./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-3com-3c59x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1583b1-fab2-4fc7-9f97-b42bf079fc20/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1583b1-fab2-4fc7-9f97-b42bf079fc20/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1583b1-fab2-4fc7-9f97-b42bf079fc20/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1583b1-fab2-4fc7-9f97-b42bf079fc20/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1583b1-fab2-4fc7-9f97-b42bf079fc20/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1583b1-fab2-4fc7-9f97-b42bf079fc20/bin/utaipan-verify-mE87zJ7Ire --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 eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:28:28,071 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:28:28,181 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1583b1-fab2-4fc7-9f97-b42bf079fc20/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:28:28,189 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:28:28,190 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:28:28,235 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:28:28,236 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:28:28,237 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:28:28,238 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:28:28,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:28:28,244 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:28:28,245 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:28:28,246 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:28:28,247 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:28:28,248 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:28:28,248 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:28:28,249 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:28:28,249 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:28:28,250 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:28:28,250 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:28:28,251 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:28:28,251 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:28:28,253 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:28:28,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:28:28,254 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:28:28,254 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:28:28,254 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:28:28,255 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:28:28,255 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:28:28,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:28:28,257 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:28:28,257 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:28:28,258 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:28:28,258 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:28:28,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:28:28,259 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:28:28,259 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:28:28,259 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:28:28,259 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:28:28,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:28:28,260 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:28:28,260 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:28:28,261 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:28:28,261 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:28:28,262 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_cd1583b1-fab2-4fc7-9f97-b42bf079fc20/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1583b1-fab2-4fc7-9f97-b42bf079fc20/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c [2023-11-23 21:28:28,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:28:28,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:28:28,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:28:28,634 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:28:28,636 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:28:28,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1583b1-fab2-4fc7-9f97-b42bf079fc20/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2023-11-23 21:28:31,963 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:28:32,727 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:28:32,727 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1583b1-fab2-4fc7-9f97-b42bf079fc20/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2023-11-23 21:28:32,799 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1583b1-fab2-4fc7-9f97-b42bf079fc20/bin/utaipan-verify-mE87zJ7Ire/data/95d63066b/5890c4f5ebec4b3f94d25d1653b92a80/FLAG977b84056 [2023-11-23 21:28:32,820 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1583b1-fab2-4fc7-9f97-b42bf079fc20/bin/utaipan-verify-mE87zJ7Ire/data/95d63066b/5890c4f5ebec4b3f94d25d1653b92a80 [2023-11-23 21:28:32,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:28:32,829 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:28:32,832 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:28:32,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:28:32,838 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:28:32,839 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:28:32" (1/1) ... [2023-11-23 21:28:32,840 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f529abd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:32, skipping insertion in model container [2023-11-23 21:28:32,840 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:28:32" (1/1) ... [2023-11-23 21:28:33,138 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:28:37,716 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_cd1583b1-fab2-4fc7-9f97-b42bf079fc20/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[462950,462963] [2023-11-23 21:28:37,721 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_cd1583b1-fab2-4fc7-9f97-b42bf079fc20/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463119,463132] [2023-11-23 21:28:37,722 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_cd1583b1-fab2-4fc7-9f97-b42bf079fc20/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463286,463299] [2023-11-23 21:28:37,723 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_cd1583b1-fab2-4fc7-9f97-b42bf079fc20/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463454,463467] [2023-11-23 21:28:37,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:28:37,837 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:28:38,032 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"); [5359] [2023-11-23 21:28:38,034 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)); [5366] [2023-11-23 21:28:38,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5373] [2023-11-23 21:28:38,037 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)); [5418-5419] [2023-11-23 21:28:38,038 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"); [5424-5426] [2023-11-23 21:28:38,039 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" (809), "i" (12UL)); [5451-5452] [2023-11-23 21:28:38,039 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" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [5457-5459] [2023-11-23 21:28:38,040 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" (814), "i" (12UL)); [5483-5484] [2023-11-23 21:28:38,040 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" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5489-5491] [2023-11-23 21:28:38,049 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)); [5770-5771] [2023-11-23 21:28:38,051 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)); [5804-5805] [2023-11-23 21:28:38,053 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)); [5841-5842] [2023-11-23 21:28:38,054 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)); [5878-5879] [2023-11-23 21:28:38,339 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 *)"drivers/net/ethernet/3com/3c59x.c"), "i" (3233), "i" (12UL)); [11524-11525] [2023-11-23 21:28:38,491 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_cd1583b1-fab2-4fc7-9f97-b42bf079fc20/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[462950,462963] [2023-11-23 21:28:38,491 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_cd1583b1-fab2-4fc7-9f97-b42bf079fc20/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463119,463132] [2023-11-23 21:28:38,528 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_cd1583b1-fab2-4fc7-9f97-b42bf079fc20/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463286,463299] [2023-11-23 21:28:38,529 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_cd1583b1-fab2-4fc7-9f97-b42bf079fc20/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463454,463467] [2023-11-23 21:28:38,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:28:38,898 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:28:38,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:38 WrapperNode [2023-11-23 21:28:38,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:28:38,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:28:38,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:28:38,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:28:38,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:38" (1/1) ... [2023-11-23 21:28:39,112 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:38" (1/1) ... [2023-11-23 21:28:39,465 INFO L138 Inliner]: procedures = 566, calls = 4491, calls flagged for inlining = 270, calls inlined = 248, statements flattened = 10074 [2023-11-23 21:28:39,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:28:39,467 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:28:39,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:28:39,467 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:28:39,478 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:38" (1/1) ... [2023-11-23 21:28:39,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:38" (1/1) ... [2023-11-23 21:28:39,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:38" (1/1) ... [2023-11-23 21:28:39,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:38" (1/1) ... [2023-11-23 21:28:39,854 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:38" (1/1) ... [2023-11-23 21:28:39,907 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:38" (1/1) ... [2023-11-23 21:28:39,960 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:38" (1/1) ... [2023-11-23 21:28:39,997 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:38" (1/1) ... [2023-11-23 21:28:40,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:28:40,062 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:28:40,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:28:40,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:28:40,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:38" (1/1) ... [2023-11-23 21:28:40,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:28:40,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1583b1-fab2-4fc7-9f97-b42bf079fc20/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:28:40,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1583b1-fab2-4fc7-9f97-b42bf079fc20/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:28:40,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1583b1-fab2-4fc7-9f97-b42bf079fc20/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:28:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-23 21:28:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-23 21:28:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:28:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:28:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-23 21:28:40,147 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-23 21:28:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-11-23 21:28:40,147 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-11-23 21:28:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2023-11-23 21:28:40,148 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2023-11-23 21:28:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 21:28:40,149 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 21:28:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2023-11-23 21:28:40,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2023-11-23 21:28:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:28:40,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:28:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 21:28:40,150 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 21:28:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2023-11-23 21:28:40,150 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2023-11-23 21:28:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_82 [2023-11-23 21:28:40,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_82 [2023-11-23 21:28:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2023-11-23 21:28:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2023-11-23 21:28:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 21:28:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 21:28:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-23 21:28:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-23 21:28:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2023-11-23 21:28:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2023-11-23 21:28:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:28:40,152 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:28:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-23 21:28:40,152 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-23 21:28:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-23 21:28:40,152 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-23 21:28:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2023-11-23 21:28:40,153 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2023-11-23 21:28:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-23 21:28:40,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-23 21:28:40,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2023-11-23 21:28:40,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2023-11-23 21:28:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-23 21:28:40,156 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-23 21:28:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:28:40,156 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:28:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2023-11-23 21:28:40,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2023-11-23 21:28:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2023-11-23 21:28:40,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2023-11-23 21:28:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2023-11-23 21:28:40,157 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2023-11-23 21:28:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 21:28:40,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 21:28:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:28:40,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:28:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-23 21:28:40,159 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-23 21:28:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-23 21:28:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-23 21:28:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-23 21:28:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-23 21:28:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-23 21:28:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-23 21:28:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-23 21:28:40,161 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-23 21:28:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:28:40,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:28:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-11-23 21:28:40,162 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-11-23 21:28:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:28:40,162 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:28:40,163 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-23 21:28:40,163 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-23 21:28:40,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:28:40,163 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2023-11-23 21:28:40,163 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2023-11-23 21:28:40,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-23 21:28:40,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-23 21:28:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 21:28:40,164 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 21:28:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 21:28:40,164 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 21:28:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:28:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2023-11-23 21:28:40,165 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2023-11-23 21:28:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-11-23 21:28:40,165 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-11-23 21:28:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2023-11-23 21:28:40,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2023-11-23 21:28:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:28:40,166 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:28:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-23 21:28:40,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-23 21:28:40,167 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 21:28:40,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 21:28:40,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:28:40,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:28:40,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:28:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:28:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2023-11-23 21:28:40,168 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2023-11-23 21:28:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-23 21:28:40,169 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-23 21:28:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:28:40,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:28:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:28:40,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:28:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-23 21:28:40,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-23 21:28:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 21:28:40,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 21:28:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:28:40,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:28:40,171 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2023-11-23 21:28:40,171 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2023-11-23 21:28:40,171 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-23 21:28:40,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-23 21:28:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-11-23 21:28:40,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-11-23 21:28:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-23 21:28:40,173 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-23 21:28:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2023-11-23 21:28:40,173 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2023-11-23 21:28:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 21:28:40,174 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 21:28:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2023-11-23 21:28:40,175 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2023-11-23 21:28:40,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 21:28:40,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 21:28:40,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:28:40,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 21:28:40,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 21:28:40,181 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2023-11-23 21:28:40,182 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2023-11-23 21:28:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 21:28:40,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 21:28:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-23 21:28:40,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-23 21:28:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-23 21:28:40,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-23 21:28:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-23 21:28:40,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-23 21:28:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:28:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:28:40,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:28:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:28:40,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:28:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:28:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-11-23 21:28:40,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-11-23 21:28:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:28:40,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:28:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-23 21:28:40,190 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-23 21:28:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:28:40,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:28:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2023-11-23 21:28:40,191 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2023-11-23 21:28:40,191 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 21:28:40,191 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-23 21:28:40,191 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2023-11-23 21:28:40,191 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2023-11-23 21:28:40,191 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-11-23 21:28:40,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-11-23 21:28:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-23 21:28:40,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-23 21:28:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2023-11-23 21:28:40,192 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2023-11-23 21:28:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2023-11-23 21:28:40,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2023-11-23 21:28:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-23 21:28:40,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-23 21:28:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2023-11-23 21:28:40,193 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2023-11-23 21:28:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:28:40,193 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:28:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-23 21:28:40,193 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-23 21:28:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2023-11-23 21:28:40,194 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2023-11-23 21:28:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-23 21:28:40,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-23 21:28:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2023-11-23 21:28:40,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2023-11-23 21:28:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2023-11-23 21:28:40,194 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2023-11-23 21:28:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-23 21:28:40,195 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-23 21:28:40,195 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2023-11-23 21:28:40,195 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2023-11-23 21:28:40,195 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-11-23 21:28:40,195 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-11-23 21:28:40,195 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2023-11-23 21:28:40,195 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2023-11-23 21:28:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2023-11-23 21:28:40,196 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2023-11-23 21:28:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-23 21:28:40,196 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-23 21:28:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:28:40,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:28:40,197 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2023-11-23 21:28:40,197 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2023-11-23 21:28:40,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:28:40,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:28:40,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:28:40,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:28:40,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 21:28:40,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 21:28:40,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-23 21:28:40,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-23 21:28:40,198 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2023-11-23 21:28:40,198 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2023-11-23 21:28:40,198 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-23 21:28:40,198 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-23 21:28:40,199 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 21:28:40,199 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 21:28:40,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-11-23 21:28:40,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-11-23 21:28:40,199 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-23 21:28:40,199 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-23 21:28:40,199 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-23 21:28:40,200 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-23 21:28:40,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:28:40,200 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-23 21:28:40,200 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-23 21:28:40,200 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-23 21:28:40,200 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-23 21:28:40,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:28:40,200 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2023-11-23 21:28:40,201 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2023-11-23 21:28:40,201 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2023-11-23 21:28:40,201 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2023-11-23 21:28:40,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_81 [2023-11-23 21:28:40,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_81 [2023-11-23 21:28:40,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:28:40,201 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:28:40,201 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:28:40,202 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 21:28:40,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 21:28:40,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-11-23 21:28:40,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-11-23 21:28:40,202 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 21:28:40,202 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 21:28:40,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:28:40,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:28:40,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-23 21:28:40,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-23 21:28:40,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_108 [2023-11-23 21:28:40,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_108 [2023-11-23 21:28:40,292 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-23 21:28:40,292 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-23 21:28:40,292 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2023-11-23 21:28:40,292 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2023-11-23 21:28:40,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_89 [2023-11-23 21:28:40,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_89 [2023-11-23 21:28:40,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2023-11-23 21:28:40,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2023-11-23 21:28:40,293 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2023-11-23 21:28:40,293 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2023-11-23 21:28:40,293 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-11-23 21:28:40,293 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-11-23 21:28:40,293 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-23 21:28:40,293 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-23 21:28:40,293 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2023-11-23 21:28:40,293 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2023-11-23 21:28:40,293 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-23 21:28:40,293 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-23 21:28:40,294 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 21:28:40,294 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 21:28:40,294 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-23 21:28:40,294 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-23 21:28:40,294 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 21:28:40,294 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 21:28:40,294 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2023-11-23 21:28:40,294 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2023-11-23 21:28:40,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:28:40,294 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-23 21:28:40,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-23 21:28:40,294 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2023-11-23 21:28:40,294 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2023-11-23 21:28:40,295 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-11-23 21:28:40,295 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-11-23 21:28:40,295 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-23 21:28:40,295 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-23 21:28:40,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:28:40,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:28:40,295 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2023-11-23 21:28:40,295 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2023-11-23 21:28:40,295 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2023-11-23 21:28:40,295 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2023-11-23 21:28:40,295 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-23 21:28:40,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-23 21:28:40,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_109 [2023-11-23 21:28:40,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_109 [2023-11-23 21:28:40,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_94 [2023-11-23 21:28:40,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_94 [2023-11-23 21:28:40,296 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2023-11-23 21:28:40,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2023-11-23 21:28:40,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_90 [2023-11-23 21:28:40,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_90 [2023-11-23 21:28:40,296 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-23 21:28:40,296 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-23 21:28:40,296 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2023-11-23 21:28:40,296 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2023-11-23 21:28:40,296 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2023-11-23 21:28:40,297 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2023-11-23 21:28:40,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:28:40,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:28:40,297 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-23 21:28:40,297 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-23 21:28:40,297 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-23 21:28:40,297 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-23 21:28:40,297 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-23 21:28:40,297 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-23 21:28:40,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2023-11-23 21:28:40,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2023-11-23 21:28:40,297 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 21:28:40,298 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 21:28:40,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:28:40,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:28:40,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:28:40,298 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-23 21:28:40,298 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-23 21:28:41,498 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:28:41,507 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:28:42,921 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:28:50,902 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 21:28:51,167 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:28:56,823 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:28:56,823 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 21:28:56,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:28:56 BoogieIcfgContainer [2023-11-23 21:28:56,828 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:28:56,832 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:28:56,832 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:28:56,835 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:28:56,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:28:32" (1/3) ... [2023-11-23 21:28:56,836 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2f4bc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:28:56, skipping insertion in model container [2023-11-23 21:28:56,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:38" (2/3) ... [2023-11-23 21:28:56,837 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2f4bc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:28:56, skipping insertion in model container [2023-11-23 21:28:56,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:28:56" (3/3) ... [2023-11-23 21:28:56,839 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2023-11-23 21:28:56,870 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:28:56,870 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-23 21:28:56,999 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:28:57,007 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;@4aea4cfd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:28:57,007 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-23 21:28:57,026 INFO L276 IsEmpty]: Start isEmpty. Operand has 2573 states, 1525 states have (on average 1.336393442622951) internal successors, (2038), 1596 states have internal predecessors, (2038), 892 states have call successors, (892), 154 states have call predecessors, (892), 153 states have return successors, (883), 868 states have call predecessors, (883), 883 states have call successors, (883) [2023-11-23 21:28:57,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-23 21:28:57,060 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:28:57,061 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:28:57,061 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)] === [2023-11-23 21:28:57,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:28:57,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1927547293, now seen corresponding path program 1 times [2023-11-23 21:28:57,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:28:57,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931768004] [2023-11-23 21:28:57,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:57,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:28:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:28:58,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2023-11-23 21:28:58,798 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:28:58,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931768004] [2023-11-23 21:28:58,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931768004] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:28:58,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:28:58,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:28:58,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422241578] [2023-11-23 21:28:58,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:28:58,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:28:58,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:28:58,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:28:58,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:28:58,862 INFO L87 Difference]: Start difference. First operand has 2573 states, 1525 states have (on average 1.336393442622951) internal successors, (2038), 1596 states have internal predecessors, (2038), 892 states have call successors, (892), 154 states have call predecessors, (892), 153 states have return successors, (883), 868 states have call predecessors, (883), 883 states have call successors, (883) Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-23 21:29:02,986 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 [] [2023-11-23 21:29:04,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:29:07,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:29:08,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:08,159 INFO L93 Difference]: Finished difference Result 7543 states and 11607 transitions. [2023-11-23 21:29:08,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:29:08,162 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 192 [2023-11-23 21:29:08,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:08,233 INFO L225 Difference]: With dead ends: 7543 [2023-11-23 21:29:08,233 INFO L226 Difference]: Without dead ends: 4988 [2023-11-23 21:29:08,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:29:08,269 INFO L413 NwaCegarLoop]: 3339 mSDtfsCounter, 3645 mSDsluCounter, 3287 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3645 SdHoareTripleChecker+Valid, 6626 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:08,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3645 Valid, 6626 Invalid, 971 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 962 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2023-11-23 21:29:08,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4988 states. [2023-11-23 21:29:08,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4988 to 4984. [2023-11-23 21:29:08,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4984 states, 2974 states have (on average 1.3332212508406187) internal successors, (3965), 3115 states have internal predecessors, (3965), 1705 states have call successors, (1705), 303 states have call predecessors, (1705), 302 states have return successors, (1701), 1671 states have call predecessors, (1701), 1701 states have call successors, (1701) [2023-11-23 21:29:08,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4984 states to 4984 states and 7371 transitions. [2023-11-23 21:29:08,797 INFO L78 Accepts]: Start accepts. Automaton has 4984 states and 7371 transitions. Word has length 192 [2023-11-23 21:29:08,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:08,803 INFO L495 AbstractCegarLoop]: Abstraction has 4984 states and 7371 transitions. [2023-11-23 21:29:08,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-23 21:29:08,806 INFO L276 IsEmpty]: Start isEmpty. Operand 4984 states and 7371 transitions. [2023-11-23 21:29:08,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-23 21:29:08,821 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:08,822 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:08,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:29:08,823 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-23 21:29:08,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:08,823 INFO L85 PathProgramCache]: Analyzing trace with hash -744800490, now seen corresponding path program 1 times [2023-11-23 21:29:08,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:29:08,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168879847] [2023-11-23 21:29:08,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:08,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:29:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:09,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2023-11-23 21:29:09,619 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:29:09,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168879847] [2023-11-23 21:29:09,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168879847] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:09,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:09,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:29:09,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610938604] [2023-11-23 21:29:09,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:09,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:29:09,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:29:09,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:29:09,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:29:09,624 INFO L87 Difference]: Start difference. First operand 4984 states and 7371 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21)