./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fbb6aba39a63540626ae26255eab93a5f2c0864f87ba11cb320579066e7aefd2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 14:13:46,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 14:13:46,727 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 14:13:46,734 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 14:13:46,738 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 14:13:46,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 14:13:46,754 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 14:13:46,754 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 14:13:46,755 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 14:13:46,755 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 14:13:46,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 14:13:46,756 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 14:13:46,756 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 14:13:46,757 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 14:13:46,757 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 14:13:46,757 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 14:13:46,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 14:13:46,758 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 14:13:46,758 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 14:13:46,759 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 14:13:46,759 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 14:13:46,759 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 14:13:46,760 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 14:13:46,760 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 14:13:46,760 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 14:13:46,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 14:13:46,761 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 14:13:46,761 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 14:13:46,761 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 14:13:46,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 14:13:46,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 14:13:46,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 14:13:46,762 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 14:13:46,762 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 14:13:46,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 14:13:46,763 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 14:13:46,763 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 14:13:46,763 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 14:13:46,764 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 14:13:46,764 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbb6aba39a63540626ae26255eab93a5f2c0864f87ba11cb320579066e7aefd2 [2024-10-24 14:13:46,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 14:13:47,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 14:13:47,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 14:13:47,039 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 14:13:47,046 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 14:13:47,048 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i [2024-10-24 14:13:48,475 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 14:13:48,925 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 14:13:48,926 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i [2024-10-24 14:13:48,974 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73847f9a6/2e17b80ea5804b5a9c470a0229d7ffb9/FLAG1b4d96497 [2024-10-24 14:13:48,989 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73847f9a6/2e17b80ea5804b5a9c470a0229d7ffb9 [2024-10-24 14:13:48,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 14:13:48,994 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 14:13:48,995 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 14:13:48,995 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 14:13:49,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 14:13:49,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:13:48" (1/1) ... [2024-10-24 14:13:49,001 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75a8a93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:13:49, skipping insertion in model container [2024-10-24 14:13:49,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:13:48" (1/1) ... [2024-10-24 14:13:49,174 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 14:13:50,636 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305216,305229] [2024-10-24 14:13:50,641 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305385,305398] [2024-10-24 14:13:50,641 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305552,305565] [2024-10-24 14:13:50,642 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305720,305733] [2024-10-24 14:13:50,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 14:13:50,695 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 14:13:50,781 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] [2024-10-24 14:13:50,783 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] [2024-10-24 14:13:50,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5195] [2024-10-24 14:13:50,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [5244] [2024-10-24 14:13:50,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5316] [2024-10-24 14:13:50,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5323] [2024-10-24 14:13:50,794 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] [2024-10-24 14:13:50,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5529] [2024-10-24 14:13:51,088 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305216,305229] [2024-10-24 14:13:51,089 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305385,305398] [2024-10-24 14:13:51,089 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305552,305565] [2024-10-24 14:13:51,089 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305720,305733] [2024-10-24 14:13:51,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 14:13:51,339 INFO L204 MainTranslator]: Completed translation [2024-10-24 14:13:51,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:13:51 WrapperNode [2024-10-24 14:13:51,340 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 14:13:51,341 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 14:13:51,345 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 14:13:51,346 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 14:13:51,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:13:51" (1/1) ... [2024-10-24 14:13:51,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:13:51" (1/1) ... [2024-10-24 14:13:51,558 INFO L138 Inliner]: procedures = 411, calls = 2035, calls flagged for inlining = 211, calls inlined = 188, statements flattened = 5058 [2024-10-24 14:13:51,559 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 14:13:51,559 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 14:13:51,559 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 14:13:51,559 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 14:13:51,570 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:13:51" (1/1) ... [2024-10-24 14:13:51,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:13:51" (1/1) ... [2024-10-24 14:13:51,594 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:13:51" (1/1) ... [2024-10-24 14:13:52,191 INFO L175 MemorySlicer]: Split 894 memory accesses to 23 slices as follows [4, 1, 4, 4, 5, 1, 4, 1, 4, 203, 1, 5, 1, 2, 24, 5, 5, 13, 5, 5, 447, 149, 1]. 50 percent of accesses are in the largest equivalence class. The 351 initializations are split as follows [4, 1, 4, 4, 5, 1, 4, 1, 4, 0, 0, 5, 1, 2, 22, 5, 5, 13, 5, 5, 110, 149, 1]. The 236 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 174, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 62, 0, 0]. [2024-10-24 14:13:52,192 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:13:51" (1/1) ... [2024-10-24 14:13:52,192 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:13:51" (1/1) ... [2024-10-24 14:13:52,299 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:13:51" (1/1) ... [2024-10-24 14:13:52,321 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:13:51" (1/1) ... [2024-10-24 14:13:52,348 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:13:51" (1/1) ... [2024-10-24 14:13:52,361 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:13:51" (1/1) ... [2024-10-24 14:13:52,395 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 14:13:52,396 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 14:13:52,396 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 14:13:52,397 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 14:13:52,398 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:13:51" (1/1) ... [2024-10-24 14:13:52,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 14:13:52,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 14:13:52,427 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 14:13:52,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 14:13:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_probe [2024-10-24 14:13:52,462 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_probe [2024-10-24 14:13:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-24 14:13:52,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-24 14:13:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-24 14:13:52,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-24 14:13:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-10-24 14:13:52,463 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-10-24 14:13:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-10-24 14:13:52,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-10-24 14:13:52,464 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-10-24 14:13:52,464 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-10-24 14:13:52,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2024-10-24 14:13:52,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2024-10-24 14:13:52,464 INFO L130 BoogieDeclarations]: Found specification of procedure __dnet_set_hwaddr [2024-10-24 14:13:52,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __dnet_set_hwaddr [2024-10-24 14:13:52,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-10-24 14:13:52,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-10-24 14:13:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-10-24 14:13:52,465 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-10-24 14:13:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-10-24 14:13:52,465 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-10-24 14:13:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-10-24 14:13:52,465 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-10-24 14:13:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-10-24 14:13:52,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-10-24 14:13:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 14:13:52,466 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-10-24 14:13:52,466 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-10-24 14:13:52,466 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-10-24 14:13:52,466 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-10-24 14:13:52,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-24 14:13:52,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-24 14:13:52,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-24 14:13:52,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-24 14:13:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-24 14:13:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-24 14:13:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-24 14:13:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-24 14:13:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-10-24 14:13:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-10-24 14:13:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-10-24 14:13:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-10-24 14:13:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-10-24 14:13:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-10-24 14:13:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-10-24 14:13:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-10-24 14:13:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-10-24 14:13:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-10-24 14:13:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-10-24 14:13:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-10-24 14:13:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-10-24 14:13:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-10-24 14:13:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-10-24 14:13:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2024-10-24 14:13:52,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2024-10-24 14:13:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-24 14:13:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-24 14:13:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-24 14:13:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-24 14:13:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-24 14:13:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-24 14:13:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-24 14:13:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-24 14:13:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-24 14:13:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-24 14:13:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-24 14:13:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-24 14:13:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-24 14:13:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-10-24 14:13:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-10-24 14:13:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-10-24 14:13:52,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-10-24 14:13:52,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-10-24 14:13:52,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-10-24 14:13:52,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-10-24 14:13:52,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-10-24 14:13:52,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-10-24 14:13:52,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-10-24 14:13:52,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-10-24 14:13:52,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-10-24 14:13:52,471 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-10-24 14:13:52,471 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-10-24 14:13:52,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 14:13:52,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 14:13:52,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 14:13:52,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 14:13:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 14:13:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 14:13:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-24 14:13:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-24 14:13:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-24 14:13:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-24 14:13:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-24 14:13:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-24 14:13:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-24 14:13:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-24 14:13:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-24 14:13:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-24 14:13:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-24 14:13:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-24 14:13:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-24 14:13:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-10-24 14:13:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-10-24 14:13:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-10-24 14:13:52,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-10-24 14:13:52,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-10-24 14:13:52,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-10-24 14:13:52,474 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_reset_hw [2024-10-24 14:13:52,474 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_reset_hw [2024-10-24 14:13:52,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-10-24 14:13:52,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-10-24 14:13:52,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 14:13:52,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-10-24 14:13:52,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-10-24 14:13:52,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-10-24 14:13:52,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-10-24 14:13:52,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-10-24 14:13:52,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-10-24 14:13:52,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 14:13:52,475 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2024-10-24 14:13:52,475 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2024-10-24 14:13:52,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-10-24 14:13:52,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-10-24 14:13:52,476 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-10-24 14:13:52,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-10-24 14:13:52,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 14:13:52,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 14:13:52,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 14:13:52,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 14:13:52,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 14:13:52,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 14:13:52,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-24 14:13:52,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-24 14:13:52,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-24 14:13:52,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-24 14:13:52,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-24 14:13:52,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-24 14:13:52,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-24 14:13:52,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-24 14:13:52,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-24 14:13:52,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-24 14:13:52,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-24 14:13:52,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-24 14:13:52,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-24 14:13:52,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-10-24 14:13:52,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-10-24 14:13:52,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-10-24 14:13:52,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-10-24 14:13:52,478 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-10-24 14:13:52,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-10-24 14:13:52,479 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-10-24 14:13:52,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-10-24 14:13:52,479 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-10-24 14:13:52,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-10-24 14:13:52,479 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-10-24 14:13:52,479 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-10-24 14:13:52,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-10-24 14:13:52,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-10-24 14:13:52,479 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2024-10-24 14:13:52,480 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2024-10-24 14:13:52,480 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-10-24 14:13:52,480 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-10-24 14:13:52,480 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-10-24 14:13:52,480 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-10-24 14:13:52,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 14:13:52,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 14:13:52,480 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-10-24 14:13:52,480 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-10-24 14:13:52,481 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2024-10-24 14:13:52,481 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2024-10-24 14:13:52,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-24 14:13:52,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-24 14:13:52,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-24 14:13:52,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-24 14:13:52,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-24 14:13:52,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-24 14:13:52,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-24 14:13:52,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-24 14:13:52,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-10-24 14:13:52,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-10-24 14:13:52,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-10-24 14:13:52,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-10-24 14:13:52,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-10-24 14:13:52,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-10-24 14:13:52,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-10-24 14:13:52,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-10-24 14:13:52,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-10-24 14:13:52,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-10-24 14:13:52,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-10-24 14:13:52,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-10-24 14:13:52,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-10-24 14:13:52,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-10-24 14:13:52,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-10-24 14:13:52,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-24 14:13:52,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-24 14:13:52,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-24 14:13:52,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-24 14:13:52,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-24 14:13:52,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-24 14:13:52,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-24 14:13:52,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-24 14:13:52,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-24 14:13:52,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-24 14:13:52,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-24 14:13:52,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-24 14:13:52,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-10-24 14:13:52,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-10-24 14:13:52,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-10-24 14:13:52,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-10-24 14:13:52,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-10-24 14:13:52,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-10-24 14:13:52,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-10-24 14:13:52,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-10-24 14:13:52,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-10-24 14:13:52,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-10-24 14:13:52,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-10-24 14:13:52,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-24 14:13:52,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-24 14:13:52,486 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2024-10-24 14:13:52,486 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2024-10-24 14:13:52,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-10-24 14:13:52,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-10-24 14:13:52,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_dnet [2024-10-24 14:13:52,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_dnet [2024-10-24 14:13:52,487 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-10-24 14:13:52,487 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-10-24 14:13:52,487 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_readw_mac [2024-10-24 14:13:52,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_readw_mac [2024-10-24 14:13:52,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 14:13:52,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 14:13:52,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 14:13:52,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 14:13:52,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 14:13:52,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 14:13:52,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 14:13:52,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-24 14:13:52,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-24 14:13:52,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-24 14:13:52,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-24 14:13:52,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-24 14:13:52,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-24 14:13:52,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-24 14:13:52,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-24 14:13:52,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-24 14:13:52,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-24 14:13:52,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-24 14:13:52,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-24 14:13:52,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-24 14:13:52,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-10-24 14:13:52,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-10-24 14:13:52,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-10-24 14:13:52,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-10-24 14:13:52,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 14:13:52,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 14:13:52,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 14:13:52,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 14:13:52,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 14:13:52,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 14:13:52,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-24 14:13:52,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-24 14:13:52,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-24 14:13:52,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-24 14:13:52,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-24 14:13:52,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-24 14:13:52,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-24 14:13:52,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-24 14:13:52,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-24 14:13:52,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-24 14:13:52,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-24 14:13:52,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-24 14:13:52,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-10-24 14:13:52,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-10-24 14:13:52,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-10-24 14:13:52,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-10-24 14:13:52,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-10-24 14:13:52,491 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-24 14:13:52,491 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-24 14:13:52,491 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-10-24 14:13:52,491 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-10-24 14:13:52,491 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-10-24 14:13:52,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-10-24 14:13:52,492 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-10-24 14:13:52,492 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-10-24 14:13:52,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-10-24 14:13:52,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-10-24 14:13:52,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-10-24 14:13:52,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-10-24 14:13:52,492 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_close [2024-10-24 14:13:52,492 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_close [2024-10-24 14:13:52,493 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2024-10-24 14:13:52,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2024-10-24 14:13:52,493 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_handle_link_change [2024-10-24 14:13:52,493 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_handle_link_change [2024-10-24 14:13:52,493 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-10-24 14:13:52,493 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-10-24 14:13:52,493 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-10-24 14:13:52,493 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-10-24 14:13:52,493 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_writew_mac [2024-10-24 14:13:52,493 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_writew_mac [2024-10-24 14:13:52,494 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-10-24 14:13:52,494 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-10-24 14:13:52,494 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-24 14:13:52,494 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-24 14:13:52,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 14:13:52,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 14:13:52,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 14:13:52,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 14:13:52,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 14:13:52,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 14:13:52,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-24 14:13:52,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-24 14:13:52,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-24 14:13:52,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-24 14:13:52,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-24 14:13:52,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-24 14:13:52,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-24 14:13:52,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-24 14:13:52,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-24 14:13:52,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-24 14:13:52,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-24 14:13:52,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-24 14:13:52,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-24 14:13:52,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-10-24 14:13:52,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-10-24 14:13:52,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-10-24 14:13:52,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-10-24 14:13:52,496 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-10-24 14:13:52,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-10-24 14:13:52,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-24 14:13:52,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-24 14:13:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_remove [2024-10-24 14:13:52,547 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_remove [2024-10-24 14:13:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-10-24 14:13:52,547 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-10-24 14:13:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_open [2024-10-24 14:13:52,547 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_open [2024-10-24 14:13:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure phy_connect [2024-10-24 14:13:52,547 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_connect [2024-10-24 14:13:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-10-24 14:13:52,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-10-24 14:13:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-10-24 14:13:52,547 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-10-24 14:13:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 14:13:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 14:13:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 14:13:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 14:13:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 14:13:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 14:13:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-24 14:13:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-24 14:13:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-24 14:13:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-24 14:13:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-24 14:13:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-24 14:13:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-24 14:13:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-24 14:13:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-24 14:13:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-24 14:13:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-24 14:13:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-24 14:13:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-24 14:13:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-24 14:13:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-10-24 14:13:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-10-24 14:13:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-10-24 14:13:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-10-24 14:13:52,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-10-24 14:13:52,549 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-10-24 14:13:52,549 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-10-24 14:13:53,250 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 14:13:53,252 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 14:13:53,803 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-24 14:13:57,322 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-10-24 14:13:57,993 INFO L? ?]: Removed 1842 outVars from TransFormulas that were not future-live. [2024-10-24 14:13:57,993 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 14:13:58,237 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 14:13:58,238 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 14:13:58,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:13:58 BoogieIcfgContainer [2024-10-24 14:13:58,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 14:13:58,240 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 14:13:58,240 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 14:13:58,242 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 14:13:58,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:13:48" (1/3) ... [2024-10-24 14:13:58,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca2a710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:13:58, skipping insertion in model container [2024-10-24 14:13:58,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:13:51" (2/3) ... [2024-10-24 14:13:58,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca2a710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:13:58, skipping insertion in model container [2024-10-24 14:13:58,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:13:58" (3/3) ... [2024-10-24 14:13:58,245 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i [2024-10-24 14:13:58,259 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 14:13:58,260 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-10-24 14:13:58,426 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 14:13:58,433 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;@4304f264, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 14:13:58,433 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-24 14:13:58,442 INFO L276 IsEmpty]: Start isEmpty. Operand has 1302 states, 864 states have (on average 1.3645833333333333) internal successors, (1179), 874 states have internal predecessors, (1179), 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) [2024-10-24 14:13:58,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-24 14:13:58,455 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:13:58,456 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 14:13:58,456 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)] === [2024-10-24 14:13:58,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:13:58,461 INFO L85 PathProgramCache]: Analyzing trace with hash -390062953, now seen corresponding path program 1 times [2024-10-24 14:13:58,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:13:58,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465613141] [2024-10-24 14:13:58,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:13:58,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:13:58,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:13:59,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:13:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:13:59,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:13:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:13:59,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:13:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:13:59,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:13:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:13:59,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:13:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:13:59,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:13:59,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:13:59,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:13:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:13:59,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:13:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:13:59,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:13:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:13:59,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:13:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:13:59,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:13:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:13:59,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:13:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:13:59,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 14:13:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:13:59,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:13:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:13:59,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:13:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:13:59,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:13:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:13:59,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 14:13:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:13:59,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:13:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:13:59,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 14:13:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:13:59,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:13:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:13:59,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 14:13:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:13:59,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 14:13:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:13:59,397 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2024-10-24 14:13:59,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:13:59,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465613141] [2024-10-24 14:13:59,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465613141] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:13:59,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:13:59,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 14:13:59,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017605972] [2024-10-24 14:13:59,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:13:59,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 14:13:59,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:13:59,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 14:13:59,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:13:59,428 INFO L87 Difference]: Start difference. First operand has 1302 states, 864 states have (on average 1.3645833333333333) internal successors, (1179), 874 states have internal predecessors, (1179), 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 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-24 14:14:04,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:14:06,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:14:09,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:14:11,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:14:11,603 INFO L93 Difference]: Finished difference Result 3816 states and 5750 transitions. [2024-10-24 14:14:11,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:14:11,609 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (15), 3 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 117 [2024-10-24 14:14:11,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:14:11,675 INFO L225 Difference]: With dead ends: 3816 [2024-10-24 14:14:11,675 INFO L226 Difference]: Without dead ends: 2523 [2024-10-24 14:14:11,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:14:11,711 INFO L432 NwaCegarLoop]: 1272 mSDtfsCounter, 2165 mSDsluCounter, 1707 mSDsCounter, 0 mSdLazyCounter, 1922 mSolverCounterSat, 842 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2497 SdHoareTripleChecker+Valid, 2979 SdHoareTripleChecker+Invalid, 2765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 842 IncrementalHoareTripleChecker+Valid, 1922 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2024-10-24 14:14:11,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2497 Valid, 2979 Invalid, 2765 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [842 Valid, 1922 Invalid, 1 Unknown, 0 Unchecked, 11.8s Time] [2024-10-24 14:14:11,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2523 states. [2024-10-24 14:14:11,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2523 to 2501. [2024-10-24 14:14:11,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2501 states, 1680 states have (on average 1.3511904761904763) internal successors, (2270), 1698 states have internal predecessors, (2270), 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) [2024-10-24 14:14:11,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2501 states to 2501 states and 3645 transitions. [2024-10-24 14:14:11,958 INFO L78 Accepts]: Start accepts. Automaton has 2501 states and 3645 transitions. Word has length 117 [2024-10-24 14:14:11,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:14:11,960 INFO L471 AbstractCegarLoop]: Abstraction has 2501 states and 3645 transitions. [2024-10-24 14:14:11,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-24 14:14:11,960 INFO L276 IsEmpty]: Start isEmpty. Operand 2501 states and 3645 transitions. [2024-10-24 14:14:11,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-24 14:14:11,968 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:14:11,968 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 14:14:11,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 14:14:11,968 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)] === [2024-10-24 14:14:11,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:14:11,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1199929106, now seen corresponding path program 1 times [2024-10-24 14:14:11,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:14:11,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305716847] [2024-10-24 14:14:11,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:14:11,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:14:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:12,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:12,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:12,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:14:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:12,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:12,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:14:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:12,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:12,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:14:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:12,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:12,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:12,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:14:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:12,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:12,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:14:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:12,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:12,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 14:14:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:12,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:12,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:14:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:12,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:12,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 14:14:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:12,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:12,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 14:14:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:12,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:12,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:12,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 14:14:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:12,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 14:14:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:12,525 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2024-10-24 14:14:12,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:14:12,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305716847] [2024-10-24 14:14:12,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305716847] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:14:12,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:14:12,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 14:14:12,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234024232] [2024-10-24 14:14:12,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:14:12,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 14:14:12,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:14:12,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 14:14:12,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:14:12,535 INFO L87 Difference]: Start difference. First operand 2501 states and 3645 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-24 14:14:17,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:14:21,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:14:26,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:14:27,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:14:31,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:14:33,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:14:33,385 INFO L93 Difference]: Finished difference Result 7277 states and 10793 transitions. [2024-10-24 14:14:33,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:14:33,386 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (15), 3 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 119 [2024-10-24 14:14:33,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:14:33,410 INFO L225 Difference]: With dead ends: 7277 [2024-10-24 14:14:33,411 INFO L226 Difference]: Without dead ends: 4797 [2024-10-24 14:14:33,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:14:33,421 INFO L432 NwaCegarLoop]: 1464 mSDtfsCounter, 2031 mSDsluCounter, 1843 mSDsCounter, 0 mSdLazyCounter, 2015 mSolverCounterSat, 845 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2311 SdHoareTripleChecker+Valid, 3307 SdHoareTripleChecker+Invalid, 2863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 845 IncrementalHoareTripleChecker+Valid, 2015 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2024-10-24 14:14:33,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2311 Valid, 3307 Invalid, 2863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [845 Valid, 2015 Invalid, 3 Unknown, 0 Unchecked, 20.5s Time] [2024-10-24 14:14:33,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4797 states. [2024-10-24 14:14:33,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4797 to 4752. [2024-10-24 14:14:33,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4752 states, 3200 states have (on average 1.3484375) internal successors, (4315), 3242 states have internal predecessors, (4315), 1288 states have call successors, (1288), 258 states have call predecessors, (1288), 261 states have return successors, (1477), 1269 states have call predecessors, (1477), 1285 states have call successors, (1477) [2024-10-24 14:14:33,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4752 states to 4752 states and 7080 transitions. [2024-10-24 14:14:33,650 INFO L78 Accepts]: Start accepts. Automaton has 4752 states and 7080 transitions. Word has length 119 [2024-10-24 14:14:33,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:14:33,651 INFO L471 AbstractCegarLoop]: Abstraction has 4752 states and 7080 transitions. [2024-10-24 14:14:33,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-24 14:14:33,651 INFO L276 IsEmpty]: Start isEmpty. Operand 4752 states and 7080 transitions. [2024-10-24 14:14:33,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-10-24 14:14:33,657 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:14:33,657 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 14:14:33,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 14:14:33,657 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)] === [2024-10-24 14:14:33,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:14:33,658 INFO L85 PathProgramCache]: Analyzing trace with hash 675179923, now seen corresponding path program 1 times [2024-10-24 14:14:33,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:14:33,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86483262] [2024-10-24 14:14:33,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:14:33,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:14:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:33,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:33,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:33,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:14:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:33,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:33,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:14:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:33,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:33,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:14:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:33,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:33,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:14:33,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:33,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:33,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:14:33,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:33,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:33,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 14:14:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:33,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:33,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:14:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:33,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:34,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 14:14:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:34,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:34,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 14:14:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:34,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:34,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 14:14:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:34,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 14:14:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:34,030 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2024-10-24 14:14:34,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:14:34,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86483262] [2024-10-24 14:14:34,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86483262] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:14:34,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:14:34,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 14:14:34,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600933865] [2024-10-24 14:14:34,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:14:34,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 14:14:34,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:14:34,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 14:14:34,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:14:34,034 INFO L87 Difference]: Start difference. First operand 4752 states and 7080 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-24 14:14:37,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:14:41,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:14:44,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:14:46,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:14:46,811 INFO L93 Difference]: Finished difference Result 13660 states and 20222 transitions. [2024-10-24 14:14:46,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:14:46,811 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (17), 3 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 127 [2024-10-24 14:14:46,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:14:46,860 INFO L225 Difference]: With dead ends: 13660 [2024-10-24 14:14:46,860 INFO L226 Difference]: Without dead ends: 8929 [2024-10-24 14:14:46,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:14:46,882 INFO L432 NwaCegarLoop]: 1255 mSDtfsCounter, 1803 mSDsluCounter, 1627 mSDsCounter, 0 mSdLazyCounter, 2216 mSolverCounterSat, 769 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2107 SdHoareTripleChecker+Valid, 2882 SdHoareTripleChecker+Invalid, 2985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 769 IncrementalHoareTripleChecker+Valid, 2216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2024-10-24 14:14:46,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2107 Valid, 2882 Invalid, 2985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [769 Valid, 2216 Invalid, 0 Unknown, 0 Unchecked, 12.4s Time] [2024-10-24 14:14:46,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8929 states. [2024-10-24 14:14:47,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8929 to 8864. [2024-10-24 14:14:47,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8864 states, 5956 states have (on average 1.3299194089993285) internal successors, (7921), 6044 states have internal predecessors, (7921), 2400 states have call successors, (2400), 502 states have call predecessors, (2400), 505 states have return successors, (2597), 2353 states have call predecessors, (2597), 2397 states have call successors, (2597) [2024-10-24 14:14:47,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8864 states to 8864 states and 12918 transitions. [2024-10-24 14:14:47,223 INFO L78 Accepts]: Start accepts. Automaton has 8864 states and 12918 transitions. Word has length 127 [2024-10-24 14:14:47,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:14:47,223 INFO L471 AbstractCegarLoop]: Abstraction has 8864 states and 12918 transitions. [2024-10-24 14:14:47,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-24 14:14:47,224 INFO L276 IsEmpty]: Start isEmpty. Operand 8864 states and 12918 transitions. [2024-10-24 14:14:47,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-24 14:14:47,225 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:14:47,225 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 14:14:47,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 14:14:47,226 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)] === [2024-10-24 14:14:47,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:14:47,226 INFO L85 PathProgramCache]: Analyzing trace with hash 661039167, now seen corresponding path program 1 times [2024-10-24 14:14:47,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:14:47,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814601506] [2024-10-24 14:14:47,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:14:47,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:14:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:14:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:14:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:14:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:14:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:14:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 14:14:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:14:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 14:14:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 14:14:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 14:14:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 14:14:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,482 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2024-10-24 14:14:47,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:14:47,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814601506] [2024-10-24 14:14:47,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814601506] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:14:47,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:14:47,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 14:14:47,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966274062] [2024-10-24 14:14:47,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:14:47,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 14:14:47,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:14:47,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 14:14:47,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:14:47,484 INFO L87 Difference]: Start difference. First operand 8864 states and 12918 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-24 14:14:53,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:14:56,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:15:00,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:15:01,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:15:01,532 INFO L93 Difference]: Finished difference Result 23818 states and 34964 transitions. [2024-10-24 14:15:01,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:15:01,533 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (16), 3 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 135 [2024-10-24 14:15:01,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:15:01,635 INFO L225 Difference]: With dead ends: 23818 [2024-10-24 14:15:01,635 INFO L226 Difference]: Without dead ends: 14975 [2024-10-24 14:15:01,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:15:01,670 INFO L432 NwaCegarLoop]: 1260 mSDtfsCounter, 1775 mSDsluCounter, 1704 mSDsCounter, 0 mSdLazyCounter, 1921 mSolverCounterSat, 819 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1993 SdHoareTripleChecker+Valid, 2964 SdHoareTripleChecker+Invalid, 2742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 819 IncrementalHoareTripleChecker+Valid, 1921 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2024-10-24 14:15:01,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1993 Valid, 2964 Invalid, 2742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [819 Valid, 1921 Invalid, 2 Unknown, 0 Unchecked, 13.5s Time] [2024-10-24 14:15:01,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14975 states. [2024-10-24 14:15:02,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14975 to 14870. [2024-10-24 14:15:02,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14870 states, 9964 states have (on average 1.3248695303091127) internal successors, (13201), 10144 states have internal predecessors, (13201), 3952 states have call successors, (3952), 956 states have call predecessors, (3952), 951 states have return successors, (4649), 3829 states have call predecessors, (4649), 3949 states have call successors, (4649) [2024-10-24 14:15:02,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14870 states to 14870 states and 21802 transitions. [2024-10-24 14:15:02,567 INFO L78 Accepts]: Start accepts. Automaton has 14870 states and 21802 transitions. Word has length 135 [2024-10-24 14:15:02,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:15:02,568 INFO L471 AbstractCegarLoop]: Abstraction has 14870 states and 21802 transitions. [2024-10-24 14:15:02,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-24 14:15:02,569 INFO L276 IsEmpty]: Start isEmpty. Operand 14870 states and 21802 transitions. [2024-10-24 14:15:02,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-10-24 14:15:02,572 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:15:02,572 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 14:15:02,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 14:15:02,573 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)] === [2024-10-24 14:15:02,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:15:02,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1325541705, now seen corresponding path program 1 times [2024-10-24 14:15:02,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:15:02,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897078004] [2024-10-24 14:15:02,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:15:02,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:15:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:15:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:15:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:15:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:15:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:15:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 14:15:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:15:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 14:15:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 14:15:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 14:15:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 14:15:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 14:15:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 14:15:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,916 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-10-24 14:15:02,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:15:02,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897078004] [2024-10-24 14:15:02,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897078004] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:15:02,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:15:02,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 14:15:02,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989149346] [2024-10-24 14:15:02,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:15:02,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 14:15:02,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:15:02,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 14:15:02,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:15:02,919 INFO L87 Difference]: Start difference. First operand 14870 states and 21802 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-24 14:15:09,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:15:14,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:15:17,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:15:20,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:15:22,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:15:22,047 INFO L93 Difference]: Finished difference Result 28102 states and 41322 transitions. [2024-10-24 14:15:22,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:15:22,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (19), 3 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 146 [2024-10-24 14:15:22,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:15:22,108 INFO L225 Difference]: With dead ends: 28102 [2024-10-24 14:15:22,108 INFO L226 Difference]: Without dead ends: 13253 [2024-10-24 14:15:22,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:15:22,152 INFO L432 NwaCegarLoop]: 1894 mSDtfsCounter, 1785 mSDsluCounter, 1996 mSDsCounter, 0 mSdLazyCounter, 2781 mSolverCounterSat, 562 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2106 SdHoareTripleChecker+Valid, 3890 SdHoareTripleChecker+Invalid, 3345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 562 IncrementalHoareTripleChecker+Valid, 2781 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2024-10-24 14:15:22,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2106 Valid, 3890 Invalid, 3345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [562 Valid, 2781 Invalid, 2 Unknown, 0 Unchecked, 18.7s Time] [2024-10-24 14:15:22,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13253 states. [2024-10-24 14:15:22,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13253 to 13173. [2024-10-24 14:15:22,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13173 states, 8908 states have (on average 1.3192635832959139) internal successors, (11752), 9076 states have internal predecessors, (11752), 3420 states have call successors, (3420), 844 states have call predecessors, (3420), 842 states have return successors, (4089), 3304 states have call predecessors, (4089), 3417 states have call successors, (4089) [2024-10-24 14:15:22,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13173 states to 13173 states and 19261 transitions. [2024-10-24 14:15:22,738 INFO L78 Accepts]: Start accepts. Automaton has 13173 states and 19261 transitions. Word has length 146 [2024-10-24 14:15:22,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:15:22,739 INFO L471 AbstractCegarLoop]: Abstraction has 13173 states and 19261 transitions. [2024-10-24 14:15:22,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-24 14:15:22,739 INFO L276 IsEmpty]: Start isEmpty. Operand 13173 states and 19261 transitions. [2024-10-24 14:15:22,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-10-24 14:15:22,742 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:15:22,743 INFO L215 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 4, 4, 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] [2024-10-24 14:15:22,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 14:15:22,743 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)] === [2024-10-24 14:15:22,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:15:22,743 INFO L85 PathProgramCache]: Analyzing trace with hash -463717593, now seen corresponding path program 1 times [2024-10-24 14:15:22,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:15:22,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231224792] [2024-10-24 14:15:22,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:15:22,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:15:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:15:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:15:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:15:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:22,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:15:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:15:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 14:15:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:15:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:22,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 14:15:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 14:15:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 14:15:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 14:15:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 14:15:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 14:15:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 14:15:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 14:15:22,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 14:15:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 14:15:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:22,973 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2024-10-24 14:15:22,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:15:22,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231224792] [2024-10-24 14:15:22,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231224792] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:15:22,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:15:22,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 14:15:22,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647327708] [2024-10-24 14:15:22,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:15:22,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 14:15:22,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:15:22,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 14:15:22,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:15:22,974 INFO L87 Difference]: Start difference. First operand 13173 states and 19261 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20)