./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 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b230ba173626e1a1717879ee489b2ae4510c44810563ac66116e22604ac558a2 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 04:36:18,320 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 04:36:18,402 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 04:36:18,409 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 04:36:18,411 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 04:36:18,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 04:36:18,445 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 04:36:18,446 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 04:36:18,446 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 04:36:18,447 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 04:36:18,447 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 04:36:18,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 04:36:18,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 04:36:18,449 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 04:36:18,449 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 04:36:18,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 04:36:18,450 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 04:36:18,450 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 04:36:18,450 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 04:36:18,451 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 04:36:18,451 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 04:36:18,452 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 04:36:18,452 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 04:36:18,452 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 04:36:18,453 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 04:36:18,453 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 04:36:18,453 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 04:36:18,454 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 04:36:18,454 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 04:36:18,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 04:36:18,455 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 04:36:18,455 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 04:36:18,455 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 04:36:18,456 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 04:36:18,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 04:36:18,456 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 04:36:18,456 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 04:36:18,457 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 04:36:18,457 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 04:36:18,457 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b230ba173626e1a1717879ee489b2ae4510c44810563ac66116e22604ac558a2 [2024-11-19 04:36:18,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 04:36:18,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 04:36:18,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 04:36:18,865 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 04:36:18,866 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 04:36:18,867 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2024-11-19 04:36:20,389 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 04:36:20,965 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 04:36:20,965 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2024-11-19 04:36:21,023 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc86e1b95/4881c645bb8f4bd19a5d6283c54e9d60/FLAG072d0b915 [2024-11-19 04:36:21,045 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc86e1b95/4881c645bb8f4bd19a5d6283c54e9d60 [2024-11-19 04:36:21,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 04:36:21,049 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 04:36:21,051 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 04:36:21,051 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 04:36:21,056 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 04:36:21,057 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:36:21" (1/1) ... [2024-11-19 04:36:21,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@377e4c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:36:21, skipping insertion in model container [2024-11-19 04:36:21,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:36:21" (1/1) ... [2024-11-19 04:36:21,250 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 04:36:24,632 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309274,309287] [2024-11-19 04:36:24,637 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309443,309456] [2024-11-19 04:36:24,638 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309610,309623] [2024-11-19 04:36:24,639 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309778,309791] [2024-11-19 04:36:24,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 04:36:24,727 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 04:36:24,860 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] [2024-11-19 04:36:24,863 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] [2024-11-19 04:36:24,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5256] [2024-11-19 04:36:24,866 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] [2024-11-19 04:36:24,867 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] [2024-11-19 04:36:24,878 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] [2024-11-19 04:36:24,881 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] [2024-11-19 04:36:25,077 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7248] [2024-11-19 04:36:25,091 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7500] [2024-11-19 04:36:25,213 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309274,309287] [2024-11-19 04:36:25,214 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309443,309456] [2024-11-19 04:36:25,214 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309610,309623] [2024-11-19 04:36:25,215 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309778,309791] [2024-11-19 04:36:25,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 04:36:25,420 INFO L204 MainTranslator]: Completed translation [2024-11-19 04:36:25,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:36:25 WrapperNode [2024-11-19 04:36:25,422 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 04:36:25,423 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 04:36:25,424 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 04:36:25,424 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 04:36:25,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:36:25" (1/1) ... [2024-11-19 04:36:25,553 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:36:25" (1/1) ... [2024-11-19 04:36:25,768 INFO L138 Inliner]: procedures = 411, calls = 1715, calls flagged for inlining = 195, calls inlined = 178, statements flattened = 4821 [2024-11-19 04:36:25,769 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 04:36:25,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 04:36:25,770 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 04:36:25,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 04:36:25,785 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:36:25" (1/1) ... [2024-11-19 04:36:25,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:36:25" (1/1) ... [2024-11-19 04:36:25,822 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:36:25" (1/1) ... [2024-11-19 04:36:26,802 INFO L175 MemorySlicer]: Split 777 memory accesses to 14 slices as follows [8, 8, 1, 2, 55, 2, 5, 5, 52, 3, 2, 631, 1, 2]. 81 percent of accesses are in the largest equivalence class. The 52 initializations are split as follows [8, 8, 1, 2, 0, 0, 5, 5, 0, 1, 0, 22, 0, 0]. The 402 writes are split as follows [0, 0, 0, 0, 55, 1, 0, 0, 42, 0, 1, 302, 0, 1]. [2024-11-19 04:36:26,803 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:36:25" (1/1) ... [2024-11-19 04:36:26,803 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:36:25" (1/1) ... [2024-11-19 04:36:26,923 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:36:25" (1/1) ... [2024-11-19 04:36:26,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:36:25" (1/1) ... [2024-11-19 04:36:26,974 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:36:25" (1/1) ... [2024-11-19 04:36:26,993 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:36:25" (1/1) ... [2024-11-19 04:36:27,042 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 04:36:27,043 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 04:36:27,043 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 04:36:27,043 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 04:36:27,046 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:36:25" (1/1) ... [2024-11-19 04:36:27,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 04:36:27,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 04:36:27,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 04:36:27,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 04:36:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-19 04:36:27,166 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-19 04:36:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-19 04:36:27,166 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-19 04:36:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-11-19 04:36:27,166 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-11-19 04:36:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-19 04:36:27,166 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-19 04:36:27,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 04:36:27,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 04:36:27,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-19 04:36:27,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-19 04:36:27,167 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-19 04:36:27,167 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-19 04:36:27,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2024-11-19 04:36:27,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2024-11-19 04:36:27,167 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-19 04:36:27,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-19 04:36:27,167 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-11-19 04:36:27,167 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-11-19 04:36:27,167 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-11-19 04:36:27,167 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-11-19 04:36:27,168 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2024-11-19 04:36:27,168 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2024-11-19 04:36:27,168 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_poll [2024-11-19 04:36:27,168 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_poll [2024-11-19 04:36:27,168 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-19 04:36:27,168 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-19 04:36:27,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-19 04:36:27,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-19 04:36:27,168 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-19 04:36:27,168 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-19 04:36:27,168 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-19 04:36:27,168 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-19 04:36:27,168 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-19 04:36:27,168 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-19 04:36:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-19 04:36:27,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-19 04:36:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2024-11-19 04:36:27,169 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2024-11-19 04:36:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 04:36:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_stop [2024-11-19 04:36:27,169 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_stop [2024-11-19 04:36:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-19 04:36:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-19 04:36:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-19 04:36:27,172 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-19 04:36:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-19 04:36:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-19 04:36:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-19 04:36:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-19 04:36:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-19 04:36:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-19 04:36:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-19 04:36:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-19 04:36:27,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-19 04:36:27,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-19 04:36:27,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-19 04:36:27,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-19 04:36:27,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-19 04:36:27,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-19 04:36:27,175 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-19 04:36:27,176 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-19 04:36:27,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 04:36:27,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 04:36:27,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 04:36:27,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 04:36:27,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 04:36:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 04:36:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 04:36:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 04:36:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 04:36:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 04:36:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-19 04:36:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-19 04:36:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-19 04:36:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-19 04:36:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-19 04:36:27,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-19 04:36:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_set_filter_mode [2024-11-19 04:36:27,179 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_set_filter_mode [2024-11-19 04:36:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write_1bit [2024-11-19 04:36:27,179 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write_1bit [2024-11-19 04:36:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 04:36:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 04:36:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 04:36:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 04:36:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 04:36:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 04:36:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 04:36:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 04:36:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 04:36:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 04:36:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 04:36:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 04:36:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 04:36:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-19 04:36:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2024-11-19 04:36:27,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2024-11-19 04:36:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-19 04:36:27,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-19 04:36:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-19 04:36:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-19 04:36:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-19 04:36:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-19 04:36:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-19 04:36:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-19 04:36:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-19 04:36:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-19 04:36:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-19 04:36:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-19 04:36:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-19 04:36:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-19 04:36:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-19 04:36:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-19 04:36:27,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-19 04:36:27,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-19 04:36:27,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-19 04:36:27,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-19 04:36:27,185 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-19 04:36:27,185 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-19 04:36:27,185 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-19 04:36:27,185 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-19 04:36:27,185 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-19 04:36:27,185 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-19 04:36:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-19 04:36:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-19 04:36:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-19 04:36:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-19 04:36:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-19 04:36:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-19 04:36:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-19 04:36:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-19 04:36:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-19 04:36:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-19 04:36:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-19 04:36:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-19 04:36:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-19 04:36:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-19 04:36:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read_1bit [2024-11-19 04:36:27,188 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read_1bit [2024-11-19 04:36:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-19 04:36:27,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-19 04:36:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reset_prepare [2024-11-19 04:36:27,188 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reset_prepare [2024-11-19 04:36:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 04:36:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-19 04:36:27,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-19 04:36:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-19 04:36:27,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-19 04:36:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 04:36:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2024-11-19 04:36:27,188 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2024-11-19 04:36:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-19 04:36:27,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-19 04:36:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-19 04:36:27,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-19 04:36:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 04:36:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 04:36:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 04:36:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 04:36:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 04:36:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 04:36:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 04:36:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 04:36:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 04:36:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 04:36:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 04:36:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 04:36:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 04:36:27,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-19 04:36:27,190 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-19 04:36:27,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-19 04:36:27,190 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-19 04:36:27,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-19 04:36:27,190 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-19 04:36:27,190 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-19 04:36:27,190 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-19 04:36:27,193 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-19 04:36:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-19 04:36:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-19 04:36:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2024-11-19 04:36:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2024-11-19 04:36:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 04:36:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 04:36:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reuse_skb [2024-11-19 04:36:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reuse_skb [2024-11-19 04:36:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_open [2024-11-19 04:36:27,195 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_open [2024-11-19 04:36:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-19 04:36:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-19 04:36:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-19 04:36:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-19 04:36:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-19 04:36:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-19 04:36:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-19 04:36:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-19 04:36:27,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-19 04:36:27,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-19 04:36:27,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-19 04:36:27,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-19 04:36:27,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-19 04:36:27,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-19 04:36:27,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 04:36:27,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 04:36:27,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 04:36:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 04:36:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 04:36:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 04:36:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 04:36:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 04:36:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 04:36:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 04:36:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-19 04:36:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-19 04:36:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-19 04:36:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-19 04:36:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 04:36:27,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 04:36:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-19 04:36:27,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-19 04:36:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-11-19 04:36:27,198 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-11-19 04:36:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_uli526x_board_info [2024-11-19 04:36:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_uli526x_board_info [2024-11-19 04:36:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-19 04:36:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-19 04:36:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-19 04:36:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-19 04:36:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2024-11-19 04:36:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2024-11-19 04:36:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-19 04:36:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-19 04:36:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-19 04:36:27,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-19 04:36:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2024-11-19 04:36:27,200 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2024-11-19 04:36:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2024-11-19 04:36:27,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2024-11-19 04:36:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-19 04:36:27,200 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-19 04:36:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 04:36:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-19 04:36:27,200 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-19 04:36:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 04:36:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 04:36:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 04:36:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 04:36:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 04:36:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 04:36:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 04:36:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 04:36:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 04:36:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 04:36:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 04:36:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 04:36:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 04:36:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-19 04:36:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-19 04:36:27,201 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-19 04:36:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-19 04:36:27,201 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-19 04:36:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-19 04:36:27,202 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-19 04:36:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-19 04:36:27,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-19 04:36:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_resume [2024-11-19 04:36:27,202 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_resume [2024-11-19 04:36:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-19 04:36:27,202 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-19 04:36:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_interrupt [2024-11-19 04:36:27,205 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_interrupt [2024-11-19 04:36:27,205 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2024-11-19 04:36:27,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2024-11-19 04:36:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_remove_one [2024-11-19 04:36:27,208 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_remove_one [2024-11-19 04:36:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2024-11-19 04:36:27,208 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2024-11-19 04:36:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 04:36:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 04:36:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 04:36:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 04:36:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 04:36:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 04:36:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 04:36:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 04:36:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 04:36:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 04:36:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 04:36:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 04:36:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 04:36:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-19 04:36:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-19 04:36:27,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-19 04:36:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2024-11-19 04:36:27,209 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2024-11-19 04:36:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_free_rxbuffer [2024-11-19 04:36:27,209 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_free_rxbuffer [2024-11-19 04:36:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-19 04:36:27,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-19 04:36:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-19 04:36:27,210 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-19 04:36:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-11-19 04:36:27,210 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-11-19 04:36:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_init [2024-11-19 04:36:27,210 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_init [2024-11-19 04:36:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 04:36:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 04:36:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 04:36:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 04:36:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 04:36:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 04:36:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 04:36:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 04:36:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 04:36:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 04:36:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 04:36:27,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 04:36:27,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 04:36:27,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 04:36:27,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-19 04:36:27,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-19 04:36:28,049 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 04:36:28,055 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 04:36:28,716 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 04:36:45,311 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-19 04:36:46,232 INFO L? ?]: Removed 2243 outVars from TransFormulas that were not future-live. [2024-11-19 04:36:46,233 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 04:36:46,297 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 04:36:46,297 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 04:36:46,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:36:46 BoogieIcfgContainer [2024-11-19 04:36:46,298 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 04:36:46,300 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 04:36:46,300 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 04:36:46,304 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 04:36:46,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:36:21" (1/3) ... [2024-11-19 04:36:46,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aea9edf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:36:46, skipping insertion in model container [2024-11-19 04:36:46,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:36:25" (2/3) ... [2024-11-19 04:36:46,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aea9edf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:36:46, skipping insertion in model container [2024-11-19 04:36:46,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:36:46" (3/3) ... [2024-11-19 04:36:46,307 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2024-11-19 04:36:46,324 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 04:36:46,324 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-19 04:36:46,448 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 04:36:46,457 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;@dd476cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 04:36:46,458 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-19 04:36:46,469 INFO L276 IsEmpty]: Start isEmpty. Operand has 1816 states, 1302 states have (on average 1.3279569892473118) internal successors, (1729), 1323 states have internal predecessors, (1729), 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) [2024-11-19 04:36:46,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-19 04:36:46,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:36:46,487 INFO L215 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] [2024-11-19 04:36:46,488 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-19 04:36:46,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:36:46,493 INFO L85 PathProgramCache]: Analyzing trace with hash -143429061, now seen corresponding path program 1 times [2024-11-19 04:36:46,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:36:46,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016867658] [2024-11-19 04:36:46,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:36:46,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:36:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:36:52,399 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-11-19 04:36:52,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:36:52,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016867658] [2024-11-19 04:36:52,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016867658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:36:52,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:36:52,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:36:52,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084456683] [2024-11-19 04:36:52,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:36:52,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:36:52,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:36:52,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:36:52,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:36:52,436 INFO L87 Difference]: Start difference. First operand has 1816 states, 1302 states have (on average 1.3279569892473118) internal successors, (1729), 1323 states have internal predecessors, (1729), 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) [2024-11-19 04:36:56,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:36:57,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:36:57,627 INFO L93 Difference]: Finished difference Result 5289 states and 7715 transitions. [2024-11-19 04:36:57,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:36:57,631 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 [2024-11-19 04:36:57,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:36:57,686 INFO L225 Difference]: With dead ends: 5289 [2024-11-19 04:36:57,687 INFO L226 Difference]: Without dead ends: 3486 [2024-11-19 04:36:57,709 INFO L431 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 [2024-11-19 04:36:57,715 INFO L432 NwaCegarLoop]: 2569 mSDtfsCounter, 2416 mSDsluCounter, 2476 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2416 SdHoareTripleChecker+Valid, 5045 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-19 04:36:57,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2416 Valid, 5045 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-19 04:36:57,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3486 states. [2024-11-19 04:36:58,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3486 to 3482. [2024-11-19 04:36:58,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3482 states, 2518 states have (on average 1.3077839555202542) internal successors, (3293), 2559 states have internal predecessors, (3293), 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) [2024-11-19 04:36:58,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3482 states to 3482 states and 4895 transitions. [2024-11-19 04:36:58,061 INFO L78 Accepts]: Start accepts. Automaton has 3482 states and 4895 transitions. Word has length 127 [2024-11-19 04:36:58,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:36:58,063 INFO L471 AbstractCegarLoop]: Abstraction has 3482 states and 4895 transitions. [2024-11-19 04:36:58,063 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) [2024-11-19 04:36:58,063 INFO L276 IsEmpty]: Start isEmpty. Operand 3482 states and 4895 transitions. [2024-11-19 04:36:58,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-19 04:36:58,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:36:58,071 INFO L215 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] [2024-11-19 04:36:58,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 04:36:58,072 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-19 04:36:58,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:36:58,072 INFO L85 PathProgramCache]: Analyzing trace with hash 327752767, now seen corresponding path program 1 times [2024-11-19 04:36:58,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:36:58,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216147096] [2024-11-19 04:36:58,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:36:58,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:37:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:37:03,221 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-11-19 04:37:03,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:37:03,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216147096] [2024-11-19 04:37:03,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216147096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:37:03,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:37:03,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:37:03,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856014225] [2024-11-19 04:37:03,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:37:03,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:37:03,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:37:03,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:37:03,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:37:03,228 INFO L87 Difference]: Start difference. First operand 3482 states and 4895 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) [2024-11-19 04:37:07,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:37:08,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:37:08,563 INFO L93 Difference]: Finished difference Result 10300 states and 14497 transitions. [2024-11-19 04:37:08,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:37:08,564 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 [2024-11-19 04:37:08,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:37:08,640 INFO L225 Difference]: With dead ends: 10300 [2024-11-19 04:37:08,640 INFO L226 Difference]: Without dead ends: 6841 [2024-11-19 04:37:08,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:37:08,667 INFO L432 NwaCegarLoop]: 2562 mSDtfsCounter, 2469 mSDsluCounter, 2472 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2469 SdHoareTripleChecker+Valid, 5034 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-19 04:37:08,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2469 Valid, 5034 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-19 04:37:08,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6841 states. [2024-11-19 04:37:08,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6841 to 6811. [2024-11-19 04:37:08,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6811 states, 4946 states have (on average 1.3107561665992722) internal successors, (6483), 5032 states have internal predecessors, (6483), 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) [2024-11-19 04:37:09,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6811 states to 6811 states and 9587 transitions. [2024-11-19 04:37:09,045 INFO L78 Accepts]: Start accepts. Automaton has 6811 states and 9587 transitions. Word has length 131 [2024-11-19 04:37:09,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:37:09,046 INFO L471 AbstractCegarLoop]: Abstraction has 6811 states and 9587 transitions. [2024-11-19 04:37:09,047 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) [2024-11-19 04:37:09,047 INFO L276 IsEmpty]: Start isEmpty. Operand 6811 states and 9587 transitions. [2024-11-19 04:37:09,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-19 04:37:09,049 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:37:09,053 INFO L215 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] [2024-11-19 04:37:09,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 04:37:09,053 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-19 04:37:09,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:37:09,054 INFO L85 PathProgramCache]: Analyzing trace with hash 2095404305, now seen corresponding path program 1 times [2024-11-19 04:37:09,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:37:09,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852868583] [2024-11-19 04:37:09,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:37:09,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:37:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:37:13,938 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-11-19 04:37:13,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:37:13,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852868583] [2024-11-19 04:37:13,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852868583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:37:13,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:37:13,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:37:13,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734445440] [2024-11-19 04:37:13,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:37:13,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:37:13,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:37:13,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:37:13,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:37:13,945 INFO L87 Difference]: Start difference. First operand 6811 states and 9587 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) [2024-11-19 04:37:17,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:37:19,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:37:19,021 INFO L93 Difference]: Finished difference Result 19553 states and 27439 transitions. [2024-11-19 04:37:19,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:37:19,022 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 [2024-11-19 04:37:19,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:37:19,131 INFO L225 Difference]: With dead ends: 19553 [2024-11-19 04:37:19,131 INFO L226 Difference]: Without dead ends: 12765 [2024-11-19 04:37:19,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:37:19,182 INFO L432 NwaCegarLoop]: 2603 mSDtfsCounter, 2215 mSDsluCounter, 2464 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2215 SdHoareTripleChecker+Valid, 5067 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-19 04:37:19,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2215 Valid, 5067 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-19 04:37:19,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12765 states. [2024-11-19 04:37:19,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12765 to 12731. [2024-11-19 04:37:19,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12731 states, 9220 states have (on average 1.304229934924078) internal successors, (12025), 9390 states have internal predecessors, (12025), 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) [2024-11-19 04:37:19,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12731 states to 12731 states and 17833 transitions. [2024-11-19 04:37:19,924 INFO L78 Accepts]: Start accepts. Automaton has 12731 states and 17833 transitions. Word has length 131 [2024-11-19 04:37:19,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:37:19,925 INFO L471 AbstractCegarLoop]: Abstraction has 12731 states and 17833 transitions. [2024-11-19 04:37:19,925 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) [2024-11-19 04:37:19,925 INFO L276 IsEmpty]: Start isEmpty. Operand 12731 states and 17833 transitions. [2024-11-19 04:37:19,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-19 04:37:19,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:37:19,930 INFO L215 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] [2024-11-19 04:37:19,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 04:37:19,930 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-19 04:37:19,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:37:19,931 INFO L85 PathProgramCache]: Analyzing trace with hash 201998410, now seen corresponding path program 1 times [2024-11-19 04:37:19,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:37:19,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239127187] [2024-11-19 04:37:19,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:37:19,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:37:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:37:24,845 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-11-19 04:37:24,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:37:24,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239127187] [2024-11-19 04:37:24,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239127187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:37:24,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:37:24,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:37:24,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900747081] [2024-11-19 04:37:24,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:37:24,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:37:24,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:37:24,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:37:24,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:37:24,848 INFO L87 Difference]: Start difference. First operand 12731 states and 17833 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) [2024-11-19 04:37:28,896 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 [] [2024-11-19 04:37:30,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:37:30,892 INFO L93 Difference]: Finished difference Result 25003 states and 35007 transitions. [2024-11-19 04:37:30,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:37:30,893 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 [2024-11-19 04:37:30,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:37:31,015 INFO L225 Difference]: With dead ends: 25003 [2024-11-19 04:37:31,015 INFO L226 Difference]: Without dead ends: 12295 [2024-11-19 04:37:31,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:37:31,089 INFO L432 NwaCegarLoop]: 2877 mSDtfsCounter, 1733 mSDsluCounter, 2465 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1733 SdHoareTripleChecker+Valid, 5342 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-11-19 04:37:31,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1733 Valid, 5342 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 76 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2024-11-19 04:37:31,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12295 states. [2024-11-19 04:37:31,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12295 to 12263. [2024-11-19 04:37:31,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12263 states, 9033 states have (on average 1.3120779364552198) internal successors, (11852), 9192 states have internal predecessors, (11852), 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) [2024-11-19 04:37:31,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12263 states to 12263 states and 17069 transitions. [2024-11-19 04:37:31,605 INFO L78 Accepts]: Start accepts. Automaton has 12263 states and 17069 transitions. Word has length 137 [2024-11-19 04:37:31,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:37:31,606 INFO L471 AbstractCegarLoop]: Abstraction has 12263 states and 17069 transitions. [2024-11-19 04:37:31,607 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) [2024-11-19 04:37:31,607 INFO L276 IsEmpty]: Start isEmpty. Operand 12263 states and 17069 transitions. [2024-11-19 04:37:31,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-19 04:37:31,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:37:31,610 INFO L215 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] [2024-11-19 04:37:31,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 04:37:31,615 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-19 04:37:31,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:37:31,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1593141795, now seen corresponding path program 1 times [2024-11-19 04:37:31,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:37:31,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435652575] [2024-11-19 04:37:31,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:37:31,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:37:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat