./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 cf1a7837 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_c338c944-9d80-47d9-b8ff-7a40fd38dd10/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c338c944-9d80-47d9-b8ff-7a40fd38dd10/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c338c944-9d80-47d9-b8ff-7a40fd38dd10/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c338c944-9d80-47d9-b8ff-7a40fd38dd10/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c338c944-9d80-47d9-b8ff-7a40fd38dd10/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c338c944-9d80-47d9-b8ff-7a40fd38dd10/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:13:31,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:13:31,818 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c338c944-9d80-47d9-b8ff-7a40fd38dd10/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:13:31,823 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:13:31,824 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:13:31,851 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:13:31,852 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:13:31,853 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:13:31,854 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:13:31,854 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:13:31,855 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:13:31,855 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:13:31,856 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:13:31,857 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:13:31,857 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:13:31,858 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:13:31,858 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:13:31,859 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:13:31,860 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:13:31,860 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:13:31,861 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:13:31,862 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:13:31,863 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:13:31,863 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:13:31,864 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:13:31,864 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:13:31,865 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:13:31,865 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:13:31,866 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:13:31,867 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:13:31,867 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:13:31,868 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:13:31,868 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:13:31,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:13:31,869 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:13:31,870 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:13:31,870 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:13:31,870 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:13:31,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:13:31,871 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:13:31,872 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:13:31,872 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:13:31,872 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_c338c944-9d80-47d9-b8ff-7a40fd38dd10/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c338c944-9d80-47d9-b8ff-7a40fd38dd10/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c [2023-11-12 00:13:32,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:13:32,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:13:32,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:13:32,236 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:13:32,237 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:13:32,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c338c944-9d80-47d9-b8ff-7a40fd38dd10/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2023-11-12 00:13:35,347 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:13:36,084 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:13:36,086 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c338c944-9d80-47d9-b8ff-7a40fd38dd10/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2023-11-12 00:13:36,157 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c338c944-9d80-47d9-b8ff-7a40fd38dd10/bin/utaipan-verify-NcY6lQBIFX/data/1f9303fbb/48b47350b927414b8dbaa532840fafb4/FLAG2e7bf6334 [2023-11-12 00:13:36,175 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c338c944-9d80-47d9-b8ff-7a40fd38dd10/bin/utaipan-verify-NcY6lQBIFX/data/1f9303fbb/48b47350b927414b8dbaa532840fafb4 [2023-11-12 00:13:36,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:13:36,187 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:13:36,191 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:13:36,192 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:13:36,198 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:13:36,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:13:36" (1/1) ... [2023-11-12 00:13:36,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42266d08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:36, skipping insertion in model container [2023-11-12 00:13:36,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:13:36" (1/1) ... [2023-11-12 00:13:36,538 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:13:41,376 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_c338c944-9d80-47d9-b8ff-7a40fd38dd10/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[462950,462963] [2023-11-12 00:13:41,381 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_c338c944-9d80-47d9-b8ff-7a40fd38dd10/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463119,463132] [2023-11-12 00:13:41,381 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_c338c944-9d80-47d9-b8ff-7a40fd38dd10/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463286,463299] [2023-11-12 00:13:41,382 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_c338c944-9d80-47d9-b8ff-7a40fd38dd10/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463454,463467] [2023-11-12 00:13:41,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:13:41,498 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:13:41,609 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] [2023-11-12 00:13:41,611 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] [2023-11-12 00:13:41,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5373] [2023-11-12 00:13:41,614 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] [2023-11-12 00:13:41,614 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] [2023-11-12 00:13:41,615 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] [2023-11-12 00:13:41,615 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] [2023-11-12 00:13:41,616 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] [2023-11-12 00:13:41,617 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] [2023-11-12 00:13:41,626 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] [2023-11-12 00:13:41,630 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] [2023-11-12 00:13:41,631 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] [2023-11-12 00:13:41,632 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] [2023-11-12 00:13:41,907 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] [2023-11-12 00:13:42,076 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_c338c944-9d80-47d9-b8ff-7a40fd38dd10/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[462950,462963] [2023-11-12 00:13:42,077 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_c338c944-9d80-47d9-b8ff-7a40fd38dd10/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463119,463132] [2023-11-12 00:13:42,077 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_c338c944-9d80-47d9-b8ff-7a40fd38dd10/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463286,463299] [2023-11-12 00:13:42,078 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_c338c944-9d80-47d9-b8ff-7a40fd38dd10/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463454,463467] [2023-11-12 00:13:42,090 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:13:42,419 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:13:42,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:42 WrapperNode [2023-11-12 00:13:42,420 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:13:42,421 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:13:42,421 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:13:42,421 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:13:42,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:42" (1/1) ... [2023-11-12 00:13:42,630 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:42" (1/1) ... [2023-11-12 00:13:42,977 INFO L138 Inliner]: procedures = 566, calls = 4491, calls flagged for inlining = 270, calls inlined = 248, statements flattened = 10074 [2023-11-12 00:13:42,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:13:42,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:13:42,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:13:42,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:13:42,991 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:42" (1/1) ... [2023-11-12 00:13:42,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:42" (1/1) ... [2023-11-12 00:13:43,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:42" (1/1) ... [2023-11-12 00:13:43,061 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:42" (1/1) ... [2023-11-12 00:13:43,384 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:42" (1/1) ... [2023-11-12 00:13:43,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:42" (1/1) ... [2023-11-12 00:13:43,473 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:42" (1/1) ... [2023-11-12 00:13:43,510 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:42" (1/1) ... [2023-11-12 00:13:43,577 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:13:43,578 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:13:43,579 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:13:43,579 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:13:43,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:42" (1/1) ... [2023-11-12 00:13:43,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:13:43,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c338c944-9d80-47d9-b8ff-7a40fd38dd10/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:13:43,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c338c944-9d80-47d9-b8ff-7a40fd38dd10/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:13:43,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c338c944-9d80-47d9-b8ff-7a40fd38dd10/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:13:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 00:13:43,665 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 00:13:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:13:43,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:13:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-12 00:13:43,666 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-12 00:13:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-11-12 00:13:43,667 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-11-12 00:13:43,669 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2023-11-12 00:13:43,669 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2023-11-12 00:13:43,669 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 00:13:43,670 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 00:13:43,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2023-11-12 00:13:43,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2023-11-12 00:13:43,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:13:43,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:13:43,672 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 00:13:43,672 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 00:13:43,672 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2023-11-12 00:13:43,672 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2023-11-12 00:13:43,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_82 [2023-11-12 00:13:43,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_82 [2023-11-12 00:13:43,673 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2023-11-12 00:13:43,673 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2023-11-12 00:13:43,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:13:43,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:13:43,673 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-12 00:13:43,674 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-12 00:13:43,674 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2023-11-12 00:13:43,674 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2023-11-12 00:13:43,674 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 00:13:43,674 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 00:13:43,674 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-12 00:13:43,675 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-12 00:13:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-12 00:13:43,675 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-12 00:13:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2023-11-12 00:13:43,675 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2023-11-12 00:13:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-12 00:13:43,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-12 00:13:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2023-11-12 00:13:43,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2023-11-12 00:13:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-12 00:13:43,677 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-12 00:13:43,677 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 00:13:43,678 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 00:13:43,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2023-11-12 00:13:43,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2023-11-12 00:13:43,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2023-11-12 00:13:43,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2023-11-12 00:13:43,679 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2023-11-12 00:13:43,679 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2023-11-12 00:13:43,679 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 00:13:43,679 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 00:13:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:13:43,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:13:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 00:13:43,681 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 00:13:43,681 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-12 00:13:43,681 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-12 00:13:43,681 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-12 00:13:43,682 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-12 00:13:43,682 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-12 00:13:43,682 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-12 00:13:43,682 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 00:13:43,682 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 00:13:43,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:13:43,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:13:43,683 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-11-12 00:13:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-11-12 00:13:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 00:13:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 00:13:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-12 00:13:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-12 00:13:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:13:43,685 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2023-11-12 00:13:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2023-11-12 00:13:43,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-12 00:13:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-12 00:13:43,685 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 00:13:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 00:13:43,686 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-12 00:13:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-12 00:13:43,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:13:43,686 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2023-11-12 00:13:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2023-11-12 00:13:43,686 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-11-12 00:13:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-11-12 00:13:43,687 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2023-11-12 00:13:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2023-11-12 00:13:43,687 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:13:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:13:43,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-12 00:13:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-12 00:13:43,688 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 00:13:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 00:13:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:13:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:13:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:13:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:13:43,690 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2023-11-12 00:13:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2023-11-12 00:13:43,690 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-12 00:13:43,691 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-12 00:13:43,691 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 00:13:43,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 00:13:43,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:13:43,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:13:43,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 00:13:43,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 00:13:43,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 00:13:43,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 00:13:43,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:13:43,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:13:43,693 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2023-11-12 00:13:43,693 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2023-11-12 00:13:43,693 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-12 00:13:43,693 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-12 00:13:43,693 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-11-12 00:13:43,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-11-12 00:13:43,694 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 00:13:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 00:13:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2023-11-12 00:13:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2023-11-12 00:13:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 00:13:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 00:13:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2023-11-12 00:13:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2023-11-12 00:13:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 00:13:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 00:13:43,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:13:43,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:13:43,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:13:43,701 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2023-11-12 00:13:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2023-11-12 00:13:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:13:43,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:13:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-12 00:13:43,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-12 00:13:43,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-12 00:13:43,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-12 00:13:43,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-12 00:13:43,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-12 00:13:43,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:13:43,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:13:43,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:13:43,712 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:13:43,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:13:43,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:13:43,712 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-11-12 00:13:43,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-11-12 00:13:43,712 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:13:43,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:13:43,713 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-12 00:13:43,713 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-12 00:13:43,713 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:13:43,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:13:43,713 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2023-11-12 00:13:43,713 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2023-11-12 00:13:43,714 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 00:13:43,714 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 00:13:43,714 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2023-11-12 00:13:43,714 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2023-11-12 00:13:43,714 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-11-12 00:13:43,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-11-12 00:13:43,714 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 00:13:43,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 00:13:43,715 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2023-11-12 00:13:43,715 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2023-11-12 00:13:43,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2023-11-12 00:13:43,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2023-11-12 00:13:43,715 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-12 00:13:43,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-12 00:13:43,716 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2023-11-12 00:13:43,716 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2023-11-12 00:13:43,716 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:13:43,716 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:13:43,716 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-12 00:13:43,716 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-12 00:13:43,716 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2023-11-12 00:13:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2023-11-12 00:13:43,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 00:13:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 00:13:43,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2023-11-12 00:13:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2023-11-12 00:13:43,717 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2023-11-12 00:13:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2023-11-12 00:13:43,718 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-12 00:13:43,718 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-12 00:13:43,718 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2023-11-12 00:13:43,718 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2023-11-12 00:13:43,718 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-11-12 00:13:43,718 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-11-12 00:13:43,718 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2023-11-12 00:13:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2023-11-12 00:13:43,719 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2023-11-12 00:13:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2023-11-12 00:13:43,719 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-12 00:13:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-12 00:13:43,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:13:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:13:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2023-11-12 00:13:43,720 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2023-11-12 00:13:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:13:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:13:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:13:43,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:13:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:13:43,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:13:43,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 00:13:43,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 00:13:43,721 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2023-11-12 00:13:43,721 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2023-11-12 00:13:43,721 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-12 00:13:43,721 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-12 00:13:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 00:13:43,722 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 00:13:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-11-12 00:13:43,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-11-12 00:13:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 00:13:43,722 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 00:13:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-12 00:13:43,723 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-12 00:13:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:13:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-12 00:13:43,723 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-12 00:13:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 00:13:43,723 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 00:13:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:13:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2023-11-12 00:13:43,724 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2023-11-12 00:13:43,724 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2023-11-12 00:13:43,724 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2023-11-12 00:13:43,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_81 [2023-11-12 00:13:43,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_81 [2023-11-12 00:13:43,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:13:43,724 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:13:43,725 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:13:43,725 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 00:13:43,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 00:13:43,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-11-12 00:13:43,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-11-12 00:13:43,725 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:13:43,725 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:13:43,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:13:43,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:13:43,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-12 00:13:43,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-12 00:13:43,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_108 [2023-11-12 00:13:43,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_108 [2023-11-12 00:13:43,726 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-12 00:13:43,727 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-12 00:13:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2023-11-12 00:13:43,727 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2023-11-12 00:13:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_89 [2023-11-12 00:13:43,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_89 [2023-11-12 00:13:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2023-11-12 00:13:43,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2023-11-12 00:13:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2023-11-12 00:13:43,733 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2023-11-12 00:13:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-11-12 00:13:43,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-11-12 00:13:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-12 00:13:43,733 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-12 00:13:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2023-11-12 00:13:43,733 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2023-11-12 00:13:43,734 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 00:13:43,736 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 00:13:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 00:13:43,736 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 00:13:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-12 00:13:43,736 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-12 00:13:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:13:43,736 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:13:43,737 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2023-11-12 00:13:43,737 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2023-11-12 00:13:43,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:13:43,737 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-12 00:13:43,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-12 00:13:43,737 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2023-11-12 00:13:43,737 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2023-11-12 00:13:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-11-12 00:13:43,738 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-11-12 00:13:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-12 00:13:43,738 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-12 00:13:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:13:43,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:13:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2023-11-12 00:13:43,738 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2023-11-12 00:13:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2023-11-12 00:13:43,739 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2023-11-12 00:13:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-12 00:13:43,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-12 00:13:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_109 [2023-11-12 00:13:43,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_109 [2023-11-12 00:13:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_94 [2023-11-12 00:13:43,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_94 [2023-11-12 00:13:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2023-11-12 00:13:43,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2023-11-12 00:13:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_90 [2023-11-12 00:13:43,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_90 [2023-11-12 00:13:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-12 00:13:43,740 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-12 00:13:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2023-11-12 00:13:43,741 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2023-11-12 00:13:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2023-11-12 00:13:43,741 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2023-11-12 00:13:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:13:43,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:13:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-12 00:13:43,742 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-12 00:13:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-12 00:13:43,742 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-12 00:13:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-12 00:13:43,742 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-12 00:13:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2023-11-12 00:13:43,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2023-11-12 00:13:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-12 00:13:43,743 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-12 00:13:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:13:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:13:43,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:13:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-12 00:13:43,743 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-12 00:13:44,938 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:13:44,943 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:13:46,637 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:13:55,993 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:13:56,198 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:14:01,865 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:14:01,865 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-12 00:14:01,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:01 BoogieIcfgContainer [2023-11-12 00:14:01,876 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:14:01,882 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:14:01,882 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:14:01,886 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:14:01,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:13:36" (1/3) ... [2023-11-12 00:14:01,887 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6363fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:01, skipping insertion in model container [2023-11-12 00:14:01,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:42" (2/3) ... [2023-11-12 00:14:01,889 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6363fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:01, skipping insertion in model container [2023-11-12 00:14:01,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:01" (3/3) ... [2023-11-12 00:14:01,891 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2023-11-12 00:14:01,916 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:14:01,916 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-12 00:14:02,074 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:14:02,084 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;@1c6d3743, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:14:02,085 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-12 00:14:02,104 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) [2023-11-12 00:14:02,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-12 00:14:02,151 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:14:02,153 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] [2023-11-12 00:14:02,154 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 00:14:02,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:14:02,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1466225873, now seen corresponding path program 1 times [2023-11-12 00:14:02,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:14:02,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015550795] [2023-11-12 00:14:02,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:14:02,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:14:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:14:04,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2023-11-12 00:14:04,057 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:14:04,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015550795] [2023-11-12 00:14:04,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015550795] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:14:04,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:14:04,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:14:04,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942967313] [2023-11-12 00:14:04,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:14:04,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:14:04,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:14:04,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:14:04,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:14:04,124 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) [2023-11-12 00:14:09,571 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 [] [2023-11-12 00:14:10,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:14:10,211 INFO L93 Difference]: Finished difference Result 7543 states and 11607 transitions. [2023-11-12 00:14:10,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:14:10,214 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 [2023-11-12 00:14:10,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:14:10,301 INFO L225 Difference]: With dead ends: 7543 [2023-11-12 00:14:10,301 INFO L226 Difference]: Without dead ends: 4988 [2023-11-12 00:14:10,337 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 [2023-11-12 00:14:10,341 INFO L413 NwaCegarLoop]: 3339 mSDtfsCounter, 3645 mSDsluCounter, 3287 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3645 SdHoareTripleChecker+Valid, 6626 SdHoareTripleChecker+Invalid, 970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-11-12 00:14:10,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3645 Valid, 6626 Invalid, 970 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 962 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2023-11-12 00:14:10,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4988 states. [2023-11-12 00:14:10,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4988 to 4984. [2023-11-12 00:14:10,782 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) [2023-11-12 00:14:10,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4984 states to 4984 states and 7371 transitions. [2023-11-12 00:14:10,840 INFO L78 Accepts]: Start accepts. Automaton has 4984 states and 7371 transitions. Word has length 192 [2023-11-12 00:14:10,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:14:10,842 INFO L495 AbstractCegarLoop]: Abstraction has 4984 states and 7371 transitions. [2023-11-12 00:14:10,842 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) [2023-11-12 00:14:10,843 INFO L276 IsEmpty]: Start isEmpty. Operand 4984 states and 7371 transitions. [2023-11-12 00:14:10,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-12 00:14:10,851 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:14:10,852 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] [2023-11-12 00:14:10,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:14:10,852 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)] === [2023-11-12 00:14:10,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:14:10,853 INFO L85 PathProgramCache]: Analyzing trace with hash 93219213, now seen corresponding path program 1 times [2023-11-12 00:14:10,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:14:10,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40768699] [2023-11-12 00:14:10,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:14:10,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:14:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:14:11,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2023-11-12 00:14:11,780 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:14:11,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40768699] [2023-11-12 00:14:11,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40768699] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:14:11,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:14:11,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:14:11,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349211998] [2023-11-12 00:14:11,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:14:11,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:14:11,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:14:11,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:14:11,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:14:11,791 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) [2023-11-12 00:14:15,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []