./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.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_fb22cb0b-c474-4e47-bda6-528c29fcbf3e/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb22cb0b-c474-4e47-bda6-528c29fcbf3e/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_fb22cb0b-c474-4e47-bda6-528c29fcbf3e/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb22cb0b-c474-4e47-bda6-528c29fcbf3e/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb22cb0b-c474-4e47-bda6-528c29fcbf3e/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_fb22cb0b-c474-4e47-bda6-528c29fcbf3e/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 8dda3f7c080a6e7302d861accabde0bee64e4cb5e7a0fb77650fdd775ecd7779 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:57:14,625 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:57:14,787 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb22cb0b-c474-4e47-bda6-528c29fcbf3e/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:57:14,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:57:14,801 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:57:14,848 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:57:14,849 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:57:14,850 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:57:14,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:57:14,856 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:57:14,857 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:57:14,858 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:57:14,858 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:57:14,860 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:57:14,861 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:57:14,861 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:57:14,861 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:57:14,862 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:57:14,862 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:57:14,863 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:57:14,863 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:57:14,864 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:57:14,865 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:57:14,866 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:57:14,866 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:57:14,867 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:57:14,867 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:57:14,868 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:57:14,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:57:14,868 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:57:14,870 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:57:14,870 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:57:14,870 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:57:14,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:57:14,871 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:57:14,871 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:57:14,871 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:57:14,872 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:57:14,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:57:14,872 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:57:14,872 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:57:14,873 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:57:14,873 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_fb22cb0b-c474-4e47-bda6-528c29fcbf3e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb22cb0b-c474-4e47-bda6-528c29fcbf3e/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dda3f7c080a6e7302d861accabde0bee64e4cb5e7a0fb77650fdd775ecd7779 [2023-11-12 00:57:15,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:57:15,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:57:15,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:57:15,305 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:57:15,306 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:57:15,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb22cb0b-c474-4e47-bda6-528c29fcbf3e/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2023-11-12 00:57:18,675 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:57:19,361 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:57:19,363 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb22cb0b-c474-4e47-bda6-528c29fcbf3e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2023-11-12 00:57:19,437 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb22cb0b-c474-4e47-bda6-528c29fcbf3e/bin/utaipan-verify-NcY6lQBIFX/data/49fc4532c/85d0c31ae9074df69f8c908187befcf9/FLAGb8d25897d [2023-11-12 00:57:19,459 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb22cb0b-c474-4e47-bda6-528c29fcbf3e/bin/utaipan-verify-NcY6lQBIFX/data/49fc4532c/85d0c31ae9074df69f8c908187befcf9 [2023-11-12 00:57:19,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:57:19,467 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:57:19,471 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:57:19,472 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:57:19,478 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:57:19,479 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:57:19" (1/1) ... [2023-11-12 00:57:19,480 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ed36997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:19, skipping insertion in model container [2023-11-12 00:57:19,480 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:57:19" (1/1) ... [2023-11-12 00:57:19,690 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:57:22,874 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_fb22cb0b-c474-4e47-bda6-528c29fcbf3e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334651,334664] [2023-11-12 00:57:22,881 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_fb22cb0b-c474-4e47-bda6-528c29fcbf3e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334820,334833] [2023-11-12 00:57:22,881 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_fb22cb0b-c474-4e47-bda6-528c29fcbf3e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334987,335000] [2023-11-12 00:57:22,882 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_fb22cb0b-c474-4e47-bda6-528c29fcbf3e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335155,335168] [2023-11-12 00:57:22,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:57:22,960 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:57:23,140 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"); [5286] [2023-11-12 00:57:23,142 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)); [5293] [2023-11-12 00:57:23,143 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5300] [2023-11-12 00:57:23,146 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)); [5339-5340] [2023-11-12 00:57:23,147 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"); [5345-5347] [2023-11-12 00:57:23,148 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)); [5372-5373] [2023-11-12 00:57:23,149 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"); [5378-5380] [2023-11-12 00:57:23,150 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)); [5404-5405] [2023-11-12 00:57:23,151 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"); [5410-5412] [2023-11-12 00:57:23,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5564] [2023-11-12 00:57:23,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5572] [2023-11-12 00:57:23,157 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5580] [2023-11-12 00:57:23,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5587] [2023-11-12 00:57:23,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5594] [2023-11-12 00:57:23,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5601] [2023-11-12 00:57:23,169 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)); [5696-5697] [2023-11-12 00:57:23,175 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)); [5730-5731] [2023-11-12 00:57:23,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [5966-5967] [2023-11-12 00:57:23,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5973] [2023-11-12 00:57:23,230 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6670] [2023-11-12 00:57:23,266 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7126] [2023-11-12 00:57:23,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7718] [2023-11-12 00:57:23,452 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_fb22cb0b-c474-4e47-bda6-528c29fcbf3e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334651,334664] [2023-11-12 00:57:23,453 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_fb22cb0b-c474-4e47-bda6-528c29fcbf3e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334820,334833] [2023-11-12 00:57:23,454 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_fb22cb0b-c474-4e47-bda6-528c29fcbf3e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334987,335000] [2023-11-12 00:57:23,454 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_fb22cb0b-c474-4e47-bda6-528c29fcbf3e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335155,335168] [2023-11-12 00:57:23,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:57:23,817 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:57:23,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:23 WrapperNode [2023-11-12 00:57:23,818 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:57:23,820 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:57:23,820 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:57:23,821 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:57:23,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:23" (1/1) ... [2023-11-12 00:57:24,002 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:23" (1/1) ... [2023-11-12 00:57:24,292 INFO L138 Inliner]: procedures = 455, calls = 1845, calls flagged for inlining = 226, calls inlined = 204, statements flattened = 5150 [2023-11-12 00:57:24,293 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:57:24,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:57:24,294 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:57:24,294 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:57:24,308 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:23" (1/1) ... [2023-11-12 00:57:24,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:23" (1/1) ... [2023-11-12 00:57:24,340 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:23" (1/1) ... [2023-11-12 00:57:24,341 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:23" (1/1) ... [2023-11-12 00:57:24,507 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:23" (1/1) ... [2023-11-12 00:57:24,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:23" (1/1) ... [2023-11-12 00:57:24,568 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:23" (1/1) ... [2023-11-12 00:57:24,598 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:23" (1/1) ... [2023-11-12 00:57:24,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:57:24,641 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:57:24,641 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:57:24,642 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:57:24,643 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:23" (1/1) ... [2023-11-12 00:57:24,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:57:24,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb22cb0b-c474-4e47-bda6-528c29fcbf3e/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:57:24,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb22cb0b-c474-4e47-bda6-528c29fcbf3e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:57:24,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb22cb0b-c474-4e47-bda6-528c29fcbf3e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:57:24,809 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 00:57:24,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 00:57:24,810 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_stats [2023-11-12 00:57:24,811 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_stats [2023-11-12 00:57:24,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:57:24,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:57:24,811 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-12 00:57:24,812 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-12 00:57:24,813 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 00:57:24,813 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 00:57:24,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:57:24,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:57:24,814 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 00:57:24,814 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 00:57:24,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:57:24,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:57:24,814 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-12 00:57:24,815 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-12 00:57:24,815 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 00:57:24,815 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 00:57:24,815 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 00:57:24,815 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 00:57:24,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2023-11-12 00:57:24,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2023-11-12 00:57:24,816 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 00:57:24,816 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 00:57:24,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:57:24,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:57:24,817 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 00:57:24,817 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 00:57:24,817 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 00:57:24,817 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 00:57:24,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:57:24,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:57:24,818 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-11-12 00:57:24,819 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-11-12 00:57:24,820 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-12 00:57:24,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-12 00:57:24,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:57:24,821 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-12 00:57:24,821 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-12 00:57:24,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-12 00:57:24,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-12 00:57:24,822 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_timeout [2023-11-12 00:57:24,822 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_timeout [2023-11-12 00:57:24,822 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 00:57:24,822 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 00:57:24,823 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_read [2023-11-12 00:57:24,823 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_read [2023-11-12 00:57:24,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:57:24,824 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_nway_reset [2023-11-12 00:57:24,824 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_nway_reset [2023-11-12 00:57:24,824 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:57:24,824 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:57:24,824 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_rx_buff_len [2023-11-12 00:57:24,825 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_rx_buff_len [2023-11-12 00:57:24,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:57:24,825 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_open [2023-11-12 00:57:24,826 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_open [2023-11-12 00:57:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:57:24,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:57:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:57:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 00:57:24,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 00:57:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 00:57:24,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 00:57:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 00:57:24,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 00:57:24,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:57:24,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:57:24,829 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 00:57:24,829 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 00:57:24,829 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 00:57:24,830 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 00:57:24,830 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_write_phy [2023-11-12 00:57:24,830 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_write_phy [2023-11-12 00:57:24,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 00:57:24,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 00:57:24,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:57:24,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:57:24,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:57:24,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:57:24,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:57:24,832 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_phy [2023-11-12 00:57:24,832 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_phy [2023-11-12 00:57:24,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-12 00:57:24,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-12 00:57:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:57:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:57:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:57:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:57:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:57:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:57:24,835 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:57:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:57:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 00:57:24,836 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 00:57:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_remove_one [2023-11-12 00:57:24,836 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_remove_one [2023-11-12 00:57:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-12 00:57:24,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-12 00:57:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-12 00:57:24,837 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-12 00:57:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:57:24,838 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:57:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_skbs [2023-11-12 00:57:24,838 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_skbs [2023-11-12 00:57:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 00:57:24,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 00:57:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-12 00:57:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-12 00:57:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 00:57:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 00:57:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-11-12 00:57:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-11-12 00:57:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-11-12 00:57:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-11-12 00:57:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-11-12 00:57:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-11-12 00:57:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:57:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:57:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_close [2023-11-12 00:57:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_close [2023-11-12 00:57:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:57:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:57:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:57:24,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:57:24,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:57:24,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:57:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-12 00:57:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-12 00:57:24,858 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_write [2023-11-12 00:57:24,858 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_write [2023-11-12 00:57:24,858 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_mib [2023-11-12 00:57:24,858 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_mib [2023-11-12 00:57:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 00:57:24,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 00:57:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_interrupt [2023-11-12 00:57:24,860 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_interrupt [2023-11-12 00:57:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-12 00:57:24,860 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-12 00:57:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_coalesce [2023-11-12 00:57:24,861 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_coalesce [2023-11-12 00:57:24,861 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 00:57:24,861 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 00:57:24,861 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-12 00:57:24,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-12 00:57:24,861 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 00:57:24,862 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 00:57:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-12 00:57:24,862 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-12 00:57:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:57:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-12 00:57:24,862 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-12 00:57:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 00:57:24,863 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 00:57:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:57:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_disable_interrupt [2023-11-12 00:57:24,863 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_disable_interrupt [2023-11-12 00:57:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-12 00:57:24,864 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-12 00:57:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_multicast_list [2023-11-12 00:57:24,864 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_multicast_list [2023-11-12 00:57:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:57:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_resume [2023-11-12 00:57:24,865 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_resume [2023-11-12 00:57:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:57:24,865 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:57:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:57:24,865 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:57:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:57:24,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:57:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-12 00:57:24,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-12 00:57:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_66 [2023-11-12 00:57:24,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_66 [2023-11-12 00:57:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_restart [2023-11-12 00:57:24,867 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_restart [2023-11-12 00:57:24,867 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-12 00:57:24,867 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-12 00:57:24,867 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 00:57:24,867 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 00:57:24,868 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 00:57:24,868 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 00:57:24,868 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-12 00:57:24,868 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-12 00:57:24,868 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:57:24,868 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:57:24,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:57:24,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:57:24,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:57:24,869 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_stop_chip [2023-11-12 00:57:24,869 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_stop_chip [2023-11-12 00:57:24,869 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-12 00:57:24,870 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-12 00:57:24,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_68 [2023-11-12 00:57:24,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_68 [2023-11-12 00:57:24,870 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_poll [2023-11-12 00:57:24,870 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_poll [2023-11-12 00:57:24,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_amd8111e_priv [2023-11-12 00:57:24,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_amd8111e_priv [2023-11-12 00:57:24,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:57:24,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:57:24,871 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-12 00:57:24,871 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-12 00:57:24,871 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_regs_len [2023-11-12 00:57:24,872 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_regs_len [2023-11-12 00:57:24,872 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-12 00:57:24,872 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-12 00:57:24,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:57:24,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_amd8111e_priv [2023-11-12 00:57:24,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_amd8111e_priv [2023-11-12 00:57:24,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:57:24,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:57:25,866 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:57:25,876 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:57:26,764 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:57:30,454 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:57:30,673 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:57:33,723 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:57:33,723 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:57:33,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:57:33 BoogieIcfgContainer [2023-11-12 00:57:33,734 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:57:33,739 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:57:33,739 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:57:33,743 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:57:33,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:57:19" (1/3) ... [2023-11-12 00:57:33,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c07095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:57:33, skipping insertion in model container [2023-11-12 00:57:33,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:23" (2/3) ... [2023-11-12 00:57:33,747 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c07095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:57:33, skipping insertion in model container [2023-11-12 00:57:33,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:57:33" (3/3) ... [2023-11-12 00:57:33,749 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2023-11-12 00:57:33,776 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:57:33,776 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-12 00:57:33,915 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:57:33,925 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;@506645a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:57:33,926 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-12 00:57:33,944 INFO L276 IsEmpty]: Start isEmpty. Operand has 1448 states, 810 states have (on average 1.2753086419753086) internal successors, (1033), 838 states have internal predecessors, (1033), 537 states have call successors, (537), 99 states have call predecessors, (537), 98 states have return successors, (532), 525 states have call predecessors, (532), 532 states have call successors, (532) [2023-11-12 00:57:33,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-12 00:57:33,966 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:57:33,967 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:57:33,968 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 00:57:33,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:57:33,975 INFO L85 PathProgramCache]: Analyzing trace with hash 39445164, now seen corresponding path program 1 times [2023-11-12 00:57:33,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:57:33,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474399745] [2023-11-12 00:57:33,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:57:33,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:57:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:57:34,939 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-12 00:57:34,940 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:57:34,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474399745] [2023-11-12 00:57:34,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474399745] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:57:34,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:57:34,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:57:34,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098139947] [2023-11-12 00:57:34,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:57:34,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:57:34,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:57:34,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:57:34,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:57:34,998 INFO L87 Difference]: Start difference. First operand has 1448 states, 810 states have (on average 1.2753086419753086) internal successors, (1033), 838 states have internal predecessors, (1033), 537 states have call successors, (537), 99 states have call predecessors, (537), 98 states have return successors, (532), 525 states have call predecessors, (532), 532 states have call successors, (532) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-12 00:57:39,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:57:39,074 INFO L93 Difference]: Finished difference Result 4243 states and 6284 transitions. [2023-11-12 00:57:39,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:57:39,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 117 [2023-11-12 00:57:39,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:57:39,134 INFO L225 Difference]: With dead ends: 4243 [2023-11-12 00:57:39,134 INFO L226 Difference]: Without dead ends: 2806 [2023-11-12 00:57:39,155 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 00:57:39,159 INFO L413 NwaCegarLoop]: 1821 mSDtfsCounter, 2008 mSDsluCounter, 1781 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2008 SdHoareTripleChecker+Valid, 3602 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-12 00:57:39,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2008 Valid, 3602 Invalid, 587 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-12 00:57:39,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2806 states. [2023-11-12 00:57:39,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2806 to 2802. [2023-11-12 00:57:39,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2802 states, 1577 states have (on average 1.2694990488268865) internal successors, (2002), 1631 states have internal predecessors, (2002), 1029 states have call successors, (1029), 194 states have call predecessors, (1029), 193 states have return successors, (1026), 1012 states have call predecessors, (1026), 1026 states have call successors, (1026) [2023-11-12 00:57:39,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2802 states to 2802 states and 4057 transitions. [2023-11-12 00:57:39,631 INFO L78 Accepts]: Start accepts. Automaton has 2802 states and 4057 transitions. Word has length 117 [2023-11-12 00:57:39,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:57:39,634 INFO L495 AbstractCegarLoop]: Abstraction has 2802 states and 4057 transitions. [2023-11-12 00:57:39,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-12 00:57:39,635 INFO L276 IsEmpty]: Start isEmpty. Operand 2802 states and 4057 transitions. [2023-11-12 00:57:39,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-12 00:57:39,651 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:57:39,652 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:57:39,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:57:39,652 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 00:57:39,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:57:39,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1566230038, now seen corresponding path program 1 times [2023-11-12 00:57:39,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:57:39,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223639282] [2023-11-12 00:57:39,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:57:39,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:57:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:57:40,008 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-12 00:57:40,009 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:57:40,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223639282] [2023-11-12 00:57:40,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223639282] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:57:40,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:57:40,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:57:40,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541914114] [2023-11-12 00:57:40,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:57:40,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:57:40,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:57:40,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:57:40,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:57:40,014 INFO L87 Difference]: Start difference. First operand 2802 states and 4057 transitions. 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-12 00:57:43,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:57:43,646 INFO L93 Difference]: Finished difference Result 7980 states and 11499 transitions. [2023-11-12 00:57:43,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:57:43,647 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 128 [2023-11-12 00:57:43,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:57:43,712 INFO L225 Difference]: With dead ends: 7980 [2023-11-12 00:57:43,713 INFO L226 Difference]: Without dead ends: 5199 [2023-11-12 00:57:43,741 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 00:57:43,742 INFO L413 NwaCegarLoop]: 1808 mSDtfsCounter, 1742 mSDsluCounter, 1741 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1742 SdHoareTripleChecker+Valid, 3549 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:57:43,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1742 Valid, 3549 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-12 00:57:43,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5199 states. [2023-11-12 00:57:44,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5199 to 5170. [2023-11-12 00:57:44,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5170 states, 2894 states have (on average 1.2574291637871458) internal successors, (3639), 2996 states have internal predecessors, (3639), 1892 states have call successors, (1892), 382 states have call predecessors, (1892), 381 states have return successors, (1895), 1855 states have call predecessors, (1895), 1889 states have call successors, (1895) [2023-11-12 00:57:44,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5170 states to 5170 states and 7426 transitions. [2023-11-12 00:57:44,359 INFO L78 Accepts]: Start accepts. Automaton has 5170 states and 7426 transitions. Word has length 128 [2023-11-12 00:57:44,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:57:44,360 INFO L495 AbstractCegarLoop]: Abstraction has 5170 states and 7426 transitions. [2023-11-12 00:57:44,361 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-12 00:57:44,361 INFO L276 IsEmpty]: Start isEmpty. Operand 5170 states and 7426 transitions. [2023-11-12 00:57:44,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-12 00:57:44,368 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:57:44,369 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:57:44,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:57:44,370 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 00:57:44,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:57:44,383 INFO L85 PathProgramCache]: Analyzing trace with hash -2010629485, now seen corresponding path program 1 times [2023-11-12 00:57:44,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:57:44,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018081099] [2023-11-12 00:57:44,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:57:44,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:57:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:57:44,821 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-12 00:57:44,821 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:57:44,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018081099] [2023-11-12 00:57:44,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018081099] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:57:44,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:57:44,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:57:44,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60228446] [2023-11-12 00:57:44,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:57:44,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:57:44,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:57:44,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:57:44,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:57:44,825 INFO L87 Difference]: Start difference. First operand 5170 states and 7426 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-12 00:57:48,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:57:48,744 INFO L93 Difference]: Finished difference Result 15190 states and 21846 transitions. [2023-11-12 00:57:48,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:57:48,745 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 130 [2023-11-12 00:57:48,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:57:48,850 INFO L225 Difference]: With dead ends: 15190 [2023-11-12 00:57:48,850 INFO L226 Difference]: Without dead ends: 10041 [2023-11-12 00:57:48,887 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 00:57:48,889 INFO L413 NwaCegarLoop]: 1911 mSDtfsCounter, 2028 mSDsluCounter, 1743 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2028 SdHoareTripleChecker+Valid, 3654 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:57:48,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2028 Valid, 3654 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-12 00:57:48,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10041 states. [2023-11-12 00:57:49,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10041 to 10008. [2023-11-12 00:57:49,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10008 states, 5616 states have (on average 1.2612179487179487) internal successors, (7083), 5830 states have internal predecessors, (7083), 3642 states have call successors, (3642), 756 states have call predecessors, (3642), 747 states have return successors, (3673), 3547 states have call predecessors, (3673), 3639 states have call successors, (3673) [2023-11-12 00:57:49,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10008 states to 10008 states and 14398 transitions. [2023-11-12 00:57:49,843 INFO L78 Accepts]: Start accepts. Automaton has 10008 states and 14398 transitions. Word has length 130 [2023-11-12 00:57:49,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:57:49,844 INFO L495 AbstractCegarLoop]: Abstraction has 10008 states and 14398 transitions. [2023-11-12 00:57:49,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-12 00:57:49,844 INFO L276 IsEmpty]: Start isEmpty. Operand 10008 states and 14398 transitions. [2023-11-12 00:57:49,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-12 00:57:49,847 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:57:49,848 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:57:49,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 00:57:49,848 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 00:57:49,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:57:49,849 INFO L85 PathProgramCache]: Analyzing trace with hash 908457358, now seen corresponding path program 1 times [2023-11-12 00:57:49,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:57:49,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941230900] [2023-11-12 00:57:49,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:57:49,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:57:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:57:50,124 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-12 00:57:50,125 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:57:50,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941230900] [2023-11-12 00:57:50,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941230900] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:57:50,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:57:50,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:57:50,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795811892] [2023-11-12 00:57:50,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:57:50,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:57:50,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:57:50,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:57:50,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:57:50,128 INFO L87 Difference]: Start difference. First operand 10008 states and 14398 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-12 00:57:53,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:57:53,862 INFO L93 Difference]: Finished difference Result 17327 states and 24891 transitions. [2023-11-12 00:57:53,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:57:53,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 136 [2023-11-12 00:57:53,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:57:54,047 INFO L225 Difference]: With dead ends: 17327 [2023-11-12 00:57:54,047 INFO L226 Difference]: Without dead ends: 7340 [2023-11-12 00:57:54,088 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 00:57:54,095 INFO L413 NwaCegarLoop]: 2799 mSDtfsCounter, 1296 mSDsluCounter, 1752 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1296 SdHoareTripleChecker+Valid, 4551 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:57:54,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1296 Valid, 4551 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-12 00:57:54,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7340 states. [2023-11-12 00:57:54,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7340 to 7312. [2023-11-12 00:57:54,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7312 states, 4196 states have (on average 1.2628693994280267) internal successors, (5299), 4354 states have internal predecessors, (5299), 2550 states have call successors, (2550), 568 states have call predecessors, (2550), 563 states have return successors, (2564), 2479 states have call predecessors, (2564), 2547 states have call successors, (2564) [2023-11-12 00:57:54,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7312 states to 7312 states and 10413 transitions. [2023-11-12 00:57:54,570 INFO L78 Accepts]: Start accepts. Automaton has 7312 states and 10413 transitions. Word has length 136 [2023-11-12 00:57:54,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:57:54,572 INFO L495 AbstractCegarLoop]: Abstraction has 7312 states and 10413 transitions. [2023-11-12 00:57:54,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-12 00:57:54,573 INFO L276 IsEmpty]: Start isEmpty. Operand 7312 states and 10413 transitions. [2023-11-12 00:57:54,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-12 00:57:54,576 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:57:54,576 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:57:54,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 00:57:54,577 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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 00:57:54,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:57:54,577 INFO L85 PathProgramCache]: Analyzing trace with hash 2145803843, now seen corresponding path program 1 times [2023-11-12 00:57:54,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:57:54,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787124202] [2023-11-12 00:57:54,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:57:54,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:57:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:57:55,107 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2023-11-12 00:57:55,108 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:57:55,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787124202] [2023-11-12 00:57:55,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787124202] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:57:55,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:57:55,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 00:57:55,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601153983] [2023-11-12 00:57:55,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:57:55,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:57:55,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:57:55,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:57:55,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:57:55,111 INFO L87 Difference]: Start difference. First operand 7312 states and 10413 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-12 00:57:57,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []