./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95365606-0cbb-4899-8844-70dab9564bae/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95365606-0cbb-4899-8844-70dab9564bae/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95365606-0cbb-4899-8844-70dab9564bae/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95365606-0cbb-4899-8844-70dab9564bae/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95365606-0cbb-4899-8844-70dab9564bae/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95365606-0cbb-4899-8844-70dab9564bae/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5afcd851c0eed3ee93d773a0172936a989a39cd6889ca2587c3b833a21bc8a3a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:50:40,504 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:50:40,613 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95365606-0cbb-4899-8844-70dab9564bae/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:50:40,622 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:50:40,623 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:50:40,662 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:50:40,663 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:50:40,664 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:50:40,665 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:50:40,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:50:40,668 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:50:40,668 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:50:40,669 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:50:40,669 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:50:40,670 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:50:40,670 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:50:40,671 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:50:40,671 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:50:40,672 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:50:40,672 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:50:40,673 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:50:40,676 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:50:40,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:50:40,678 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:50:40,678 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:50:40,678 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:50:40,679 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:50:40,679 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:50:40,680 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:50:40,680 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:50:40,682 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:50:40,682 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:50:40,682 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:50:40,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:50:40,683 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:50:40,683 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:50:40,684 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:50:40,684 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:50:40,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:50:40,684 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:50:40,685 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:50:40,685 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:50:40,685 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_95365606-0cbb-4899-8844-70dab9564bae/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95365606-0cbb-4899-8844-70dab9564bae/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5afcd851c0eed3ee93d773a0172936a989a39cd6889ca2587c3b833a21bc8a3a [2023-11-12 00:50:41,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:50:41,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:50:41,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:50:41,053 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:50:41,053 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:50:41,055 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95365606-0cbb-4899-8844-70dab9564bae/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-11-12 00:50:44,237 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:50:45,020 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:50:45,022 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95365606-0cbb-4899-8844-70dab9564bae/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-11-12 00:50:45,107 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95365606-0cbb-4899-8844-70dab9564bae/bin/utaipan-verify-NcY6lQBIFX/data/85ffd2d5f/0be2dbe1373f4884bf8f546f306d4e7b/FLAGdfd52769c [2023-11-12 00:50:45,126 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95365606-0cbb-4899-8844-70dab9564bae/bin/utaipan-verify-NcY6lQBIFX/data/85ffd2d5f/0be2dbe1373f4884bf8f546f306d4e7b [2023-11-12 00:50:45,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:50:45,134 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:50:45,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:50:45,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:50:45,143 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:50:45,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:50:45" (1/1) ... [2023-11-12 00:50:45,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@158b0c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:45, skipping insertion in model container [2023-11-12 00:50:45,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:50:45" (1/1) ... [2023-11-12 00:50:45,399 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:50:49,424 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_95365606-0cbb-4899-8844-70dab9564bae/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410165,410178] [2023-11-12 00:50:49,428 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_95365606-0cbb-4899-8844-70dab9564bae/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410334,410347] [2023-11-12 00:50:49,429 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_95365606-0cbb-4899-8844-70dab9564bae/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410501,410514] [2023-11-12 00:50:49,430 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_95365606-0cbb-4899-8844-70dab9564bae/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410669,410682] [2023-11-12 00:50:49,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:50:49,529 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:50:49,690 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5295] [2023-11-12 00:50:49,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5302] [2023-11-12 00:50:49,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5309] [2023-11-12 00:50:49,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/520b8de/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5350-5351] [2023-11-12 00:50:49,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5356-5358] [2023-11-12 00:50:49,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5519] [2023-11-12 00:50:49,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5526] [2023-11-12 00:50:49,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5534] [2023-11-12 00:50:49,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5541] [2023-11-12 00:50:49,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5549] [2023-11-12 00:50:49,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5669-5670] [2023-11-12 00:50:49,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5703-5704] [2023-11-12 00:50:49,709 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [5740-5741] [2023-11-12 00:50:49,711 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [5777-5778] [2023-11-12 00:50:49,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [6036-6037] [2023-11-12 00:50:49,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6043] [2023-11-12 00:50:49,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6318] [2023-11-12 00:50:49,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6321] [2023-11-12 00:50:49,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6324] [2023-11-12 00:50:49,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6327] [2023-11-12 00:50:49,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6358] [2023-11-12 00:50:49,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6361] [2023-11-12 00:50:49,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6364] [2023-11-12 00:50:49,726 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6367] [2023-11-12 00:50:49,726 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6398] [2023-11-12 00:50:49,726 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6401] [2023-11-12 00:50:49,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6404] [2023-11-12 00:50:49,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6407] [2023-11-12 00:50:49,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6438] [2023-11-12 00:50:49,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6441] [2023-11-12 00:50:49,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6444] [2023-11-12 00:50:49,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6447] [2023-11-12 00:50:49,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7215] [2023-11-12 00:50:49,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7729] [2023-11-12 00:50:49,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7752] [2023-11-12 00:50:49,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7759] [2023-11-12 00:50:49,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7786] [2023-11-12 00:50:49,808 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8205] [2023-11-12 00:50:49,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9825] [2023-11-12 00:50:49,888 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9890] [2023-11-12 00:50:49,889 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9900] [2023-11-12 00:50:49,890 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9912] [2023-11-12 00:50:49,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9934] [2023-11-12 00:50:49,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10124] [2023-11-12 00:50:50,068 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_95365606-0cbb-4899-8844-70dab9564bae/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410165,410178] [2023-11-12 00:50:50,069 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_95365606-0cbb-4899-8844-70dab9564bae/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410334,410347] [2023-11-12 00:50:50,070 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_95365606-0cbb-4899-8844-70dab9564bae/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410501,410514] [2023-11-12 00:50:50,070 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_95365606-0cbb-4899-8844-70dab9564bae/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410669,410682] [2023-11-12 00:50:50,084 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:50:50,359 WARN L672 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:50:50,359 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:50:50,367 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:50:50,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:50 WrapperNode [2023-11-12 00:50:50,368 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:50:50,369 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:50:50,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:50:50,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:50:50,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:50" (1/1) ... [2023-11-12 00:50:50,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:50" (1/1) ... [2023-11-12 00:50:50,859 INFO L138 Inliner]: procedures = 541, calls = 2937, calls flagged for inlining = 282, calls inlined = 248, statements flattened = 8638 [2023-11-12 00:50:50,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:50:50,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:50:50,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:50:50,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:50:50,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:50" (1/1) ... [2023-11-12 00:50:50,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:50" (1/1) ... [2023-11-12 00:50:50,983 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:50" (1/1) ... [2023-11-12 00:50:50,983 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:50" (1/1) ... [2023-11-12 00:50:51,196 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:50" (1/1) ... [2023-11-12 00:50:51,234 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:50" (1/1) ... [2023-11-12 00:50:51,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:50" (1/1) ... [2023-11-12 00:50:51,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:50" (1/1) ... [2023-11-12 00:50:51,380 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:50:51,381 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:50:51,381 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:50:51,382 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:50:51,382 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:50" (1/1) ... [2023-11-12 00:50:51,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:50:51,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95365606-0cbb-4899-8844-70dab9564bae/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:50:51,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95365606-0cbb-4899-8844-70dab9564bae/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:50:51,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95365606-0cbb-4899-8844-70dab9564bae/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:50:51,461 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-12 00:50:51,462 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-12 00:50:51,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:50:51,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:50:51,462 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-12 00:50:51,462 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-12 00:50:51,463 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 00:50:51,463 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 00:50:51,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:50:51,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:50:51,464 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 00:50:51,464 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 00:50:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:50:51,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:50:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 00:50:51,466 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 00:50:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 00:50:51,466 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 00:50:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_63 [2023-11-12 00:50:51,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_63 [2023-11-12 00:50:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2023-11-12 00:50:51,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2023-11-12 00:50:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-12 00:50:51,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-12 00:50:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-12 00:50:51,468 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-12 00:50:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 00:50:51,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 00:50:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:50:51,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:50:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 00:50:51,469 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 00:50:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 00:50:51,470 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 00:50:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:50:51,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:50:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-12 00:50:51,471 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-12 00:50:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:50:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2023-11-12 00:50:51,471 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2023-11-12 00:50:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 00:50:51,472 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 00:50:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-12 00:50:51,472 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-12 00:50:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-12 00:50:51,472 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-12 00:50:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:50:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:50:51,473 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:50:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-12 00:50:51,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-12 00:50:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:50:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:50:51,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:50:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2023-11-12 00:50:51,474 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2023-11-12 00:50:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:50:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 00:50:51,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 00:50:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:50:51,475 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:50:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2023-11-12 00:50:51,476 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2023-11-12 00:50:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 00:50:51,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 00:50:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 00:50:51,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 00:50:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:50:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:50:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 00:50:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 00:50:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 00:50:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 00:50:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2023-11-12 00:50:51,479 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2023-11-12 00:50:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-12 00:50:51,479 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-12 00:50:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2023-11-12 00:50:51,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2023-11-12 00:50:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 00:50:51,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 00:50:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:50:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-12 00:50:51,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-12 00:50:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2023-11-12 00:50:51,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2023-11-12 00:50:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:50:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-12 00:50:51,482 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-12 00:50:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:50:51,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:50:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:50:51,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:50:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:50:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 00:50:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:50:51,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:50:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2023-11-12 00:50:51,488 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2023-11-12 00:50:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2023-11-12 00:50:51,488 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2023-11-12 00:50:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_pcnet32_private [2023-11-12 00:50:51,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_pcnet32_private [2023-11-12 00:50:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 00:50:51,490 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 00:50:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2023-11-12 00:50:51,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2023-11-12 00:50:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-12 00:50:51,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-12 00:50:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-12 00:50:51,497 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-12 00:50:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:50:51,498 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:50:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-12 00:50:51,498 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-12 00:50:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 00:50:51,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 00:50:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2023-11-12 00:50:51,499 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2023-11-12 00:50:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-12 00:50:51,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-12 00:50:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 00:50:51,499 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 00:50:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2023-11-12 00:50:51,499 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2023-11-12 00:50:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-12 00:50:51,500 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-12 00:50:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:50:51,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:50:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-12 00:50:51,500 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-12 00:50:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:50:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:50:51,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:50:51,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:50:51,501 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2023-11-12 00:50:51,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2023-11-12 00:50:51,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:50:51,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:50:51,501 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2023-11-12 00:50:51,502 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2023-11-12 00:50:51,502 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_regs_len [2023-11-12 00:50:51,502 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_regs_len [2023-11-12 00:50:51,502 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-12 00:50:51,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 00:50:51,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 00:50:51,503 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2023-11-12 00:50:51,503 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2023-11-12 00:50:51,503 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2023-11-12 00:50:51,503 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2023-11-12 00:50:51,503 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-12 00:50:51,503 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-12 00:50:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:50:51,504 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:50:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-12 00:50:51,504 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-12 00:50:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 00:50:51,504 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 00:50:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-12 00:50:51,505 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-12 00:50:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2023-11-12 00:50:51,505 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2023-11-12 00:50:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2023-11-12 00:50:51,505 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2023-11-12 00:50:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2023-11-12 00:50:51,505 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2023-11-12 00:50:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2023-11-12 00:50:51,506 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2023-11-12 00:50:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 00:50:51,506 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 00:50:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:50:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2023-11-12 00:50:51,506 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2023-11-12 00:50:51,507 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 00:50:51,507 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 00:50:51,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:50:51,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_pcnet32_private [2023-11-12 00:50:51,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_pcnet32_private [2023-11-12 00:50:51,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:50:51,507 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2023-11-12 00:50:51,508 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2023-11-12 00:50:51,508 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:50:51,508 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:50:51,508 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2023-11-12 00:50:51,508 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2023-11-12 00:50:51,508 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-12 00:50:51,508 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-12 00:50:51,508 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:50:51,509 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:50:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2023-11-12 00:50:51,509 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2023-11-12 00:50:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:50:51,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:50:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2023-11-12 00:50:51,509 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2023-11-12 00:50:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-12 00:50:51,510 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-12 00:50:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-12 00:50:51,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-12 00:50:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2023-11-12 00:50:51,510 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2023-11-12 00:50:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2023-11-12 00:50:51,510 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2023-11-12 00:50:51,511 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2023-11-12 00:50:51,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2023-11-12 00:50:51,511 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2023-11-12 00:50:51,511 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2023-11-12 00:50:51,511 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-12 00:50:51,511 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-12 00:50:51,511 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 00:50:51,512 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 00:50:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 00:50:51,512 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 00:50:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2023-11-12 00:50:51,512 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2023-11-12 00:50:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:50:51,512 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:50:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2023-11-12 00:50:51,513 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2023-11-12 00:50:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2023-11-12 00:50:51,513 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2023-11-12 00:50:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-12 00:50:51,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-12 00:50:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:50:51,518 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:50:51,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:50:51,518 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2023-11-12 00:50:51,518 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2023-11-12 00:50:51,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:50:51,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:50:51,519 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-12 00:50:51,519 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-12 00:50:51,519 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-12 00:50:51,520 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-12 00:50:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2023-11-12 00:50:51,521 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2023-11-12 00:50:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2023-11-12 00:50:51,521 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2023-11-12 00:50:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-11-12 00:50:51,521 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-11-12 00:50:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_nway_reset [2023-11-12 00:50:51,522 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_nway_reset [2023-11-12 00:50:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:50:51,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:50:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-12 00:50:51,522 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-12 00:50:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-12 00:50:51,523 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-12 00:50:51,523 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-12 00:50:51,523 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-12 00:50:51,523 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-12 00:50:51,523 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-12 00:50:51,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:50:51,523 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-12 00:50:51,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-12 00:50:51,524 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-12 00:50:51,524 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-12 00:50:51,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:50:51,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:50:51,524 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-12 00:50:51,524 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-12 00:50:52,690 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:50:52,694 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:50:52,961 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:51:03,539 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:51:07,939 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:51:07,939 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-12 00:51:07,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:51:07 BoogieIcfgContainer [2023-11-12 00:51:07,946 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:51:07,950 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:51:07,950 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:51:07,954 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:51:07,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:50:45" (1/3) ... [2023-11-12 00:51:07,956 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d29f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:51:07, skipping insertion in model container [2023-11-12 00:51:07,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:50" (2/3) ... [2023-11-12 00:51:07,958 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d29f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:51:07, skipping insertion in model container [2023-11-12 00:51:07,958 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:51:07" (3/3) ... [2023-11-12 00:51:07,960 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-11-12 00:51:08,045 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:51:08,046 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-12 00:51:08,172 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:51:08,180 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;@190ad2ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:51:08,180 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-12 00:51:08,195 INFO L276 IsEmpty]: Start isEmpty. Operand has 2051 states, 1208 states have (on average 1.2922185430463575) internal successors, (1561), 1272 states have internal predecessors, (1561), 720 states have call successors, (720), 122 states have call predecessors, (720), 121 states have return successors, (712), 694 states have call predecessors, (712), 712 states have call successors, (712) [2023-11-12 00:51:08,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-12 00:51:08,215 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:51:08,217 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:51:08,217 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 00:51:08,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:51:08,225 INFO L85 PathProgramCache]: Analyzing trace with hash 25128212, now seen corresponding path program 1 times [2023-11-12 00:51:08,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:51:08,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708538219] [2023-11-12 00:51:08,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:51:08,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:51:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:51:09,247 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-12 00:51:09,247 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:51:09,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708538219] [2023-11-12 00:51:09,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708538219] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:51:09,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:51:09,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 00:51:09,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896402705] [2023-11-12 00:51:09,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:51:09,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:51:09,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:51:09,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:51:09,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:51:09,295 INFO L87 Difference]: Start difference. First operand has 2051 states, 1208 states have (on average 1.2922185430463575) internal successors, (1561), 1272 states have internal predecessors, (1561), 720 states have call successors, (720), 122 states have call predecessors, (720), 121 states have return successors, (712), 694 states have call predecessors, (712), 712 states have call successors, (712) Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-12 00:51:12,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:51:14,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:51:16,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:51:19,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:51:19,581 INFO L93 Difference]: Finished difference Result 4109 states and 6076 transitions. [2023-11-12 00:51:19,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:51:19,583 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2023-11-12 00:51:19,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:51:19,626 INFO L225 Difference]: With dead ends: 4109 [2023-11-12 00:51:19,626 INFO L226 Difference]: Without dead ends: 2066 [2023-11-12 00:51:19,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 00:51:19,654 INFO L413 NwaCegarLoop]: 2578 mSDtfsCounter, 2940 mSDsluCounter, 5171 mSDsCounter, 0 mSdLazyCounter, 1217 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2953 SdHoareTripleChecker+Valid, 7749 SdHoareTripleChecker+Invalid, 1222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1217 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2023-11-12 00:51:19,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2953 Valid, 7749 Invalid, 1222 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1217 Invalid, 3 Unknown, 0 Unchecked, 9.8s Time] [2023-11-12 00:51:19,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2066 states. [2023-11-12 00:51:19,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2066 to 2064. [2023-11-12 00:51:19,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2064 states, 1217 states have (on average 1.2826622843056696) internal successors, (1561), 1276 states have internal predecessors, (1561), 715 states have call successors, (715), 130 states have call predecessors, (715), 129 states have return successors, (712), 694 states have call predecessors, (712), 712 states have call successors, (712) [2023-11-12 00:51:19,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2064 states to 2064 states and 2988 transitions. [2023-11-12 00:51:19,957 INFO L78 Accepts]: Start accepts. Automaton has 2064 states and 2988 transitions. Word has length 43 [2023-11-12 00:51:19,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:51:19,959 INFO L495 AbstractCegarLoop]: Abstraction has 2064 states and 2988 transitions. [2023-11-12 00:51:19,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-12 00:51:19,959 INFO L276 IsEmpty]: Start isEmpty. Operand 2064 states and 2988 transitions. [2023-11-12 00:51:19,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-12 00:51:19,970 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:51:19,970 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:51:19,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:51:19,971 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 00:51:19,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:51:19,971 INFO L85 PathProgramCache]: Analyzing trace with hash -925556905, now seen corresponding path program 1 times [2023-11-12 00:51:19,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:51:19,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307290387] [2023-11-12 00:51:19,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:51:19,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:51:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:51:20,803 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-12 00:51:20,803 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:51:20,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307290387] [2023-11-12 00:51:20,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307290387] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:51:20,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:51:20,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 00:51:20,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952469622] [2023-11-12 00:51:20,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:51:20,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:51:20,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:51:20,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:51:20,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:51:20,809 INFO L87 Difference]: Start difference. First operand 2064 states and 2988 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-12 00:51:23,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:51:25,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:51:27,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:51:31,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:51:31,723 INFO L93 Difference]: Finished difference Result 2070 states and 2993 transitions. [2023-11-12 00:51:31,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:51:31,724 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 48 [2023-11-12 00:51:31,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:51:31,746 INFO L225 Difference]: With dead ends: 2070 [2023-11-12 00:51:31,746 INFO L226 Difference]: Without dead ends: 2068 [2023-11-12 00:51:31,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 00:51:31,750 INFO L413 NwaCegarLoop]: 2562 mSDtfsCounter, 2927 mSDsluCounter, 5103 mSDsCounter, 0 mSdLazyCounter, 1197 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2938 SdHoareTripleChecker+Valid, 7665 SdHoareTripleChecker+Invalid, 1201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1197 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2023-11-12 00:51:31,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2938 Valid, 7665 Invalid, 1201 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1197 Invalid, 3 Unknown, 0 Unchecked, 10.5s Time] [2023-11-12 00:51:31,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2068 states. [2023-11-12 00:51:31,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2068 to 2068. [2023-11-12 00:51:31,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2068 states, 1220 states have (on average 1.2819672131147541) internal successors, (1564), 1279 states have internal predecessors, (1564), 715 states have call successors, (715), 131 states have call predecessors, (715), 130 states have return successors, (712), 694 states have call predecessors, (712), 712 states have call successors, (712) [2023-11-12 00:51:31,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 2068 states and 2991 transitions. [2023-11-12 00:51:31,931 INFO L78 Accepts]: Start accepts. Automaton has 2068 states and 2991 transitions. Word has length 48 [2023-11-12 00:51:31,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:51:31,933 INFO L495 AbstractCegarLoop]: Abstraction has 2068 states and 2991 transitions. [2023-11-12 00:51:31,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-12 00:51:31,936 INFO L276 IsEmpty]: Start isEmpty. Operand 2068 states and 2991 transitions. [2023-11-12 00:51:31,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-12 00:51:31,941 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:51:31,942 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:51:31,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:51:31,942 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 00:51:31,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:51:31,952 INFO L85 PathProgramCache]: Analyzing trace with hash 2142271156, now seen corresponding path program 1 times [2023-11-12 00:51:31,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:51:31,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397744632] [2023-11-12 00:51:31,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:51:31,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms