./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.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 b230ba173626e1a1717879ee489b2ae4510c44810563ac66116e22604ac558a2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 20:39:26,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 20:39:26,296 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 20:39:26,300 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 20:39:26,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 20:39:26,316 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 20:39:26,316 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 20:39:26,316 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 20:39:26,317 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 20:39:26,317 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 20:39:26,317 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 20:39:26,317 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 20:39:26,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 20:39:26,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 20:39:26,317 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 20:39:26,318 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 20:39:26,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 20:39:26,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 20:39:26,318 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 20:39:26,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 20:39:26,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 20:39:26,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 20:39:26,318 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 20:39:26,318 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 20:39:26,318 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 20:39:26,319 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 20:39:26,319 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 20:39:26,319 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 20:39:26,319 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 20:39:26,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 20:39:26,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 20:39:26,319 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 20:39:26,319 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 20:39:26,319 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 20:39:26,319 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 20:39:26,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 20:39:26,319 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 20:39:26,319 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 20:39:26,319 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 20:39:26,319 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 20:39:26,320 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b230ba173626e1a1717879ee489b2ae4510c44810563ac66116e22604ac558a2 [2025-03-08 20:39:26,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 20:39:26,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 20:39:26,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 20:39:26,587 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 20:39:26,587 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 20:39:26,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2025-03-08 20:39:27,746 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3118f4c6/fbf0b2706c304d7fbfe855df96e8233f/FLAGfac876595 [2025-03-08 20:39:28,203 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 20:39:28,204 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2025-03-08 20:39:28,241 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3118f4c6/fbf0b2706c304d7fbfe855df96e8233f/FLAGfac876595 [2025-03-08 20:39:28,327 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3118f4c6/fbf0b2706c304d7fbfe855df96e8233f [2025-03-08 20:39:28,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 20:39:28,330 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 20:39:28,331 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 20:39:28,331 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 20:39:28,334 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 20:39:28,335 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 08:39:28" (1/1) ... [2025-03-08 20:39:28,336 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53194f8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:39:28, skipping insertion in model container [2025-03-08 20:39:28,336 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 08:39:28" (1/1) ... [2025-03-08 20:39:28,460 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 20:39:31,131 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309274,309287] [2025-03-08 20:39:31,134 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309443,309456] [2025-03-08 20:39:31,134 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309610,309623] [2025-03-08 20:39:31,134 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309778,309791] [2025-03-08 20:39:31,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 20:39:31,194 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 20:39:31,265 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"); [5242] [2025-03-08 20:39:31,266 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)); [5249] [2025-03-08 20:39:31,267 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5256] [2025-03-08 20:39:31,269 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 *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5293-5294] [2025-03-08 20:39:31,269 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5299-5301] [2025-03-08 20:39:31,313 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/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5454-5455] [2025-03-08 20:39:31,314 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/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5488-5489] [2025-03-08 20:39:31,401 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7248] [2025-03-08 20:39:31,409 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7500] [2025-03-08 20:39:31,497 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309274,309287] [2025-03-08 20:39:31,497 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309443,309456] [2025-03-08 20:39:31,498 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309610,309623] [2025-03-08 20:39:31,498 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309778,309791] [2025-03-08 20:39:31,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 20:39:31,610 INFO L204 MainTranslator]: Completed translation [2025-03-08 20:39:31,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:39:31 WrapperNode [2025-03-08 20:39:31,612 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 20:39:31,613 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 20:39:31,613 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 20:39:31,614 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 20:39:31,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:39:31" (1/1) ... [2025-03-08 20:39:31,687 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:39:31" (1/1) ... [2025-03-08 20:39:31,812 INFO L138 Inliner]: procedures = 411, calls = 1715, calls flagged for inlining = 195, calls inlined = 178, statements flattened = 4739 [2025-03-08 20:39:31,813 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 20:39:31,813 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 20:39:31,813 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 20:39:31,813 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 20:39:31,820 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:39:31" (1/1) ... [2025-03-08 20:39:31,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:39:31" (1/1) ... [2025-03-08 20:39:31,853 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:39:31" (1/1) ... [2025-03-08 20:39:32,500 INFO L175 MemorySlicer]: Split 777 memory accesses to 14 slices as follows [2, 8, 8, 1, 2, 55, 1, 5, 5, 52, 3, 2, 631, 2]. 