./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 798a7b37 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-?-798a7b3-m [2025-03-04 05:27:37,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 05:27:37,668 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 05:27:37,673 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 05:27:37,674 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 05:27:37,695 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 05:27:37,696 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 05:27:37,696 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 05:27:37,697 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 05:27:37,697 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 05:27:37,697 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 05:27:37,698 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 05:27:37,698 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 05:27:37,698 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 05:27:37,698 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 05:27:37,699 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 05:27:37,699 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 05:27:37,699 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 05:27:37,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 05:27:37,699 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 05:27:37,699 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 05:27:37,699 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 05:27:37,699 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 05:27:37,700 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 05:27:37,700 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 05:27:37,700 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 05:27:37,700 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 05:27:37,700 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 05:27:37,700 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 05:27:37,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 05:27:37,700 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 05:27:37,700 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 05:27:37,700 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 05:27:37,700 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 05:27:37,700 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 05:27:37,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 05:27:37,700 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 05:27:37,700 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 05:27:37,700 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 05:27:37,701 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 05:27:37,701 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 [2025-03-04 05:27:37,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 05:27:37,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 05:27:37,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 05:27:37,986 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 05:27:37,987 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 05:27:37,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2025-03-04 05:27:39,256 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/137f1239d/f4a51eba189c437e83b5dcfeede09fc6/FLAGc67956574 [2025-03-04 05:27:39,847 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 05:27:39,848 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2025-03-04 05:27:39,902 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/137f1239d/f4a51eba189c437e83b5dcfeede09fc6/FLAGc67956574 [2025-03-04 05:27:40,321 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/137f1239d/f4a51eba189c437e83b5dcfeede09fc6 [2025-03-04 05:27:40,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 05:27:40,325 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 05:27:40,326 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 05:27:40,326 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 05:27:40,330 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 05:27:40,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 05:27:40" (1/1) ... [2025-03-04 05:27:40,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba96874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:27:40, skipping insertion in model container [2025-03-04 05:27:40,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 05:27:40" (1/1) ... [2025-03-04 05:27:40,426 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 05:27:42,985 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] [2025-03-04 05:27:42,987 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] [2025-03-04 05:27:42,993 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] [2025-03-04 05:27:42,993 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] [2025-03-04 05:27:43,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 05:27:43,039 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 05:27:43,109 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] [2025-03-04 05:27:43,111 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] [2025-03-04 05:27:43,111 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5256] [2025-03-04 05:27:43,112 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] [2025-03-04 05:27:43,113 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] [2025-03-04 05:27:43,117 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] [2025-03-04 05:27:43,119 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] [2025-03-04 05:27:43,253 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7248] [2025-03-04 05:27:43,260 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7500] [2025-03-04 05:27:43,348 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] [2025-03-04 05:27:43,349 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] [2025-03-04 05:27:43,349 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] [2025-03-04 05:27:43,349 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] [2025-03-04 05:27:43,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 05:27:43,483 INFO L204 MainTranslator]: Completed translation [2025-03-04 05:27:43,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:27:43 WrapperNode [2025-03-04 05:27:43,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 05:27:43,486 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 05:27:43,486 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 05:27:43,487 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 05:27:43,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:27:43" (1/1) ... [2025-03-04 05:27:43,565 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:27:43" (1/1) ... [2025-03-04 05:27:43,724 INFO L138 Inliner]: procedures = 411, calls = 1715, calls flagged for inlining = 195, calls inlined = 178, statements flattened = 4739 [2025-03-04 05:27:43,725 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 05:27:43,726 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 05:27:43,726 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 05:27:43,726 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 05:27:43,733 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:27:43" (1/1) ... [2025-03-04 05:27:43,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:27:43" (1/1) ... [2025-03-04 05:27:43,764 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:27:43" (1/1) ... [2025-03-04 05:27:44,483 INFO L175 MemorySlicer]: Split 777 memory accesses to 14 slices as follows [2, 2, 631, 1, 8, 8, 1, 2, 55, 2, 5, 5, 52, 3]. 81 percent of accesses are in the largest equivalence class. The 52 initializations are split as follows [0, 0, 22, 0, 8, 8, 1, 2, 0, 0, 5, 5, 0, 1]. The 402 writes are split as follows [1, 1, 302, 0, 0, 0, 0, 0, 55, 1, 0, 0, 42, 0]. [2025-03-04 05:27:44,484 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:27:43" (1/1) ... [2025-03-04 05:27:44,484 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:27:43" (1/1) ... [2025-03-04 05:27:44,593 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:27:43" (1/1) ... [2025-03-04 05:27:44,607 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:27:43" (1/1) ... [2025-03-04 05:27:44,661 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:27:43" (1/1) ... [2025-03-04 05:27:44,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:27:43" (1/1) ... [2025-03-04 05:27:44,723 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 05:27:44,725 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 05:27:44,726 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 05:27:44,726 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 05:27:44,727 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:27:43" (1/1) ... [2025-03-04 05:27:44,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 05:27:44,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 05:27:44,758 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) [2025-03-04 05:27:44,761 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 [2025-03-04 05:27:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2025-03-04 05:27:44,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2025-03-04 05:27:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-03-04 05:27:44,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-03-04 05:27:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2025-03-04 05:27:44,784 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2025-03-04 05:27:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2025-03-04 05:27:44,784 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2025-03-04 05:27:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-04 05:27:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-04 05:27:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-03-04 05:27:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-03-04 05:27:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2025-03-04 05:27:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2025-03-04 05:27:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2025-03-04 05:27:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2025-03-04 05:27:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2025-03-04 05:27:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2025-03-04 05:27:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2025-03-04 05:27:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2025-03-04 05:27:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2025-03-04 05:27:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2025-03-04 05:27:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2025-03-04 05:27:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2025-03-04 05:27:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_poll [2025-03-04 05:27:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_poll [2025-03-04 05:27:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2025-03-04 05:27:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2025-03-04 05:27:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-03-04 05:27:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-03-04 05:27:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2025-03-04 05:27:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2025-03-04 05:27:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2025-03-04 05:27:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2025-03-04 05:27:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2025-03-04 05:27:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2025-03-04 05:27:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-03-04 05:27:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-03-04 05:27:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2025-03-04 05:27:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2025-03-04 05:27:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 05:27:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_stop [2025-03-04 05:27:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_stop [2025-03-04 05:27:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-03-04 05:27:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-03-04 05:27:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2025-03-04 05:27:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2025-03-04 05:27:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-04 05:27:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-04 05:27:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-04 05:27:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-04 05:27:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-04 05:27:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-04 05:27:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-04 05:27:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-04 05:27:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-04 05:27:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-04 05:27:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-03-04 05:27:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-03-04 05:27:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-03-04 05:27:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-03-04 05:27:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2025-03-04 05:27:44,788 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2025-03-04 05:27:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 05:27:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 05:27:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 05:27:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 05:27:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 05:27:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 05:27:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 05:27:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 05:27:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-04 05:27:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-04 05:27:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-04 05:27:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-04 05:27:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-04 05:27:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-04 05:27:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-03-04 05:27:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-03-04 05:27:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_set_filter_mode [2025-03-04 05:27:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_set_filter_mode [2025-03-04 05:27:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write_1bit [2025-03-04 05:27:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write_1bit [2025-03-04 05:27:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 05:27:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 05:27:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 05:27:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 05:27:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 05:27:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 05:27:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 05:27:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 05:27:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-04 05:27:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-04 05:27:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-04 05:27:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-04 05:27:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-04 05:27:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-04 05:27:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2025-03-04 05:27:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2025-03-04 05:27:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2025-03-04 05:27:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2025-03-04 05:27:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-04 05:27:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-04 05:27:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-04 05:27:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-04 05:27:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-04 05:27:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-04 05:27:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-04 05:27:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-04 05:27:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-03-04 05:27:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2025-03-04 05:27:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2025-03-04 05:27:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2025-03-04 05:27:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2025-03-04 05:27:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2025-03-04 05:27:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-04 05:27:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-04 05:27:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-04 05:27:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-04 05:27:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-04 05:27:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-04 05:27:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-04 05:27:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-04 05:27:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-03-04 05:27:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2025-03-04 05:27:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2025-03-04 05:27:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2025-03-04 05:27:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2025-03-04 05:27:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2025-03-04 05:27:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2025-03-04 05:27:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2025-03-04 05:27:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2025-03-04 05:27:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2025-03-04 05:27:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2025-03-04 05:27:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2025-03-04 05:27:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2025-03-04 05:27:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2025-03-04 05:27:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2025-03-04 05:27:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2025-03-04 05:27:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read_1bit [2025-03-04 05:27:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read_1bit [2025-03-04 05:27:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-03-04 05:27:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-03-04 05:27:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reset_prepare [2025-03-04 05:27:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reset_prepare [2025-03-04 05:27:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 05:27:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2025-03-04 05:27:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2025-03-04 05:27:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2025-03-04 05:27:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2025-03-04 05:27:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 05:27:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2025-03-04 05:27:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2025-03-04 05:27:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-03-04 05:27:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-03-04 05:27:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2025-03-04 05:27:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2025-03-04 05:27:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 05:27:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 05:27:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 05:27:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 05:27:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 05:27:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 05:27:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 05:27:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 05:27:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-04 05:27:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-04 05:27:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-04 05:27:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-04 05:27:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-04 05:27:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-04 05:27:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-04 05:27:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-04 05:27:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2025-03-04 05:27:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2025-03-04 05:27:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-03-04 05:27:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-03-04 05:27:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2025-03-04 05:27:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2025-03-04 05:27:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2025-03-04 05:27:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2025-03-04 05:27:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2025-03-04 05:27:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2025-03-04 05:27:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 05:27:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 05:27:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reuse_skb [2025-03-04 05:27:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reuse_skb [2025-03-04 05:27:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_open [2025-03-04 05:27:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_open [2025-03-04 05:27:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-04 05:27:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-04 05:27:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-04 05:27:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-04 05:27:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-04 05:27:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-04 05:27:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-04 05:27:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-04 05:27:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-04 05:27:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-04 05:27:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-03-04 05:27:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-03-04 05:27:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-03-04 05:27:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-03-04 05:27:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 05:27:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 05:27:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 05:27:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 05:27:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 05:27:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-04 05:27:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-03-04 05:27:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2025-03-04 05:27:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_uli526x_board_info [2025-03-04 05:27:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_uli526x_board_info [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2025-03-04 05:27:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2025-03-04 05:27:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2025-03-04 05:27:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2025-03-04 05:27:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2025-03-04 05:27:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2025-03-04 05:27:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2025-03-04 05:27:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2025-03-04 05:27:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2025-03-04 05:27:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 05:27:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-04 05:27:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-04 05:27:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-04 05:27:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-04 05:27:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-04 05:27:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-04 05:27:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2025-03-04 05:27:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2025-03-04 05:27:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-04 05:27:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-04 05:27:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2025-03-04 05:27:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2025-03-04 05:27:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-03-04 05:27:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-03-04 05:27:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_resume [2025-03-04 05:27:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_resume [2025-03-04 05:27:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2025-03-04 05:27:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2025-03-04 05:27:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_interrupt [2025-03-04 05:27:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_interrupt [2025-03-04 05:27:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2025-03-04 05:27:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2025-03-04 05:27:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_remove_one [2025-03-04 05:27:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_remove_one [2025-03-04 05:27:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2025-03-04 05:27:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2025-03-04 05:27:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 05:27:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 05:27:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 05:27:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 05:27:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 05:27:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 05:27:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 05:27:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 05:27:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-04 05:27:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-04 05:27:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-04 05:27:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-04 05:27:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-04 05:27:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-04 05:27:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-04 05:27:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-04 05:27:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2025-03-04 05:27:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2025-03-04 05:27:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_free_rxbuffer [2025-03-04 05:27:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_free_rxbuffer [2025-03-04 05:27:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-03-04 05:27:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-03-04 05:27:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2025-03-04 05:27:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2025-03-04 05:27:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2025-03-04 05:27:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2025-03-04 05:27:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_init [2025-03-04 05:27:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_init [2025-03-04 05:27:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 05:27:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 05:27:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 05:27:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 05:27:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 05:27:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 05:27:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 05:27:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 05:27:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-04 05:27:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-04 05:27:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-04 05:27:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-04 05:27:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-04 05:27:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-04 05:27:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-03-04 05:27:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-03-04 05:27:45,410 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 05:27:45,414 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 05:27:45,849 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11964: havoc request_threaded_irq_#t~nondet978#1; [2025-03-04 05:27:45,849 INFO L1325 $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; [2025-03-04 05:27:45,849 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9366-1: ldv_request_irq_#res#1 := ldv_request_irq_~arg0#1; [2025-03-04 05:27:45,849 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9763-1: ldv_request_irq_67_#res#1 := ldv_request_irq_67_~ldv_func_res~2#1; [2025-03-04 05:27:45,900 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-04 05:27:45,945 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5258-1: test_and_clear_bit_#res#1 := 1; [2025-03-04 05:27:45,945 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11911: havoc netpoll_trap_#t~nondet969#1; [2025-03-04 05:27:46,023 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11851: havoc #t~nondet963; [2025-03-04 05:27:46,100 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5369: havoc kobject_name_#t~mem27#1.base, kobject_name_#t~mem27#1.offset; [2025-03-04 05:27:46,100 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5381: havoc dev_name_#t~mem37#1.base, dev_name_#t~mem37#1.offset; [2025-03-04 05:27:46,150 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11883: havoc #t~nondet965; [2025-03-04 05:27:46,263 INFO L1325 $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; [2025-03-04 05:27:46,516 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11818: havoc #t~nondet957; [2025-03-04 05:27:46,716 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5264: havoc constant_test_bit_#t~mem0#1;havoc constant_test_bit_#t~bitwise1#1; [2025-03-04 05:27:46,728 INFO L1325 $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; [2025-03-04 05:27:46,738 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11973: havoc #t~nondet982; [2025-03-04 05:27:46,742 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11838: havoc #t~nondet962; [2025-03-04 05:27:46,774 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11814: havoc del_timer_sync_#t~nondet956#1; [2025-03-04 05:27:46,775 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8317-1: ldv_del_timer_sync_#res#1 := ldv_del_timer_sync_~arg0#1; [2025-03-04 05:27:46,775 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9798-1: ldv_del_timer_sync_71_#res#1 := ldv_del_timer_sync_71_~ldv_func_res~3#1; [2025-03-04 05:27:46,777 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11956: havoc #t~nondet976; [2025-03-04 05:27:46,782 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5671: havoc #t~mem137.base, #t~mem137.offset; [2025-03-04 05:27:46,785 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11887: havoc #t~nondet966; [2025-03-04 05:27:46,854 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11891: havoc netdev_warn_#t~nondet967#1; [2025-03-04 05:27:46,863 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5430: havoc #t~mem67.base, #t~mem67.offset; [2025-03-04 05:27:46,964 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11783: havoc #t~nondet954; [2025-03-04 05:27:47,190 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11834: havoc eth_type_trans_#t~nondet961#1; [2025-03-04 05:27:47,190 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11907: havoc netif_rx_#t~nondet968#1; [2025-03-04 05:27:47,316 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5309: havoc arch_irqs_disabled_flags_#t~bitwise14#1; [2025-03-04 05:27:47,437 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11949: havoc #t~nondet975; [2025-03-04 05:27:47,634 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5626: havoc #t~mem125.base, #t~mem125.offset;havoc #t~mem126; [2025-03-04 05:27:56,463 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11795: havoc alloc_etherdev_mqs_#t~ret955#1.base, alloc_etherdev_mqs_#t~ret955#1.offset; [2025-03-04 05:27:56,464 INFO L1325 $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; [2025-03-04 05:27:56,464 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11935: havoc pci_request_regions_#t~nondet973#1; [2025-03-04 05:27:56,464 INFO L1325 $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; [2025-03-04 05:27:56,464 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11873: havoc ldv_pre_register_netdev_#t~nondet964#1; [2025-03-04 05:27:56,464 INFO L1325 $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; [2025-03-04 05:27:56,464 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11942: havoc pci_save_state_#t~nondet974#1; [2025-03-04 05:27:56,464 INFO L1325 $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; [2025-03-04 05:27:56,464 INFO L1325 $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; [2025-03-04 05:27:56,464 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11822: havoc dma_set_mask_#t~nondet958#1; [2025-03-04 05:27:56,464 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11826: havoc eth_change_mtu_#t~nondet959#1; [2025-03-04 05:27:56,464 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11960: havoc register_netdev_#t~nondet977#1; [2025-03-04 05:27:56,464 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8261-1: ldv___pci_register_driver_#res#1 := ldv___pci_register_driver_~arg0#1; [2025-03-04 05:27:56,464 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9715-1: ldv_register_netdev_63_#res#1 := ldv_register_netdev_63_~ldv_func_res~1#1; [2025-03-04 05:27:56,464 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11830: havoc eth_mac_addr_#t~nondet960#1; [2025-03-04 05:27:56,464 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9322-1: ldv_register_netdev_#res#1 := ldv_register_netdev_~arg0#1; [2025-03-04 05:27:56,464 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9323-1: ldv_register_netdev_#res#1 := ldv_register_netdev_~arg0#1; [2025-03-04 05:27:56,464 INFO L1325 $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; [2025-03-04 05:27:56,464 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9855-1: ldv___pci_register_driver_84_#res#1 := ldv___pci_register_driver_84_~ldv_func_res~4#1; [2025-03-04 05:27:56,464 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11775: havoc __pci_enable_wake_#t~nondet952#1; [2025-03-04 05:27:56,464 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11779: havoc __pci_register_driver_#t~nondet953#1; [2025-03-04 05:27:56,464 INFO L1325 $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; [2025-03-04 05:27:56,464 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11915: havoc pci_choose_state_#t~nondet970#1; [2025-03-04 05:27:56,464 INFO L1325 $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; [2025-03-04 05:27:56,464 INFO L1325 $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; [2025-03-04 05:27:56,464 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-03-04 05:27:56,464 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11922: havoc pci_enable_device_#t~nondet971#1; [2025-03-04 05:27:56,464 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11925: havoc pci_iomap_#t~ret972#1.base, pci_iomap_#t~ret972#1.offset; [2025-03-04 05:27:56,998 INFO L? ?]: Removed 2237 outVars from TransFormulas that were not future-live. [2025-03-04 05:27:56,999 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 05:27:57,088 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 05:27:57,089 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-04 05:27:57,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 05:27:57 BoogieIcfgContainer [2025-03-04 05:27:57,089 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 05:27:57,091 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 05:27:57,091 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 05:27:57,094 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 05:27:57,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 05:27:40" (1/3) ... [2025-03-04 05:27:57,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3adc2b29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 05:27:57, skipping insertion in model container [2025-03-04 05:27:57,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:27:43" (2/3) ... [2025-03-04 05:27:57,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3adc2b29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 05:27:57, skipping insertion in model container [2025-03-04 05:27:57,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 05:27:57" (3/3) ... [2025-03-04 05:27:57,096 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2025-03-04 05:27:57,108 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 05:27:57,112 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. [2025-03-04 05:27:57,196 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 05:27:57,207 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;@c49a2b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 05:27:57,208 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-03-04 05:27:57,216 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) [2025-03-04 05:27:57,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-03-04 05:27:57,229 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:27:57,229 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] [2025-03-04 05:27:57,230 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)] === [2025-03-04 05:27:57,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:27:57,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1715777356, now seen corresponding path program 1 times [2025-03-04 05:27:57,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:27:57,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867563078] [2025-03-04 05:27:57,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:27:57,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:28:01,472 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-04 05:28:01,754 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-04 05:28:01,758 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:28:01,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:28:02,374 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2025-03-04 05:28:02,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:28:02,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867563078] [2025-03-04 05:28:02,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867563078] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:28:02,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:28:02,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:28:02,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241964841] [2025-03-04 05:28:02,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:28:02,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:28:02,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:28:02,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:28:02,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:28:02,399 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) [2025-03-04 05:28:06,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:28:09,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:28:09,191 INFO L93 Difference]: Finished difference Result 5286 states and 7712 transitions. [2025-03-04 05:28:09,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:28:09,195 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 [2025-03-04 05:28:09,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:28:09,239 INFO L225 Difference]: With dead ends: 5286 [2025-03-04 05:28:09,240 INFO L226 Difference]: Without dead ends: 3484 [2025-03-04 05:28:09,259 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 [2025-03-04 05:28:09,261 INFO L435 NwaCegarLoop]: 2496 mSDtfsCounter, 2415 mSDsluCounter, 2403 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s 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, 6.5s IncrementalHoareTripleChecker+Time [2025-03-04 05:28:09,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2415 Valid, 4899 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 170 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2025-03-04 05:28:09,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3484 states. [2025-03-04 05:28:09,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3484 to 3480. [2025-03-04 05:28:09,496 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) [2025-03-04 05:28:09,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3480 states to 3480 states and 4893 transitions. [2025-03-04 05:28:09,534 INFO L78 Accepts]: Start accepts. Automaton has 3480 states and 4893 transitions. Word has length 127 [2025-03-04 05:28:09,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:28:09,535 INFO L471 AbstractCegarLoop]: Abstraction has 3480 states and 4893 transitions. [2025-03-04 05:28:09,536 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) [2025-03-04 05:28:09,536 INFO L276 IsEmpty]: Start isEmpty. Operand 3480 states and 4893 transitions. [2025-03-04 05:28:09,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-03-04 05:28:09,540 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:28:09,540 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] [2025-03-04 05:28:09,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 05:28:09,540 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)] === [2025-03-04 05:28:09,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:28:09,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1916347175, now seen corresponding path program 1 times [2025-03-04 05:28:09,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:28:09,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631189731] [2025-03-04 05:28:09,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:28:09,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:28:13,328 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-04 05:28:13,429 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-04 05:28:13,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:28:13,433 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:28:13,866 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2025-03-04 05:28:13,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:28:13,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631189731] [2025-03-04 05:28:13,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631189731] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:28:13,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:28:13,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:28:13,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040586454] [2025-03-04 05:28:13,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:28:13,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:28:13,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:28:13,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:28:13,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:28:13,868 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) [2025-03-04 05:28:17,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:28:20,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:28:20,570 INFO L93 Difference]: Finished difference Result 10294 states and 14491 transitions. [2025-03-04 05:28:20,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:28:20,571 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 [2025-03-04 05:28:20,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:28:20,613 INFO L225 Difference]: With dead ends: 10294 [2025-03-04 05:28:20,613 INFO L226 Difference]: Without dead ends: 6837 [2025-03-04 05:28:20,632 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 [2025-03-04 05:28:20,633 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 [2025-03-04 05:28:20,633 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] [2025-03-04 05:28:20,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6837 states. [2025-03-04 05:28:20,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6837 to 6807. [2025-03-04 05:28:20,955 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) [2025-03-04 05:28:20,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6807 states to 6807 states and 9583 transitions. [2025-03-04 05:28:20,988 INFO L78 Accepts]: Start accepts. Automaton has 6807 states and 9583 transitions. Word has length 131 [2025-03-04 05:28:20,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:28:20,989 INFO L471 AbstractCegarLoop]: Abstraction has 6807 states and 9583 transitions. [2025-03-04 05:28:20,989 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) [2025-03-04 05:28:20,990 INFO L276 IsEmpty]: Start isEmpty. Operand 6807 states and 9583 transitions. [2025-03-04 05:28:20,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-03-04 05:28:20,993 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:28:20,993 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] [2025-03-04 05:28:20,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 05:28:20,994 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)] === [2025-03-04 05:28:20,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:28:20,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1830596916, now seen corresponding path program 1 times [2025-03-04 05:28:20,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:28:20,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161523754] [2025-03-04 05:28:20,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:28:20,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:28:24,913 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-04 05:28:25,006 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-04 05:28:25,007 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:28:25,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:28:25,555 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2025-03-04 05:28:25,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:28:25,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161523754] [2025-03-04 05:28:25,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161523754] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:28:25,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:28:25,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:28:25,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846706371] [2025-03-04 05:28:25,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:28:25,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:28:25,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:28:25,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:28:25,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:28:25,558 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) [2025-03-04 05:28:29,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:28:32,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:28:32,235 INFO L93 Difference]: Finished difference Result 19545 states and 27431 transitions. [2025-03-04 05:28:32,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:28:32,236 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 [2025-03-04 05:28:32,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:28:32,307 INFO L225 Difference]: With dead ends: 19545 [2025-03-04 05:28:32,307 INFO L226 Difference]: Without dead ends: 12761 [2025-03-04 05:28:32,337 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:28:32,338 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 [2025-03-04 05:28:32,338 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] [2025-03-04 05:28:32,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12761 states. [2025-03-04 05:28:32,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12761 to 12727. [2025-03-04 05:28:32,782 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) [2025-03-04 05:28:32,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12727 states to 12727 states and 17829 transitions. [2025-03-04 05:28:32,843 INFO L78 Accepts]: Start accepts. Automaton has 12727 states and 17829 transitions. Word has length 131 [2025-03-04 05:28:32,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:28:32,844 INFO L471 AbstractCegarLoop]: Abstraction has 12727 states and 17829 transitions. [2025-03-04 05:28:32,844 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) [2025-03-04 05:28:32,844 INFO L276 IsEmpty]: Start isEmpty. Operand 12727 states and 17829 transitions. [2025-03-04 05:28:32,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2025-03-04 05:28:32,846 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:28:32,846 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] [2025-03-04 05:28:32,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 05:28:32,847 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)] === [2025-03-04 05:28:32,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:28:32,847 INFO L85 PathProgramCache]: Analyzing trace with hash -181254447, now seen corresponding path program 1 times [2025-03-04 05:28:32,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:28:32,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770160185] [2025-03-04 05:28:32,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:28:32,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:28:36,981 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-03-04 05:28:37,063 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-03-04 05:28:37,063 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:28:37,063 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:28:37,501 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2025-03-04 05:28:37,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:28:37,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770160185] [2025-03-04 05:28:37,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770160185] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:28:37,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:28:37,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:28:37,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610748388] [2025-03-04 05:28:37,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:28:37,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:28:37,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:28:37,502 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:28:37,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:28:37,503 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) [2025-03-04 05:28:41,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:28:45,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:28:45,239 INFO L93 Difference]: Finished difference Result 24994 states and 34998 transitions. [2025-03-04 05:28:45,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:28:45,239 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 [2025-03-04 05:28:45,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:28:45,313 INFO L225 Difference]: With dead ends: 24994 [2025-03-04 05:28:45,313 INFO L226 Difference]: Without dead ends: 12290 [2025-03-04 05:28:45,359 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:28:45,360 INFO L435 NwaCegarLoop]: 2790 mSDtfsCounter, 1733 mSDsluCounter, 2392 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s 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 [2025-03-04 05:28:45,360 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] [2025-03-04 05:28:45,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12290 states. [2025-03-04 05:28:45,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12290 to 12258. [2025-03-04 05:28:45,714 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) [2025-03-04 05:28:45,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12258 states to 12258 states and 17064 transitions. [2025-03-04 05:28:45,765 INFO L78 Accepts]: Start accepts. Automaton has 12258 states and 17064 transitions. Word has length 137 [2025-03-04 05:28:45,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:28:45,766 INFO L471 AbstractCegarLoop]: Abstraction has 12258 states and 17064 transitions. [2025-03-04 05:28:45,767 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) [2025-03-04 05:28:45,767 INFO L276 IsEmpty]: Start isEmpty. Operand 12258 states and 17064 transitions. [2025-03-04 05:28:45,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-03-04 05:28:45,769 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:28:45,769 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] [2025-03-04 05:28:45,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 05:28:45,769 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)] === [2025-03-04 05:28:45,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:28:45,769 INFO L85 PathProgramCache]: Analyzing trace with hash -285972244, now seen corresponding path program 1 times [2025-03-04 05:28:45,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:28:45,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502288514] [2025-03-04 05:28:45,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:28:45,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:28:49,711 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-03-04 05:28:49,776 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-03-04 05:28:49,776 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:28:49,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:28:50,018 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2025-03-04 05:28:50,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:28:50,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502288514] [2025-03-04 05:28:50,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502288514] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:28:50,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:28:50,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:28:50,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493405058] [2025-03-04 05:28:50,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:28:50,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:28:50,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:28:50,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:28:50,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:28:50,019 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) [2025-03-04 05:28:54,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:28:57,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:28:57,017 INFO L93 Difference]: Finished difference Result 31831 states and 44315 transitions. [2025-03-04 05:28:57,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:28:57,018 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 [2025-03-04 05:28:57,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:28:57,095 INFO L225 Difference]: With dead ends: 31831 [2025-03-04 05:28:57,095 INFO L226 Difference]: Without dead ends: 19596 [2025-03-04 05:28:57,132 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 [2025-03-04 05:28:57,135 INFO L435 NwaCegarLoop]: 2475 mSDtfsCounter, 2274 mSDsluCounter, 2387 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s 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, 6.7s IncrementalHoareTripleChecker+Time [2025-03-04 05:28:57,135 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2274 Valid, 4862 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 197 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2025-03-04 05:28:57,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19596 states. [2025-03-04 05:28:57,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19596 to 19565. [2025-03-04 05:28:57,582 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) [2025-03-04 05:28:57,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19565 states to 19565 states and 27193 transitions. [2025-03-04 05:28:57,657 INFO L78 Accepts]: Start accepts. Automaton has 19565 states and 27193 transitions. Word has length 140 [2025-03-04 05:28:57,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:28:57,658 INFO L471 AbstractCegarLoop]: Abstraction has 19565 states and 27193 transitions. [2025-03-04 05:28:57,658 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) [2025-03-04 05:28:57,658 INFO L276 IsEmpty]: Start isEmpty. Operand 19565 states and 27193 transitions. [2025-03-04 05:28:57,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-03-04 05:28:57,661 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:28:57,661 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] [2025-03-04 05:28:57,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 05:28:57,661 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)] === [2025-03-04 05:28:57,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:28:57,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1557764534, now seen corresponding path program 1 times [2025-03-04 05:28:57,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:28:57,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746960886] [2025-03-04 05:28:57,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:28:57,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:29:01,543 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-04 05:29:01,606 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-04 05:29:01,607 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:29:01,607 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:29:01,941 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2025-03-04 05:29:01,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:29:01,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746960886] [2025-03-04 05:29:01,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746960886] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:29:01,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:29:01,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:29:01,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337229419] [2025-03-04 05:29:01,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:29:01,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:29:01,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:29:01,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:29:01,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:29:01,943 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)