./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 9bd2c7ff 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_f96b222e-2103-471e-af1b-1fdcafc59e96/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96b222e-2103-471e-af1b-1fdcafc59e96/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96b222e-2103-471e-af1b-1fdcafc59e96/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96b222e-2103-471e-af1b-1fdcafc59e96/bin/utaipan-verify-t7M7D8N6sZ/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_f96b222e-2103-471e-af1b-1fdcafc59e96/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96b222e-2103-471e-af1b-1fdcafc59e96/bin/utaipan-verify-t7M7D8N6sZ --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-9bd2c7f [2023-11-19 04:47:27,189 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:47:27,282 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96b222e-2103-471e-af1b-1fdcafc59e96/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:47:27,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:47:27,291 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:47:27,330 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:47:27,334 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:47:27,334 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:47:27,335 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:47:27,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:47:27,341 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:47:27,342 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:47:27,342 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:47:27,344 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:47:27,344 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:47:27,344 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:47:27,345 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:47:27,345 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:47:27,346 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:47:27,346 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:47:27,347 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:47:27,347 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:47:27,348 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:47:27,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:47:27,349 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:47:27,349 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:47:27,350 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:47:27,350 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:47:27,351 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:47:27,351 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:47:27,352 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:47:27,353 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:47:27,353 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:47:27,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:47:27,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:47:27,354 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:47:27,354 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:47:27,354 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:47:27,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:47:27,355 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:47:27,355 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:47:27,355 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:47:27,356 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_f96b222e-2103-471e-af1b-1fdcafc59e96/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96b222e-2103-471e-af1b-1fdcafc59e96/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abfdd6ea704cd13da9f6c4fa68989a6001819ce06b341c8a00315bc983ef4819 [2023-11-19 04:47:27,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:47:27,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:47:27,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:47:27,668 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:47:27,669 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:47:27,670 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96b222e-2103-471e-af1b-1fdcafc59e96/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-11-19 04:47:30,737 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:47:31,488 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:47:31,489 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96b222e-2103-471e-af1b-1fdcafc59e96/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-11-19 04:47:31,566 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96b222e-2103-471e-af1b-1fdcafc59e96/bin/utaipan-verify-t7M7D8N6sZ/data/431222d57/c17ad71dccb248cf8e8e3371ffdcdfbe/FLAG548e0f0f5 [2023-11-19 04:47:31,587 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96b222e-2103-471e-af1b-1fdcafc59e96/bin/utaipan-verify-t7M7D8N6sZ/data/431222d57/c17ad71dccb248cf8e8e3371ffdcdfbe [2023-11-19 04:47:31,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:47:31,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:47:31,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:31,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:47:31,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:47:31,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:31" (1/1) ... [2023-11-19 04:47:31,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@632753e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:31, skipping insertion in model container [2023-11-19 04:47:31,607 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:31" (1/1) ... [2023-11-19 04:47:31,836 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:47:36,021 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_f96b222e-2103-471e-af1b-1fdcafc59e96/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422956,422969] [2023-11-19 04:47:36,027 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_f96b222e-2103-471e-af1b-1fdcafc59e96/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[423101,423114] [2023-11-19 04:47:36,057 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:36,128 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:47:36,277 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] [2023-11-19 04:47:36,279 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] [2023-11-19 04:47:36,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5297] [2023-11-19 04:47:36,282 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] [2023-11-19 04:47:36,282 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] [2023-11-19 04:47:36,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5495] [2023-11-19 04:47:36,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5502] [2023-11-19 04:47:36,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5510] [2023-11-19 04:47:36,287 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5517] [2023-11-19 04:47:36,287 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5525] [2023-11-19 04:47:36,292 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] [2023-11-19 04:47:36,293 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] [2023-11-19 04:47:36,295 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] [2023-11-19 04:47:36,296 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] [2023-11-19 04:47:36,303 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] [2023-11-19 04:47:36,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5992] [2023-11-19 04:47:36,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6267] [2023-11-19 04:47:36,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6270] [2023-11-19 04:47:36,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6273] [2023-11-19 04:47:36,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6276] [2023-11-19 04:47:36,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6307] [2023-11-19 04:47:36,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6310] [2023-11-19 04:47:36,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6313] [2023-11-19 04:47:36,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6316] [2023-11-19 04:47:36,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6347] [2023-11-19 04:47:36,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6350] [2023-11-19 04:47:36,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6353] [2023-11-19 04:47:36,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6356] [2023-11-19 04:47:36,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6387] [2023-11-19 04:47:36,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6390] [2023-11-19 04:47:36,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6393] [2023-11-19 04:47:36,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6396] [2023-11-19 04:47:36,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7164] [2023-11-19 04:47:36,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7678] [2023-11-19 04:47:36,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7701] [2023-11-19 04:47:36,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7708] [2023-11-19 04:47:36,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7735] [2023-11-19 04:47:36,404 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8154] [2023-11-19 04:47:36,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9774] [2023-11-19 04:47:36,480 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9839] [2023-11-19 04:47:36,481 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9849] [2023-11-19 04:47:36,485 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9861] [2023-11-19 04:47:36,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9883] [2023-11-19 04:47:36,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10073] [2023-11-19 04:47:36,666 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_f96b222e-2103-471e-af1b-1fdcafc59e96/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422956,422969] [2023-11-19 04:47:36,666 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_f96b222e-2103-471e-af1b-1fdcafc59e96/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[423101,423114] [2023-11-19 04:47:36,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:37,039 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:47:37,039 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:47:37,047 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:47:37,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:37 WrapperNode [2023-11-19 04:47:37,048 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:37,050 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:47:37,050 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:47:37,051 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:47:37,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:37" (1/1) ... [2023-11-19 04:47:37,205 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:37" (1/1) ... [2023-11-19 04:47:37,496 INFO L138 Inliner]: procedures = 556, calls = 3054, calls flagged for inlining = 291, calls inlined = 260, statements flattened = 8807 [2023-11-19 04:47:37,500 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:47:37,500 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:47:37,501 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:47:37,501 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:47:37,510 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:37" (1/1) ... [2023-11-19 04:47:37,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:37" (1/1) ... [2023-11-19 04:47:37,576 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:37" (1/1) ... [2023-11-19 04:47:37,576 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:37" (1/1) ... [2023-11-19 04:47:37,751 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:37" (1/1) ... [2023-11-19 04:47:37,782 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:37" (1/1) ... [2023-11-19 04:47:37,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:37" (1/1) ... [2023-11-19 04:47:37,921 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:37" (1/1) ... [2023-11-19 04:47:37,978 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:47:37,979 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:47:37,980 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:47:37,980 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:47:37,981 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:37" (1/1) ... [2023-11-19 04:47:37,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:47:37,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96b222e-2103-471e-af1b-1fdcafc59e96/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:47:38,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96b222e-2103-471e-af1b-1fdcafc59e96/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:47:38,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96b222e-2103-471e-af1b-1fdcafc59e96/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:47:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-19 04:47:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-19 04:47:38,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:47:38,068 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:47:38,068 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-19 04:47:38,068 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-19 04:47:38,068 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 04:47:38,069 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 04:47:38,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_86 [2023-11-19 04:47:38,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_86 [2023-11-19 04:47:38,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:47:38,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:47:38,069 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 04:47:38,070 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 04:47:38,070 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 04:47:38,070 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 04:47:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 04:47:38,072 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 04:47:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2023-11-19 04:47:38,072 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2023-11-19 04:47:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 04:47:38,072 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 04:47:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-19 04:47:38,072 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-19 04:47:38,073 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 04:47:38,073 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 04:47:38,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 04:47:38,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 04:47:38,074 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 04:47:38,074 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 04:47:38,074 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 04:47:38,074 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 04:47:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 04:47:38,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 04:47:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 04:47:38,075 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 04:47:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:47:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2023-11-19 04:47:38,075 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2023-11-19 04:47:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 04:47:38,076 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 04:47:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-19 04:47:38,077 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-19 04:47:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 04:47:38,078 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 04:47:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:47:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2023-11-19 04:47:38,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2023-11-19 04:47:38,079 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 04:47:38,079 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 04:47:38,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-19 04:47:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-19 04:47:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:47:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 04:47:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 04:47:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2023-11-19 04:47:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2023-11-19 04:47:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:47:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 04:47:38,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 04:47:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-19 04:47:38,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-19 04:47:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 04:47:38,082 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 04:47:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2023-11-19 04:47:38,083 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2023-11-19 04:47:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 04:47:38,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 04:47:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 04:47:38,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 04:47:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 04:47:38,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 04:47:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 04:47:38,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 04:47:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 04:47:38,085 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 04:47:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 04:47:38,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 04:47:38,086 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2023-11-19 04:47:38,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2023-11-19 04:47:38,087 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-19 04:47:38,087 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-19 04:47:38,087 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2023-11-19 04:47:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2023-11-19 04:47:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:47:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 04:47:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 04:47:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 04:47:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 04:47:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-11-19 04:47:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-11-19 04:47:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2023-11-19 04:47:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2023-11-19 04:47:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-19 04:47:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-19 04:47:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-19 04:47:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-19 04:47:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2023-11-19 04:47:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2023-11-19 04:47:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:47:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-19 04:47:38,093 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-19 04:47:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 04:47:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 04:47:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 04:47:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 04:47:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:47:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 04:47:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:47:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:47:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2023-11-19 04:47:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2023-11-19 04:47:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2023-11-19 04:47:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2023-11-19 04:47:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-19 04:47:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-19 04:47:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-19 04:47:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-19 04:47:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_pcnet32_private [2023-11-19 04:47:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_pcnet32_private [2023-11-19 04:47:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 04:47:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 04:47:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2023-11-19 04:47:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2023-11-19 04:47:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-19 04:47:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-19 04:47:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-19 04:47:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-19 04:47:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 04:47:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 04:47:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 04:47:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 04:47:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 04:47:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 04:47:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2023-11-19 04:47:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2023-11-19 04:47:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-19 04:47:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-19 04:47:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 04:47:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 04:47:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2023-11-19 04:47:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2023-11-19 04:47:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-19 04:47:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-19 04:47:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:47:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:47:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 04:47:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 04:47:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:47:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:47:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:47:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:47:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2023-11-19 04:47:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2023-11-19 04:47:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2023-11-19 04:47:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2023-11-19 04:47:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_regs_len [2023-11-19 04:47:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_regs_len [2023-11-19 04:47:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-19 04:47:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 04:47:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 04:47:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2023-11-19 04:47:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2023-11-19 04:47:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2023-11-19 04:47:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2023-11-19 04:47:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 04:47:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 04:47:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:47:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:47:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-19 04:47:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-19 04:47:38,113 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 04:47:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 04:47:38,113 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-19 04:47:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-19 04:47:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2023-11-19 04:47:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2023-11-19 04:47:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2023-11-19 04:47:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2023-11-19 04:47:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2023-11-19 04:47:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2023-11-19 04:47:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2023-11-19 04:47:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2023-11-19 04:47:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 04:47:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 04:47:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:47:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2023-11-19 04:47:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2023-11-19 04:47:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 04:47:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 04:47:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:47:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_pcnet32_private [2023-11-19 04:47:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_pcnet32_private [2023-11-19 04:47:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:47:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2023-11-19 04:47:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2023-11-19 04:47:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:47:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:47:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2023-11-19 04:47:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2023-11-19 04:47:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-19 04:47:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-19 04:47:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 04:47:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 04:47:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2023-11-19 04:47:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2023-11-19 04:47:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 04:47:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 04:47:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2023-11-19 04:47:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2023-11-19 04:47:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-19 04:47:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-19 04:47:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-19 04:47:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-19 04:47:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2023-11-19 04:47:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2023-11-19 04:47:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2023-11-19 04:47:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2023-11-19 04:47:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2023-11-19 04:47:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2023-11-19 04:47:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2023-11-19 04:47:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2023-11-19 04:47:38,122 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-19 04:47:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-19 04:47:38,122 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-19 04:47:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-19 04:47:38,122 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 04:47:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 04:47:38,123 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2023-11-19 04:47:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2023-11-19 04:47:38,127 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 04:47:38,128 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 04:47:38,128 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2023-11-19 04:47:38,128 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2023-11-19 04:47:38,128 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2023-11-19 04:47:38,128 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2023-11-19 04:47:38,128 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-19 04:47:38,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-19 04:47:38,129 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 04:47:38,129 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 04:47:38,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:47:38,129 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2023-11-19 04:47:38,129 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2023-11-19 04:47:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:47:38,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:47:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-19 04:47:38,130 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-19 04:47:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-19 04:47:38,130 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-19 04:47:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2023-11-19 04:47:38,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2023-11-19 04:47:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2023-11-19 04:47:38,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2023-11-19 04:47:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-11-19 04:47:38,131 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-11-19 04:47:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_nway_reset [2023-11-19 04:47:38,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_nway_reset [2023-11-19 04:47:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 04:47:38,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 04:47:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-19 04:47:38,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-19 04:47:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 04:47:38,131 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 04:47:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-19 04:47:38,131 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-19 04:47:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-19 04:47:38,132 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-19 04:47:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:47:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-19 04:47:38,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-19 04:47:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-19 04:47:38,132 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-19 04:47:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 04:47:38,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 04:47:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-19 04:47:38,133 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-19 04:47:39,325 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:47:39,333 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:47:39,649 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:47:49,764 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 04:47:49,948 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:47:54,559 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:47:54,559 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-19 04:47:54,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:54 BoogieIcfgContainer [2023-11-19 04:47:54,575 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:47:54,578 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:47:54,578 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:47:54,581 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:47:54,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:47:31" (1/3) ... [2023-11-19 04:47:54,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11177da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:54, skipping insertion in model container [2023-11-19 04:47:54,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:37" (2/3) ... [2023-11-19 04:47:54,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11177da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:54, skipping insertion in model container [2023-11-19 04:47:54,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:54" (3/3) ... [2023-11-19 04:47:54,583 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-11-19 04:47:54,602 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:47:54,603 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:47:54,692 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:47:54,698 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;@4e74c78a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:47:54,699 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:47:54,712 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) [2023-11-19 04:47:54,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-11-19 04:47:54,772 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:47:54,773 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] [2023-11-19 04:47:54,774 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:47:54,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:47:54,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1064901820, now seen corresponding path program 1 times [2023-11-19 04:47:54,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:47:54,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816574837] [2023-11-19 04:47:54,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:54,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:47:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:47:56,253 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2023-11-19 04:47:56,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:47:56,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816574837] [2023-11-19 04:47:56,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816574837] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:47:56,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:47:56,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:47:56,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807073730] [2023-11-19 04:47:56,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:47:56,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:47:56,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:47:56,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:47:56,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:47:56,321 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) [2023-11-19 04:48:01,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:48:03,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:48:04,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:48:05,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:48:05,463 INFO L93 Difference]: Finished difference Result 6494 states and 9635 transitions. [2023-11-19 04:48:05,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:48:05,466 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 [2023-11-19 04:48:05,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:48:05,538 INFO L225 Difference]: With dead ends: 6494 [2023-11-19 04:48:05,538 INFO L226 Difference]: Without dead ends: 4122 [2023-11-19 04:48:05,564 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 [2023-11-19 04:48:05,567 INFO L413 NwaCegarLoop]: 3148 mSDtfsCounter, 2973 mSDsluCounter, 2791 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 17 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2973 SdHoareTripleChecker+Valid, 5939 SdHoareTripleChecker+Invalid, 1066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2023-11-19 04:48:05,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2973 Valid, 5939 Invalid, 1066 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 1047 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2023-11-19 04:48:05,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4122 states. [2023-11-19 04:48:05,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4122 to 4119. [2023-11-19 04:48:05,968 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) [2023-11-19 04:48:06,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4119 states to 4119 states and 6028 transitions. [2023-11-19 04:48:06,020 INFO L78 Accepts]: Start accepts. Automaton has 4119 states and 6028 transitions. Word has length 225 [2023-11-19 04:48:06,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:48:06,022 INFO L495 AbstractCegarLoop]: Abstraction has 4119 states and 6028 transitions. [2023-11-19 04:48:06,022 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) [2023-11-19 04:48:06,023 INFO L276 IsEmpty]: Start isEmpty. Operand 4119 states and 6028 transitions. [2023-11-19 04:48:06,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-11-19 04:48:06,040 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:48:06,041 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] [2023-11-19 04:48:06,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:48:06,041 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:48:06,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:48:06,042 INFO L85 PathProgramCache]: Analyzing trace with hash 966196864, now seen corresponding path program 1 times [2023-11-19 04:48:06,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:48:06,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84781871] [2023-11-19 04:48:06,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:48:06,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:48:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:48:06,442 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2023-11-19 04:48:06,442 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:48:06,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84781871] [2023-11-19 04:48:06,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84781871] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:48:06,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:48:06,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:48:06,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423847933] [2023-11-19 04:48:06,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:48:06,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:48:06,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:48:06,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:48:06,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:48:06,453 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) [2023-11-19 04:48:09,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:48:13,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:48:15,304 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 [] [2023-11-19 04:48:16,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:48:16,222 INFO L93 Difference]: Finished difference Result 11049 states and 16059 transitions. [2023-11-19 04:48:16,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:48:16,223 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 235 [2023-11-19 04:48:16,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:48:16,280 INFO L225 Difference]: With dead ends: 11049 [2023-11-19 04:48:16,281 INFO L226 Difference]: Without dead ends: 6957 [2023-11-19 04:48:16,304 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 [2023-11-19 04:48:16,305 INFO L413 NwaCegarLoop]: 2746 mSDtfsCounter, 2326 mSDsluCounter, 2676 mSDsCounter, 0 mSdLazyCounter, 986 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2326 SdHoareTripleChecker+Valid, 5422 SdHoareTripleChecker+Invalid, 996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 986 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2023-11-19 04:48:16,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2326 Valid, 5422 Invalid, 996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 986 Invalid, 3 Unknown, 0 Unchecked, 9.3s Time] [2023-11-19 04:48:16,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6957 states. [2023-11-19 04:48:16,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6957 to 6952. [2023-11-19 04:48:16,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6952 states, 4235 states have (on average 1.3046044864226682) internal successors, (5525), 4337 states have internal predecessors, (5525), 2263 states have call successors, (2263), 454 states have call predecessors, (2263), 453 states have return successors, (2269), 2219 states have call predecessors, (2269), 2263 states have call successors, (2269) [2023-11-19 04:48:16,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6952 states to 6952 states and 10057 transitions. [2023-11-19 04:48:16,763 INFO L78 Accepts]: Start accepts. Automaton has 6952 states and 10057 transitions. Word has length 235 [2023-11-19 04:48:16,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:48:16,765 INFO L495 AbstractCegarLoop]: Abstraction has 6952 states and 10057 transitions. [2023-11-19 04:48:16,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2023-11-19 04:48:16,783 INFO L276 IsEmpty]: Start isEmpty. Operand 6952 states and 10057 transitions. [2023-11-19 04:48:16,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2023-11-19 04:48:16,799 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:48:16,799 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 5, 5, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:48:16,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:48:16,800 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:48:16,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:48:16,800 INFO L85 PathProgramCache]: Analyzing trace with hash -193234151, now seen corresponding path program 1 times [2023-11-19 04:48:16,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:48:16,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363629153] [2023-11-19 04:48:16,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:48:16,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:48:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:48:17,606 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 784 trivial. 0 not checked. [2023-11-19 04:48:17,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:48:17,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363629153] [2023-11-19 04:48:17,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363629153] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:48:17,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:48:17,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:48:17,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312848706] [2023-11-19 04:48:17,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:48:17,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:48:17,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:48:17,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:48:17,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:48:17,614 INFO L87 Difference]: Start difference. First operand 6952 states and 10057 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38)