./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-atheros-atlx-atl2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4055ae2e-37c3-41ff-afb9-7c1d090a024a/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4055ae2e-37c3-41ff-afb9-7c1d090a024a/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_4055ae2e-37c3-41ff-afb9-7c1d090a024a/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4055ae2e-37c3-41ff-afb9-7c1d090a024a/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-atheros-atlx-atl2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4055ae2e-37c3-41ff-afb9-7c1d090a024a/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_4055ae2e-37c3-41ff-afb9-7c1d090a024a/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 a17c24f91a3bb3d64b949ed6598dfddc35ec4ff57290faa768ce9df2bba8e700 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:15:11,451 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:15:11,580 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4055ae2e-37c3-41ff-afb9-7c1d090a024a/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:15:11,585 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:15:11,586 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:15:11,626 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:15:11,627 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:15:11,628 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:15:11,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:15:11,637 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:15:11,637 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:15:11,638 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:15:11,638 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:15:11,641 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:15:11,641 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:15:11,641 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:15:11,642 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:15:11,642 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:15:11,643 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:15:11,643 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:15:11,644 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:15:11,644 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:15:11,645 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:15:11,645 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:15:11,646 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:15:11,646 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:15:11,646 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:15:11,647 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:15:11,647 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:15:11,648 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:15:11,648 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:15:11,648 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:15:11,649 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:15:11,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:15:11,650 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:15:11,650 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:15:11,650 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:15:11,650 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:15:11,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:15:11,651 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:15:11,651 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:15:11,651 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:15:11,652 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_4055ae2e-37c3-41ff-afb9-7c1d090a024a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4055ae2e-37c3-41ff-afb9-7c1d090a024a/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a17c24f91a3bb3d64b949ed6598dfddc35ec4ff57290faa768ce9df2bba8e700 [2023-11-12 00:15:11,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:15:11,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:15:11,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:15:11,996 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:15:11,997 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:15:11,998 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4055ae2e-37c3-41ff-afb9-7c1d090a024a/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2023-11-12 00:15:15,246 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:15:16,045 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:15:16,046 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4055ae2e-37c3-41ff-afb9-7c1d090a024a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2023-11-12 00:15:16,092 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4055ae2e-37c3-41ff-afb9-7c1d090a024a/bin/utaipan-verify-NcY6lQBIFX/data/1bd39eaba/854bd1d71acb47c69c375fcd82ac2369/FLAGaaeb92a91 [2023-11-12 00:15:16,107 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4055ae2e-37c3-41ff-afb9-7c1d090a024a/bin/utaipan-verify-NcY6lQBIFX/data/1bd39eaba/854bd1d71acb47c69c375fcd82ac2369 [2023-11-12 00:15:16,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:15:16,111 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:15:16,113 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:15:16,113 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:15:16,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:15:16,120 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:15:16" (1/1) ... [2023-11-12 00:15:16,121 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@271c3116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:16, skipping insertion in model container [2023-11-12 00:15:16,121 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:15:16" (1/1) ... [2023-11-12 00:15:16,305 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:15:20,358 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_4055ae2e-37c3-41ff-afb9-7c1d090a024a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396127,396140] [2023-11-12 00:15:20,362 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_4055ae2e-37c3-41ff-afb9-7c1d090a024a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396296,396309] [2023-11-12 00:15:20,363 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_4055ae2e-37c3-41ff-afb9-7c1d090a024a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396463,396476] [2023-11-12 00:15:20,364 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_4055ae2e-37c3-41ff-afb9-7c1d090a024a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396631,396644] [2023-11-12 00:15:20,388 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:15:20,431 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:15:20,622 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"); [5886] [2023-11-12 00:15:20,624 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)); [5893] [2023-11-12 00:15:20,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5900] [2023-11-12 00:15:20,627 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)); [5940-5941] [2023-11-12 00:15:20,628 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"); [5946-5948] [2023-11-12 00:15:20,629 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [5962] [2023-11-12 00:15:20,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6038] [2023-11-12 00:15:20,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6041] [2023-11-12 00:15:20,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6044] [2023-11-12 00:15:20,632 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6047] [2023-11-12 00:15:20,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6657] [2023-11-12 00:15:20,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6660] [2023-11-12 00:15:20,664 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6663] [2023-11-12 00:15:20,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6666] [2023-11-12 00:15:20,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6697] [2023-11-12 00:15:20,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6700] [2023-11-12 00:15:20,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6703] [2023-11-12 00:15:20,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6706] [2023-11-12 00:15:20,668 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6737] [2023-11-12 00:15:20,668 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6740] [2023-11-12 00:15:20,668 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6743] [2023-11-12 00:15:20,669 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6746] [2023-11-12 00:15:20,670 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6777] [2023-11-12 00:15:20,670 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6780] [2023-11-12 00:15:20,670 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6783] [2023-11-12 00:15:20,671 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6786] [2023-11-12 00:15:20,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7986] [2023-11-12 00:15:20,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9616] [2023-11-12 00:15:20,854 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9990] [2023-11-12 00:15:20,855 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10003] [2023-11-12 00:15:20,856 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10027] [2023-11-12 00:15:20,857 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10040] [2023-11-12 00:15:20,871 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/atheros/atlx/atl2.c"), "i" (2966), "i" (12UL)); [10399-10400] [2023-11-12 00:15:21,057 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_4055ae2e-37c3-41ff-afb9-7c1d090a024a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396127,396140] [2023-11-12 00:15:21,057 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_4055ae2e-37c3-41ff-afb9-7c1d090a024a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396296,396309] [2023-11-12 00:15:21,058 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_4055ae2e-37c3-41ff-afb9-7c1d090a024a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396463,396476] [2023-11-12 00:15:21,059 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_4055ae2e-37c3-41ff-afb9-7c1d090a024a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396631,396644] [2023-11-12 00:15:21,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:15:21,359 WARN L672 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:15:21,360 WARN L672 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:15:21,360 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:15:21,367 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:15:21,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:21 WrapperNode [2023-11-12 00:15:21,368 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:15:21,369 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:15:21,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:15:21,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:15:21,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:21" (1/1) ... [2023-11-12 00:15:21,498 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:21" (1/1) ... [2023-11-12 00:15:21,831 INFO L138 Inliner]: procedures = 537, calls = 2768, calls flagged for inlining = 264, calls inlined = 238, statements flattened = 7431 [2023-11-12 00:15:21,832 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:15:21,833 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:15:21,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:15:21,834 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:15:21,843 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:21" (1/1) ... [2023-11-12 00:15:21,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:21" (1/1) ... [2023-11-12 00:15:21,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:21" (1/1) ... [2023-11-12 00:15:21,916 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:21" (1/1) ... [2023-11-12 00:15:22,151 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:21" (1/1) ... [2023-11-12 00:15:22,178 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:21" (1/1) ... [2023-11-12 00:15:22,209 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:21" (1/1) ... [2023-11-12 00:15:22,241 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:21" (1/1) ... [2023-11-12 00:15:22,293 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:15:22,294 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:15:22,294 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:15:22,295 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:15:22,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:21" (1/1) ... [2023-11-12 00:15:22,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:15:22,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4055ae2e-37c3-41ff-afb9-7c1d090a024a/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:15:22,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4055ae2e-37c3-41ff-afb9-7c1d090a024a/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:15:22,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4055ae2e-37c3-41ff-afb9-7c1d090a024a/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:15:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-12 00:15:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-12 00:15:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_eeprom_len [2023-11-12 00:15:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_eeprom_len [2023-11-12 00:15:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 00:15:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 00:15:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_nway_reset [2023-11-12 00:15:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_nway_reset [2023-11-12 00:15:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:15:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:15:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 00:15:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 00:15:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2023-11-12 00:15:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2023-11-12 00:15:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:15:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:15:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2023-11-12 00:15:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2023-11-12 00:15:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:15:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:15:22,375 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-12 00:15:22,375 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-12 00:15:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 00:15:22,376 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 00:15:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-12 00:15:22,377 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-12 00:15:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-12 00:15:22,377 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-12 00:15:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_free_irq [2023-11-12 00:15:22,377 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_free_irq [2023-11-12 00:15:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-12 00:15:22,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-12 00:15:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-12 00:15:22,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-12 00:15:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_close [2023-11-12 00:15:22,379 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_close [2023-11-12 00:15:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_speed_and_duplex [2023-11-12 00:15:22,379 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_speed_and_duplex [2023-11-12 00:15:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_force_ps [2023-11-12 00:15:22,380 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_force_ps [2023-11-12 00:15:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 00:15:22,380 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 00:15:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:15:22,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:15:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 00:15:22,381 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 00:15:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-12 00:15:22,382 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-12 00:15:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 00:15:22,382 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 00:15:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:15:22,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:15:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:15:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-12 00:15:22,383 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-12 00:15:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2023-11-12 00:15:22,383 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2023-11-12 00:15:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-12 00:15:22,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-12 00:15:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_write_phy_reg [2023-11-12 00:15:22,384 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_write_phy_reg [2023-11-12 00:15:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-12 00:15:22,384 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-12 00:15:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_vlan_mode [2023-11-12 00:15:22,385 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_vlan_mode [2023-11-12 00:15:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 00:15:22,385 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 00:15:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_up [2023-11-12 00:15:22,385 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_up [2023-11-12 00:15:22,386 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 00:15:22,386 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 00:15:22,387 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-12 00:15:22,387 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-12 00:15:22,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:15:22,387 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_tx_timeout [2023-11-12 00:15:22,387 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_tx_timeout [2023-11-12 00:15:22,388 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_irq_enable [2023-11-12 00:15:22,388 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_irq_enable [2023-11-12 00:15:22,388 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:15:22,388 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:15:22,389 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_poll_controller [2023-11-12 00:15:22,389 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_poll_controller [2023-11-12 00:15:22,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:15:22,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:15:22,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:15:22,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:15:22,390 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_irq_disable [2023-11-12 00:15:22,391 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_irq_disable [2023-11-12 00:15:22,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:15:22,391 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:15:22,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_stats_lock_of_atl2_adapter [2023-11-12 00:15:22,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_stats_lock_of_atl2_adapter [2023-11-12 00:15:22,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 00:15:22,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 00:15:22,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 00:15:22,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 00:15:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-11-12 00:15:22,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-11-12 00:15:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:15:22,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:15:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 00:15:22,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 00:15:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_shutdown [2023-11-12 00:15:22,395 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_shutdown [2023-11-12 00:15:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure __atl2_vlan_mode [2023-11-12 00:15:22,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl2_vlan_mode [2023-11-12 00:15:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 00:15:22,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 00:15:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:15:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:15:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:15:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:15:22,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:15:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-12 00:15:22,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-12 00:15:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:15:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-12 00:15:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-12 00:15:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:15:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:15:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:15:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:15:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:15:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 00:15:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_set_multi [2023-11-12 00:15:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_set_multi [2023-11-12 00:15:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_phy_init [2023-11-12 00:15:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_phy_init [2023-11-12 00:15:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 00:15:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 00:15:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_configure [2023-11-12 00:15:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_configure [2023-11-12 00:15:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_reset_hw [2023-11-12 00:15:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_reset_hw [2023-11-12 00:15:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-12 00:15:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-12 00:15:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-12 00:15:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-12 00:15:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_open [2023-11-12 00:15:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_open [2023-11-12 00:15:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:15:22,467 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:15:22,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 00:15:22,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 00:15:22,467 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_validate_option [2023-11-12 00:15:22,468 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_validate_option [2023-11-12 00:15:22,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_stats_lock_of_atl2_adapter [2023-11-12 00:15:22,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_stats_lock_of_atl2_adapter [2023-11-12 00:15:22,468 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 00:15:22,468 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 00:15:22,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:15:22,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:15:22,468 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_intr [2023-11-12 00:15:22,468 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_intr [2023-11-12 00:15:22,468 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-12 00:15:22,469 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-12 00:15:22,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:15:22,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:15:22,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:15:22,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:15:22,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:15:22,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:15:22,469 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-12 00:15:22,469 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-12 00:15:22,470 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-12 00:15:22,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 00:15:22,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 00:15:22,470 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_remove [2023-11-12 00:15:22,470 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_remove [2023-11-12 00:15:22,470 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_read_eeprom [2023-11-12 00:15:22,470 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_read_eeprom [2023-11-12 00:15:22,470 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-12 00:15:22,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-12 00:15:22,471 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-12 00:15:22,471 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-12 00:15:22,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:15:22,471 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:15:22,471 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_request_irq [2023-11-12 00:15:22,471 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_request_irq [2023-11-12 00:15:22,471 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 00:15:22,471 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 00:15:22,471 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_read_phy_reg [2023-11-12 00:15:22,471 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_read_phy_reg [2023-11-12 00:15:22,472 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2023-11-12 00:15:22,472 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2023-11-12 00:15:22,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:15:22,472 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 00:15:22,472 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 00:15:22,472 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-12 00:15:22,472 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-12 00:15:22,472 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 00:15:22,472 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 00:15:22,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:15:22,473 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-12 00:15:22,473 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-12 00:15:22,473 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_suspend [2023-11-12 00:15:22,473 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_suspend [2023-11-12 00:15:22,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:15:22,473 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:15:22,478 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:15:22,479 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_reinit_locked [2023-11-12 00:15:22,479 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_reinit_locked [2023-11-12 00:15:22,479 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:15:22,479 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:15:22,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:15:22,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:15:22,479 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-12 00:15:22,479 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-12 00:15:22,480 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_resume [2023-11-12 00:15:22,480 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_resume [2023-11-12 00:15:22,480 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 00:15:22,480 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 00:15:22,480 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-12 00:15:22,480 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-12 00:15:22,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_77 [2023-11-12 00:15:22,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_77 [2023-11-12 00:15:22,480 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:15:22,481 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:15:22,481 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:15:22,481 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:15:22,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:15:22,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:15:22,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:15:22,481 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_regs_len [2023-11-12 00:15:22,481 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_regs_len [2023-11-12 00:15:22,481 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_check_eeprom_exist [2023-11-12 00:15:22,482 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_check_eeprom_exist [2023-11-12 00:15:22,482 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-12 00:15:22,482 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-12 00:15:22,482 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_restore_vlan [2023-11-12 00:15:22,482 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_restore_vlan [2023-11-12 00:15:22,482 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-12 00:15:22,482 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-12 00:15:22,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_78 [2023-11-12 00:15:22,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_78 [2023-11-12 00:15:22,483 INFO L130 BoogieDeclarations]: Found specification of procedure init_ring_ptrs [2023-11-12 00:15:22,483 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ring_ptrs [2023-11-12 00:15:22,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-12 00:15:22,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-12 00:15:22,483 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-11-12 00:15:22,483 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-11-12 00:15:22,483 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_free_ring_resources [2023-11-12 00:15:22,483 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_free_ring_resources [2023-11-12 00:15:22,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:15:22,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:15:22,484 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_down [2023-11-12 00:15:22,484 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_down [2023-11-12 00:15:22,484 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-12 00:15:22,484 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-12 00:15:22,484 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-12 00:15:22,484 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-12 00:15:22,484 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-12 00:15:22,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-12 00:15:22,485 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-12 00:15:22,485 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-12 00:15:22,485 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_init_hw [2023-11-12 00:15:22,485 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_init_hw [2023-11-12 00:15:22,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:15:22,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:15:22,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:15:22,485 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-12 00:15:23,467 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:15:23,472 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:15:23,627 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:15:31,507 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:15:32,075 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:15:37,193 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:15:37,193 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-12 00:15:37,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:15:37 BoogieIcfgContainer [2023-11-12 00:15:37,200 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:15:37,203 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:15:37,203 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:15:37,206 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:15:37,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:15:16" (1/3) ... [2023-11-12 00:15:37,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d00213d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:15:37, skipping insertion in model container [2023-11-12 00:15:37,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:21" (2/3) ... [2023-11-12 00:15:37,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d00213d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:15:37, skipping insertion in model container [2023-11-12 00:15:37,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:15:37" (3/3) ... [2023-11-12 00:15:37,210 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2023-11-12 00:15:37,234 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:15:37,234 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-12 00:15:37,360 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:15:37,373 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;@75f09e26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:15:37,373 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-12 00:15:37,393 INFO L276 IsEmpty]: Start isEmpty. Operand has 1809 states, 1043 states have (on average 1.25503355704698) internal successors, (1309), 1065 states have internal predecessors, (1309), 643 states have call successors, (643), 121 states have call predecessors, (643), 120 states have return successors, (638), 636 states have call predecessors, (638), 638 states have call successors, (638) [2023-11-12 00:15:37,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-12 00:15:37,432 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:15:37,434 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:15:37,434 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 00:15:37,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:15:37,443 INFO L85 PathProgramCache]: Analyzing trace with hash -431377596, now seen corresponding path program 1 times [2023-11-12 00:15:37,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:15:37,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717677622] [2023-11-12 00:15:37,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:15:37,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:15:37,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:15:38,584 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-12 00:15:38,584 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:15:38,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717677622] [2023-11-12 00:15:38,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717677622] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:15:38,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:15:38,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:15:38,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633425801] [2023-11-12 00:15:38,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:15:38,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:15:38,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:15:38,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:15:38,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:15:38,693 INFO L87 Difference]: Start difference. First operand has 1809 states, 1043 states have (on average 1.25503355704698) internal successors, (1309), 1065 states have internal predecessors, (1309), 643 states have call successors, (643), 121 states have call predecessors, (643), 120 states have return successors, (638), 636 states have call predecessors, (638), 638 states have call successors, (638) Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-12 00:15:47,230 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 00:15:50,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:15:50,502 INFO L93 Difference]: Finished difference Result 5307 states and 7695 transitions. [2023-11-12 00:15:50,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:15:50,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 147 [2023-11-12 00:15:50,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:15:50,554 INFO L225 Difference]: With dead ends: 5307 [2023-11-12 00:15:50,554 INFO L226 Difference]: Without dead ends: 3515 [2023-11-12 00:15:50,571 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 00:15:50,575 INFO L413 NwaCegarLoop]: 2239 mSDtfsCounter, 2480 mSDsluCounter, 2193 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2480 SdHoareTripleChecker+Valid, 4432 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2023-11-12 00:15:50,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2480 Valid, 4432 Invalid, 723 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 719 Invalid, 1 Unknown, 0 Unchecked, 11.4s Time] [2023-11-12 00:15:50,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3515 states. [2023-11-12 00:15:50,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3515 to 3511. [2023-11-12 00:15:50,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3511 states, 2038 states have (on average 1.2497546614327772) internal successors, (2547), 2080 states have internal predecessors, (2547), 1233 states have call successors, (1233), 238 states have call predecessors, (1233), 237 states have return successors, (1230), 1226 states have call predecessors, (1230), 1230 states have call successors, (1230) [2023-11-12 00:15:50,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3511 states to 3511 states and 5010 transitions. [2023-11-12 00:15:50,931 INFO L78 Accepts]: Start accepts. Automaton has 3511 states and 5010 transitions. Word has length 147 [2023-11-12 00:15:50,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:15:50,933 INFO L495 AbstractCegarLoop]: Abstraction has 3511 states and 5010 transitions. [2023-11-12 00:15:50,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-12 00:15:50,933 INFO L276 IsEmpty]: Start isEmpty. Operand 3511 states and 5010 transitions. [2023-11-12 00:15:50,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-12 00:15:50,940 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:15:50,940 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:15:50,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:15:50,941 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 00:15:50,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:15:50,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1903004331, now seen corresponding path program 1 times [2023-11-12 00:15:50,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:15:50,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409685828] [2023-11-12 00:15:50,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:15:50,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:15:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:15:51,278 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-12 00:15:51,278 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:15:51,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409685828] [2023-11-12 00:15:51,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409685828] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:15:51,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:15:51,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:15:51,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065407410] [2023-11-12 00:15:51,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:15:51,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:15:51,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:15:51,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:15:51,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:15:51,282 INFO L87 Difference]: Start difference. First operand 3511 states and 5010 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, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-12 00:15:54,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:15:56,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:15:59,927 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 []