dead ends: 28500 [2025-01-09 19:42:47,109 INFO L226 Difference]: Without dead ends: 17913 [2025-01-09 19:42:47,168 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 [2025-01-09 19:42:47,170 INFO L435 NwaCegarLoop]: 2160 mSDtfsCounter, 1599 mSDsluCounter, 2073 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1599 SdHoareTripleChecker+Valid, 4233 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2025-01-09 19:42:47,171 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1599 Valid, 4233 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 59 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2025-01-09 19:42:47,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17913 states. [2025-01-09 19:42:48,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17913 to 17866. [2025-01-09 19:42:48,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17866 states, 12972 states have (on average 1.2495374653098983) internal successors, (16209), 13174 states have internal predecessors, (16209), 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) [2025-01-09 19:42:48,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17866 states to 17866 states and 24628 transitions. [2025-01-09 19:42:48,206 INFO L78 Accepts]: Start accepts. Automaton has 17866 states and 24628 transitions. Word has length 153 [2025-01-09 19:42:48,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:42:48,208 INFO L471 AbstractCegarLoop]: Abstraction has 17866 states and 24628 transitions. [2025-01-09 19:42:48,209 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) [2025-01-09 19:42:48,209 INFO L276 IsEmpty]: Start isEmpty. Operand 17866 states and 24628 transitions. [2025-01-09 19:42:48,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2025-01-09 19:42:48,215 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:42:48,215 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] [2025-01-09 19:42:48,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 19:42:48,216 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)] === [2025-01-09 19:42:48,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:42:48,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1093772875, now seen corresponding path program 1 times [2025-01-09 19:42:48,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:42:48,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059870644] [2025-01-09 19:42:48,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:42:48,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:42:50,018 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-01-09 19:42:50,073 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-01-09 19:42:50,073 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:42:50,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:42:50,358 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2025-01-09 19:42:50,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:42:50,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059870644] [2025-01-09 19:42:50,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059870644] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:42:50,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:42:50,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:42:50,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751214153] [2025-01-09 19:42:50,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:42:50,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:42:50,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:42:50,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:42:50,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:42:50,360 INFO L87 Difference]: Start difference. First operand 17866 states and 24628 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) [2025-01-09 19:42:54,397 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 [] [2025-01-09 19:42:55,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:42:55,188 INFO L93 Difference]: Finished difference Result 33707 states and 46494 transitions. [2025-01-09 19:42:55,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:42:55,189 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 [2025-01-09 19:42:55,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:42:55,277 INFO L225 Difference]: With dead ends: 33707 [2025-01-09 19:42:55,277 INFO L226 Difference]: Without dead ends: 15866 [2025-01-09 19:42:55,339 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 [2025-01-09 19:42:55,340 INFO L435 NwaCegarLoop]: 3692 mSDtfsCounter, 2006 mSDsluCounter, 2093 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2006 SdHoareTripleChecker+Valid, 5785 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2025-01-09 19:42:55,340 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2006 Valid, 5785 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2025-01-09 19:42:55,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15866 states. [2025-01-09 19:42:55,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15866 to 15834. [2025-01-09 19:42:55,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15834 states, 11580 states have (on average 1.2455958549222799) internal successors, (14424), 11769 states have internal predecessors, (14424), 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) [2025-01-09 19:42:55,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15834 states to 15834 states and 21753 transitions. [2025-01-09 19:42:55,923 INFO L78 Accepts]: Start accepts. Automaton has 15834 states and 21753 transitions. Word has length 169 [2025-01-09 19:42:55,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:42:55,923 INFO L471 AbstractCegarLoop]: Abstraction has 15834 states and 21753 transitions. [2025-01-09 19:42:55,924 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) [2025-01-09 19:42:55,924 INFO L276 IsEmpty]: Start isEmpty. Operand 15834 states and 21753 transitions. [2025-01-09 19:42:55,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2025-01-09 19:42:55,928 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:42:55,928 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] [2025-01-09 19:42:55,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 19:42:55,928 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)] === [2025-01-09 19:42:55,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:42:55,929 INFO L85 PathProgramCache]: Analyzing trace with hash 657378656, now seen corresponding path program 1 times [2025-01-09 19:42:55,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:42:55,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414570095] [2025-01-09 19:42:55,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:42:55,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:42:57,586 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-01-09 19:42:57,638 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-01-09 19:42:57,638 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:42:57,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:42:57,824 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2025-01-09 19:42:57,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:42:57,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414570095] [2025-01-09 19:42:57,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414570095] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:42:57,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:42:57,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:42:57,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713992611] [2025-01-09 19:42:57,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:42:57,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:42:57,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:42:57,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:42:57,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:42:57,826 INFO L87 Difference]: Start difference. First operand 15834 states and 21753 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) [2025-01-09 19:43:01,864 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 [] [2025-01-09 19:43:02,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:43:02,566 INFO L93 Difference]: Finished difference Result 46625 states and 64144 transitions. [2025-01-09 19:43:02,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:43:02,567 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 [2025-01-09 19:43:02,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:43:02,728 INFO L225 Difference]: With dead ends: 46625 [2025-01-09 19:43:02,728 INFO L226 Difference]: Without dead ends: 30885 [2025-01-09 19:43:02,785 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 [2025-01-09 19:43:02,787 INFO L435 NwaCegarLoop]: 2274 mSDtfsCounter, 2066 mSDsluCounter, 2121 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2066 SdHoareTripleChecker+Valid, 4395 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-01-09 19:43:02,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2066 Valid, 4395 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-01-09 19:43:02,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30885 states. [2025-01-09 19:43:03,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30885 to 30863. [2025-01-09 19:43:04,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30863 states, 22624 states have (on average 1.2476573550212164) internal successors, (28227), 22960 states have internal predecessors, (28227), 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) [2025-01-09 19:43:04,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30863 states to 30863 states and 42454 transitions. [2025-01-09 19:43:04,266 INFO L78 Accepts]: Start accepts. Automaton has 30863 states and 42454 transitions. Word has length 186 [2025-01-09 19:43:04,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:43:04,267 INFO L471 AbstractCegarLoop]: Abstraction has 30863 states and 42454 transitions. [2025-01-09 19:43:04,267 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) [2025-01-09 19:43:04,267 INFO L276 IsEmpty]: Start isEmpty. Operand 30863 states and 42454 transitions. [2025-01-09 19:43:04,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2025-01-09 19:43:04,271 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:43:04,272 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] [2025-01-09 19:43:04,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 19:43:04,272 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)] === [2025-01-09 19:43:04,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:43:04,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1080080482, now seen corresponding path program 1 times [2025-01-09 19:43:04,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:43:04,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522177637] [2025-01-09 19:43:04,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:43:04,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:43:06,158 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-01-09 19:43:06,203 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-01-09 19:43:06,203 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:43:06,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:43:06,915 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2025-01-09 19:43:06,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:43:06,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522177637] [2025-01-09 19:43:06,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522177637] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:43:06,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:43:06,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 19:43:06,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208088409] [2025-01-09 19:43:06,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:43:06,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 19:43:06,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:43:06,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 19:43:06,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 19:43:06,919 INFO L87 Difference]: Start difference. First operand 30863 states and 42454 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) [2025-01-09 19:43:08,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:43:08,131 INFO L93 Difference]: Finished difference Result 30869 states and 42459 transitions. [2025-01-09 19:43:08,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 19:43:08,132 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 [2025-01-09 19:43:08,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:43:08,325 INFO L225 Difference]: With dead ends: 30869 [2025-01-09 19:43:08,325 INFO L226 Difference]: Without dead ends: 30867 [2025-01-09 19:43:08,355 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-09 19:43:08,356 INFO L435 NwaCegarLoop]: 2144 mSDtfsCounter, 2098 mSDsluCounter, 4275 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2099 SdHoareTripleChecker+Valid, 6419 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 19:43:08,357 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2099 Valid, 6419 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 19:43:08,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30867 states. [2025-01-09 19:43:09,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30867 to 30867. [2025-01-09 19:43:09,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30867 states, 22627 states have (on average 1.2476245193795024) internal successors, (28230), 22963 states have internal predecessors, (28230), 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) [2025-01-09 19:43:09,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30867 states to 30867 states and 42457 transitions. [2025-01-09 19:43:09,946 INFO L78 Accepts]: Start accepts. Automaton has 30867 states and 42457 transitions. Word has length 186 [2025-01-09 19:43:09,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:43:09,950 INFO L471 AbstractCegarLoop]: Abstraction has 30867 states and 42457 transitions. [2025-01-09 19:43:09,951 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) [2025-01-09 19:43:09,951 INFO L276 IsEmpty]: Start isEmpty. Operand 30867 states and 42457 transitions. [2025-01-09 19:43:09,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2025-01-09 19:43:09,953 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:43:09,953 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] [2025-01-09 19:43:09,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 19:43:09,954 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)] === [2025-01-09 19:43:09,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:43:09,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1124678163, now seen corresponding path program 1 times [2025-01-09 19:43:09,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:43:09,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783568807] [2025-01-09 19:43:09,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:43:09,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms