./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 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b230ba173626e1a1717879ee489b2ae4510c44810563ac66116e22604ac558a2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 20:03:13,051 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 20:03:13,108 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 20:03:13,115 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 20:03:13,116 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 20:03:13,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 20:03:13,139 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 20:03:13,139 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 20:03:13,139 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 20:03:13,140 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 20:03:13,140 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 20:03:13,140 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 20:03:13,140 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 20:03:13,140 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 20:03:13,140 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 20:03:13,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 20:03:13,140 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 20:03:13,141 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 20:03:13,141 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 20:03:13,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 20:03:13,141 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 20:03:13,141 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 20:03:13,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 20:03:13,141 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 20:03:13,141 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 20:03:13,141 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 20:03:13,141 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 20:03:13,141 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 20:03:13,142 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 20:03:13,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 20:03:13,142 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 20:03:13,142 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 20:03:13,142 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 20:03:13,142 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 20:03:13,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 20:03:13,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 20:03:13,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 20:03:13,142 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 20:03:13,142 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 20:03:13,142 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 20:03:13,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 20:03:13,143 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 20:03:13,143 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 20:03:13,143 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 20:03:13,143 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 20:03:13,143 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b230ba173626e1a1717879ee489b2ae4510c44810563ac66116e22604ac558a2 [2025-01-09 20:03:13,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 20:03:13,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 20:03:13,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 20:03:13,416 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 20:03:13,417 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 20:03:13,417 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2025-01-09 20:03:14,526 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0b7615620/c620ef0e43cb43c6a59f39a01849df74/FLAG17daad7c8 [2025-01-09 20:03:15,009 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 20:03:15,009 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2025-01-09 20:03:15,046 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0b7615620/c620ef0e43cb43c6a59f39a01849df74/FLAG17daad7c8 [2025-01-09 20:03:15,087 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0b7615620/c620ef0e43cb43c6a59f39a01849df74 [2025-01-09 20:03:15,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 20:03:15,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 20:03:15,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 20:03:15,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 20:03:15,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 20:03:15,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:03:15" (1/1) ... [2025-01-09 20:03:15,098 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c50513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:03:15, skipping insertion in model container [2025-01-09 20:03:15,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:03:15" (1/1) ... [2025-01-09 20:03:15,185 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 20:03:17,739 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309274,309287] [2025-01-09 20:03:17,742 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309443,309456] [2025-01-09 20:03:17,742 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309610,309623] [2025-01-09 20:03:17,742 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309778,309791] [2025-01-09 20:03:17,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 20:03:17,794 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 20:03:17,858 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] [2025-01-09 20:03:17,863 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] [2025-01-09 20:03:17,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5256] [2025-01-09 20:03:17,866 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] [2025-01-09 20:03:17,867 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] [2025-01-09 20:03:17,872 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] [2025-01-09 20:03:17,873 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] [2025-01-09 20:03:17,991 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7248] [2025-01-09 20:03:17,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7500] [2025-01-09 20:03:18,091 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309274,309287] [2025-01-09 20:03:18,092 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309443,309456] [2025-01-09 20:03:18,092 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309610,309623] [2025-01-09 20:03:18,092 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309778,309791] [2025-01-09 20:03:18,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 20:03:18,212 INFO L204 MainTranslator]: Completed translation [2025-01-09 20:03:18,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:03:18 WrapperNode [2025-01-09 20:03:18,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 20:03:18,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 20:03:18,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 20:03:18,215 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 20:03:18,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:03:18" (1/1) ... [2025-01-09 20:03:18,286 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:03:18" (1/1) ... [2025-01-09 20:03:18,431 INFO L138 Inliner]: procedures = 411, calls = 1715, calls flagged for inlining = 195, calls inlined = 178, statements flattened = 4739 [2025-01-09 20:03:18,432 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 20:03:18,433 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 20:03:18,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 20:03:18,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 20:03:18,441 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:03:18" (1/1) ... [2025-01-09 20:03:18,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:03:18" (1/1) ... [2025-01-09 20:03:18,459 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:03:18" (1/1) ... [2025-01-09 20:03:19,065 INFO L175 MemorySlicer]: Split 777 memory accesses to 14 slices as follows [2, 8, 8, 631, 1, 2, 1, 55, 5, 5, 2, 2, 52, 3]. 81 percent of accesses are in the largest equivalence class. The 52 initializations are split as follows [0, 8, 8, 22, 1, 2, 0, 0, 5, 5, 0, 0, 0, 1]. The 402 writes are split as follows [1, 0, 0, 302, 0, 0, 0, 55, 0, 0, 1, 1, 42, 0]. [2025-01-09 20:03:19,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:03:18" (1/1) ... [2025-01-09 20:03:19,066 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:03:18" (1/1) ... [2025-01-09 20:03:19,160 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:03:18" (1/1) ... [2025-01-09 20:03:19,174 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:03:18" (1/1) ... [2025-01-09 20:03:19,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:03:18" (1/1) ... [2025-01-09 20:03:19,231 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:03:18" (1/1) ... [2025-01-09 20:03:19,244 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:03:18" (1/1) ... [2025-01-09 20:03:19,279 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 20:03:19,279 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 20:03:19,279 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 20:03:19,280 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 20:03:19,280 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:03:18" (1/1) ... [2025-01-09 20:03:19,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 20:03:19,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 20:03:19,311 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 20:03:19,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 20:03:19,337 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2025-01-09 20:03:19,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2025-01-09 20:03:19,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-01-09 20:03:19,339 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-01-09 20:03:19,339 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2025-01-09 20:03:19,339 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2025-01-09 20:03:19,339 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2025-01-09 20:03:19,339 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2025-01-09 20:03:19,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-01-09 20:03:19,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-01-09 20:03:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-01-09 20:03:19,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-01-09 20:03:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2025-01-09 20:03:19,340 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2025-01-09 20:03:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2025-01-09 20:03:19,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2025-01-09 20:03:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2025-01-09 20:03:19,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2025-01-09 20:03:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2025-01-09 20:03:19,340 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2025-01-09 20:03:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2025-01-09 20:03:19,340 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2025-01-09 20:03:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2025-01-09 20:03:19,342 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2025-01-09 20:03:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_poll [2025-01-09 20:03:19,342 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_poll [2025-01-09 20:03:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2025-01-09 20:03:19,342 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2025-01-09 20:03:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-01-09 20:03:19,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-01-09 20:03:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2025-01-09 20:03:19,342 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2025-01-09 20:03:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2025-01-09 20:03:19,342 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2025-01-09 20:03:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2025-01-09 20:03:19,342 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2025-01-09 20:03:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-01-09 20:03:19,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-01-09 20:03:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2025-01-09 20:03:19,342 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2025-01-09 20:03:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 20:03:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_stop [2025-01-09 20:03:19,342 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_stop [2025-01-09 20:03:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-01-09 20:03:19,343 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2025-01-09 20:03:19,343 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2025-01-09 20:03:19,343 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-01-09 20:03:19,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_set_filter_mode [2025-01-09 20:03:19,343 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_set_filter_mode [2025-01-09 20:03:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write_1bit [2025-01-09 20:03:19,344 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write_1bit [2025-01-09 20:03:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 20:03:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 20:03:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 20:03:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 20:03:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 20:03:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 20:03:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 20:03:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 20:03:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 20:03:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 20:03:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 20:03:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 20:03:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 20:03:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 20:03:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2025-01-09 20:03:19,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2025-01-09 20:03:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2025-01-09 20:03:19,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2025-01-09 20:03:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-01-09 20:03:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-01-09 20:03:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-01-09 20:03:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-01-09 20:03:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-01-09 20:03:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-01-09 20:03:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-01-09 20:03:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-01-09 20:03:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-01-09 20:03:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2025-01-09 20:03:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2025-01-09 20:03:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2025-01-09 20:03:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2025-01-09 20:03:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2025-01-09 20:03:19,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-01-09 20:03:19,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-01-09 20:03:19,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-01-09 20:03:19,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-01-09 20:03:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-01-09 20:03:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-01-09 20:03:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-01-09 20:03:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-01-09 20:03:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-01-09 20:03:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2025-01-09 20:03:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2025-01-09 20:03:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2025-01-09 20:03:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2025-01-09 20:03:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2025-01-09 20:03:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2025-01-09 20:03:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2025-01-09 20:03:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2025-01-09 20:03:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2025-01-09 20:03:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2025-01-09 20:03:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2025-01-09 20:03:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2025-01-09 20:03:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2025-01-09 20:03:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2025-01-09 20:03:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2025-01-09 20:03:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read_1bit [2025-01-09 20:03:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read_1bit [2025-01-09 20:03:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-01-09 20:03:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-01-09 20:03:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reset_prepare [2025-01-09 20:03:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reset_prepare [2025-01-09 20:03:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 20:03:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2025-01-09 20:03:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2025-01-09 20:03:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2025-01-09 20:03:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2025-01-09 20:03:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 20:03:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2025-01-09 20:03:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2025-01-09 20:03:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-01-09 20:03:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-01-09 20:03:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2025-01-09 20:03:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2025-01-09 20:03:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 20:03:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 20:03:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 20:03:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 20:03:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 20:03:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 20:03:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 20:03:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 20:03:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 20:03:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-01-09 20:03:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-01-09 20:03:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-01-09 20:03:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-01-09 20:03:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-01-09 20:03:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-01-09 20:03:19,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-01-09 20:03:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2025-01-09 20:03:19,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2025-01-09 20:03:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-01-09 20:03:19,349 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-01-09 20:03:19,352 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2025-01-09 20:03:19,352 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2025-01-09 20:03:19,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2025-01-09 20:03:19,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2025-01-09 20:03:19,352 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2025-01-09 20:03:19,352 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2025-01-09 20:03:19,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 20:03:19,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 20:03:19,352 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reuse_skb [2025-01-09 20:03:19,353 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reuse_skb [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_open [2025-01-09 20:03:19,353 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_open [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-01-09 20:03:19,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-01-09 20:03:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-01-09 20:03:19,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-01-09 20:03:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2025-01-09 20:03:19,354 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2025-01-09 20:03:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_uli526x_board_info [2025-01-09 20:03:19,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_uli526x_board_info [2025-01-09 20:03:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2025-01-09 20:03:19,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2025-01-09 20:03:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2025-01-09 20:03:19,354 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2025-01-09 20:03:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2025-01-09 20:03:19,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2025-01-09 20:03:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2025-01-09 20:03:19,354 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2025-01-09 20:03:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2025-01-09 20:03:19,354 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2025-01-09 20:03:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2025-01-09 20:03:19,354 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2025-01-09 20:03:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2025-01-09 20:03:19,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2025-01-09 20:03:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2025-01-09 20:03:19,354 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2025-01-09 20:03:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 20:03:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2025-01-09 20:03:19,354 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2025-01-09 20:03:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 20:03:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 20:03:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 20:03:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 20:03:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 20:03:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 20:03:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 20:03:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 20:03:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 20:03:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-01-09 20:03:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-01-09 20:03:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-01-09 20:03:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-01-09 20:03:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-01-09 20:03:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2025-01-09 20:03:19,354 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2025-01-09 20:03:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-01-09 20:03:19,354 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-01-09 20:03:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2025-01-09 20:03:19,357 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2025-01-09 20:03:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-01-09 20:03:19,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-01-09 20:03:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_resume [2025-01-09 20:03:19,357 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_resume [2025-01-09 20:03:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2025-01-09 20:03:19,357 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2025-01-09 20:03:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_interrupt [2025-01-09 20:03:19,357 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_interrupt [2025-01-09 20:03:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2025-01-09 20:03:19,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2025-01-09 20:03:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_remove_one [2025-01-09 20:03:19,357 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_remove_one [2025-01-09 20:03:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2025-01-09 20:03:19,357 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2025-01-09 20:03:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 20:03:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 20:03:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 20:03:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 20:03:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 20:03:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 20:03:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 20:03:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 20:03:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 20:03:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 20:03:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 20:03:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 20:03:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 20:03:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 20:03:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-01-09 20:03:19,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-01-09 20:03:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2025-01-09 20:03:19,357 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2025-01-09 20:03:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_free_rxbuffer [2025-01-09 20:03:19,357 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_free_rxbuffer [2025-01-09 20:03:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-01-09 20:03:19,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-01-09 20:03:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2025-01-09 20:03:19,358 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2025-01-09 20:03:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2025-01-09 20:03:19,358 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2025-01-09 20:03:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_init [2025-01-09 20:03:19,358 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_init [2025-01-09 20:03:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 20:03:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 20:03:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 20:03:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 20:03:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 20:03:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 20:03:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 20:03:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 20:03:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 20:03:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 20:03:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 20:03:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 20:03:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 20:03:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 20:03:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-01-09 20:03:19,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-01-09 20:03:19,993 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 20:03:19,996 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 20:03:20,398 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-01-09 20:03:33,518 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-01-09 20:03:33,989 INFO L? ?]: Removed 2237 outVars from TransFormulas that were not future-live. [2025-01-09 20:03:33,989 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 20:03:34,020 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 20:03:34,020 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 20:03:34,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:03:34 BoogieIcfgContainer [2025-01-09 20:03:34,020 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 20:03:34,022 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 20:03:34,022 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 20:03:34,026 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 20:03:34,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 08:03:15" (1/3) ... [2025-01-09 20:03:34,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4293076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:03:34, skipping insertion in model container [2025-01-09 20:03:34,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:03:18" (2/3) ... [2025-01-09 20:03:34,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4293076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:03:34, skipping insertion in model container [2025-01-09 20:03:34,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:03:34" (3/3) ... [2025-01-09 20:03:34,028 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2025-01-09 20:03:34,037 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 20:03:34,040 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, 1880 locations, 1 initial locations, 28 loop locations, and 3 error locations. [2025-01-09 20:03:34,112 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 20:03:34,121 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;@105d7a90, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 20:03:34,122 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-01-09 20:03:34,130 INFO L276 IsEmpty]: Start isEmpty. Operand has 1813 states, 1299 states have (on average 1.3287143956889915) internal successors, (1726), 1322 states have internal predecessors, (1726), 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) [2025-01-09 20:03:34,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-01-09 20:03:34,145 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 20:03:34,146 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] [2025-01-09 20:03:34,146 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-01-09 20:03:34,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 20:03:34,152 INFO L85 PathProgramCache]: Analyzing trace with hash -350460708, now seen corresponding path program 1 times [2025-01-09 20:03:34,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 20:03:34,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129205772] [2025-01-09 20:03:34,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 20:03:34,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 20:03:38,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-01-09 20:03:38,516 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-01-09 20:03:38,517 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 20:03:38,517 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 20:03:39,116 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2025-01-09 20:03:39,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 20:03:39,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129205772] [2025-01-09 20:03:39,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129205772] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 20:03:39,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 20:03:39,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 20:03:39,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718291613] [2025-01-09 20:03:39,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 20:03:39,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 20:03:39,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 20:03:39,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 20:03:39,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 20:03:39,143 INFO L87 Difference]: Start difference. First operand has 1813 states, 1299 states have (on average 1.3287143956889915) internal successors, (1726), 1322 states have internal predecessors, (1726), 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) [2025-01-09 20:03:43,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 20:03:44,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 20:03:44,099 INFO L93 Difference]: Finished difference Result 5280 states and 7706 transitions. [2025-01-09 20:03:44,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 20:03:44,103 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 [2025-01-09 20:03:44,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 20:03:44,141 INFO L225 Difference]: With dead ends: 5280 [2025-01-09 20:03:44,142 INFO L226 Difference]: Without dead ends: 3480 [2025-01-09 20:03:44,158 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 20:03:44,160 INFO L435 NwaCegarLoop]: 2566 mSDtfsCounter, 2413 mSDsluCounter, 2473 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2413 SdHoareTripleChecker+Valid, 5039 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2025-01-09 20:03:44,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2413 Valid, 5039 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2025-01-09 20:03:44,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3480 states. [2025-01-09 20:03:44,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3480 to 3476. [2025-01-09 20:03:44,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3476 states, 2512 states have (on average 1.3085191082802548) internal successors, (3287), 2557 states have internal predecessors, (3287), 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) [2025-01-09 20:03:44,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3476 states to 3476 states and 4889 transitions. [2025-01-09 20:03:44,354 INFO L78 Accepts]: Start accepts. Automaton has 3476 states and 4889 transitions. Word has length 127 [2025-01-09 20:03:44,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 20:03:44,357 INFO L471 AbstractCegarLoop]: Abstraction has 3476 states and 4889 transitions. [2025-01-09 20:03:44,357 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) [2025-01-09 20:03:44,357 INFO L276 IsEmpty]: Start isEmpty. Operand 3476 states and 4889 transitions. [2025-01-09 20:03:44,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-01-09 20:03:44,361 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 20:03:44,361 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] [2025-01-09 20:03:44,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 20:03:44,361 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-01-09 20:03:44,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 20:03:44,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1917619709, now seen corresponding path program 1 times [2025-01-09 20:03:44,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 20:03:44,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506426176] [2025-01-09 20:03:44,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 20:03:44,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 20:03:48,052 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-01-09 20:03:48,113 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-01-09 20:03:48,113 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 20:03:48,113 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 20:03:48,457 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2025-01-09 20:03:48,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 20:03:48,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506426176] [2025-01-09 20:03:48,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506426176] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 20:03:48,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 20:03:48,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 20:03:48,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276844846] [2025-01-09 20:03:48,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 20:03:48,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 20:03:48,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 20:03:48,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 20:03:48,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 20:03:48,460 INFO L87 Difference]: Start difference. First operand 3476 states and 4889 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) [2025-01-09 20:03:52,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 20:03:53,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 20:03:53,436 INFO L93 Difference]: Finished difference Result 10282 states and 14479 transitions. [2025-01-09 20:03:53,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 20:03:53,437 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 [2025-01-09 20:03:53,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 20:03:53,488 INFO L225 Difference]: With dead ends: 10282 [2025-01-09 20:03:53,489 INFO L226 Difference]: Without dead ends: 6829 [2025-01-09 20:03:53,508 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 20:03:53,509 INFO L435 NwaCegarLoop]: 2559 mSDtfsCounter, 2466 mSDsluCounter, 2469 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2466 SdHoareTripleChecker+Valid, 5028 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2025-01-09 20:03:53,509 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2466 Valid, 5028 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2025-01-09 20:03:53,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6829 states. [2025-01-09 20:03:53,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6829 to 6799. [2025-01-09 20:03:53,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6799 states, 4934 states have (on average 1.3115119578435346) internal successors, (6471), 5028 states have internal predecessors, (6471), 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) [2025-01-09 20:03:53,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6799 states to 6799 states and 9575 transitions. [2025-01-09 20:03:53,788 INFO L78 Accepts]: Start accepts. Automaton has 6799 states and 9575 transitions. Word has length 131 [2025-01-09 20:03:53,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 20:03:53,789 INFO L471 AbstractCegarLoop]: Abstraction has 6799 states and 9575 transitions. [2025-01-09 20:03:53,789 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) [2025-01-09 20:03:53,789 INFO L276 IsEmpty]: Start isEmpty. Operand 6799 states and 9575 transitions. [2025-01-09 20:03:53,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-01-09 20:03:53,791 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 20:03:53,791 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] [2025-01-09 20:03:53,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 20:03:53,791 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-01-09 20:03:53,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 20:03:53,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1799052014, now seen corresponding path program 1 times [2025-01-09 20:03:53,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 20:03:53,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168705694] [2025-01-09 20:03:53,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 20:03:53,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 20:03:57,300 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-01-09 20:03:57,383 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-01-09 20:03:57,383 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 20:03:57,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 20:03:57,840 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2025-01-09 20:03:57,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 20:03:57,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168705694] [2025-01-09 20:03:57,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168705694] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 20:03:57,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 20:03:57,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 20:03:57,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162274645] [2025-01-09 20:03:57,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 20:03:57,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 20:03:57,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 20:03:57,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 20:03:57,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 20:03:57,842 INFO L87 Difference]: Start difference. First operand 6799 states and 9575 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) [2025-01-09 20:04:01,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 20:04:02,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 20:04:02,850 INFO L93 Difference]: Finished difference Result 19521 states and 27407 transitions. [2025-01-09 20:04:02,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 20:04:02,851 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 [2025-01-09 20:04:02,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 20:04:02,941 INFO L225 Difference]: With dead ends: 19521 [2025-01-09 20:04:02,941 INFO L226 Difference]: Without dead ends: 12745 [2025-01-09 20:04:02,981 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 20:04:02,982 INFO L435 NwaCegarLoop]: 2577 mSDtfsCounter, 2213 mSDsluCounter, 2461 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2213 SdHoareTripleChecker+Valid, 5038 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2025-01-09 20:04:02,983 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2213 Valid, 5038 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2025-01-09 20:04:02,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12745 states. [2025-01-09 20:04:03,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12745 to 12711. [2025-01-09 20:04:03,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12711 states, 9200 states have (on average 1.304891304347826) internal successors, (12005), 9386 states have internal predecessors, (12005), 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) [2025-01-09 20:04:03,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12711 states to 12711 states and 17813 transitions. [2025-01-09 20:04:03,455 INFO L78 Accepts]: Start accepts. Automaton has 12711 states and 17813 transitions. Word has length 131 [2025-01-09 20:04:03,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 20:04:03,455 INFO L471 AbstractCegarLoop]: Abstraction has 12711 states and 17813 transitions. [2025-01-09 20:04:03,456 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) [2025-01-09 20:04:03,456 INFO L276 IsEmpty]: Start isEmpty. Operand 12711 states and 17813 transitions. [2025-01-09 20:04:03,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2025-01-09 20:04:03,460 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 20:04:03,461 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] [2025-01-09 20:04:03,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 20:04:03,461 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-01-09 20:04:03,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 20:04:03,461 INFO L85 PathProgramCache]: Analyzing trace with hash 168798604, now seen corresponding path program 1 times [2025-01-09 20:04:03,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 20:04:03,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359568987] [2025-01-09 20:04:03,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 20:04:03,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 20:04:07,003 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-01-09 20:04:07,061 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-01-09 20:04:07,062 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 20:04:07,062 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 20:04:07,424 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2025-01-09 20:04:07,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 20:04:07,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359568987] [2025-01-09 20:04:07,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359568987] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 20:04:07,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 20:04:07,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 20:04:07,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226251242] [2025-01-09 20:04:07,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 20:04:07,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 20:04:07,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 20:04:07,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 20:04:07,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 20:04:07,427 INFO L87 Difference]: Start difference. First operand 12711 states and 17813 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) [2025-01-09 20:04:11,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 20:04:12,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 20:04:12,974 INFO L93 Difference]: Finished difference Result 24964 states and 34968 transitions. [2025-01-09 20:04:12,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 20:04:12,974 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 [2025-01-09 20:04:12,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 20:04:13,139 INFO L225 Difference]: With dead ends: 24964 [2025-01-09 20:04:13,140 INFO L226 Difference]: Without dead ends: 12276 [2025-01-09 20:04:13,189 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 20:04:13,190 INFO L435 NwaCegarLoop]: 2868 mSDtfsCounter, 1732 mSDsluCounter, 2462 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1732 SdHoareTripleChecker+Valid, 5330 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2025-01-09 20:04:13,190 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1732 Valid, 5330 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 76 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2025-01-09 20:04:13,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12276 states. [2025-01-09 20:04:13,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12276 to 12244. [2025-01-09 20:04:13,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12244 states, 9014 states have (on average 1.3127357443976038) internal successors, (11833), 9187 states have internal predecessors, (11833), 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) [2025-01-09 20:04:13,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12244 states to 12244 states and 17050 transitions. [2025-01-09 20:04:13,731 INFO L78 Accepts]: Start accepts. Automaton has 12244 states and 17050 transitions. Word has length 137 [2025-01-09 20:04:13,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 20:04:13,732 INFO L471 AbstractCegarLoop]: Abstraction has 12244 states and 17050 transitions. [2025-01-09 20:04:13,733 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) [2025-01-09 20:04:13,733 INFO L276 IsEmpty]: Start isEmpty. Operand 12244 states and 17050 transitions. [2025-01-09 20:04:13,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-01-09 20:04:13,736 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 20:04:13,736 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] [2025-01-09 20:04:13,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 20:04:13,737 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-01-09 20:04:13,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 20:04:13,737 INFO L85 PathProgramCache]: Analyzing trace with hash 933209158, now seen corresponding path program 1 times [2025-01-09 20:04:13,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 20:04:13,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261454645] [2025-01-09 20:04:13,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 20:04:13,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 20:04:17,221 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-01-09 20:04:17,299 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-01-09 20:04:17,300 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 20:04:17,300 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 20:04:17,543 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2025-01-09 20:04:17,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 20:04:17,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261454645] [2025-01-09 20:04:17,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261454645] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 20:04:17,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 20:04:17,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 20:04:17,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118449878] [2025-01-09 20:04:17,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 20:04:17,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 20:04:17,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 20:04:17,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 20:04:17,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 20:04:17,545 INFO L87 Difference]: Start difference. First operand 12244 states and 17050 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) [2025-01-09 20:04:21,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 20:04:23,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 20:04:23,087 INFO L93 Difference]: Finished difference Result 31797 states and 44281 transitions. [2025-01-09 20:04:23,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 20:04:23,087 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 [2025-01-09 20:04:23,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 20:04:23,174 INFO L225 Difference]: With dead ends: 31797 [2025-01-09 20:04:23,175 INFO L226 Difference]: Without dead ends: 19576 [2025-01-09 20:04:23,206 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 20:04:23,208 INFO L435 NwaCegarLoop]: 2545 mSDtfsCounter, 2272 mSDsluCounter, 2457 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2272 SdHoareTripleChecker+Valid, 5002 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2025-01-09 20:04:23,208 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2272 Valid, 5002 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 53 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2025-01-09 20:04:23,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19576 states. [2025-01-09 20:04:23,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19576 to 19545. [2025-01-09 20:04:23,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19545 states, 14286 states have (on average 1.3082738345233096) internal successors, (18690), 14569 states have internal predecessors, (18690), 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) [2025-01-09 20:04:23,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19545 states to 19545 states and 27173 transitions. [2025-01-09 20:04:23,977 INFO L78 Accepts]: Start accepts. Automaton has 19545 states and 27173 transitions. Word has length 140 [2025-01-09 20:04:23,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 20:04:23,978 INFO L471 AbstractCegarLoop]: Abstraction has 19545 states and 27173 transitions. [2025-01-09 20:04:23,978 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) [2025-01-09 20:04:23,978 INFO L276 IsEmpty]: Start isEmpty. Operand 19545 states and 27173 transitions. [2025-01-09 20:04:23,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-01-09 20:04:23,980 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 20:04:23,980 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] [2025-01-09 20:04:23,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 20:04:23,980 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)] === [2025-01-09 20:04:23,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 20:04:23,982 INFO L85 PathProgramCache]: Analyzing trace with hash 386822243, now seen corresponding path program 1 times [2025-01-09 20:04:23,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 20:04:23,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929663558] [2025-01-09 20:04:23,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 20:04:23,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 20:04:27,969 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-01-09 20:04:28,016 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-01-09 20:04:28,017 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 20:04:28,017 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 20:04:28,338 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2025-01-09 20:04:28,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 20:04:28,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929663558] [2025-01-09 20:04:28,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929663558] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 20:04:28,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 20:04:28,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 20:04:28,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677244413] [2025-01-09 20:04:28,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 20:04:28,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 20:04:28,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 20:04:28,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 20:04:28,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 20:04:28,341 INFO L87 Difference]: Start difference. First operand 19545 states and 27173 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-01-09 20:04:32,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 20:04:33,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 20:04:33,445 INFO L93 Difference]: Finished difference Result 57013 states and 79332 transitions. [2025-01-09 20:04:33,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 20:04:33,446 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 154 [2025-01-09 20:04:33,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 20:04:33,606 INFO L225 Difference]: With dead ends: 57013 [2025-01-09 20:04:33,606 INFO L226 Difference]: Without dead ends: 37491 [2025-01-09 20:04:33,675 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 20:04:33,676 INFO L435 NwaCegarLoop]: 2868 mSDtfsCounter, 2477 mSDsluCounter, 2516 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2477 SdHoareTripleChecker+Valid, 5384 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2025-01-09 20:04:33,677 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2477 Valid, 5384 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2025-01-09 20:04:33,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37491 states. [2025-01-09 20:04:34,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37491 to 37433. [2025-01-09 20:04:34,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37433 states, 27329 states have (on average 1.308609901569761) internal successors, (35763), 27905 states have internal predecessors, (35763), 8142 states have call successors, (8142), 2002 states have call predecessors, (8142), 1959 states have return successors, (8168), 7793 states have call predecessors, (8168), 8138 states have call successors, (8168) [2025-01-09 20:04:34,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37433 states to 37433 states and 52073 transitions. [2025-01-09 20:04:34,638 INFO L78 Accepts]: Start accepts. Automaton has 37433 states and 52073 transitions. Word has length 154 [2025-01-09 20:04:34,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 20:04:34,639 INFO L471 AbstractCegarLoop]: Abstraction has 37433 states and 52073 transitions. [2025-01-09 20:04:34,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-01-09 20:04:34,639 INFO L276 IsEmpty]: Start isEmpty. Operand 37433 states and 52073 transitions. [2025-01-09 20:04:34,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2025-01-09 20:04:34,641 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 20:04:34,641 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 20:04:34,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 20:04:34,642 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-01-09 20:04:34,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 20:04:34,642 INFO L85 PathProgramCache]: Analyzing trace with hash 292148036, now seen corresponding path program 1 times [2025-01-09 20:04:34,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 20:04:34,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918312128] [2025-01-09 20:04:34,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 20:04:34,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 20:04:38,524 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-01-09 20:04:38,569 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-01-09 20:04:38,570 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 20:04:38,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 20:04:38,802 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2025-01-09 20:04:38,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 20:04:38,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918312128] [2025-01-09 20:04:38,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918312128] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 20:04:38,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 20:04:38,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 20:04:38,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305931621] [2025-01-09 20:04:38,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 20:04:38,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 20:04:38,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 20:04:38,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 20:04:38,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 20:04:38,803 INFO L87 Difference]: Start difference. First operand 37433 states and 52073 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2025-01-09 20:04:39,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 20:04:39,527 INFO L93 Difference]: Finished difference Result 74787 states and 104052 transitions. [2025-01-09 20:04:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 20:04:39,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 194 [2025-01-09 20:04:39,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted.