./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_f5bf0f2e-5cbe-4299-90d7-5255861543b6/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5bf0f2e-5cbe-4299-90d7-5255861543b6/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5bf0f2e-5cbe-4299-90d7-5255861543b6/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5bf0f2e-5cbe-4299-90d7-5255861543b6/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5bf0f2e-5cbe-4299-90d7-5255861543b6/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5bf0f2e-5cbe-4299-90d7-5255861543b6/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8ced8072e726df9636846e62f3ac2249f60e5953eb5c965606e402590bf54d90 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:07:40,553 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:07:40,691 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5bf0f2e-5cbe-4299-90d7-5255861543b6/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-25 00:07:40,699 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:07:40,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:07:40,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:07:40,756 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:07:40,757 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:07:40,758 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:07:40,764 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:07:40,765 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:07:40,765 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:07:40,766 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:07:40,767 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:07:40,768 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:07:40,768 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:07:40,769 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:07:40,769 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:07:40,770 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:07:40,770 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:07:40,771 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:07:40,771 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:07:40,773 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:07:40,773 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:07:40,774 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:07:40,774 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:07:40,775 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:07:40,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:07:40,775 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:07:40,776 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:07:40,777 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:07:40,778 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:07:40,778 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:07:40,778 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:07:40,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:07:40,779 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:07:40,779 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:07:40,780 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:07:40,780 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:07:40,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:07:40,781 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:07:40,781 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:07:40,782 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:07:40,782 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:07:40,783 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_f5bf0f2e-5cbe-4299-90d7-5255861543b6/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5bf0f2e-5cbe-4299-90d7-5255861543b6/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ced8072e726df9636846e62f3ac2249f60e5953eb5c965606e402590bf54d90 [2023-11-25 00:07:41,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:07:41,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:07:41,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:07:41,168 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:07:41,169 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:07:41,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5bf0f2e-5cbe-4299-90d7-5255861543b6/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i [2023-11-25 00:07:44,465 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:07:45,796 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:07:45,797 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5bf0f2e-5cbe-4299-90d7-5255861543b6/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i [2023-11-25 00:07:45,956 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5bf0f2e-5cbe-4299-90d7-5255861543b6/bin/utaipan-verify-SwPr7d2a91/data/ec26cbc9d/b11cded34cd14bb6ae5d7dfe0beea576/FLAG6bf79fef8 [2023-11-25 00:07:46,045 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5bf0f2e-5cbe-4299-90d7-5255861543b6/bin/utaipan-verify-SwPr7d2a91/data/ec26cbc9d/b11cded34cd14bb6ae5d7dfe0beea576 [2023-11-25 00:07:46,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:07:46,066 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:07:46,069 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:07:46,069 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:07:46,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:07:46,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:07:46" (1/1) ... [2023-11-25 00:07:46,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e8f2d4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:46, skipping insertion in model container [2023-11-25 00:07:46,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:07:46" (1/1) ... [2023-11-25 00:07:46,774 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:07:50,462 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_f5bf0f2e-5cbe-4299-90d7-5255861543b6/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i[281164,281177] [2023-11-25 00:08:01,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:08:01,429 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:08:01,628 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6616] [2023-11-25 00:08:01,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [6623] [2023-11-25 00:08:01,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6630-6631] [2023-11-25 00:08:01,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr)); [6638] [2023-11-25 00:08:01,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr)); [6645] [2023-11-25 00:08:01,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [6658-6659] [2023-11-25 00:08:01,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("661:\n\tcall __sw_hweight64\n662:\n.section .altinstructions,\"a\"\n .balign 8 \n .quad 661b\n .quad 663f\n\t .word (4*32+23)\n\t .byte 662b-661b\n\t .byte 664f-663f\n.previous\n.section .discard,\"aw\",@progbits\n\t .byte 0xff + (664f-663f) - (662b-661b)\n.previous\n.section .altinstr_replacement, \"ax\"\n663:\n\t.byte 0xf3,0x48,0x0f,0xb8,0xc7\n664:\n.previous": "=a" (res): "D" (w)); [6670] [2023-11-25 00:08:01,638 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6743] [2023-11-25 00:08:01,639 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6745] [2023-11-25 00:08:01,639 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6747] [2023-11-25 00:08:01,639 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6750] [2023-11-25 00:08:01,640 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; addl %1,%0": "+m" (v->counter): "ir" (i)); [6768] [2023-11-25 00:08:01,640 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; incl %0": "+m" (v->counter)); [6775] [2023-11-25 00:08:01,641 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [6782-6783] [2023-11-25 00:08:01,641 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; xaddl %0, %1": "+r" (i), "+m" (v->counter): : "memory"); [6791-6792] [2023-11-25 00:08:01,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [6815] [2023-11-25 00:08:01,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [6817] [2023-11-25 00:08:01,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [6819] [2023-11-25 00:08:01,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [6822] [2023-11-25 00:08:01,648 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6959] [2023-11-25 00:08:01,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6968] [2023-11-25 00:08:01,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6971] [2023-11-25 00:08:01,691 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (215), "i" (12UL)); [7465-7466] [2023-11-25 00:08:01,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7535] [2023-11-25 00:08:01,698 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (288), "i" (12UL)); [7612-7613] [2023-11-25 00:08:01,699 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (296), "i" (12UL)); [7630-7631] [2023-11-25 00:08:01,701 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (377), "i" (12UL)); [7750-7751] [2023-11-25 00:08:01,702 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (378), "i" (12UL)); [7767-7768] [2023-11-25 00:08:01,848 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_f5bf0f2e-5cbe-4299-90d7-5255861543b6/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i[281164,281177] [2023-11-25 00:08:01,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10238] [2023-11-25 00:08:01,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; subl %1,%0": "+m" (v->counter): "ir" (i)); [10932] [2023-11-25 00:08:01,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; decl %0": "+m" (v->counter)); [10939] [2023-11-25 00:08:01,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10957] [2023-11-25 00:08:01,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10960] [2023-11-25 00:08:01,876 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10964] [2023-11-25 00:08:01,876 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10967] [2023-11-25 00:08:01,878 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/scatterlist.h"), "i" (63), "i" (12UL)); [11052-11053] [2023-11-25 00:08:01,879 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/scatterlist.h"), "i" (65), "i" (12UL)); [11062-11063] [2023-11-25 00:08:01,879 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/scatterlist.h"), "i" (66), "i" (12UL)); [11072-11073] [2023-11-25 00:08:01,890 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [11202] [2023-11-25 00:08:01,896 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___0) [11393] [2023-11-25 00:08:01,950 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_worker.c.p"), "i" (645), "i" (12UL)); [12544-12545] [2023-11-25 00:08:02,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [14656-14657] [2023-11-25 00:08:02,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [14664] [2023-11-25 00:08:02,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [14671] [2023-11-25 00:08:02,029 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/scatterlist.h"), "i" (63), "i" (12UL)); [14807-14808] [2023-11-25 00:08:02,030 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/scatterlist.h"), "i" (65), "i" (12UL)); [14817-14818] [2023-11-25 00:08:02,030 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/scatterlist.h"), "i" (66), "i" (12UL)); [14827-14828] [2023-11-25 00:08:02,040 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___0) [15158] [2023-11-25 00:08:02,078 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 *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_req.h"), "i" (229), "i" (12UL)); [15464-15465] [2023-11-25 00:08:02,079 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 *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_req.h"), "i" (238), "i" (12UL)); [15480-15481] [2023-11-25 00:08:02,082 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 *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_vli.h"), "i" (162), "i" (12UL)); [15614-15615] [2023-11-25 00:08:02,085 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (88), "i" (12UL)); [15703-15704] [2023-11-25 00:08:02,086 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (89), "i" (12UL)); [15714-15715] [2023-11-25 00:08:02,088 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (145), "i" (12UL)); [15814-15815] [2023-11-25 00:08:02,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [17009] [2023-11-25 00:08:02,144 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___1) [17496] [2023-11-25 00:08:02,153 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___8) [17884] [2023-11-25 00:08:02,180 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (1719), "i" (12UL)); [18683-18684] [2023-11-25 00:08:02,181 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (1720), "i" (12UL)); [18694-18695] [2023-11-25 00:08:02,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (disk->part0.dkstats)); [18949] [2023-11-25 00:08:02,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___0): "0" (disk->part0.dkstats)); [18966] [2023-11-25 00:08:02,438 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 *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_req.h"), "i" (229), "i" (12UL)); [24791-24792] [2023-11-25 00:08:02,439 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 *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_req.h"), "i" (238), "i" (12UL)); [24807-24808] [2023-11-25 00:08:02,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [24929] [2023-11-25 00:08:02,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [24931] [2023-11-25 00:08:02,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [24934] [2023-11-25 00:08:02,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [24936] [2023-11-25 00:08:02,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" ((mdev->vdisk)->part0.dkstats)); [24948] [2023-11-25 00:08:02,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___0): "0" (tmp->part0.dkstats)); [24954] [2023-11-25 00:08:02,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___1): "0" ((mdev->vdisk)->part0.dkstats)); [24960] [2023-11-25 00:08:02,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___2): "0" (tmp___0->part0.dkstats)); [24966] [2023-11-25 00:08:02,447 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [24999] [2023-11-25 00:08:02,448 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [25001] [2023-11-25 00:08:02,448 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [25004] [2023-11-25 00:08:02,448 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [25006] [2023-11-25 00:08:02,448 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" ((mdev->vdisk)->part0.dkstats)); [25018] [2023-11-25 00:08:02,449 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___0): "0" (tmp->part0.dkstats)); [25024] [2023-11-25 00:08:02,460 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_req.c.p"), "i" (347), "i" (12UL)); [25405-25406] [2023-11-25 00:08:02,462 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_req.c.p"), "i" (365), "i" (12UL)); [25447-25448] [2023-11-25 00:08:02,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [27020] [2023-11-25 00:08:02,589 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_actlog.c.p"), "i" (123), "i" (12UL)); [27182-27183] [2023-11-25 00:08:02,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_actlog.c.p"), "i" (911), "i" (12UL)); [28638-28639] [2023-11-25 00:08:02,639 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_actlog.c.p"), "i" (1068), "i" (12UL)); [29027-29028] [2023-11-25 00:08:02,651 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 *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_int.h"), "i" (594), "i" (12UL)); [29601-29602] [2023-11-25 00:08:02,652 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 *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_int.h"), "i" (619), "i" (12UL)); [29630-29631] [2023-11-25 00:08:02,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [33181] [2023-11-25 00:08:02,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [33377] [2023-11-25 00:08:03,091 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___4) [34891] [2023-11-25 00:08:03,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [37077] [2023-11-25 00:08:03,821 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___5) [48824] [2023-11-25 00:08:03,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:08:04,354 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:08:04,354 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:08:04,354 WARN L675 CHandler]: The function __bad_unaligned_access_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:08:04,354 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:08:04,354 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:08:04,363 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:08:04,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:04 WrapperNode [2023-11-25 00:08:04,364 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:08:04,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:08:04,366 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:08:04,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:08:04,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:04" (1/1) ... [2023-11-25 00:08:04,825 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:04" (1/1) ... [2023-11-25 00:08:05,096 INFO L138 Inliner]: procedures = 895, calls = 21412, calls flagged for inlining = 343, calls inlined = 11, statements flattened = 3200 [2023-11-25 00:08:05,097 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:08:05,098 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:08:05,098 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:08:05,098 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:08:05,125 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:04" (1/1) ... [2023-11-25 00:08:05,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:04" (1/1) ... [2023-11-25 00:08:05,160 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:04" (1/1) ... [2023-11-25 00:08:05,161 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:04" (1/1) ... [2023-11-25 00:08:05,268 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:04" (1/1) ... [2023-11-25 00:08:05,297 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:04" (1/1) ... [2023-11-25 00:08:05,332 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:04" (1/1) ... [2023-11-25 00:08:05,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:04" (1/1) ... [2023-11-25 00:08:05,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:08:05,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:08:05,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:08:05,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:08:05,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:04" (1/1) ... [2023-11-25 00:08:05,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:08:05,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5bf0f2e-5cbe-4299-90d7-5255861543b6/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:08:05,474 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5bf0f2e-5cbe-4299-90d7-5255861543b6/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:08:05,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5bf0f2e-5cbe-4299-90d7-5255861543b6/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:08:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:08:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:08:05,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:08:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:08:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-11-25 00:08:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-11-25 00:08:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure drbd_proc_open [2023-11-25 00:08:05,591 INFO L138 BoogieDeclarations]: Found implementation of procedure drbd_proc_open [2023-11-25 00:08:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2023-11-25 00:08:05,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2023-11-25 00:08:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-25 00:08:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-25 00:08:05,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-25 00:08:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2023-11-25 00:08:05,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2023-11-25 00:08:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure drbd_proc_release [2023-11-25 00:08:05,592 INFO L138 BoogieDeclarations]: Found implementation of procedure drbd_proc_release [2023-11-25 00:08:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:08:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:08:06,184 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:08:06,187 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:08:06,377 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-25 00:08:14,673 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2023-11-25 00:08:14,674 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2023-11-25 00:08:14,713 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:08:15,319 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:08:15,319 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-25 00:08:15,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:08:15 BoogieIcfgContainer [2023-11-25 00:08:15,321 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:08:15,324 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:08:15,324 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:08:15,327 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:08:15,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:07:46" (1/3) ... [2023-11-25 00:08:15,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@305bf61d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:08:15, skipping insertion in model container [2023-11-25 00:08:15,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:04" (2/3) ... [2023-11-25 00:08:15,329 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@305bf61d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:08:15, skipping insertion in model container [2023-11-25 00:08:15,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:08:15" (3/3) ... [2023-11-25 00:08:15,330 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i [2023-11-25 00:08:15,350 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:08:15,351 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:08:15,410 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:08:15,419 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;@68dfe742, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:08:15,420 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:08:15,425 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 31 states have internal predecessors, (39), 7 states have call successors, (7), 6 states have call predecessors, (7), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-25 00:08:15,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-25 00:08:15,433 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:08:15,434 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:08:15,435 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:08:15,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:08:15,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1139268334, now seen corresponding path program 1 times [2023-11-25 00:08:15,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:08:15,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267225925] [2023-11-25 00:08:15,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:15,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:08:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:08:17,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:08:17,633 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:08:17,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267225925] [2023-11-25 00:08:17,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267225925] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:08:17,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:08:17,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:08:17,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720907593] [2023-11-25 00:08:17,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:08:17,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:08:17,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:08:17,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:08:17,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:08:17,673 INFO L87 Difference]: Start difference. First operand has 43 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 31 states have internal predecessors, (39), 7 states have call successors, (7), 6 states have call predecessors, (7), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:08:19,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:08:19,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:08:19,747 INFO L93 Difference]: Finished difference Result 116 states and 155 transitions. [2023-11-25 00:08:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:08:19,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-25 00:08:19,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:08:19,760 INFO L225 Difference]: With dead ends: 116 [2023-11-25 00:08:19,761 INFO L226 Difference]: Without dead ends: 70 [2023-11-25 00:08:19,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:08:19,767 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 34 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:08:19,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 81 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-25 00:08:19,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-25 00:08:19,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 63. [2023-11-25 00:08:19,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 45 states have internal predecessors, (59), 10 states have call successors, (10), 9 states have call predecessors, (10), 8 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-25 00:08:19,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 77 transitions. [2023-11-25 00:08:19,815 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 77 transitions. Word has length 8 [2023-11-25 00:08:19,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:08:19,816 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 77 transitions. [2023-11-25 00:08:19,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:08:19,817 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2023-11-25 00:08:19,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-25 00:08:19,818 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:08:19,818 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:08:19,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:08:19,819 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:08:19,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:08:19,819 INFO L85 PathProgramCache]: Analyzing trace with hash 317027334, now seen corresponding path program 1 times [2023-11-25 00:08:19,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:08:19,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963777597] [2023-11-25 00:08:19,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:19,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:08:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:08:21,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:08:21,545 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:08:21,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963777597] [2023-11-25 00:08:21,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963777597] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:08:21,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:08:21,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:08:21,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707510984] [2023-11-25 00:08:21,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:08:21,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:08:21,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:08:21,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:08:21,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:08:21,549 INFO L87 Difference]: Start difference. First operand 63 states and 77 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:08:23,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:08:23,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:08:23,808 INFO L93 Difference]: Finished difference Result 118 states and 151 transitions. [2023-11-25 00:08:23,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:08:23,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-11-25 00:08:23,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:08:23,810 INFO L225 Difference]: With dead ends: 118 [2023-11-25 00:08:23,811 INFO L226 Difference]: Without dead ends: 55 [2023-11-25 00:08:23,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:08:23,813 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 9 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-25 00:08:23,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 71 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-25 00:08:23,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-25 00:08:23,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 54. [2023-11-25 00:08:23,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 7 states have call successors, (7), 6 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-25 00:08:23,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2023-11-25 00:08:23,822 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 17 [2023-11-25 00:08:23,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:08:23,823 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2023-11-25 00:08:23,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:08:23,823 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2023-11-25 00:08:23,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-25 00:08:23,824 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:08:23,824 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:08:23,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-25 00:08:23,825 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:08:23,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:08:23,826 INFO L85 PathProgramCache]: Analyzing trace with hash 105623326, now seen corresponding path program 1 times [2023-11-25 00:08:23,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:08:23,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203341634] [2023-11-25 00:08:23,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:23,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:08:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:08:26,581 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:08:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:08:28,281 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-25 00:08:28,281 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:08:28,282 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-25 00:08:28,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-25 00:08:28,288 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-25 00:08:28,293 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:08:28,404 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret1076 could not be translated [2023-11-25 00:08:28,408 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret1083 could not be translated [2023-11-25 00:08:28,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:08:28 BoogieIcfgContainer [2023-11-25 00:08:28,428 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:08:28,429 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:08:28,429 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:08:28,429 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:08:28,430 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:08:15" (3/4) ... [2023-11-25 00:08:28,432 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-25 00:08:28,433 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:08:28,437 INFO L158 Benchmark]: Toolchain (without parser) took 42368.33ms. Allocated memory was 151.0MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 100.2MB in the beginning and 365.8MB in the end (delta: -265.6MB). Peak memory consumption was 918.8MB. Max. memory is 16.1GB. [2023-11-25 00:08:28,443 INFO L158 Benchmark]: CDTParser took 1.54ms. Allocated memory is still 123.7MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:08:28,443 INFO L158 Benchmark]: CACSL2BoogieTranslator took 18295.68ms. Allocated memory was 151.0MB in the beginning and 400.6MB in the end (delta: 249.6MB). Free memory was 100.2MB in the beginning and 121.9MB in the end (delta: -21.7MB). Peak memory consumption was 286.1MB. Max. memory is 16.1GB. [2023-11-25 00:08:28,444 INFO L158 Benchmark]: Boogie Procedure Inliner took 731.83ms. Allocated memory was 400.6MB in the beginning and 780.1MB in the end (delta: 379.6MB). Free memory was 121.9MB in the beginning and 525.6MB in the end (delta: -403.7MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-25 00:08:28,444 INFO L158 Benchmark]: Boogie Preprocessor took 304.44ms. Allocated memory is still 780.1MB. Free memory was 525.6MB in the beginning and 513.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-25 00:08:28,447 INFO L158 Benchmark]: RCFGBuilder took 9917.79ms. Allocated memory was 780.1MB in the beginning and 1.3GB in the end (delta: 555.7MB). Free memory was 513.1MB in the beginning and 531.9MB in the end (delta: -18.8MB). Peak memory consumption was 593.5MB. Max. memory is 16.1GB. [2023-11-25 00:08:28,447 INFO L158 Benchmark]: TraceAbstraction took 13104.44ms. Allocated memory is still 1.3GB. Free memory was 531.9MB in the beginning and 365.8MB in the end (delta: 166.1MB). Peak memory consumption was 166.1MB. Max. memory is 16.1GB. [2023-11-25 00:08:28,448 INFO L158 Benchmark]: Witness Printer took 4.46ms. Allocated memory is still 1.3GB. Free memory is still 365.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:08:28,450 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.54ms. Allocated memory is still 123.7MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 18295.68ms. Allocated memory was 151.0MB in the beginning and 400.6MB in the end (delta: 249.6MB). Free memory was 100.2MB in the beginning and 121.9MB in the end (delta: -21.7MB). Peak memory consumption was 286.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 731.83ms. Allocated memory was 400.6MB in the beginning and 780.1MB in the end (delta: 379.6MB). Free memory was 121.9MB in the beginning and 525.6MB in the end (delta: -403.7MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 304.44ms. Allocated memory is still 780.1MB. Free memory was 525.6MB in the beginning and 513.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 9917.79ms. Allocated memory was 780.1MB in the beginning and 1.3GB in the end (delta: 555.7MB). Free memory was 513.1MB in the beginning and 531.9MB in the end (delta: -18.8MB). Peak memory consumption was 593.5MB. Max. memory is 16.1GB. * TraceAbstraction took 13104.44ms. Allocated memory is still 1.3GB. Free memory was 531.9MB in the beginning and 365.8MB in the end (delta: 166.1MB). Peak memory consumption was 166.1MB. Max. memory is 16.1GB. * Witness Printer took 4.46ms. Allocated memory is still 1.3GB. Free memory is still 365.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 6616]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6616] - GenericResultAtLocation [Line: 6623]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [6623] - GenericResultAtLocation [Line: 6630]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6630-6631] - GenericResultAtLocation [Line: 6638]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr)); [6638] - GenericResultAtLocation [Line: 6645]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr)); [6645] - GenericResultAtLocation [Line: 6658]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [6658-6659] - GenericResultAtLocation [Line: 6670]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("661:\n\tcall __sw_hweight64\n662:\n.section .altinstructions,\"a\"\n .balign 8 \n .quad 661b\n .quad 663f\n\t .word (4*32+23)\n\t .byte 662b-661b\n\t .byte 664f-663f\n.previous\n.section .discard,\"aw\",@progbits\n\t .byte 0xff + (664f-663f) - (662b-661b)\n.previous\n.section .altinstr_replacement, \"ax\"\n663:\n\t.byte 0xf3,0x48,0x0f,0xb8,0xc7\n664:\n.previous": "=a" (res): "D" (w)); [6670] - GenericResultAtLocation [Line: 6743]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6743] - GenericResultAtLocation [Line: 6745]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6745] - GenericResultAtLocation [Line: 6747]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6747] - GenericResultAtLocation [Line: 6750]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6750] - GenericResultAtLocation [Line: 6768]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; addl %1,%0": "+m" (v->counter): "ir" (i)); [6768] - GenericResultAtLocation [Line: 6775]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; incl %0": "+m" (v->counter)); [6775] - GenericResultAtLocation [Line: 6782]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [6782-6783] - GenericResultAtLocation [Line: 6791]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; xaddl %0, %1": "+r" (i), "+m" (v->counter): : "memory"); [6791-6792] - GenericResultAtLocation [Line: 6815]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [6815] - GenericResultAtLocation [Line: 6817]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [6817] - GenericResultAtLocation [Line: 6819]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [6819] - GenericResultAtLocation [Line: 6822]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [6822] - GenericResultAtLocation [Line: 6959]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6959] - GenericResultAtLocation [Line: 6968]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6968] - GenericResultAtLocation [Line: 6971]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6971] - GenericResultAtLocation [Line: 7465]: 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (215), "i" (12UL)); [7465-7466] - GenericResultAtLocation [Line: 7535]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7535] - GenericResultAtLocation [Line: 7612]: 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (288), "i" (12UL)); [7612-7613] - GenericResultAtLocation [Line: 7630]: 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (296), "i" (12UL)); [7630-7631] - GenericResultAtLocation [Line: 7750]: 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (377), "i" (12UL)); [7750-7751] - GenericResultAtLocation [Line: 7767]: 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (378), "i" (12UL)); [7767-7768] - GenericResultAtLocation [Line: 10238]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10238] - GenericResultAtLocation [Line: 10932]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; subl %1,%0": "+m" (v->counter): "ir" (i)); [10932] - GenericResultAtLocation [Line: 10939]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; decl %0": "+m" (v->counter)); [10939] - GenericResultAtLocation [Line: 10957]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10957] - GenericResultAtLocation [Line: 10960]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10960] - GenericResultAtLocation [Line: 10964]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10964] - GenericResultAtLocation [Line: 10967]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10967] - GenericResultAtLocation [Line: 11052]: 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/scatterlist.h"), "i" (63), "i" (12UL)); [11052-11053] - GenericResultAtLocation [Line: 11062]: 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/scatterlist.h"), "i" (65), "i" (12UL)); [11062-11063] - GenericResultAtLocation [Line: 11072]: 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/scatterlist.h"), "i" (66), "i" (12UL)); [11072-11073] - GenericResultAtLocation [Line: 11202]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [11202] - GenericResultAtLocation [Line: 11393]: Unsoundness Warning ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___0) [11393] - GenericResultAtLocation [Line: 12544]: 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_worker.c.p"), "i" (645), "i" (12UL)); [12544-12545] - GenericResultAtLocation [Line: 14656]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [14656-14657] - GenericResultAtLocation [Line: 14664]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [14664] - GenericResultAtLocation [Line: 14671]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [14671] - GenericResultAtLocation [Line: 14807]: 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/scatterlist.h"), "i" (63), "i" (12UL)); [14807-14808] - GenericResultAtLocation [Line: 14817]: 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/scatterlist.h"), "i" (65), "i" (12UL)); [14817-14818] - GenericResultAtLocation [Line: 14827]: 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/scatterlist.h"), "i" (66), "i" (12UL)); [14827-14828] - GenericResultAtLocation [Line: 15158]: Unsoundness Warning ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___0) [15158] - GenericResultAtLocation [Line: 15464]: 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 *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_req.h"), "i" (229), "i" (12UL)); [15464-15465] - GenericResultAtLocation [Line: 15480]: 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 *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_req.h"), "i" (238), "i" (12UL)); [15480-15481] - GenericResultAtLocation [Line: 15614]: 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 *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_vli.h"), "i" (162), "i" (12UL)); [15614-15615] - GenericResultAtLocation [Line: 15703]: 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (88), "i" (12UL)); [15703-15704] - GenericResultAtLocation [Line: 15714]: 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (89), "i" (12UL)); [15714-15715] - GenericResultAtLocation [Line: 15814]: 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (145), "i" (12UL)); [15814-15815] - GenericResultAtLocation [Line: 17009]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [17009] - GenericResultAtLocation [Line: 17496]: Unsoundness Warning ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___1) [17496] - GenericResultAtLocation [Line: 17884]: Unsoundness Warning ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___8) [17884] - GenericResultAtLocation [Line: 18683]: 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (1719), "i" (12UL)); [18683-18684] - GenericResultAtLocation [Line: 18694]: 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (1720), "i" (12UL)); [18694-18695] - GenericResultAtLocation [Line: 18949]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (disk->part0.dkstats)); [18949] - GenericResultAtLocation [Line: 18966]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___0): "0" (disk->part0.dkstats)); [18966] - GenericResultAtLocation [Line: 24791]: 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 *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_req.h"), "i" (229), "i" (12UL)); [24791-24792] - GenericResultAtLocation [Line: 24807]: 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 *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_req.h"), "i" (238), "i" (12UL)); [24807-24808] - GenericResultAtLocation [Line: 24929]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [24929] - GenericResultAtLocation [Line: 24931]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [24931] - GenericResultAtLocation [Line: 24934]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [24934] - GenericResultAtLocation [Line: 24936]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [24936] - GenericResultAtLocation [Line: 24948]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" ((mdev->vdisk)->part0.dkstats)); [24948] - GenericResultAtLocation [Line: 24954]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___0): "0" (tmp->part0.dkstats)); [24954] - GenericResultAtLocation [Line: 24960]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___1): "0" ((mdev->vdisk)->part0.dkstats)); [24960] - GenericResultAtLocation [Line: 24966]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___2): "0" (tmp___0->part0.dkstats)); [24966] - GenericResultAtLocation [Line: 24999]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [24999] - GenericResultAtLocation [Line: 25001]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [25001] - GenericResultAtLocation [Line: 25004]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [25004] - GenericResultAtLocation [Line: 25006]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [25006] - GenericResultAtLocation [Line: 25018]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" ((mdev->vdisk)->part0.dkstats)); [25018] - GenericResultAtLocation [Line: 25024]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___0): "0" (tmp->part0.dkstats)); [25024] - GenericResultAtLocation [Line: 25405]: 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_req.c.p"), "i" (347), "i" (12UL)); [25405-25406] - GenericResultAtLocation [Line: 25447]: 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_req.c.p"), "i" (365), "i" (12UL)); [25447-25448] - GenericResultAtLocation [Line: 27020]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [27020] - GenericResultAtLocation [Line: 27182]: 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_actlog.c.p"), "i" (123), "i" (12UL)); [27182-27183] - GenericResultAtLocation [Line: 28638]: 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_actlog.c.p"), "i" (911), "i" (12UL)); [28638-28639] - GenericResultAtLocation [Line: 29027]: 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_actlog.c.p"), "i" (1068), "i" (12UL)); [29027-29028] - GenericResultAtLocation [Line: 29601]: 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 *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_int.h"), "i" (594), "i" (12UL)); [29601-29602] - GenericResultAtLocation [Line: 29630]: 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 *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_int.h"), "i" (619), "i" (12UL)); [29630-29631] - GenericResultAtLocation [Line: 33181]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [33181] - GenericResultAtLocation [Line: 33377]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [33377] - GenericResultAtLocation [Line: 34891]: Unsoundness Warning ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___4) [34891] - GenericResultAtLocation [Line: 37077]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [37077] - GenericResultAtLocation [Line: 48824]: Unsoundness Warning ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___5) [48824] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret1076 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret1083 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 10085]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of large string literal at line 30360. Possible FailurePath: [L7002] int fault_rate ; [L10081] int LDV_IN_INTERRUPT ; [L10089] int ldv_module_refcounter = 1; [L10213] struct proc_dir_entry *drbd_proc ; [L10278-L10307] struct file_operations const drbd_proc_fops = {& __this_module, & seq_lseek, & seq_read, (ssize_t (*)(struct file * , char const * , size_t , loff_t * ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, (unsigned int (*)(struct file * , struct poll_table_struct * ))0, (long (*)(struct file * , unsigned int , unsigned long ))0, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & drbd_proc_open, (int (*)(struct file * , fl_owner_t ))0, & drbd_proc_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L11265] rwlock_t global_state_lock ; [L15096] struct page *drbd_pp_pool ; [L22328-L22383] static struct data_cmd drbd_cmd_handler[43U] = { {1, 32UL, & receive_Data}, {1, 32UL, & receive_DataReply}, {1, 32UL, & receive_RSDataReply}, {0, 16UL, & receive_Barrier}, {1, 8UL, & receive_bitmap}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 8UL, & receive_UnplugRemote}, {0, 32UL, & receive_DataRequest}, {0, 32UL, & receive_DataRequest}, {1, 8UL, & receive_SyncParam}, {1, 32UL, & receive_protocol}, {0, 56UL, & receive_uuids}, {0, 40UL, & receive_sizes}, {0, 12UL, & receive_state}, {0, 16UL, & receive_sync_uuid}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 16UL, & receive_req_state}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 32UL, & receive_DataRequest}, {1, 32UL, & receive_DataRequest}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {1, 32UL, & receive_DataRequest}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {1, 8UL, & receive_SyncParam}, {1, 8UL, & receive_bitmap}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 16UL, & receive_skip}, {0, 24UL, & receive_out_of_sync}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}}; [L24430] mempool_t *drbd_request_mempool ; [L29586] int disable_sendpage ; [L29587] int allow_oos ; [L29589] int enable_faults ; [L29591] int fault_devs ; [L29593] struct drbd_conf **minor_table ; [L29657] struct kmem_cache *drbd_request_cache ; [L29658] struct kmem_cache *drbd_ee_cache ; [L29659] struct kmem_cache *drbd_bm_ext_cache ; [L29660] struct kmem_cache *drbd_al_ext_cache ; [L29662] mempool_t *drbd_ee_mempool ; [L29664] spinlock_t drbd_pp_lock ; [L29665] int drbd_pp_vacant ; [L29666] wait_queue_head_t drbd_pp_wait ; [L29669] int proc_details ; [L30357-L30365] static struct mutex drbd_main_mutex = {{1}, {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "drbd_main_mutex.wait_lock", 0, 0UL}}}}, {& drbd_main_mutex.wait_list, & drbd_main_mutex.wait_list}, (struct task_struct *)0, (char const *)0, (void *)(& drbd_main_mutex), {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "drbd_main_mutex", 0, 0UL}}; [L30376] static int fault_count ; [L30377] unsigned int minor_count = 32U; [L30378] unsigned int cn_idx = 8U; [L30379-L30383] char usermode_helper[80U] = { (char )'/', (char )'s', (char )'b', (char )'i', (char )'n', (char )'/', (char )'d', (char )'r', (char )'b', (char )'d', (char )'a', (char )'d', (char )'m', (char )'\000'}; [L30384-L30389] struct ratelimit_state drbd_ratelimit_state = {{{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "drbd_ratelimit_state.lock", 0, 0UL}}}}, 1250, 5, 0, 0, 0UL}; [L30390-L30401] static struct block_device_operations const drbd_ops = {& drbd_open, & drbd_release, (int (*)(struct block_device * , fmode_t , unsigned int , unsigned long ))0, (int (*)(struct block_device * , fmode_t , unsigned int , unsigned long ))0, (int (*)(struct block_device * , sector_t , void ** , unsigned long * ))0, (unsigned int (*)(struct gendisk * , unsigned int ))0, (int (*)(struct gendisk * ))0, (void (*)(struct gendisk * ))0, (int (*)(struct gendisk * ))0, (int (*)(struct block_device * , struct hd_geometry * ))0, (void (*)(struct block_device * , unsigned long ))0, & __this_module}; [L36025] static struct notifier_block drbd_notifier = {& drbd_notify_sys, (struct notifier_block *)0, 0}; [L37468-L37474] static char const *drbd_conn_s_names[24U] = { "StandAlone", "Disconnecting", "Unconnected", "Timeout", "BrokenPipe", "NetworkFailure", "ProtocolError", "TearDown", "WFConnection", "WFReportParams", "Connected", "StartingSyncS", "StartingSyncT", "WFBitMapS", "WFBitMapT", "WFSyncUUID", "SyncSource", "SyncTarget", "VerifyS", "VerifyT", "PausedSyncS", "PausedSyncT", "Ahead", "Behind"}; [L37475] static char const *drbd_role_s_names[3U] = { "Unknown", "Primary", "Secondary"}; [L37476-L37479] static char const *drbd_disk_s_names[9U] = { "Diskless", "Attaching", "Failed", "Negotiating", "Inconsistent", "Outdated", "DUnknown", "Consistent", "UpToDate"}; [L37480-L37485] static char const *drbd_state_sw_errors[20U] = { (char const *)0, "Multiple primaries not allowed by config", "Need access to UpToDate data", (char const *)0, "Can not resync without local disk", "Can not resync without remote disk", "Refusing to be Outdated while Connected", "Refusing to be Primary while peer is not outdated", "Can not start OV/resync since it is already active", "Can not disconnect a StandAlone device", "State change was refused by peer node", "Device is diskless, the requested operation requires a disk", "Device is held open by someone", "Have no net/connection configuration", "Need a verify algorithm to start online verify", "Need a connection to start verify or resync", "Disk state is lower than outdated", "Peer does not support protocol", "In transient state, retry after next state change", "Concurrent state changes detected and aborted"}; [L37804-L37889] static struct tag const tag_descriptions[85U] = { {(char const *)0, 0, 0}, {"primary_force", 32768, 4}, {"disk_size", 16384, 8}, {"backing_dev", 57344, 128}, {"meta_dev", 57344, 128}, {"meta_dev_idx", 8192, 4}, {"on_io_error", 0, 4}, {"fencing", 0, 4}, {"my_addr", 57344, 128}, {"peer_addr", 57344, 128}, {"shared_secret", 49152, 64}, {"cram_hmac_alg", 49152, 64}, {(char const *)0, 0, 0}, {(char const *)0, 0, 0}, {"timeout", 0, 4}, {"wire_protocol", 8192, 4}, {"try_connect_int", 0, 4}, {"ping_int", 0, 4}, {"max_epoch_size", 0, 4}, {"max_buffers", 0, 4}, {"unplug_watermark", 0, 4}, {"sndbuf_size", 0, 4}, {"ko_count", 0, 4}, {(char const *)0, 0, 0}, {"after_sb_0p", 0, 4}, {"after_sb_1p", 0, 4}, {"after_sb_2p", 0, 4}, {"want_lose", 32768, 4}, {"two_primaries", 32768, 4}, {"resize_size", 16384, 8}, {"rate", 0, 4}, {"after", 0, 4}, {"al_extents", 0, 4}, {"state_i", 0, 4}, {"uuids", 49152, 32}, {"uuids_flags", 0, 4}, {"use_degraded", 32768, 4}, {"use_bmbv", 32768, 4}, {"helper", 49152, 32}, {"rr_conflict", 0, 4}, {"ping_timeo", 0, 4}, {"always_asbp", 32768, 4}, {(char const *)0, 0, 0}, {"sync_progress", 0, 4}, {"integrity_alg", 49152, 64}, {"dump_ee_reason", 49152, 32}, {"seen_digest", 49152, 64}, {"calc_digest", 49152, 64}, {"ee_sector", 16384, 8}, {"ee_block_id", 16384, 8}, {"ee_data", 49152, 32768}, {"cpu_mask", 49152, 32}, {"verify_alg", 49152, 64}, {"no_disk_flush", 32768, 4}, {"no_md_flush", 32768, 4}, {(char const *)0, 0, 0}, {"max_bio_bvecs", 0, 4}, {"no_disk_barrier", 32768, 4}, {"no_disk_drain", 32768, 4}, {(char const *)0, 0, 0}, {"mind_af", 40960, 4}, {"no_cork", 32768, 4}, {"auto_sndbuf_size", 40960, 4}, {"clear_bm", 40960, 4}, {"csums_alg", 49152, 64}, {"use_rle", 32768, 4}, {"start_sector", 16384, 8}, {"rcvbuf_size", 0, 4}, {"resize_force", 32768, 4}, {"no_resync", 40960, 4}, {"dry_run", 40960, 4}, {(char const *)0, 0, 0}, {(char const *)0, 0, 0}, {(char const *)0, 0, 0}, {(char const *)0, 0, 0}, {"on_no_data", 0, 4}, {"c_plan_ahead", 0, 4}, {"c_delay_target", 0, 4}, {"c_fill_target", 0, 4}, {"c_max_rate", 0, 4}, {"c_min_rate", 0, 4}, {"on_congestion", 0, 4}, {"cong_fill", 0, 4}, {"cong_extents", 0, 4}, {"force", 32768, 4}}; [L37894] static char *drbd_m_holder = (char *)"Hands off! this is DRBD\'s meta data device."; [L48088-L48121] static struct cn_handler_struct cnd_table[27U] = { {(int (*)(struct drbd_conf * , struct drbd_nl_cfg_req * , struct drbd_nl_cfg_reply * ))0, 0}, {& drbd_nl_primary, 0}, {& drbd_nl_secondary, 0}, {& drbd_nl_disk_conf, 0}, {& drbd_nl_detach, 0}, {& drbd_nl_net_conf, 0}, {& drbd_nl_disconnect, 0}, {& drbd_nl_resize, 0}, {& drbd_nl_syncer_conf, 0}, {& drbd_nl_invalidate, 0}, {& drbd_nl_invalidate_peer, 0}, {& drbd_nl_pause_sync, 0}, {& drbd_nl_resume_sync, 0}, {& drbd_nl_suspend_io, 0}, {& drbd_nl_resume_io, 0}, {& drbd_nl_outdate, 0}, {& drbd_nl_get_config, 1312}, {& drbd_nl_get_state, 16}, {& drbd_nl_get_uuids, 48}, {& drbd_nl_get_timeout_flag, 8}, {(int (*)(struct drbd_conf * , struct drbd_nl_cfg_req * , struct drbd_nl_cfg_reply * ))0, 0}, {(int (*)(struct drbd_conf * , struct drbd_nl_cfg_req * , struct drbd_nl_cfg_reply * ))0, 0}, {(int (*)(struct drbd_conf * , struct drbd_nl_cfg_req * , struct drbd_nl_cfg_reply * ))0, 0}, {(int (*)(struct drbd_conf * , struct drbd_nl_cfg_req * , struct drbd_nl_cfg_reply * ))0, 0}, {(int (*)(struct drbd_conf * , struct drbd_nl_cfg_req * , struct drbd_nl_cfg_reply * ))0, 0}, {& drbd_nl_start_ov, 0}, {& drbd_nl_new_c_uuid, 0}}; [L48229] static atomic_t drbd_nl_seq = {2}; [L10746] struct inode *var_group1 ; [L10747] struct file *var_group2 ; [L10748] int res_drbd_proc_open_4 ; [L10749] int ldv_s_drbd_proc_fops_file_operations ; [L10750] int tmp ; [L10751] int tmp___0 ; [L10754] ldv_s_drbd_proc_fops_file_operations = 0 [L10755] LDV_IN_INTERRUPT = 1 [L10756] FCALL ldv_initialize() [L10802] tmp___0 = __VERIFIER_nondet_int() [L10804] COND TRUE tmp___0 != 0 VAL [LDV_IN_INTERRUPT=1, __this_module={1505:-1504}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1490:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1489:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1488:0}, ldv_module_refcounter=1, ldv_s_drbd_proc_fops_file_operations=0, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, tmp___0=1, usermode_helper={1494:0}] [L10761] tmp = __VERIFIER_nondet_int() [L10763] COND TRUE tmp == 0 VAL [LDV_IN_INTERRUPT=1, __this_module={1505:-1504}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1490:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1489:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1488:0}, ldv_module_refcounter=1, ldv_s_drbd_proc_fops_file_operations=0, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, tmp=0, tmp___0=1, usermode_helper={1494:0}] [L10772] COND TRUE ldv_s_drbd_proc_fops_file_operations == 0 VAL [LDV_IN_INTERRUPT=1, __this_module={1505:-1504}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1490:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1489:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1488:0}, ldv_module_refcounter=1, ldv_s_drbd_proc_fops_file_operations=0, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, tmp=0, tmp___0=1, usermode_helper={1494:0}] [L10774] CALL, EXPR drbd_proc_open(var_group1, var_group2) VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={1505:-1504}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1490:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1489:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1488:0}, ldv_module_refcounter=1, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [L10716] struct proc_dir_entry *tmp ; [L10717] int tmp___0 ; [L10718] int tmp___1 ; VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={1505:-1504}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1490:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1489:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, file={1152921504606847016:1152921504606847013}, file={1152921504606847016:1152921504606847013}, global_state_lock={1488:0}, inode={1152921504606846982:-1355835689417651968534}, inode={1152921504606846982:-1355835689417651968534}, ldv_module_refcounter=1, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [L10721] CALL, EXPR ldv_try_module_get_1(& __this_module) VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={1505:-1504}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1490:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1489:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1488:0}, ldv_module_refcounter=1, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [L10821] int tmp ; [L10824] CALL, EXPR ldv_try_module_get(module) [L10101] int module_get_succeeded ; [L10103] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) [L10105] CALL, EXPR ldv_undefined_int() [L49395] return __VERIFIER_nondet_int(); [L10105] RET, EXPR ldv_undefined_int() [L10105] module_get_succeeded = ldv_undefined_int() [L10107] COND TRUE module_get_succeeded == 1 [L10108] ldv_module_refcounter = ldv_module_refcounter + 1 [L10109] return (1); [L10824] RET, EXPR ldv_try_module_get(module) [L10824] tmp = ldv_try_module_get(module) [L10826] return (tmp); [L10721] RET, EXPR ldv_try_module_get_1(& __this_module) VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={1505:-1504}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1490:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1489:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, file={1152921504606847016:1152921504606847013}, file={1152921504606847016:1152921504606847013}, global_state_lock={1488:0}, inode={1152921504606846982:-1355835689417651968534}, inode={1152921504606846982:-1355835689417651968534}, ldv_module_refcounter=2, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [L10721] tmp___1 = ldv_try_module_get_1(& __this_module) [L10723] COND TRUE tmp___1 != 0 [L10725] CALL, EXPR PDE((struct inode const *)inode) [L10179] struct proc_inode *tmp ; [L10182] CALL, EXPR PROC_I(inode) [L10172] struct inode const *__mptr ; [L10174] __mptr = inode [L10175] return ((struct proc_inode *)__mptr + 0x0fffffffffffffc0UL); [L10182] RET, EXPR PROC_I(inode) [L10182] tmp = PROC_I(inode) [L10184] EXPR tmp->pde [L10184] return (tmp->pde); [L10725] RET, EXPR PDE((struct inode const *)inode) [L10725] tmp = PDE((struct inode const *)inode) [L10726] EXPR tmp->data [L10726] CALL, EXPR single_open(file, & drbd_seq_show, tmp->data) [L49504] return __VERIFIER_nondet_int(); [L10726] RET, EXPR single_open(file, & drbd_seq_show, tmp->data) [L10726] tmp___0 = single_open(file, & drbd_seq_show, tmp->data) [L10728] return (tmp___0); [L10774] RET, EXPR drbd_proc_open(var_group1, var_group2) VAL [LDV_IN_INTERRUPT=1, __this_module={1505:-1504}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1490:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1489:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1488:0}, ldv_module_refcounter=2, ldv_s_drbd_proc_fops_file_operations=0, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, tmp=0, tmp___0=1, usermode_helper={1494:0}, var_group1={1152921504606846982:-1355835689417651968534}, var_group2={1152921504606847016:1152921504606847013}] [L10774] res_drbd_proc_open_4 = drbd_proc_open(var_group1, var_group2) [L10775] FCALL ldv_check_return_value(res_drbd_proc_open_4) [L10777] COND TRUE res_drbd_proc_open_4 != 0 VAL [LDV_IN_INTERRUPT=1, __this_module={1505:-1504}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1490:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1489:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1488:0}, ldv_module_refcounter=2, ldv_s_drbd_proc_fops_file_operations=0, minor_count=32, minor_table={0:0}, proc_details=0, res_drbd_proc_open_4=-19, tag_descriptions={1502:0}, tmp=0, tmp___0=1, usermode_helper={1494:0}, var_group1={1152921504606846982:-1355835689417651968534}, var_group2={1152921504606847016:1152921504606847013}] [L10815] CALL ldv_check_final_state() [L10153] COND TRUE ldv_module_refcounter != 1 VAL [LDV_IN_INTERRUPT=1, __this_module={1505:-1504}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1490:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1489:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1488:0}, ldv_module_refcounter=2, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [L10155] CALL ldv_blast_assert() VAL [LDV_IN_INTERRUPT=1, __this_module={1505:-1504}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1490:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1489:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1488:0}, ldv_module_refcounter=2, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [L10085] reach_error() VAL [LDV_IN_INTERRUPT=1, __this_module={1505:-1504}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1490:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1489:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1488:0}, ldv_module_refcounter=2, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 44 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 43 mSDsluCounter, 152 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 70 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 82 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=1, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-25 00:08:28,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5bf0f2e-5cbe-4299-90d7-5255861543b6/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...