./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 0e0057cc 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_11266ee6-c4ee-4d27-8a3d-cfecbfb49834/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11266ee6-c4ee-4d27-8a3d-cfecbfb49834/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11266ee6-c4ee-4d27-8a3d-cfecbfb49834/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11266ee6-c4ee-4d27-8a3d-cfecbfb49834/bin/utaipan-verify-SwPr7d2a91/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_11266ee6-c4ee-4d27-8a3d-cfecbfb49834/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11266ee6-c4ee-4d27-8a3d-cfecbfb49834/bin/utaipan-verify-SwPr7d2a91 --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 0.2.4-dev-0e0057c [2023-11-24 23:57:49,523 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:57:49,642 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11266ee6-c4ee-4d27-8a3d-cfecbfb49834/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:57:49,646 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:57:49,647 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:57:49,676 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:57:49,677 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:57:49,678 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:57:49,679 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:57:49,684 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:57:49,685 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:57:49,686 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:57:49,687 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:57:49,688 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:57:49,689 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:57:49,689 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:57:49,690 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:57:49,690 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:57:49,691 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:57:49,691 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:57:49,692 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:57:49,693 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:57:49,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:57:49,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:57:49,695 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:57:49,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:57:49,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:57:49,696 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:57:49,696 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:57:49,696 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:57:49,698 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:57:49,698 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:57:49,698 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:57:49,698 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:57:49,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:49,699 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:57:49,699 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:57:49,699 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:57:49,700 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:57:49,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:57:49,701 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:57:49,701 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:57:49,701 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:57:49,702 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:57:49,702 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_11266ee6-c4ee-4d27-8a3d-cfecbfb49834/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11266ee6-c4ee-4d27-8a3d-cfecbfb49834/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 435b3fa8073a80dcd9b8b69819909b6031007c35574ec244127e6237bed3be57 [2023-11-24 23:57:49,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:57:50,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:57:50,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:57:50,014 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:57:50,014 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:57:50,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11266ee6-c4ee-4d27-8a3d-cfecbfb49834/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2023-11-24 23:57:53,301 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:57:54,046 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:57:54,047 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11266ee6-c4ee-4d27-8a3d-cfecbfb49834/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2023-11-24 23:57:54,119 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11266ee6-c4ee-4d27-8a3d-cfecbfb49834/bin/utaipan-verify-SwPr7d2a91/data/2d392553c/d1f7817ffa35485189581ad12c2a35b2/FLAG2cbb4a0c3 [2023-11-24 23:57:54,133 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11266ee6-c4ee-4d27-8a3d-cfecbfb49834/bin/utaipan-verify-SwPr7d2a91/data/2d392553c/d1f7817ffa35485189581ad12c2a35b2 [2023-11-24 23:57:54,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:57:54,137 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:57:54,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:54,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:57:54,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:57:54,145 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:54" (1/1) ... [2023-11-24 23:57:54,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73be2a08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:54, skipping insertion in model container [2023-11-24 23:57:54,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:54" (1/1) ... [2023-11-24 23:57:54,410 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:57:59,434 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_11266ee6-c4ee-4d27-8a3d-cfecbfb49834/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491234,491247] [2023-11-24 23:57:59,440 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_11266ee6-c4ee-4d27-8a3d-cfecbfb49834/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491403,491416] [2023-11-24 23:57:59,442 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_11266ee6-c4ee-4d27-8a3d-cfecbfb49834/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491570,491583] [2023-11-24 23:57:59,443 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_11266ee6-c4ee-4d27-8a3d-cfecbfb49834/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491738,491751] [2023-11-24 23:57:59,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:59,623 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:57:59,774 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] [2023-11-24 23:57:59,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5808] [2023-11-24 23:57:59,781 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] [2023-11-24 23:57:59,783 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] [2023-11-24 23:57:59,785 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] [2023-11-24 23:57:59,786 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] [2023-11-24 23:57:59,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6277] [2023-11-24 23:57:59,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6304] [2023-11-24 23:57:59,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7257] [2023-11-24 23:57:59,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7375] [2023-11-24 23:57:59,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7494] [2023-11-24 23:57:59,867 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8510] [2023-11-24 23:57:59,887 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] [2023-11-24 23:57:59,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [9073] [2023-11-24 23:57:59,888 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] [2023-11-24 23:57:59,889 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] [2023-11-24 23:57:59,897 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] [2023-11-24 23:57:59,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9395] [2023-11-24 23:57:59,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9658] [2023-11-24 23:57:59,934 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10251] [2023-11-24 23:57:59,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10511] [2023-11-24 23:58:00,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [14812] [2023-11-24 23:58:00,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [15437] [2023-11-24 23:58:00,140 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [15914] [2023-11-24 23:58:00,180 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_11266ee6-c4ee-4d27-8a3d-cfecbfb49834/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491234,491247] [2023-11-24 23:58:00,181 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_11266ee6-c4ee-4d27-8a3d-cfecbfb49834/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491403,491416] [2023-11-24 23:58:00,182 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_11266ee6-c4ee-4d27-8a3d-cfecbfb49834/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491570,491583] [2023-11-24 23:58:00,182 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_11266ee6-c4ee-4d27-8a3d-cfecbfb49834/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491738,491751] [2023-11-24 23:58:00,194 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:58:00,464 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:58:00,472 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:58:00,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:00 WrapperNode [2023-11-24 23:58:00,473 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:58:00,475 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:58:00,475 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:58:00,475 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:58:00,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:00" (1/1) ... [2023-11-24 23:58:00,644 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:00" (1/1) ... [2023-11-24 23:58:01,093 INFO L138 Inliner]: procedures = 567, calls = 5462, calls flagged for inlining = 290, calls inlined = 262, statements flattened = 14354 [2023-11-24 23:58:01,093 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:58:01,094 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:58:01,094 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:58:01,094 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:58:01,104 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:00" (1/1) ... [2023-11-24 23:58:01,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:00" (1/1) ... [2023-11-24 23:58:01,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:00" (1/1) ... [2023-11-24 23:58:01,181 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:00" (1/1) ... [2023-11-24 23:58:01,462 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:00" (1/1) ... [2023-11-24 23:58:01,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:00" (1/1) ... [2023-11-24 23:58:01,762 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:00" (1/1) ... [2023-11-24 23:58:01,806 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:00" (1/1) ... [2023-11-24 23:58:01,903 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:58:01,905 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:58:01,905 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:58:01,906 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:58:01,907 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:00" (1/1) ... [2023-11-24 23:58:01,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:58:01,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11266ee6-c4ee-4d27-8a3d-cfecbfb49834/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:58:01,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11266ee6-c4ee-4d27-8a3d-cfecbfb49834/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:58:01,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11266ee6-c4ee-4d27-8a3d-cfecbfb49834/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:58:02,034 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2023-11-24 23:58:02,034 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2023-11-24 23:58:02,034 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_media_task [2023-11-24 23:58:02,034 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_media_task [2023-11-24 23:58:02,034 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-24 23:58:02,035 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-24 23:58:02,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-24 23:58:02,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-24 23:58:02,035 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-24 23:58:02,035 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-24 23:58:02,035 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-24 23:58:02,035 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-24 23:58:02,036 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2023-11-24 23:58:02,036 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2023-11-24 23:58:02,036 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2023-11-24 23:58:02,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2023-11-24 23:58:02,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:58:02,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:58:02,037 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-24 23:58:02,037 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-24 23:58:02,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-24 23:58:02,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-24 23:58:02,037 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-24 23:58:02,037 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-24 23:58:02,038 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-24 23:58:02,038 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-24 23:58:02,038 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-24 23:58:02,038 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-24 23:58:02,038 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-24 23:58:02,039 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-24 23:58:02,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2023-11-24 23:58:02,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2023-11-24 23:58:02,040 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-24 23:58:02,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-24 23:58:02,041 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-24 23:58:02,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-24 23:58:02,041 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-24 23:58:02,041 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-24 23:58:02,041 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-24 23:58:02,042 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-24 23:58:02,042 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-24 23:58:02,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-24 23:58:02,043 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-24 23:58:02,043 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-24 23:58:02,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-24 23:58:02,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-24 23:58:02,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-24 23:58:02,044 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2023-11-24 23:58:02,044 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2023-11-24 23:58:02,044 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-24 23:58:02,044 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-24 23:58:02,044 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-24 23:58:02,044 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-24 23:58:02,045 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-24 23:58:02,045 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-24 23:58:02,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-24 23:58:02,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-24 23:58:02,046 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-24 23:58:02,046 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-24 23:58:02,046 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-24 23:58:02,047 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-24 23:58:02,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:58:02,047 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2023-11-24 23:58:02,047 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2023-11-24 23:58:02,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_61 [2023-11-24 23:58:02,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_61 [2023-11-24 23:58:02,048 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_resume [2023-11-24 23:58:02,048 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_resume [2023-11-24 23:58:02,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-24 23:58:02,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-24 23:58:02,048 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2023-11-24 23:58:02,048 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2023-11-24 23:58:02,048 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-24 23:58:02,049 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-24 23:58:02,049 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2023-11-24 23:58:02,049 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2023-11-24 23:58:02,049 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2023-11-24 23:58:02,049 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2023-11-24 23:58:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_media_task [2023-11-24 23:58:02,050 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_media_task [2023-11-24 23:58:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:58:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___5 [2023-11-24 23:58:02,051 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___5 [2023-11-24 23:58:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2023-11-24 23:58:02,051 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2023-11-24 23:58:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-24 23:58:02,052 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-24 23:58:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-24 23:58:02,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-24 23:58:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:58:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-24 23:58:02,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-24 23:58:02,053 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-24 23:58:02,053 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-24 23:58:02,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:58:02,054 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-24 23:58:02,054 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-24 23:58:02,054 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-24 23:58:02,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-24 23:58:02,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-24 23:58:02,054 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-24 23:58:02,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-24 23:58:02,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-24 23:58:02,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-24 23:58:02,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-24 23:58:02,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-24 23:58:02,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-24 23:58:02,057 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_timer [2023-11-24 23:58:02,057 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_timer [2023-11-24 23:58:02,057 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-24 23:58:02,057 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-24 23:58:02,057 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-24 23:58:02,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-24 23:58:02,058 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2023-11-24 23:58:02,058 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2023-11-24 23:58:02,059 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2023-11-24 23:58:02,060 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2023-11-24 23:58:02,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-24 23:58:02,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-24 23:58:02,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:58:02,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-24 23:58:02,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-24 23:58:02,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-24 23:58:02,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-24 23:58:02,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-24 23:58:02,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-24 23:58:02,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-24 23:58:02,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-24 23:58:02,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:58:02,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-24 23:58:02,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-24 23:58:02,073 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-24 23:58:02,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-24 23:58:02,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:58:02,073 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2023-11-24 23:58:02,073 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2023-11-24 23:58:02,073 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-24 23:58:02,073 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-24 23:58:02,074 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-11-24 23:58:02,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-11-24 23:58:02,074 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:58:02,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:58:02,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tulip_private [2023-11-24 23:58:02,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tulip_private [2023-11-24 23:58:02,074 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-24 23:58:02,074 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-24 23:58:02,075 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-24 23:58:02,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-24 23:58:02,075 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-24 23:58:02,075 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-24 23:58:02,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-24 23:58:02,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-24 23:58:02,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mii_lock_of_tulip_private [2023-11-24 23:58:02,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mii_lock_of_tulip_private [2023-11-24 23:58:02,076 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-24 23:58:02,076 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-24 23:58:02,077 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-24 23:58:02,077 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-24 23:58:02,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tulip_private [2023-11-24 23:58:02,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tulip_private [2023-11-24 23:58:02,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:58:02,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:58:02,077 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_close [2023-11-24 23:58:02,077 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_close [2023-11-24 23:58:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:58:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:58:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:58:02,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:58:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2023-11-24 23:58:02,078 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2023-11-24 23:58:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-24 23:58:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-24 23:58:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-24 23:58:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-24 23:58:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2023-11-24 23:58:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2023-11-24 23:58:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-24 23:58:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-24 23:58:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2023-11-24 23:58:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2023-11-24 23:58:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2023-11-24 23:58:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2023-11-24 23:58:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-24 23:58:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-24 23:58:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2023-11-24 23:58:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2023-11-24 23:58:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2023-11-24 23:58:02,081 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2023-11-24 23:58:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-24 23:58:02,081 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-24 23:58:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2023-11-24 23:58:02,081 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2023-11-24 23:58:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2023-11-24 23:58:02,082 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2023-11-24 23:58:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 23:58:02,082 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 23:58:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-24 23:58:02,082 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-24 23:58:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure comet_timer [2023-11-24 23:58:02,082 INFO L138 BoogieDeclarations]: Found implementation of procedure comet_timer [2023-11-24 23:58:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2023-11-24 23:58:02,083 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2023-11-24 23:58:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-24 23:58:02,083 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-24 23:58:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:58:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2023-11-24 23:58:02,083 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2023-11-24 23:58:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-24 23:58:02,084 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-24 23:58:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:58:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-24 23:58:02,084 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-24 23:58:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-24 23:58:02,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-24 23:58:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2023-11-24 23:58:02,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2023-11-24 23:58:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:58:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 23:58:02,085 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 23:58:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2023-11-24 23:58:02,085 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2023-11-24 23:58:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2023-11-24 23:58:02,085 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2023-11-24 23:58:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-24 23:58:02,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-24 23:58:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2023-11-24 23:58:02,086 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2023-11-24 23:58:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-24 23:58:02,086 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-24 23:58:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-24 23:58:02,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-24 23:58:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure mxic_timer [2023-11-24 23:58:02,087 INFO L138 BoogieDeclarations]: Found implementation of procedure mxic_timer [2023-11-24 23:58:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-24 23:58:02,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-24 23:58:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-24 23:58:02,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-24 23:58:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2023-11-24 23:58:02,088 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2023-11-24 23:58:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-24 23:58:02,088 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-24 23:58:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2023-11-24 23:58:02,088 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2023-11-24 23:58:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_timer [2023-11-24 23:58:02,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_timer [2023-11-24 23:58:02,093 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-24 23:58:02,093 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-24 23:58:02,093 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-24 23:58:02,094 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-24 23:58:02,094 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-24 23:58:02,094 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-24 23:58:02,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_62 [2023-11-24 23:58:02,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_62 [2023-11-24 23:58:02,095 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-24 23:58:02,096 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-24 23:58:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-24 23:58:02,096 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-24 23:58:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:58:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2023-11-24 23:58:02,096 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2023-11-24 23:58:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:58:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:58:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61___0 [2023-11-24 23:58:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61___0 [2023-11-24 23:58:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2023-11-24 23:58:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2023-11-24 23:58:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2023-11-24 23:58:02,098 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2023-11-24 23:58:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-24 23:58:02,098 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-24 23:58:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_open [2023-11-24 23:58:02,098 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_open [2023-11-24 23:58:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-24 23:58:02,098 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-24 23:58:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-24 23:58:02,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-24 23:58:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-24 23:58:02,099 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-24 23:58:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-24 23:58:02,099 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-24 23:58:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-24 23:58:02,099 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-24 23:58:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2023-11-24 23:58:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2023-11-24 23:58:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-24 23:58:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-24 23:58:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2023-11-24 23:58:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2023-11-24 23:58:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:58:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_timer [2023-11-24 23:58:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_timer [2023-11-24 23:58:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-24 23:58:02,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-24 23:58:03,311 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:58:03,316 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:58:04,802 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 23:58:15,890 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-24 23:58:16,139 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:58:26,231 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:58:26,231 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:58:26,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:26 BoogieIcfgContainer [2023-11-24 23:58:26,236 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:58:26,241 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:58:26,241 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:58:26,245 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:58:26,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:57:54" (1/3) ... [2023-11-24 23:58:26,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76a5feab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:58:26, skipping insertion in model container [2023-11-24 23:58:26,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:00" (2/3) ... [2023-11-24 23:58:26,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76a5feab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:58:26, skipping insertion in model container [2023-11-24 23:58:26,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:26" (3/3) ... [2023-11-24 23:58:26,249 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2023-11-24 23:58:26,275 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:58:26,275 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-24 23:58:26,416 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:58:26,426 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;@6d119c1d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:58:26,426 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-24 23:58:26,445 INFO L276 IsEmpty]: Start isEmpty. Operand has 2969 states, 1775 states have (on average 1.3419718309859154) internal successors, (2382), 1870 states have internal predecessors, (2382), 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) [2023-11-24 23:58:26,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-24 23:58:26,489 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:26,491 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] [2023-11-24 23:58:26,492 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)] === [2023-11-24 23:58:26,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:26,500 INFO L85 PathProgramCache]: Analyzing trace with hash 15110075, now seen corresponding path program 1 times [2023-11-24 23:58:26,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:58:26,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141958288] [2023-11-24 23:58:26,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:26,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:58:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:28,206 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-24 23:58:28,207 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:58:28,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141958288] [2023-11-24 23:58:28,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141958288] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:58:28,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:58:28,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:58:28,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414847937] [2023-11-24 23:58:28,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:58:28,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:58:28,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:58:28,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:58:28,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:58:28,273 INFO L87 Difference]: Start difference. First operand has 2969 states, 1775 states have (on average 1.3419718309859154) internal successors, (2382), 1870 states have internal predecessors, (2382), 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) [2023-11-24 23:58:34,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []