./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-tulip.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b56b38-59f2-4754-9704-410df5007610/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b56b38-59f2-4754-9704-410df5007610/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b56b38-59f2-4754-9704-410df5007610/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b56b38-59f2-4754-9704-410df5007610/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b56b38-59f2-4754-9704-410df5007610/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b56b38-59f2-4754-9704-410df5007610/bin/utaipan-verify-NcY6lQBIFX --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 435b3fa8073a80dcd9b8b69819909b6031007c35574ec244127e6237bed3be57 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:59:34,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:59:34,744 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b56b38-59f2-4754-9704-410df5007610/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:59:34,749 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:59:34,750 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:59:34,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:59:34,793 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:59:34,794 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:59:34,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:59:34,795 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:59:34,796 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:59:34,796 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:59:34,797 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:59:34,798 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:59:34,798 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:59:34,799 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:59:34,799 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:59:34,800 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:59:34,801 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:59:34,801 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:59:34,802 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:59:34,810 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:59:34,811 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:59:34,812 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:59:34,812 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:59:34,812 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:59:34,813 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:59:34,813 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:59:34,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:59:34,820 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:59:34,821 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:59:34,821 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:59:34,822 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:59:34,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:59:34,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:59:34,823 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:59:34,824 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:59:34,824 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:59:34,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:59:34,825 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:59:34,826 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:59:34,826 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:59:34,827 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b56b38-59f2-4754-9704-410df5007610/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b56b38-59f2-4754-9704-410df5007610/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 435b3fa8073a80dcd9b8b69819909b6031007c35574ec244127e6237bed3be57 [2023-11-12 00:59:35,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:59:35,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:59:35,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:59:35,117 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:59:35,117 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:59:35,119 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b56b38-59f2-4754-9704-410df5007610/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2023-11-12 00:59:38,336 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:59:39,272 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:59:39,274 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b56b38-59f2-4754-9704-410df5007610/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2023-11-12 00:59:39,344 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b56b38-59f2-4754-9704-410df5007610/bin/utaipan-verify-NcY6lQBIFX/data/a77bf251b/126f97242a334fca80281f3013eb68fe/FLAGa6f5666c7 [2023-11-12 00:59:39,362 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b56b38-59f2-4754-9704-410df5007610/bin/utaipan-verify-NcY6lQBIFX/data/a77bf251b/126f97242a334fca80281f3013eb68fe [2023-11-12 00:59:39,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:59:39,371 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:59:39,375 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:59:39,375 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:59:39,381 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:59:39,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:39" (1/1) ... [2023-11-12 00:59:39,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@290e2e80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:39, skipping insertion in model container [2023-11-12 00:59:39,384 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:39" (1/1) ... [2023-11-12 00:59:39,641 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:59:44,486 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b56b38-59f2-4754-9704-410df5007610/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491234,491247] [2023-11-12 00:59:44,491 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b56b38-59f2-4754-9704-410df5007610/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491403,491416] [2023-11-12 00:59:44,491 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b56b38-59f2-4754-9704-410df5007610/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491570,491583] [2023-11-12 00:59:44,492 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b56b38-59f2-4754-9704-410df5007610/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491738,491751] [2023-11-12 00:59:44,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:59:44,575 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:59:44,763 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)); [5801] [2023-11-12 00:59:44,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5808] [2023-11-12 00:59:44,769 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)); [5910-5911] [2023-11-12 00:59:44,771 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)); [5944-5945] [2023-11-12 00:59:44,772 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" (103), "i" (12UL)); [5982-5983] [2023-11-12 00:59:44,774 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" (115), "i" (12UL)); [6019-6020] [2023-11-12 00:59:44,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6277] [2023-11-12 00:59:44,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6304] [2023-11-12 00:59:44,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7257] [2023-11-12 00:59:44,822 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7375] [2023-11-12 00:59:44,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7494] [2023-11-12 00:59:44,858 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8510] [2023-11-12 00:59:44,879 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"); [9066] [2023-11-12 00:59:44,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [9073] [2023-11-12 00:59:44,881 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 *)"/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)); [9119-9120] [2023-11-12 00:59:44,881 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"); [9125-9127] [2023-11-12 00:59:44,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [9388-9389] [2023-11-12 00:59:44,888 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9395] [2023-11-12 00:59:44,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9658] [2023-11-12 00:59:44,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10251] [2023-11-12 00:59:44,991 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10511] [2023-11-12 00:59:45,097 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [14812] [2023-11-12 00:59:45,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [15437] [2023-11-12 00:59:45,134 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [15914] [2023-11-12 00:59:45,229 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b56b38-59f2-4754-9704-410df5007610/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491234,491247] [2023-11-12 00:59:45,230 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b56b38-59f2-4754-9704-410df5007610/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491403,491416] [2023-11-12 00:59:45,231 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b56b38-59f2-4754-9704-410df5007610/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491570,491583] [2023-11-12 00:59:45,232 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b56b38-59f2-4754-9704-410df5007610/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491738,491751] [2023-11-12 00:59:45,247 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:59:45,741 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:59:45,749 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:59:45,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:45 WrapperNode [2023-11-12 00:59:45,750 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:59:45,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:59:45,752 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:59:45,752 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:59:45,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:45" (1/1) ... [2023-11-12 00:59:45,962 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:45" (1/1) ... [2023-11-12 00:59:46,422 INFO L138 Inliner]: procedures = 567, calls = 5462, calls flagged for inlining = 290, calls inlined = 262, statements flattened = 14154 [2023-11-12 00:59:46,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:59:46,423 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:59:46,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:59:46,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:59:46,433 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:45" (1/1) ... [2023-11-12 00:59:46,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:45" (1/1) ... [2023-11-12 00:59:46,534 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:45" (1/1) ... [2023-11-12 00:59:46,535 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:45" (1/1) ... [2023-11-12 00:59:46,850 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:45" (1/1) ... [2023-11-12 00:59:46,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:45" (1/1) ... [2023-11-12 00:59:46,960 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:45" (1/1) ... [2023-11-12 00:59:47,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:45" (1/1) ... [2023-11-12 00:59:47,145 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:59:47,146 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:59:47,146 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:59:47,146 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:59:47,147 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:45" (1/1) ... [2023-11-12 00:59:47,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:59:47,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b56b38-59f2-4754-9704-410df5007610/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:59:47,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b56b38-59f2-4754-9704-410df5007610/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:59:47,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9b56b38-59f2-4754-9704-410df5007610/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:59:47,366 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2023-11-12 00:59:47,367 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2023-11-12 00:59:47,367 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_media_task [2023-11-12 00:59:47,367 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_media_task [2023-11-12 00:59:47,367 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 00:59:47,367 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 00:59:47,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:59:47,368 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:59:47,368 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-12 00:59:47,368 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-12 00:59:47,368 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 00:59:47,369 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 00:59:47,369 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2023-11-12 00:59:47,369 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2023-11-12 00:59:47,369 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2023-11-12 00:59:47,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2023-11-12 00:59:47,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:59:47,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:59:47,370 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 00:59:47,370 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 00:59:47,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:59:47,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:59:47,371 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 00:59:47,371 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 00:59:47,371 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-12 00:59:47,371 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-12 00:59:47,371 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 00:59:47,387 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 00:59:47,387 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-12 00:59:47,388 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-12 00:59:47,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2023-11-12 00:59:47,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2023-11-12 00:59:47,389 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-12 00:59:47,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-12 00:59:47,390 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-12 00:59:47,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-12 00:59:47,390 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-12 00:59:47,391 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-12 00:59:47,391 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 00:59:47,391 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 00:59:47,391 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-12 00:59:47,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-12 00:59:47,392 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 00:59:47,392 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 00:59:47,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 00:59:47,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:59:47,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:59:47,392 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2023-11-12 00:59:47,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2023-11-12 00:59:47,392 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 00:59:47,393 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 00:59:47,393 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-12 00:59:47,393 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-12 00:59:47,393 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 00:59:47,393 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 00:59:47,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:59:47,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:59:47,394 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 00:59:47,394 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 00:59:47,394 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-12 00:59:47,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-12 00:59:47,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:59:47,394 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2023-11-12 00:59:47,394 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2023-11-12 00:59:47,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_61 [2023-11-12 00:59:47,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_61 [2023-11-12 00:59:47,395 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_resume [2023-11-12 00:59:47,395 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_resume [2023-11-12 00:59:47,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-12 00:59:47,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-12 00:59:47,395 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2023-11-12 00:59:47,395 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2023-11-12 00:59:47,396 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 00:59:47,396 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 00:59:47,396 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2023-11-12 00:59:47,396 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2023-11-12 00:59:47,396 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2023-11-12 00:59:47,396 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2023-11-12 00:59:47,396 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_media_task [2023-11-12 00:59:47,397 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_media_task [2023-11-12 00:59:47,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:59:47,397 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___5 [2023-11-12 00:59:47,397 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___5 [2023-11-12 00:59:47,397 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2023-11-12 00:59:47,397 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2023-11-12 00:59:47,397 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:59:47,397 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:59:47,398 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 00:59:47,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 00:59:47,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:59:47,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:59:47,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:59:47,402 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-12 00:59:47,402 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-12 00:59:47,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:59:47,402 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-12 00:59:47,402 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-12 00:59:47,403 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 00:59:47,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 00:59:47,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:59:47,403 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:59:47,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 00:59:47,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 00:59:47,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 00:59:47,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 00:59:47,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:59:47,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:59:47,406 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_timer [2023-11-12 00:59:47,406 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_timer [2023-11-12 00:59:47,407 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 00:59:47,407 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 00:59:47,407 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 00:59:47,407 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 00:59:47,407 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2023-11-12 00:59:47,407 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2023-11-12 00:59:47,408 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2023-11-12 00:59:47,409 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2023-11-12 00:59:47,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 00:59:47,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 00:59:47,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:59:47,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:59:47,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:59:47,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:59:47,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:59:47,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-12 00:59:47,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-12 00:59:47,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-12 00:59:47,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-12 00:59:47,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:59:47,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:59:47,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:59:47,418 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:59:47,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:59:47,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:59:47,419 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2023-11-12 00:59:47,419 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2023-11-12 00:59:47,419 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-12 00:59:47,420 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-12 00:59:47,420 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-11-12 00:59:47,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-11-12 00:59:47,420 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:59:47,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:59:47,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tulip_private [2023-11-12 00:59:47,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tulip_private [2023-11-12 00:59:47,421 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 00:59:47,421 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 00:59:47,421 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-12 00:59:47,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-12 00:59:47,422 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:59:47,422 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:59:47,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 00:59:47,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 00:59:47,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mii_lock_of_tulip_private [2023-11-12 00:59:47,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mii_lock_of_tulip_private [2023-11-12 00:59:47,423 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 00:59:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 00:59:47,423 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-12 00:59:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-12 00:59:47,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tulip_private [2023-11-12 00:59:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tulip_private [2023-11-12 00:59:47,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:59:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:59:47,424 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_close [2023-11-12 00:59:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_close [2023-11-12 00:59:47,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:59:47,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:59:47,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:59:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:59:47,425 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2023-11-12 00:59:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2023-11-12 00:59:47,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:59:47,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:59:47,426 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-12 00:59:47,426 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-12 00:59:47,426 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2023-11-12 00:59:47,426 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2023-11-12 00:59:47,427 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-12 00:59:47,427 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-12 00:59:47,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2023-11-12 00:59:47,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2023-11-12 00:59:47,427 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2023-11-12 00:59:47,428 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2023-11-12 00:59:47,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 00:59:47,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 00:59:47,429 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2023-11-12 00:59:47,429 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2023-11-12 00:59:47,429 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2023-11-12 00:59:47,434 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2023-11-12 00:59:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-12 00:59:47,434 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-12 00:59:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2023-11-12 00:59:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2023-11-12 00:59:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2023-11-12 00:59:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2023-11-12 00:59:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:59:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:59:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 00:59:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 00:59:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure comet_timer [2023-11-12 00:59:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure comet_timer [2023-11-12 00:59:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2023-11-12 00:59:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2023-11-12 00:59:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 00:59:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 00:59:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:59:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2023-11-12 00:59:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2023-11-12 00:59:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 00:59:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 00:59:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:59:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-12 00:59:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-12 00:59:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-12 00:59:47,439 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-12 00:59:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2023-11-12 00:59:47,439 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2023-11-12 00:59:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:59:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:59:47,440 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:59:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2023-11-12 00:59:47,440 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2023-11-12 00:59:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2023-11-12 00:59:47,440 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2023-11-12 00:59:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-12 00:59:47,441 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-12 00:59:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2023-11-12 00:59:47,441 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2023-11-12 00:59:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:59:47,441 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:59:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-12 00:59:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-12 00:59:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure mxic_timer [2023-11-12 00:59:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure mxic_timer [2023-11-12 00:59:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:59:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:59:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-12 00:59:47,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-12 00:59:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2023-11-12 00:59:47,443 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2023-11-12 00:59:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-12 00:59:47,443 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-12 00:59:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2023-11-12 00:59:47,444 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2023-11-12 00:59:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_timer [2023-11-12 00:59:47,444 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_timer [2023-11-12 00:59:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 00:59:47,450 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 00:59:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 00:59:47,450 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 00:59:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-12 00:59:47,451 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-12 00:59:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_62 [2023-11-12 00:59:47,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_62 [2023-11-12 00:59:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:59:47,451 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:59:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:59:47,459 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:59:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:59:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2023-11-12 00:59:47,460 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2023-11-12 00:59:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:59:47,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:59:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61___0 [2023-11-12 00:59:47,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61___0 [2023-11-12 00:59:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2023-11-12 00:59:47,461 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2023-11-12 00:59:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2023-11-12 00:59:47,461 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2023-11-12 00:59:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-12 00:59:47,461 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-12 00:59:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_open [2023-11-12 00:59:47,461 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_open [2023-11-12 00:59:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-12 00:59:47,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-12 00:59:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:59:47,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:59:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-12 00:59:47,462 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-12 00:59:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-12 00:59:47,463 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-12 00:59:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-12 00:59:47,463 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-12 00:59:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2023-11-12 00:59:47,463 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2023-11-12 00:59:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-12 00:59:47,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-12 00:59:47,464 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2023-11-12 00:59:47,464 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2023-11-12 00:59:47,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:59:47,464 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_timer [2023-11-12 00:59:47,464 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_timer [2023-11-12 00:59:47,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:59:47,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:59:48,868 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:59:48,874 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:59:50,424 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 01:00:02,256 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 01:00:02,626 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:00:13,216 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:00:13,216 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 01:00:13,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:00:13 BoogieIcfgContainer [2023-11-12 01:00:13,228 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:00:13,231 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:00:13,231 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:00:13,235 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:00:13,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:59:39" (1/3) ... [2023-11-12 01:00:13,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4b27dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:00:13, skipping insertion in model container [2023-11-12 01:00:13,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:45" (2/3) ... [2023-11-12 01:00:13,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4b27dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:00:13, skipping insertion in model container [2023-11-12 01:00:13,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:00:13" (3/3) ... [2023-11-12 01:00:13,238 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2023-11-12 01:00:13,258 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:00:13,258 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-12 01:00:13,389 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:00:13,400 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@33d952f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:00:13,400 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-12 01:00:13,416 INFO L276 IsEmpty]: Start isEmpty. Operand has 2963 states, 1769 states have (on average 1.3431317128321085) internal successors, (2376), 1866 states have internal predecessors, (2376), 1055 states have call successors, (1055), 138 states have call predecessors, (1055), 137 states have return successors, (1048), 1012 states have call predecessors, (1048), 1048 states have call successors, (1048) [2023-11-12 01:00:13,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-12 01:00:13,451 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:00:13,452 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:00:13,453 INFO L420 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)] === [2023-11-12 01:00:13,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:00:13,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1235939753, now seen corresponding path program 1 times [2023-11-12 01:00:13,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:00:13,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857347411] [2023-11-12 01:00:13,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:13,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:00:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:00:15,088 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-12 01:00:15,088 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:00:15,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857347411] [2023-11-12 01:00:15,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857347411] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:00:15,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:00:15,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:00:15,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669870782] [2023-11-12 01:00:15,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:00:15,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:00:15,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:00:15,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:00:15,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:00:15,146 INFO L87 Difference]: Start difference. First operand has 2963 states, 1769 states have (on average 1.3431317128321085) internal successors, (2376), 1866 states have internal predecessors, (2376), 1055 states have call successors, (1055), 138 states have call predecessors, (1055), 137 states have return successors, (1048), 1012 states have call predecessors, (1048), 1048 states have call successors, (1048) Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16)