./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-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_acfb2c50-26df-4935-8d2f-3d5bf0be07db/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfb2c50-26df-4935-8d2f-3d5bf0be07db/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_acfb2c50-26df-4935-8d2f-3d5bf0be07db/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfb2c50-26df-4935-8d2f-3d5bf0be07db/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfb2c50-26df-4935-8d2f-3d5bf0be07db/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_acfb2c50-26df-4935-8d2f-3d5bf0be07db/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 abfdd6ea704cd13da9f6c4fa68989a6001819ce06b341c8a00315bc983ef4819 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:53:49,694 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:53:49,775 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfb2c50-26df-4935-8d2f-3d5bf0be07db/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:53:49,781 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:53:49,782 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:53:49,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:53:49,813 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:53:49,814 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:53:49,814 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:53:49,815 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:53:49,816 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:53:49,816 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:53:49,817 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:53:49,818 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:53:49,818 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:53:49,819 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:53:49,819 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:53:49,820 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:53:49,820 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:53:49,821 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:53:49,822 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:53:49,822 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:53:49,823 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:53:49,824 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:53:49,824 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:53:49,824 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:53:49,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:53:49,825 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:53:49,826 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:53:49,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:53:49,827 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:53:49,827 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:53:49,828 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:53:49,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:53:49,829 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:53:49,829 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:53:49,829 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:53:49,830 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:53:49,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:53:49,831 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:53:49,831 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:53:49,832 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:53:49,832 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_acfb2c50-26df-4935-8d2f-3d5bf0be07db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfb2c50-26df-4935-8d2f-3d5bf0be07db/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abfdd6ea704cd13da9f6c4fa68989a6001819ce06b341c8a00315bc983ef4819 [2023-11-12 00:53:50,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:53:50,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:53:50,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:53:50,117 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:53:50,117 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:53:50,119 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfb2c50-26df-4935-8d2f-3d5bf0be07db/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-11-12 00:53:53,490 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:53:54,186 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:53:54,187 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfb2c50-26df-4935-8d2f-3d5bf0be07db/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-11-12 00:53:54,242 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfb2c50-26df-4935-8d2f-3d5bf0be07db/bin/utaipan-verify-NcY6lQBIFX/data/17ad0e958/06f5376e17c7429a8047d945f7da1289/FLAG6a25b67ca [2023-11-12 00:53:54,261 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfb2c50-26df-4935-8d2f-3d5bf0be07db/bin/utaipan-verify-NcY6lQBIFX/data/17ad0e958/06f5376e17c7429a8047d945f7da1289 [2023-11-12 00:53:54,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:53:54,266 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:53:54,268 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:54,268 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:53:54,274 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:53:54,275 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:54" (1/1) ... [2023-11-12 00:53:54,276 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30ec7cc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:54, skipping insertion in model container [2023-11-12 00:53:54,276 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:54" (1/1) ... [2023-11-12 00:53:54,508 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:53:59,206 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_acfb2c50-26df-4935-8d2f-3d5bf0be07db/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422956,422969] [2023-11-12 00:53:59,212 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_acfb2c50-26df-4935-8d2f-3d5bf0be07db/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[423101,423114] [2023-11-12 00:53:59,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:53:59,379 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:53:59,487 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"); [5283] [2023-11-12 00:53:59,489 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)); [5290] [2023-11-12 00:53:59,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5297] [2023-11-12 00:53:59,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5338-5339] [2023-11-12 00:53:59,492 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"); [5344-5346] [2023-11-12 00:53:59,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5495] [2023-11-12 00:53:59,497 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5502] [2023-11-12 00:53:59,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5510] [2023-11-12 00:53:59,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5517] [2023-11-12 00:53:59,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5525] [2023-11-12 00:53:59,504 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)); [5616-5617] [2023-11-12 00:53:59,506 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)); [5650-5651] [2023-11-12 00:53:59,508 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)); [5687-5688] [2023-11-12 00:53:59,510 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)); [5724-5725] [2023-11-12 00:53:59,520 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)); [5985-5986] [2023-11-12 00:53:59,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5992] [2023-11-12 00:53:59,550 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6267] [2023-11-12 00:53:59,550 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6270] [2023-11-12 00:53:59,551 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6273] [2023-11-12 00:53:59,551 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6276] [2023-11-12 00:53:59,552 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6307] [2023-11-12 00:53:59,552 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6310] [2023-11-12 00:53:59,552 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6313] [2023-11-12 00:53:59,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6316] [2023-11-12 00:53:59,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6347] [2023-11-12 00:53:59,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6350] [2023-11-12 00:53:59,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6353] [2023-11-12 00:53:59,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6356] [2023-11-12 00:53:59,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6387] [2023-11-12 00:53:59,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6390] [2023-11-12 00:53:59,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6393] [2023-11-12 00:53:59,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6396] [2023-11-12 00:53:59,597 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7164] [2023-11-12 00:53:59,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7678] [2023-11-12 00:53:59,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7701] [2023-11-12 00:53:59,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7708] [2023-11-12 00:53:59,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7735] [2023-11-12 00:53:59,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8154] [2023-11-12 00:53:59,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9774] [2023-11-12 00:53:59,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9839] [2023-11-12 00:53:59,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9849] [2023-11-12 00:53:59,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9861] [2023-11-12 00:53:59,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9883] [2023-11-12 00:53:59,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10073] [2023-11-12 00:53:59,969 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_acfb2c50-26df-4935-8d2f-3d5bf0be07db/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422956,422969] [2023-11-12 00:53:59,970 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_acfb2c50-26df-4935-8d2f-3d5bf0be07db/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[423101,423114] [2023-11-12 00:53:59,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:54:00,340 WARN L672 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:54:00,340 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:54:00,349 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:54:00,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:00 WrapperNode [2023-11-12 00:54:00,350 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:54:00,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:54:00,352 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:54:00,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:54:00,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:00" (1/1) ... [2023-11-12 00:54:00,492 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:00" (1/1) ... [2023-11-12 00:54:00,901 INFO L138 Inliner]: procedures = 556, calls = 3054, calls flagged for inlining = 291, calls inlined = 260, statements flattened = 8807 [2023-11-12 00:54:00,902 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:54:00,903 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:54:00,903 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:54:00,903 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:54:00,920 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:00" (1/1) ... [2023-11-12 00:54:00,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:00" (1/1) ... [2023-11-12 00:54:01,017 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:00" (1/1) ... [2023-11-12 00:54:01,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:00" (1/1) ... [2023-11-12 00:54:01,285 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:00" (1/1) ... [2023-11-12 00:54:01,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:00" (1/1) ... [2023-11-12 00:54:01,365 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:00" (1/1) ... [2023-11-12 00:54:01,390 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:00" (1/1) ... [2023-11-12 00:54:01,448 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:54:01,449 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:54:01,450 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:54:01,450 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:54:01,451 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:00" (1/1) ... [2023-11-12 00:54:01,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:54:01,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfb2c50-26df-4935-8d2f-3d5bf0be07db/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:54:01,489 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfb2c50-26df-4935-8d2f-3d5bf0be07db/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:54:01,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfb2c50-26df-4935-8d2f-3d5bf0be07db/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:54:01,535 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-12 00:54:01,535 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-12 00:54:01,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:54:01,536 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:54:01,536 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-12 00:54:01,536 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-12 00:54:01,536 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 00:54:01,536 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 00:54:01,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_86 [2023-11-12 00:54:01,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_86 [2023-11-12 00:54:01,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:54:01,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:54:01,537 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 00:54:01,538 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 00:54:01,538 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 00:54:01,538 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 00:54:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 00:54:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 00:54:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2023-11-12 00:54:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2023-11-12 00:54:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-12 00:54:01,541 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-12 00:54:01,541 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-12 00:54:01,541 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-12 00:54:01,541 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 00:54:01,542 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 00:54:01,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:54:01,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:54:01,542 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 00:54:01,542 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 00:54:01,542 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 00:54:01,543 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 00:54:01,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:54:01,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:54:01,543 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-12 00:54:01,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-12 00:54:01,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:54:01,544 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2023-11-12 00:54:01,544 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2023-11-12 00:54:01,544 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 00:54:01,545 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 00:54:01,545 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-12 00:54:01,545 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-12 00:54:01,546 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-12 00:54:01,547 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-12 00:54:01,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:54:01,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2023-11-12 00:54:01,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2023-11-12 00:54:01,548 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:54:01,548 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:54:01,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-12 00:54:01,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-12 00:54:01,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:54:01,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:54:01,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:54:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2023-11-12 00:54:01,549 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2023-11-12 00:54:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:54:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 00:54:01,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 00:54:01,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-12 00:54:01,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-12 00:54:01,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:54:01,551 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:54:01,551 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2023-11-12 00:54:01,551 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2023-11-12 00:54:01,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 00:54:01,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 00:54:01,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 00:54:01,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 00:54:01,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:54:01,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:54:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 00:54:01,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 00:54:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 00:54:01,554 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 00:54:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 00:54:01,554 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 00:54:01,555 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2023-11-12 00:54:01,556 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2023-11-12 00:54:01,556 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-12 00:54:01,556 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-12 00:54:01,557 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2023-11-12 00:54:01,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2023-11-12 00:54:01,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:54:01,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:54:01,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:54:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:54:01,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:54:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-11-12 00:54:01,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-11-12 00:54:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2023-11-12 00:54:01,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2023-11-12 00:54:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-12 00:54:01,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-12 00:54:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-12 00:54:01,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-12 00:54:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2023-11-12 00:54:01,560 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2023-11-12 00:54:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:54:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-12 00:54:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-12 00:54:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:54:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:54:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:54:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:54:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:54:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 00:54:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:54:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:54:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2023-11-12 00:54:01,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2023-11-12 00:54:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2023-11-12 00:54:01,573 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2023-11-12 00:54:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-12 00:54:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-12 00:54:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-12 00:54:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-12 00:54:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_pcnet32_private [2023-11-12 00:54:01,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_pcnet32_private [2023-11-12 00:54:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 00:54:01,575 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 00:54:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2023-11-12 00:54:01,575 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2023-11-12 00:54:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-12 00:54:01,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-12 00:54:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-12 00:54:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-12 00:54:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:54:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:54:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-12 00:54:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-12 00:54:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 00:54:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 00:54:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2023-11-12 00:54:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2023-11-12 00:54:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-12 00:54:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-12 00:54:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 00:54:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 00:54:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2023-11-12 00:54:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2023-11-12 00:54:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-12 00:54:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-12 00:54:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:54:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:54:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-12 00:54:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-12 00:54:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:54:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:54:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:54:01,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:54:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2023-11-12 00:54:01,579 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2023-11-12 00:54:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2023-11-12 00:54:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2023-11-12 00:54:01,580 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_regs_len [2023-11-12 00:54:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_regs_len [2023-11-12 00:54:01,580 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-12 00:54:01,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 00:54:01,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 00:54:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2023-11-12 00:54:01,581 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2023-11-12 00:54:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2023-11-12 00:54:01,581 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2023-11-12 00:54:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-12 00:54:01,583 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-12 00:54:01,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:54:01,583 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:54:01,583 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-12 00:54:01,584 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-12 00:54:01,584 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 00:54:01,584 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 00:54:01,584 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-12 00:54:01,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-12 00:54:01,586 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2023-11-12 00:54:01,586 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2023-11-12 00:54:01,586 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2023-11-12 00:54:01,586 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2023-11-12 00:54:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2023-11-12 00:54:01,587 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2023-11-12 00:54:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2023-11-12 00:54:01,587 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2023-11-12 00:54:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 00:54:01,587 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 00:54:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:54:01,588 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2023-11-12 00:54:01,588 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2023-11-12 00:54:01,588 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 00:54:01,588 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 00:54:01,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:54:01,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_pcnet32_private [2023-11-12 00:54:01,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_pcnet32_private [2023-11-12 00:54:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:54:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2023-11-12 00:54:01,589 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2023-11-12 00:54:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:54:01,589 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:54:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2023-11-12 00:54:01,589 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2023-11-12 00:54:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-12 00:54:01,590 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-12 00:54:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:54:01,590 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:54:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2023-11-12 00:54:01,590 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2023-11-12 00:54:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:54:01,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:54:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2023-11-12 00:54:01,591 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2023-11-12 00:54:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-12 00:54:01,591 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-12 00:54:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-12 00:54:01,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-12 00:54:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2023-11-12 00:54:01,591 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2023-11-12 00:54:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2023-11-12 00:54:01,592 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2023-11-12 00:54:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2023-11-12 00:54:01,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2023-11-12 00:54:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2023-11-12 00:54:01,592 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2023-11-12 00:54:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-12 00:54:01,592 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-12 00:54:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 00:54:01,593 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 00:54:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 00:54:01,593 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 00:54:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2023-11-12 00:54:01,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2023-11-12 00:54:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:54:01,598 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:54:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2023-11-12 00:54:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2023-11-12 00:54:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2023-11-12 00:54:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2023-11-12 00:54:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-12 00:54:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-12 00:54:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:54:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:54:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:54:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2023-11-12 00:54:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2023-11-12 00:54:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:54:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:54:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-12 00:54:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-12 00:54:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-12 00:54:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-12 00:54:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2023-11-12 00:54:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2023-11-12 00:54:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2023-11-12 00:54:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2023-11-12 00:54:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-11-12 00:54:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-11-12 00:54:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_nway_reset [2023-11-12 00:54:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_nway_reset [2023-11-12 00:54:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:54:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:54:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-12 00:54:01,604 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-12 00:54:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-12 00:54:01,604 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-12 00:54:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-12 00:54:01,604 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-12 00:54:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-12 00:54:01,604 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-12 00:54:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:54:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-12 00:54:01,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-12 00:54:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-12 00:54:01,605 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-12 00:54:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:54:01,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:54:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-12 00:54:01,606 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-12 00:54:02,738 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:54:02,744 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:54:03,091 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:54:14,351 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:54:14,608 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:54:19,483 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:54:19,483 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-12 00:54:19,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:54:19 BoogieIcfgContainer [2023-11-12 00:54:19,493 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:54:19,498 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:54:19,498 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:54:19,502 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:54:19,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:53:54" (1/3) ... [2023-11-12 00:54:19,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c68bda5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:54:19, skipping insertion in model container [2023-11-12 00:54:19,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:00" (2/3) ... [2023-11-12 00:54:19,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c68bda5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:54:19, skipping insertion in model container [2023-11-12 00:54:19,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:54:19" (3/3) ... [2023-11-12 00:54:19,505 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-11-12 00:54:19,528 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:54:19,528 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:54:19,640 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:54:19,648 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;@648a49bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:54:19,649 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:54:19,670 INFO L276 IsEmpty]: Start isEmpty. Operand has 2253 states, 1353 states have (on average 1.3163340724316335) internal successors, (1781), 1392 states have internal predecessors, (1781), 773 states have call successors, (773), 129 states have call predecessors, (773), 128 states have return successors, (765), 753 states have call predecessors, (765), 765 states have call successors, (765) [2023-11-12 00:54:19,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-11-12 00:54:19,745 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:19,747 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:19,747 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:54:19,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:19,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1064901820, now seen corresponding path program 1 times [2023-11-12 00:54:19,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:54:19,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984240638] [2023-11-12 00:54:19,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:19,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:54:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:21,190 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2023-11-12 00:54:21,191 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:54:21,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984240638] [2023-11-12 00:54:21,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984240638] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:54:21,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:54:21,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:54:21,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826202152] [2023-11-12 00:54:21,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:54:21,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:54:21,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:54:21,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:54:21,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:54:21,244 INFO L87 Difference]: Start difference. First operand has 2253 states, 1353 states have (on average 1.3163340724316335) internal successors, (1781), 1392 states have internal predecessors, (1781), 773 states have call successors, (773), 129 states have call predecessors, (773), 128 states have return successors, (765), 753 states have call predecessors, (765), 765 states have call successors, (765) Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-12 00:54:25,961 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 00:54:28,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:54:30,402 WARN L539 Checker$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 00:54:31,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:54:31,385 INFO L93 Difference]: Finished difference Result 6494 states and 9635 transitions. [2023-11-12 00:54:31,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:54:31,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 225 [2023-11-12 00:54:31,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:54:31,448 INFO L225 Difference]: With dead ends: 6494 [2023-11-12 00:54:31,448 INFO L226 Difference]: Without dead ends: 4122 [2023-11-12 00:54:31,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:54:31,475 INFO L413 NwaCegarLoop]: 3148 mSDtfsCounter, 2973 mSDsluCounter, 2791 mSDsCounter, 0 mSdLazyCounter, 1046 mSolverCounterSat, 17 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2973 SdHoareTripleChecker+Valid, 5939 SdHoareTripleChecker+Invalid, 1066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1046 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2023-11-12 00:54:31,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2973 Valid, 5939 Invalid, 1066 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 1046 Invalid, 3 Unknown, 0 Unchecked, 9.6s Time] [2023-11-12 00:54:31,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4122 states. [2023-11-12 00:54:31,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4122 to 4119. [2023-11-12 00:54:31,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4119 states, 2513 states have (on average 1.3131715081575805) internal successors, (3300), 2580 states have internal predecessors, (3300), 1364 states have call successors, (1364), 241 states have call predecessors, (1364), 241 states have return successors, (1364), 1342 states have call predecessors, (1364), 1364 states have call successors, (1364) [2023-11-12 00:54:31,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4119 states to 4119 states and 6028 transitions. [2023-11-12 00:54:31,962 INFO L78 Accepts]: Start accepts. Automaton has 4119 states and 6028 transitions. Word has length 225 [2023-11-12 00:54:31,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:54:31,968 INFO L495 AbstractCegarLoop]: Abstraction has 4119 states and 6028 transitions. [2023-11-12 00:54:31,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-12 00:54:31,968 INFO L276 IsEmpty]: Start isEmpty. Operand 4119 states and 6028 transitions. [2023-11-12 00:54:31,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-11-12 00:54:31,992 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:31,992 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:31,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:54:31,993 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:54:31,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:31,994 INFO L85 PathProgramCache]: Analyzing trace with hash 966196864, now seen corresponding path program 1 times [2023-11-12 00:54:31,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:54:31,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409093197] [2023-11-12 00:54:31,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:31,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:54:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:32,695 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2023-11-12 00:54:32,695 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:54:32,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409093197] [2023-11-12 00:54:32,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409093197] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:54:32,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:54:32,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:54:32,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033538568] [2023-11-12 00:54:32,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:54:32,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:54:32,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:54:32,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:54:32,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:54:32,707 INFO L87 Difference]: Start difference. First operand 4119 states and 6028 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-12 00:54:35,633 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 []