81 percent of accesses are in the largest equivalence class. The 52 initializations are split as follows [0, 8, 8, 1, 2, 0, 0, 5, 5, 0, 1, 0, 22, 0]. The 402 writes are split as follows [1, 0, 0, 0, 0, 55, 0, 0, 0, 42, 0, 1, 302, 1]. [2025-03-08 20:39:32,501 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:39:31" (1/1) ... [2025-03-08 20:39:32,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:39:31" (1/1) ... [2025-03-08 20:39:32,593 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:39:31" (1/1) ... [2025-03-08 20:39:32,604 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:39:31" (1/1) ... [2025-03-08 20:39:32,629 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:39:31" (1/1) ... [2025-03-08 20:39:32,650 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:39:31" (1/1) ... [2025-03-08 20:39:32,693 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 20:39:32,694 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 20:39:32,694 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 20:39:32,695 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 20:39:32,696 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:39:31" (1/1) ... [2025-03-08 20:39:32,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 20:39:32,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 20:39:32,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 20:39:32,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 20:39:32,745 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2025-03-08 20:39:32,745 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2025-03-08 20:39:32,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-03-08 20:39:32,745 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-03-08 20:39:32,745 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2025-03-08 20:39:32,745 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2025-03-08 20:39:32,745 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2025-03-08 20:39:32,746 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2025-03-08 20:39:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-08 20:39:32,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-08 20:39:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-03-08 20:39:32,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-03-08 20:39:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2025-03-08 20:39:32,746 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2025-03-08 20:39:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2025-03-08 20:39:32,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2025-03-08 20:39:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2025-03-08 20:39:32,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2025-03-08 20:39:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2025-03-08 20:39:32,746 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2025-03-08 20:39:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2025-03-08 20:39:32,746 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2025-03-08 20:39:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2025-03-08 20:39:32,746 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2025-03-08 20:39:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_poll [2025-03-08 20:39:32,746 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_poll [2025-03-08 20:39:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2025-03-08 20:39:32,746 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2025-03-08 20:39:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-03-08 20:39:32,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-03-08 20:39:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2025-03-08 20:39:32,746 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2025-03-08 20:39:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2025-03-08 20:39:32,746 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2025-03-08 20:39:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2025-03-08 20:39:32,746 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2025-03-08 20:39:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-03-08 20:39:32,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-03-08 20:39:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2025-03-08 20:39:32,747 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2025-03-08 20:39:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 20:39:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_stop [2025-03-08 20:39:32,747 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_stop [2025-03-08 20:39:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-03-08 20:39:32,747 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-03-08 20:39:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2025-03-08 20:39:32,747 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2025-03-08 20:39:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-08 20:39:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-08 20:39:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-08 20:39:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-08 20:39:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-08 20:39:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-08 20:39:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-08 20:39:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-08 20:39:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-08 20:39:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-08 20:39:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-03-08 20:39:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-03-08 20:39:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-03-08 20:39:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-03-08 20:39:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2025-03-08 20:39:32,747 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2025-03-08 20:39:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 20:39:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 20:39:32,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 20:39:32,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 20:39:32,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 20:39:32,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 20:39:32,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 20:39:32,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 20:39:32,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 20:39:32,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 20:39:32,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 20:39:32,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-08 20:39:32,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-08 20:39:32,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-08 20:39:32,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-03-08 20:39:32,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-03-08 20:39:32,751 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_set_filter_mode [2025-03-08 20:39:32,751 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_set_filter_mode [2025-03-08 20:39:32,751 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write_1bit [2025-03-08 20:39:32,751 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write_1bit [2025-03-08 20:39:32,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 20:39:32,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 20:39:32,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 20:39:32,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 20:39:32,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 20:39:32,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 20:39:32,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 20:39:32,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 20:39:32,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 20:39:32,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 20:39:32,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 20:39:32,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-08 20:39:32,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-08 20:39:32,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-08 20:39:32,752 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2025-03-08 20:39:32,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2025-03-08 20:39:32,752 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2025-03-08 20:39:32,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2025-03-08 20:39:32,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-08 20:39:32,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-08 20:39:32,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-08 20:39:32,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-08 20:39:32,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-08 20:39:32,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-08 20:39:32,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-08 20:39:32,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-08 20:39:32,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-03-08 20:39:32,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2025-03-08 20:39:32,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2025-03-08 20:39:32,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2025-03-08 20:39:32,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2025-03-08 20:39:32,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2025-03-08 20:39:32,753 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-08 20:39:32,753 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-08 20:39:32,753 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-08 20:39:32,753 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-08 20:39:32,753 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-08 20:39:32,753 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-08 20:39:32,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-08 20:39:32,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-08 20:39:32,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-03-08 20:39:32,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2025-03-08 20:39:32,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2025-03-08 20:39:32,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2025-03-08 20:39:32,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2025-03-08 20:39:32,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2025-03-08 20:39:32,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2025-03-08 20:39:32,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2025-03-08 20:39:32,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2025-03-08 20:39:32,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2025-03-08 20:39:32,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2025-03-08 20:39:32,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2025-03-08 20:39:32,755 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2025-03-08 20:39:32,756 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2025-03-08 20:39:32,756 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2025-03-08 20:39:32,756 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2025-03-08 20:39:32,756 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read_1bit [2025-03-08 20:39:32,756 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read_1bit [2025-03-08 20:39:32,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-03-08 20:39:32,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-03-08 20:39:32,756 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reset_prepare [2025-03-08 20:39:32,756 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reset_prepare [2025-03-08 20:39:32,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 20:39:32,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2025-03-08 20:39:32,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2025-03-08 20:39:32,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2025-03-08 20:39:32,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2025-03-08 20:39:32,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 20:39:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2025-03-08 20:39:32,757 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2025-03-08 20:39:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-03-08 20:39:32,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-03-08 20:39:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2025-03-08 20:39:32,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2025-03-08 20:39:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 20:39:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 20:39:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 20:39:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 20:39:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 20:39:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 20:39:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 20:39:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 20:39:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 20:39:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-08 20:39:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-08 20:39:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-08 20:39:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-08 20:39:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-08 20:39:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 20:39:32,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 20:39:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2025-03-08 20:39:32,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2025-03-08 20:39:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-03-08 20:39:32,757 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-03-08 20:39:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2025-03-08 20:39:32,757 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2025-03-08 20:39:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2025-03-08 20:39:32,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2025-03-08 20:39:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2025-03-08 20:39:32,757 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2025-03-08 20:39:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 20:39:32,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 20:39:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reuse_skb [2025-03-08 20:39:32,758 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reuse_skb [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_open [2025-03-08 20:39:32,758 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_open [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-08 20:39:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-08 20:39:32,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-08 20:39:32,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-03-08 20:39:32,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-03-08 20:39:32,759 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2025-03-08 20:39:32,760 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2025-03-08 20:39:32,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_uli526x_board_info [2025-03-08 20:39:32,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_uli526x_board_info [2025-03-08 20:39:32,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2025-03-08 20:39:32,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2025-03-08 20:39:32,760 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2025-03-08 20:39:32,760 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2025-03-08 20:39:32,760 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2025-03-08 20:39:32,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2025-03-08 20:39:32,760 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2025-03-08 20:39:32,760 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2025-03-08 20:39:32,760 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2025-03-08 20:39:32,760 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2025-03-08 20:39:32,760 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2025-03-08 20:39:32,760 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2025-03-08 20:39:32,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2025-03-08 20:39:32,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2025-03-08 20:39:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2025-03-08 20:39:32,761 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2025-03-08 20:39:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 20:39:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2025-03-08 20:39:32,761 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2025-03-08 20:39:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 20:39:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 20:39:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 20:39:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 20:39:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 20:39:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 20:39:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 20:39:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 20:39:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 20:39:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 20:39:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-08 20:39:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-08 20:39:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-08 20:39:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-08 20:39:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2025-03-08 20:39:32,762 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2025-03-08 20:39:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-08 20:39:32,762 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-08 20:39:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2025-03-08 20:39:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2025-03-08 20:39:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-03-08 20:39:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-03-08 20:39:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_resume [2025-03-08 20:39:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_resume [2025-03-08 20:39:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2025-03-08 20:39:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2025-03-08 20:39:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_interrupt [2025-03-08 20:39:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_interrupt [2025-03-08 20:39:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2025-03-08 20:39:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2025-03-08 20:39:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_remove_one [2025-03-08 20:39:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_remove_one [2025-03-08 20:39:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2025-03-08 20:39:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2025-03-08 20:39:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 20:39:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 20:39:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 20:39:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 20:39:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 20:39:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 20:39:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 20:39:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 20:39:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 20:39:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 20:39:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 20:39:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-08 20:39:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-08 20:39:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-08 20:39:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-08 20:39:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-08 20:39:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2025-03-08 20:39:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2025-03-08 20:39:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_free_rxbuffer [2025-03-08 20:39:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_free_rxbuffer [2025-03-08 20:39:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-03-08 20:39:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-03-08 20:39:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2025-03-08 20:39:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2025-03-08 20:39:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2025-03-08 20:39:32,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2025-03-08 20:39:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_init [2025-03-08 20:39:32,764 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_init [2025-03-08 20:39:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 20:39:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 20:39:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 20:39:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 20:39:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 20:39:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 20:39:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 20:39:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 20:39:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 20:39:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 20:39:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 20:39:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-08 20:39:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-08 20:39:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-08 20:39:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-03-08 20:39:32,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-03-08 20:39:33,367 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 20:39:33,369 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 20:39:33,735 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11964: havoc request_threaded_irq_#t~nondet978#1; [2025-03-08 20:39:33,736 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6269: call ULTIMATE.dealloc(~#__key~1#1.base, ~#__key~1#1.offset);havoc ~#__key~1#1.base, ~#__key~1#1.offset; [2025-03-08 20:39:33,736 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9366-1: ldv_request_irq_#res#1 := ldv_request_irq_~arg0#1; [2025-03-08 20:39:33,736 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9763-1: ldv_request_irq_67_#res#1 := ldv_request_irq_67_~ldv_func_res~2#1; [2025-03-08 20:39:33,779 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-08 20:39:33,818 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5258-1: test_and_clear_bit_#res#1 := 1; [2025-03-08 20:39:33,818 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11911: havoc netpoll_trap_#t~nondet969#1; [2025-03-08 20:39:33,935 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11851: havoc #t~nondet963; [2025-03-08 20:39:33,996 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5369: havoc kobject_name_#t~mem27#1.base, kobject_name_#t~mem27#1.offset; [2025-03-08 20:39:33,996 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5381: havoc dev_name_#t~mem37#1.base, dev_name_#t~mem37#1.offset; [2025-03-08 20:39:34,035 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11883: havoc #t~nondet965; [2025-03-08 20:39:34,111 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5408: havoc is_device_dma_capable_#t~mem40#1.base, is_device_dma_capable_#t~mem40#1.offset;havoc is_device_dma_capable_#t~mem41#1.base, is_device_dma_capable_#t~mem41#1.offset;havoc is_device_dma_capable_#t~mem42#1;havoc is_device_dma_capable_#t~short43#1; [2025-03-08 20:39:34,336 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11818: havoc #t~nondet957; [2025-03-08 20:39:34,483 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5264: havoc constant_test_bit_#t~mem0#1;havoc constant_test_bit_#t~bitwise1#1; [2025-03-08 20:39:34,494 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9873: havoc ldv_dev_get_drvdata_#t~mem843#1.base, ldv_dev_get_drvdata_#t~mem843#1.offset;havoc ldv_dev_get_drvdata_#t~mem844#1.base, ldv_dev_get_drvdata_#t~mem844#1.offset; [2025-03-08 20:39:34,503 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11973: havoc #t~nondet982; [2025-03-08 20:39:34,506 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11838: havoc #t~nondet962; [2025-03-08 20:39:34,536 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11814: havoc del_timer_sync_#t~nondet956#1; [2025-03-08 20:39:34,536 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8317-1: ldv_del_timer_sync_#res#1 := ldv_del_timer_sync_~arg0#1; [2025-03-08 20:39:34,536 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9798-1: ldv_del_timer_sync_71_#res#1 := ldv_del_timer_sync_71_~ldv_func_res~3#1; [2025-03-08 20:39:34,539 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11956: havoc #t~nondet976; [2025-03-08 20:39:34,546 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5671: havoc #t~mem137.base, #t~mem137.offset; [2025-03-08 20:39:34,548 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11887: havoc #t~nondet966; [2025-03-08 20:39:34,564 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11891: havoc netdev_warn_#t~nondet967#1; [2025-03-08 20:39:34,578 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5430: havoc #t~mem67.base, #t~mem67.offset; [2025-03-08 20:39:34,675 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11783: havoc #t~nondet954; [2025-03-08 20:39:34,900 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11834: havoc eth_type_trans_#t~nondet961#1; [2025-03-08 20:39:34,901 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11907: havoc netif_rx_#t~nondet968#1; [2025-03-08 20:39:35,027 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5309: havoc arch_irqs_disabled_flags_#t~bitwise14#1; [2025-03-08 20:39:35,200 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11949: havoc #t~nondet975; [2025-03-08 20:39:35,410 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5626: havoc #t~mem125.base, #t~mem125.offset;havoc #t~mem126; [2025-03-08 20:39:44,072 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11795: havoc alloc_etherdev_mqs_#t~ret955#1.base, alloc_etherdev_mqs_#t~ret955#1.offset; [2025-03-08 20:39:44,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7112: call ULTIMATE.dealloc(uli526x_suspend_~#state#1.base, uli526x_suspend_~#state#1.offset);havoc uli526x_suspend_~#state#1.base, uli526x_suspend_~#state#1.offset; [2025-03-08 20:39:44,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11935: havoc pci_request_regions_#t~nondet973#1; [2025-03-08 20:39:44,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint main_returnLabel#1: #t~ret984#1 := main_#res#1;havoc main_#t~ret765#1, main_~tmp~52#1;assume { :end_inline_main } true; [2025-03-08 20:39:44,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11873: havoc ldv_pre_register_netdev_#t~nondet964#1; [2025-03-08 20:39:44,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9035: call ULTIMATE.dealloc(ldv_pci_instance_suspend_2_8_~#arg2#1.base, ldv_pci_instance_suspend_2_8_~#arg2#1.offset);havoc ldv_pci_instance_suspend_2_8_~#arg2#1.base, ldv_pci_instance_suspend_2_8_~#arg2#1.offset; [2025-03-08 20:39:44,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11942: havoc pci_save_state_#t~nondet974#1; [2025-03-08 20:39:44,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9700-1: ldv_alloc_etherdev_mqs_62_#res#1.base, ldv_alloc_etherdev_mqs_62_#res#1.offset := ldv_alloc_etherdev_mqs_62_~ldv_func_res~0#1.base, ldv_alloc_etherdev_mqs_62_~ldv_func_res~0#1.offset; [2025-03-08 20:39:44,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9046: call ULTIMATE.dealloc(ldv_pci_instance_suspend_late_2_7_~#arg2#1.base, ldv_pci_instance_suspend_late_2_7_~#arg2#1.offset);havoc ldv_pci_instance_suspend_late_2_7_~#arg2#1.base, ldv_pci_instance_suspend_late_2_7_~#arg2#1.offset; [2025-03-08 20:39:44,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11822: havoc dma_set_mask_#t~nondet958#1; [2025-03-08 20:39:44,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11826: havoc eth_change_mtu_#t~nondet959#1; [2025-03-08 20:39:44,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11960: havoc register_netdev_#t~nondet977#1; [2025-03-08 20:39:44,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8261-1: ldv___pci_register_driver_#res#1 := ldv___pci_register_driver_~arg0#1; [2025-03-08 20:39:44,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9715-1: ldv_register_netdev_63_#res#1 := ldv_register_netdev_63_~ldv_func_res~1#1; [2025-03-08 20:39:44,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11830: havoc eth_mac_addr_#t~nondet960#1; [2025-03-08 20:39:44,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9322-1: ldv_register_netdev_#res#1 := ldv_register_netdev_~arg0#1; [2025-03-08 20:39:44,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9323-1: ldv_register_netdev_#res#1 := ldv_register_netdev_~arg0#1; [2025-03-08 20:39:44,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6020: call ULTIMATE.dealloc(uli526x_init_one_~#__key~0#1.base, uli526x_init_one_~#__key~0#1.offset);havoc uli526x_init_one_~#__key~0#1.base, uli526x_init_one_~#__key~0#1.offset; [2025-03-08 20:39:44,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9855-1: ldv___pci_register_driver_84_#res#1 := ldv___pci_register_driver_84_~ldv_func_res~4#1; [2025-03-08 20:39:44,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11775: havoc __pci_enable_wake_#t~nondet952#1; [2025-03-08 20:39:44,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11779: havoc __pci_register_driver_#t~nondet953#1; [2025-03-08 20:39:44,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8280-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2025-03-08 20:39:44,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11915: havoc pci_choose_state_#t~nondet970#1; [2025-03-08 20:39:44,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8283-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2025-03-08 20:39:44,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8285-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2025-03-08 20:39:44,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-03-08 20:39:44,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11922: havoc pci_enable_device_#t~nondet971#1; [2025-03-08 20:39:44,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11925: havoc pci_iomap_#t~ret972#1.base, pci_iomap_#t~ret972#1.offset; [2025-03-08 20:39:44,621 INFO L? ?]: Removed 2237 outVars from TransFormulas that were not future-live. [2025-03-08 20:39:44,621 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 20:39:44,679 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 20:39:44,679 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-08 20:39:44,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 08:39:44 BoogieIcfgContainer [2025-03-08 20:39:44,680 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 20:39:44,681 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 20:39:44,681 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 20:39:44,685 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 20:39:44,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 08:39:28" (1/3) ... [2025-03-08 20:39:44,686 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38a1157b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 08:39:44, skipping insertion in model container [2025-03-08 20:39:44,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:39:31" (2/3) ... [2025-03-08 20:39:44,687 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38a1157b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 08:39:44, skipping insertion in model container [2025-03-08 20:39:44,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 08:39:44" (3/3) ... [2025-03-08 20:39:44,689 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2025-03-08 20:39:44,700 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 20:39:44,705 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i that has 96 procedures, 1882 locations, 1 initial locations, 28 loop locations, and 3 error locations. [2025-03-08 20:39:44,789 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 20:39:44,798 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;@1b182205, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 20:39:44,800 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-03-08 20:39:44,809 INFO L276 IsEmpty]: Start isEmpty. Operand has 1815 states, 1301 states have (on average 1.3282090699461953) internal successors, (1728), 1324 states have internal predecessors, (1728), 430 states have call successors, (430), 82 states have call predecessors, (430), 81 states have return successors, (424), 418 states have call predecessors, (424), 424 states have call successors, (424) [2025-03-08 20:39:44,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-03-08 20:39:44,823 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:39:44,824 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:39:44,825 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-08 20:39:44,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:39:44,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1715777356, now seen corresponding path program 1 times [2025-03-08 20:39:44,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:39:44,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087201228] [2025-03-08 20:39:44,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:39:44,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:39:48,387 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-08 20:39:48,688 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-08 20:39:48,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:39:48,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:39:49,302 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2025-03-08 20:39:49,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:39:49,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087201228] [2025-03-08 20:39:49,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087201228] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:39:49,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:39:49,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:39:49,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956354540] [2025-03-08 20:39:49,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:39:49,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:39:49,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:39:49,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:39:49,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:39:49,333 INFO L87 Difference]: Start difference. First operand has 1815 states, 1301 states have (on average 1.3282090699461953) internal successors, (1728), 1324 states have internal predecessors, (1728), 430 states have call successors, (430), 82 states have call predecessors, (430), 81 states have return successors, (424), 418 states have call predecessors, (424), 424 states have call successors, (424) Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-08 20:39:53,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:39:55,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:39:55,933 INFO L93 Difference]: Finished difference Result 5286 states and 7712 transitions. [2025-03-08 20:39:55,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:39:55,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 127 [2025-03-08 20:39:55,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:39:55,969 INFO L225 Difference]: With dead ends: 5286 [2025-03-08 20:39:55,969 INFO L226 Difference]: Without dead ends: 3484 [2025-03-08 20:39:55,985 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:39:55,987 INFO L435 NwaCegarLoop]: 2496 mSDtfsCounter, 2415 mSDsluCounter, 2403 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2415 SdHoareTripleChecker+Valid, 4899 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2025-03-08 20:39:55,987 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2415 Valid, 4899 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 170 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2025-03-08 20:39:56,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3484 states. [2025-03-08 20:39:56,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3484 to 3480. [2025-03-08 20:39:56,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3480 states, 2516 states have (on average 1.3080286168521462) internal successors, (3291), 2561 states have internal predecessors, (3291), 803 states have call successors, (803), 159 states have call predecessors, (803), 158 states have return successors, (799), 787 states have call predecessors, (799), 799 states have call successors, (799) [2025-03-08 20:39:56,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3480 states to 3480 states and 4893 transitions. [2025-03-08 20:39:56,229 INFO L78 Accepts]: Start accepts. Automaton has 3480 states and 4893 transitions. Word has length 127 [2025-03-08 20:39:56,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:39:56,229 INFO L471 AbstractCegarLoop]: Abstraction has 3480 states and 4893 transitions. [2025-03-08 20:39:56,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-08 20:39:56,230 INFO L276 IsEmpty]: Start isEmpty. Operand 3480 states and 4893 transitions. [2025-03-08 20:39:56,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-03-08 20:39:56,233 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:39:56,233 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:39:56,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 20:39:56,234 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-08 20:39:56,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:39:56,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1916347175, now seen corresponding path program 1 times [2025-03-08 20:39:56,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:39:56,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840077250] [2025-03-08 20:39:56,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:39:56,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:39:59,688 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-08 20:39:59,794 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-08 20:39:59,795 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:39:59,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:40:00,213 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2025-03-08 20:40:00,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:40:00,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840077250] [2025-03-08 20:40:00,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840077250] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:40:00,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:40:00,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:40:00,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261872780] [2025-03-08 20:40:00,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:40:00,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:40:00,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:40:00,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:40:00,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:40:00,217 INFO L87 Difference]: Start difference. First operand 3480 states and 4893 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-08 20:40:04,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:40:06,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:40:06,995 INFO L93 Difference]: Finished difference Result 10294 states and 14491 transitions. [2025-03-08 20:40:06,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:40:06,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 131 [2025-03-08 20:40:06,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:40:07,037 INFO L225 Difference]: With dead ends: 10294 [2025-03-08 20:40:07,038 INFO L226 Difference]: Without dead ends: 6837 [2025-03-08 20:40:07,053 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:40:07,053 INFO L435 NwaCegarLoop]: 2489 mSDtfsCounter, 2468 mSDsluCounter, 2399 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2468 SdHoareTripleChecker+Valid, 4888 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2025-03-08 20:40:07,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2468 Valid, 4888 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 166 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2025-03-08 20:40:07,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6837 states. [2025-03-08 20:40:07,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6837 to 6807. [2025-03-08 20:40:07,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6807 states, 4942 states have (on average 1.311007689194658) internal successors, (6479), 5036 states have internal predecessors, (6479), 1551 states have call successors, (1551), 316 states have call predecessors, (1551), 311 states have return successors, (1553), 1510 states have call predecessors, (1553), 1547 states have call successors, (1553) [2025-03-08 20:40:07,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6807 states to 6807 states and 9583 transitions. [2025-03-08 20:40:07,322 INFO L78 Accepts]: Start accepts. Automaton has 6807 states and 9583 transitions. Word has length 131 [2025-03-08 20:40:07,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:40:07,323 INFO L471 AbstractCegarLoop]: Abstraction has 6807 states and 9583 transitions. [2025-03-08 20:40:07,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-08 20:40:07,324 INFO L276 IsEmpty]: Start isEmpty. Operand 6807 states and 9583 transitions. [2025-03-08 20:40:07,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-03-08 20:40:07,329 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:40:07,329 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:40:07,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 20:40:07,330 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-08 20:40:07,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:40:07,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1830596916, now seen corresponding path program 1 times [2025-03-08 20:40:07,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:40:07,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226420018] [2025-03-08 20:40:07,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:40:07,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:40:10,614 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-08 20:40:10,687 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-08 20:40:10,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:40:10,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:40:11,094 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2025-03-08 20:40:11,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:40:11,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226420018] [2025-03-08 20:40:11,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226420018] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:40:11,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:40:11,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:40:11,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617982304] [2025-03-08 20:40:11,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:40:11,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:40:11,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:40:11,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:40:11,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:40:11,098 INFO L87 Difference]: Start difference. First operand 6807 states and 9583 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-08 20:40:15,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:40:17,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:40:17,767 INFO L93 Difference]: Finished difference Result 19545 states and 27431 transitions. [2025-03-08 20:40:17,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:40:17,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 131 [2025-03-08 20:40:17,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:40:17,839 INFO L225 Difference]: With dead ends: 19545 [2025-03-08 20:40:17,839 INFO L226 Difference]: Without dead ends: 12761 [2025-03-08 20:40:17,868 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:40:17,869 INFO L435 NwaCegarLoop]: 2528 mSDtfsCounter, 2216 mSDsluCounter, 2391 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2216 SdHoareTripleChecker+Valid, 4919 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2025-03-08 20:40:17,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2216 Valid, 4919 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 157 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2025-03-08 20:40:17,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12761 states. [2025-03-08 20:40:18,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12761 to 12727. [2025-03-08 20:40:18,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12727 states, 9216 states have (on average 1.3043619791666667) internal successors, (12021), 9402 states have internal predecessors, (12021), 2899 states have call successors, (2899), 622 states have call predecessors, (2899), 609 states have return successors, (2909), 2810 states have call predecessors, (2909), 2895 states have call successors, (2909) [2025-03-08 20:40:18,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12727 states to 12727 states and 17829 transitions. [2025-03-08 20:40:18,282 INFO L78 Accepts]: Start accepts. Automaton has 12727 states and 17829 transitions. Word has length 131 [2025-03-08 20:40:18,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:40:18,283 INFO L471 AbstractCegarLoop]: Abstraction has 12727 states and 17829 transitions. [2025-03-08 20:40:18,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-08 20:40:18,283 INFO L276 IsEmpty]: Start isEmpty. Operand 12727 states and 17829 transitions. [2025-03-08 20:40:18,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2025-03-08 20:40:18,288 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:40:18,288 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:40:18,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 20:40:18,288 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-08 20:40:18,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:40:18,289 INFO L85 PathProgramCache]: Analyzing trace with hash -181254447, now seen corresponding path program 1 times [2025-03-08 20:40:18,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:40:18,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862498603] [2025-03-08 20:40:18,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:40:18,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:40:21,820 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-03-08 20:40:21,880 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-03-08 20:40:21,880 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:40:21,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:40:22,366 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2025-03-08 20:40:22,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:40:22,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862498603] [2025-03-08 20:40:22,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862498603] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:40:22,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:40:22,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:40:22,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415447199] [2025-03-08 20:40:22,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:40:22,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:40:22,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:40:22,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:40:22,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:40:22,369 INFO L87 Difference]: Start difference. First operand 12727 states and 17829 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-08 20:40:26,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:40:30,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:40:30,058 INFO L93 Difference]: Finished difference Result 24994 states and 34998 transitions. [2025-03-08 20:40:30,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:40:30,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 137 [2025-03-08 20:40:30,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:40:30,127 INFO L225 Difference]: With dead ends: 24994 [2025-03-08 20:40:30,128 INFO L226 Difference]: Without dead ends: 12290 [2025-03-08 20:40:30,171 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:40:30,172 INFO L435 NwaCegarLoop]: 2790 mSDtfsCounter, 1733 mSDsluCounter, 2392 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1733 SdHoareTripleChecker+Valid, 5182 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2025-03-08 20:40:30,172 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1733 Valid, 5182 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 233 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2025-03-08 20:40:30,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12290 states. [2025-03-08 20:40:30,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12290 to 12258. [2025-03-08 20:40:30,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12258 states, 9028 states have (on average 1.3122507753655295) internal successors, (11847), 9201 states have internal predecessors, (11847), 2607 states have call successors, (2607), 631 states have call predecessors, (2607), 620 states have return successors, (2610), 2518 states have call predecessors, (2610), 2603 states have call successors, (2610) [2025-03-08 20:40:30,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12258 states to 12258 states and 17064 transitions. [2025-03-08 20:40:30,601 INFO L78 Accepts]: Start accepts. Automaton has 12258 states and 17064 transitions. Word has length 137 [2025-03-08 20:40:30,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:40:30,602 INFO L471 AbstractCegarLoop]: Abstraction has 12258 states and 17064 transitions. [2025-03-08 20:40:30,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-08 20:40:30,603 INFO L276 IsEmpty]: Start isEmpty. Operand 12258 states and 17064 transitions. [2025-03-08 20:40:30,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-03-08 20:40:30,604 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:40:30,604 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:40:30,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 20:40:30,605 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-08 20:40:30,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:40:30,605 INFO L85 PathProgramCache]: Analyzing trace with hash -285972244, now seen corresponding path program 1 times [2025-03-08 20:40:30,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:40:30,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547530265] [2025-03-08 20:40:30,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:40:30,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:40:34,401 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-03-08 20:40:34,463 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-03-08 20:40:34,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:40:34,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:40:34,687 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2025-03-08 20:40:34,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:40:34,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547530265] [2025-03-08 20:40:34,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547530265] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:40:34,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:40:34,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:40:34,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601692621] [2025-03-08 20:40:34,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:40:34,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:40:34,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:40:34,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:40:34,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:40:34,689 INFO L87 Difference]: Start difference. First operand 12258 states and 17064 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-08 20:40:38,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:40:41,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:40:41,870 INFO L93 Difference]: Finished difference Result 31831 states and 44315 transitions. [2025-03-08 20:40:41,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:40:41,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 140 [2025-03-08 20:40:41,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:40:41,968 INFO L225 Difference]: With dead ends: 31831 [2025-03-08 20:40:41,968 INFO L226 Difference]: Without dead ends: 19596 [2025-03-08 20:40:42,014 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:40:42,016 INFO L435 NwaCegarLoop]: 2475 mSDtfsCounter, 2274 mSDsluCounter, 2387 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2274 SdHoareTripleChecker+Valid, 4862 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2025-03-08 20:40:42,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2274 Valid, 4862 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 197 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2025-03-08 20:40:42,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19596 states. [2025-03-08 20:40:42,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19596 to 19565. [2025-03-08 20:40:42,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19565 states, 14306 states have (on average 1.3078428631343493) internal successors, (18710), 14589 states have internal predecessors, (18710), 4236 states have call successors, (4236), 1042 states have call predecessors, (4236), 1020 states have return successors, (4247), 4071 states have call predecessors, (4247), 4232 states have call successors, (4247) [2025-03-08 20:40:42,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19565 states to 19565 states and 27193 transitions. [2025-03-08 20:40:42,636 INFO L78 Accepts]: Start accepts. Automaton has 19565 states and 27193 transitions. Word has length 140 [2025-03-08 20:40:42,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:40:42,637 INFO L471 AbstractCegarLoop]: Abstraction has 19565 states and 27193 transitions. [2025-03-08 20:40:42,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-08 20:40:42,637 INFO L276 IsEmpty]: Start isEmpty. Operand 19565 states and 27193 transitions. [2025-03-08 20:40:42,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-03-08 20:40:42,640 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:40:42,640 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:40:42,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 20:40:42,640 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-08 20:40:42,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:40:42,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1557764534, now seen corresponding path program 1 times [2025-03-08 20:40:42,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:40:42,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293442114] [2025-03-08 20:40:42,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:40:42,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:40:46,369 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-08 20:40:46,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-08 20:40:46,417 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:40:46,417 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:40:46,765 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2025-03-08 20:40:46,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:40:46,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293442114] [2025-03-08 20:40:46,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293442114] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:40:46,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:40:46,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:40:46,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014433588] [2025-03-08 20:40:46,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:40:46,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:40:46,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:40:46,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:40:46,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:40:46,766 INFO L87 Difference]: Start difference. First operand 19565 states and 27193 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-03-08 20:40:50,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []