./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5673ae88-9d98-4f45-9264-1edc66e3792d/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5673ae88-9d98-4f45-9264-1edc66e3792d/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5673ae88-9d98-4f45-9264-1edc66e3792d/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5673ae88-9d98-4f45-9264-1edc66e3792d/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5673ae88-9d98-4f45-9264-1edc66e3792d/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5673ae88-9d98-4f45-9264-1edc66e3792d/bin/uautomizer-verify-uTZkv6EMXl --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:26:08,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:26:08,318 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5673ae88-9d98-4f45-9264-1edc66e3792d/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:26:08,324 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:26:08,325 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:26:08,354 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:26:08,355 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:26:08,355 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:26:08,356 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:26:08,357 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:26:08,358 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:26:08,359 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:26:08,359 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:26:08,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:26:08,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:26:08,361 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:26:08,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:26:08,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:26:08,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:26:08,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:26:08,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:26:08,365 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:26:08,365 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:26:08,366 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:26:08,366 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:26:08,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:26:08,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:26:08,368 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:26:08,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:26:08,369 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:26:08,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:26:08,370 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:26:08,370 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:26:08,371 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:26:08,371 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:26:08,372 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:26:08,372 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_5673ae88-9d98-4f45-9264-1edc66e3792d/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5673ae88-9d98-4f45-9264-1edc66e3792d/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc [2023-11-12 02:26:08,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:26:08,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:26:08,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:26:08,654 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:26:08,655 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:26:08,656 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5673ae88-9d98-4f45-9264-1edc66e3792d/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2023-11-12 02:26:12,098 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:26:12,767 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:26:12,767 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5673ae88-9d98-4f45-9264-1edc66e3792d/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2023-11-12 02:26:12,845 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5673ae88-9d98-4f45-9264-1edc66e3792d/bin/uautomizer-verify-uTZkv6EMXl/data/c246f2276/e125eabb72a8493884692f454000e2d4/FLAGa35dd38ad [2023-11-12 02:26:12,866 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5673ae88-9d98-4f45-9264-1edc66e3792d/bin/uautomizer-verify-uTZkv6EMXl/data/c246f2276/e125eabb72a8493884692f454000e2d4 [2023-11-12 02:26:12,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:26:12,870 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:26:12,872 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:26:12,872 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:26:12,877 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:26:12,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:26:12" (1/1) ... [2023-11-12 02:26:12,879 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ecdbe15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:12, skipping insertion in model container [2023-11-12 02:26:12,879 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:26:12" (1/1) ... [2023-11-12 02:26:13,104 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:26:16,374 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_5673ae88-9d98-4f45-9264-1edc66e3792d/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2023-11-12 02:26:16,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:26:16,511 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:26:16,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4931] [2023-11-12 02:26:16,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4938] [2023-11-12 02:26:16,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4945-4946] [2023-11-12 02:26:16,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [4959-4960] [2023-11-12 02:26:16,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4979] [2023-11-12 02:26:16,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4981] [2023-11-12 02:26:16,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4983] [2023-11-12 02:26:16,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4986] [2023-11-12 02:26:16,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/arch/x86/include/asm/paravirt.h"), "i" (853), "i" (12UL)); [5024-5025] [2023-11-12 02:26:16,697 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" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5030-5032] [2023-11-12 02:26:16,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5147] [2023-11-12 02:26:16,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5154] [2023-11-12 02:26:16,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5161] [2023-11-12 02:26:16,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5168] [2023-11-12 02:26:16,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5175] [2023-11-12 02:26:16,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5182] [2023-11-12 02:26:17,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (idle_mode): "ebx"); [9668] [2023-11-12 02:26:17,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (idle_mode): "ebx"); [9670] [2023-11-12 02:26:17,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (idle_mode): "ebx"); [9673] [2023-11-12 02:26:17,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (idle_mode): "ebx"); [9675] [2023-11-12 02:26:17,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (idle_mode): "ebx"); [9678] [2023-11-12 02:26:17,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu), "=d" (__val_gu): "0" (mask_ptr)); [9921] [2023-11-12 02:26:17,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu), "=d" (__val_gu): "0" (mask_ptr)); [9923] [2023-11-12 02:26:17,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu), "=d" (__val_gu): "0" (mask_ptr)); [9926] [2023-11-12 02:26:17,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu), "=d" (__val_gu): "0" (mask_ptr)); [9928] [2023-11-12 02:26:17,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu), "=d" (__val_gu): "0" (mask_ptr)); [9931] [2023-11-12 02:26:17,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10006] [2023-11-12 02:26:17,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10012] [2023-11-12 02:26:17,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10018] [2023-11-12 02:26:17,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10025] [2023-11-12 02:26:17,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___0), "+m" (*__ptr___3): "0" (__x___0): "memory"); [10066] [2023-11-12 02:26:17,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___0), "+m" (*__ptr___4): "0" (__x___0): "memory"); [10072] [2023-11-12 02:26:17,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___0), "+m" (*__ptr___5): "0" (__x___0): "memory"); [10078] [2023-11-12 02:26:17,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___0), "+m" (*__ptr___6): "0" (__x___0): "memory"); [10085] [2023-11-12 02:26:17,077 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___1), "+m" (*__ptr___7): "0" (__x___1): "memory"); [10197] [2023-11-12 02:26:17,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___1), "+m" (*__ptr___8): "0" (__x___1): "memory"); [10203] [2023-11-12 02:26:17,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___1), "+m" (*__ptr___9): "0" (__x___1): "memory"); [10209] [2023-11-12 02:26:17,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___1), "+m" (*__ptr___10): "0" (__x___1): "memory"); [10216] [2023-11-12 02:26:17,082 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [10256-10257] [2023-11-12 02:26:17,083 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [10259-10260] [2023-11-12 02:26:17,083 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [10263-10264] [2023-11-12 02:26:17,084 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [10266-10267] [2023-11-12 02:26:17,085 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [10270-10271] [2023-11-12 02:26:17,088 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (if_mode): "ebx"); [10302] [2023-11-12 02:26:17,088 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (if_mode): "ebx"); [10304] [2023-11-12 02:26:17,089 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (if_mode): "ebx"); [10307] [2023-11-12 02:26:17,089 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (if_mode): "ebx"); [10309] [2023-11-12 02:26:17,089 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (if_mode): "ebx"); [10312] [2023-11-12 02:26:17,092 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (xsync): "ebx"); [10374] [2023-11-12 02:26:17,092 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (xsync): "ebx"); [10376] [2023-11-12 02:26:17,092 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (xsync): "ebx"); [10379] [2023-11-12 02:26:17,093 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (xsync): "ebx"); [10381] [2023-11-12 02:26:17,093 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (xsync): "ebx"); [10384] [2023-11-12 02:26:17,095 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (xctrl): "ebx"); [10436] [2023-11-12 02:26:17,095 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (xctrl): "ebx"); [10438] [2023-11-12 02:26:17,096 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (xctrl): "ebx"); [10441] [2023-11-12 02:26:17,096 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (xctrl): "ebx"); [10443] [2023-11-12 02:26:17,096 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (xctrl): "ebx"); [10446] [2023-11-12 02:26:17,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10594] [2023-11-12 02:26:17,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10600] [2023-11-12 02:26:17,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10606] [2023-11-12 02:26:17,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10613] [2023-11-12 02:26:17,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10657] [2023-11-12 02:26:17,107 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10663] [2023-11-12 02:26:17,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10669] [2023-11-12 02:26:17,109 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10676] [2023-11-12 02:26:17,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10884] [2023-11-12 02:26:17,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10890] [2023-11-12 02:26:17,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10896] [2023-11-12 02:26:17,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10903] [2023-11-12 02:26:17,124 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___0), "+m" (*__ptr___3): "0" (__x___0): "memory"); [10942] [2023-11-12 02:26:17,124 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___0), "+m" (*__ptr___4): "0" (__x___0): "memory"); [10948] [2023-11-12 02:26:17,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___0), "+m" (*__ptr___5): "0" (__x___0): "memory"); [10954] [2023-11-12 02:26:17,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___0), "+m" (*__ptr___6): "0" (__x___0): "memory"); [10961] [2023-11-12 02:26:17,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___1), "+m" (*__ptr___7): "0" (__x___1): "memory"); [11039] [2023-11-12 02:26:17,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___1), "+m" (*__ptr___8): "0" (__x___1): "memory"); [11045] [2023-11-12 02:26:17,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___1), "+m" (*__ptr___9): "0" (__x___1): "memory"); [11051] [2023-11-12 02:26:17,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___1), "+m" (*__ptr___10): "0" (__x___1): "memory"); [11058] [2023-11-12 02:26:17,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [11304] [2023-11-12 02:26:17,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [11310] [2023-11-12 02:26:17,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [11316] [2023-11-12 02:26:17,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [11323] [2023-11-12 02:26:17,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___0), "+m" (*__ptr___3): "0" (__x___0): "memory"); [11394] [2023-11-12 02:26:17,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___0), "+m" (*__ptr___4): "0" (__x___0): "memory"); [11400] [2023-11-12 02:26:17,149 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___0), "+m" (*__ptr___5): "0" (__x___0): "memory"); [11406] [2023-11-12 02:26:17,150 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___0), "+m" (*__ptr___6): "0" (__x___0): "memory"); [11413] [2023-11-12 02:26:17,312 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_5673ae88-9d98-4f45-9264-1edc66e3792d/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2023-11-12 02:26:17,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:26:17,671 WARN L672 CHandler]: The function strcat is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:26:17,671 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:26:17,672 WARN L672 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:26:17,672 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:26:17,672 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:26:17,680 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:26:17,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:17 WrapperNode [2023-11-12 02:26:17,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:26:17,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:26:17,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:26:17,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:26:17,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:17" (1/1) ... [2023-11-12 02:26:17,827 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:17" (1/1) ... [2023-11-12 02:26:18,170 INFO L138 Inliner]: procedures = 343, calls = 3676, calls flagged for inlining = 192, calls inlined = 173, statements flattened = 10099 [2023-11-12 02:26:18,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:26:18,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:26:18,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:26:18,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:26:18,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:17" (1/1) ... [2023-11-12 02:26:18,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:17" (1/1) ... [2023-11-12 02:26:18,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:17" (1/1) ... [2023-11-12 02:26:18,286 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:17" (1/1) ... [2023-11-12 02:26:18,478 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:17" (1/1) ... [2023-11-12 02:26:18,517 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:17" (1/1) ... [2023-11-12 02:26:18,640 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:17" (1/1) ... [2023-11-12 02:26:18,674 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:17" (1/1) ... [2023-11-12 02:26:18,746 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:26:18,749 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:26:18,749 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:26:18,749 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:26:18,750 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:17" (1/1) ... [2023-11-12 02:26:18,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:26:18,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5673ae88-9d98-4f45-9264-1edc66e3792d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:26:18,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5673ae88-9d98-4f45-9264-1edc66e3792d/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:26:18,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5673ae88-9d98-4f45-9264-1edc66e3792d/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:26:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2023-11-12 02:26:18,837 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2023-11-12 02:26:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-12 02:26:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:26:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:26:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 02:26:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 02:26:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-12 02:26:18,840 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-12 02:26:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-12 02:26:18,840 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-12 02:26:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2023-11-12 02:26:18,840 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2023-11-12 02:26:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:26:18,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:26:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2023-11-12 02:26:18,841 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2023-11-12 02:26:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-12 02:26:18,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-12 02:26:18,842 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2023-11-12 02:26:18,842 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2023-11-12 02:26:18,842 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 02:26:18,842 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 02:26:18,842 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2023-11-12 02:26:18,843 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2023-11-12 02:26:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-11-12 02:26:18,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-11-12 02:26:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-12 02:26:18,844 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-12 02:26:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 02:26:18,844 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 02:26:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:26:18,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:26:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 02:26:18,846 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 02:26:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure free_bufs [2023-11-12 02:26:18,846 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bufs [2023-11-12 02:26:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-12 02:26:18,847 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-12 02:26:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2023-11-12 02:26:18,847 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2023-11-12 02:26:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2023-11-12 02:26:18,847 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2023-11-12 02:26:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-12 02:26:18,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-12 02:26:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 02:26:18,848 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 02:26:18,849 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2023-11-12 02:26:18,849 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2023-11-12 02:26:18,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:26:18,849 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 02:26:18,850 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-12 02:26:18,850 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2023-11-12 02:26:18,850 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2023-11-12 02:26:18,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:26:18,851 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rbufs [2023-11-12 02:26:18,851 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rbufs [2023-11-12 02:26:18,851 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2023-11-12 02:26:18,851 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2023-11-12 02:26:18,852 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-12 02:26:18,852 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-12 02:26:18,852 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 02:26:18,852 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 02:26:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-11-12 02:26:18,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-11-12 02:26:18,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:26:18,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:26:18,857 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2023-11-12 02:26:18,857 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2023-11-12 02:26:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2023-11-12 02:26:18,858 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2023-11-12 02:26:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-12 02:26:18,860 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-12 02:26:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:26:18,867 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:26:18,867 INFO L130 BoogieDeclarations]: Found specification of procedure async_mode [2023-11-12 02:26:18,867 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mode [2023-11-12 02:26:18,867 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2023-11-12 02:26:18,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2023-11-12 02:26:18,868 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-11-12 02:26:18,868 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-11-12 02:26:18,868 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 02:26:18,868 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 02:26:18,868 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-12 02:26:18,868 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-12 02:26:18,869 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-12 02:26:18,869 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-12 02:26:18,869 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2023-11-12 02:26:18,869 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2023-11-12 02:26:18,869 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 02:26:18,869 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 02:26:18,870 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2023-11-12 02:26:18,870 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2023-11-12 02:26:18,870 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-12 02:26:18,870 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-12 02:26:18,870 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-12 02:26:18,870 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-12 02:26:18,871 INFO L130 BoogieDeclarations]: Found specification of procedure update_tx_timer [2023-11-12 02:26:18,871 INFO L138 BoogieDeclarations]: Found implementation of procedure update_tx_timer [2023-11-12 02:26:18,871 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bufs [2023-11-12 02:26:18,871 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bufs [2023-11-12 02:26:18,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:26:18,871 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-12 02:26:18,872 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-12 02:26:18,872 INFO L130 BoogieDeclarations]: Found specification of procedure msc_set_vcr [2023-11-12 02:26:18,872 INFO L138 BoogieDeclarations]: Found implementation of procedure msc_set_vcr [2023-11-12 02:26:18,872 INFO L130 BoogieDeclarations]: Found specification of procedure isr_txeom [2023-11-12 02:26:18,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_txeom [2023-11-12 02:26:18,872 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 02:26:18,873 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 02:26:18,873 INFO L130 BoogieDeclarations]: Found specification of procedure setup_timer_key [2023-11-12 02:26:18,873 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_timer_key [2023-11-12 02:26:18,874 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 02:26:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 02:26:18,874 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_reset [2023-11-12 02:26:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_reset [2023-11-12 02:26:18,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:26:18,874 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2023-11-12 02:26:18,875 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2023-11-12 02:26:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2023-11-12 02:26:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2023-11-12 02:26:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_cleanup [2023-11-12 02:26:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_cleanup [2023-11-12 02:26:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:26:18,877 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 02:26:18,877 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 02:26:18,877 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 02:26:18,877 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 02:26:18,877 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2023-11-12 02:26:18,877 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2023-11-12 02:26:18,878 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2023-11-12 02:26:18,878 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2023-11-12 02:26:18,878 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-12 02:26:18,878 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-12 02:26:18,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 02:26:18,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 02:26:18,879 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2023-11-12 02:26:18,879 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2023-11-12 02:26:18,879 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 02:26:18,879 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 02:26:18,879 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 02:26:18,879 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 02:26:18,879 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load [2023-11-12 02:26:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load [2023-11-12 02:26:18,880 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg32 [2023-11-12 02:26:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg32 [2023-11-12 02:26:18,880 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2023-11-12 02:26:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2023-11-12 02:26:18,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 02:26:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 02:26:18,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:26:18,881 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-12 02:26:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-12 02:26:18,881 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2023-11-12 02:26:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2023-11-12 02:26:18,882 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg32 [2023-11-12 02:26:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg32 [2023-11-12 02:26:18,882 INFO L130 BoogieDeclarations]: Found specification of procedure isr_rxdata [2023-11-12 02:26:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_rxdata [2023-11-12 02:26:18,882 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2023-11-12 02:26:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2023-11-12 02:26:18,882 INFO L130 BoogieDeclarations]: Found specification of procedure tbuf_bytes [2023-11-12 02:26:18,883 INFO L138 BoogieDeclarations]: Found implementation of procedure tbuf_bytes [2023-11-12 02:26:18,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:26:18,883 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2023-11-12 02:26:18,883 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2023-11-12 02:26:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-12 02:26:18,884 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-12 02:26:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:26:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2023-11-12 02:26:18,884 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2023-11-12 02:26:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2023-11-12 02:26:18,885 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2023-11-12 02:26:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:26:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 02:26:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg16 [2023-11-12 02:26:18,885 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg16 [2023-11-12 02:26:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2023-11-12 02:26:18,886 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2023-11-12 02:26:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-12 02:26:18,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-12 02:26:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg16 [2023-11-12 02:26:18,886 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg16 [2023-11-12 02:26:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 02:26:18,886 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 02:26:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure sync_mode [2023-11-12 02:26:18,887 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_mode [2023-11-12 02:26:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2023-11-12 02:26:18,887 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2023-11-12 02:26:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2023-11-12 02:26:18,887 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2023-11-12 02:26:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 02:26:18,892 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 02:26:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2023-11-12 02:26:18,893 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2023-11-12 02:26:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-12 02:26:18,893 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-12 02:26:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure free_tmp_rbuf [2023-11-12 02:26:18,893 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tmp_rbuf [2023-11-12 02:26:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-12 02:26:18,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-12 02:26:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure tdma_reset [2023-11-12 02:26:18,895 INFO L138 BoogieDeclarations]: Found implementation of procedure tdma_reset [2023-11-12 02:26:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2023-11-12 02:26:18,895 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2023-11-12 02:26:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 02:26:18,895 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 02:26:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:26:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2023-11-12 02:26:18,896 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2023-11-12 02:26:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2023-11-12 02:26:18,896 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2023-11-12 02:26:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg8 [2023-11-12 02:26:18,896 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg8 [2023-11-12 02:26:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2023-11-12 02:26:18,897 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2023-11-12 02:26:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:26:18,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:26:19,967 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:26:19,972 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:26:20,366 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 02:26:20,491 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume !false; [2023-11-12 02:26:20,491 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume false; [2023-11-12 02:26:20,751 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-11-12 02:26:20,751 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-11-12 02:26:21,466 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 02:26:21,737 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume false; [2023-11-12 02:26:21,738 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume !false; [2023-11-12 02:26:22,215 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 02:26:22,220 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 02:26:22,686 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##426: assume !false; [2023-11-12 02:26:22,687 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##425: assume false; [2023-11-12 02:26:22,687 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##187: assume !false; [2023-11-12 02:26:22,687 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##186: assume false; [2023-11-12 02:26:23,021 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 02:26:38,871 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##405: assume false; [2023-11-12 02:26:38,871 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##406: assume !false; [2023-11-12 02:26:38,872 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##429: assume false; [2023-11-12 02:26:38,872 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##430: assume !false; [2023-11-12 02:26:38,872 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##441: assume false; [2023-11-12 02:26:38,872 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##442: assume !false; [2023-11-12 02:26:38,872 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint L10940: SUMMARY for call modem_input_wait_#t~ret1524#1.base, modem_input_wait_#t~ret1524#1.offset := get_current(); srcloc: null [2023-11-12 02:26:38,872 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint L10940-1: modem_input_wait_~tmp___8~2#1.base, modem_input_wait_~tmp___8~2#1.offset := modem_input_wait_#t~ret1524#1.base, modem_input_wait_#t~ret1524#1.offset;havoc modem_input_wait_#t~ret1524#1.base, modem_input_wait_#t~ret1524#1.offset;modem_input_wait_~__ptr___3~1#1.base, modem_input_wait_~__ptr___3~1#1.offset := modem_input_wait_~tmp___8~2#1.base, modem_input_wait_~tmp___8~2#1.offset; [2023-11-12 02:26:38,872 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882: SUMMARY for call modem_input_wait_#t~ret1493#1.base, modem_input_wait_#t~ret1493#1.offset := get_current(); srcloc: null [2023-11-12 02:26:38,872 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882-1: modem_input_wait_~tmp___1~21#1.base, modem_input_wait_~tmp___1~21#1.offset := modem_input_wait_#t~ret1493#1.base, modem_input_wait_#t~ret1493#1.offset;havoc modem_input_wait_#t~ret1493#1.base, modem_input_wait_#t~ret1493#1.offset;modem_input_wait_~__ptr~3#1.base, modem_input_wait_~__ptr~3#1.offset := modem_input_wait_~tmp___1~21#1.base, modem_input_wait_~tmp___1~21#1.offset; [2023-11-12 02:26:38,873 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##492: assume !false; [2023-11-12 02:26:38,873 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##491: assume false; [2023-11-12 02:26:38,873 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##286: assume !false; [2023-11-12 02:26:38,873 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##285: assume false; [2023-11-12 02:26:38,873 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##217: assume !false; [2023-11-12 02:26:38,873 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##216: assume false; [2023-11-12 02:26:38,873 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##221: assume false; [2023-11-12 02:26:38,873 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##222: assume !false; [2023-11-12 02:26:38,873 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##229: assume !false; [2023-11-12 02:26:38,874 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##228: assume false; [2023-11-12 02:26:38,874 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##469: assume !false; [2023-11-12 02:26:38,874 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##468: assume false; [2023-11-12 02:26:38,874 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint L11037-1: modem_input_wait_~tmp___12~1#1.base, modem_input_wait_~tmp___12~1#1.offset := modem_input_wait_#t~ret1571#1.base, modem_input_wait_#t~ret1571#1.offset;havoc modem_input_wait_#t~ret1571#1.base, modem_input_wait_#t~ret1571#1.offset;modem_input_wait_~__ptr___7~1#1.base, modem_input_wait_~__ptr___7~1#1.offset := modem_input_wait_~tmp___12~1#1.base, modem_input_wait_~tmp___12~1#1.offset; [2023-11-12 02:26:38,874 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint L11037: SUMMARY for call modem_input_wait_#t~ret1571#1.base, modem_input_wait_#t~ret1571#1.offset := get_current(); srcloc: null [2023-11-12 02:26:38,874 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##561: assume !false; [2023-11-12 02:26:38,874 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##560: assume false; [2023-11-12 02:26:38,874 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint L10655-1: remove_cond_wait_~tmp~91#1.base, remove_cond_wait_~tmp~91#1.offset := remove_cond_wait_#t~ret1424#1.base, remove_cond_wait_#t~ret1424#1.offset;havoc remove_cond_wait_#t~ret1424#1.base, remove_cond_wait_#t~ret1424#1.offset;remove_cond_wait_~__ptr~2#1.base, remove_cond_wait_~__ptr~2#1.offset := remove_cond_wait_~tmp~91#1.base, remove_cond_wait_~tmp~91#1.offset; [2023-11-12 02:26:38,874 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint L10655: SUMMARY for call remove_cond_wait_#t~ret1424#1.base, remove_cond_wait_#t~ret1424#1.offset := get_current(); srcloc: null [2023-11-12 02:26:38,874 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint L10195: SUMMARY for call wait_mgsl_event_#t~ret1347#1.base, wait_mgsl_event_#t~ret1347#1.offset := get_current(); srcloc: null [2023-11-12 02:26:38,875 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint L10195-1: wait_mgsl_event_~tmp___26~0#1.base, wait_mgsl_event_~tmp___26~0#1.offset := wait_mgsl_event_#t~ret1347#1.base, wait_mgsl_event_#t~ret1347#1.offset;havoc wait_mgsl_event_#t~ret1347#1.base, wait_mgsl_event_#t~ret1347#1.offset;wait_mgsl_event_~__ptr___7~0#1.base, wait_mgsl_event_~__ptr___7~0#1.offset := wait_mgsl_event_~tmp___26~0#1.base, wait_mgsl_event_~tmp___26~0#1.offset; [2023-11-12 02:26:38,875 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint L10592: SUMMARY for call add_cond_wait_#t~ret1419#1.base, add_cond_wait_#t~ret1419#1.offset := get_current(); srcloc: null [2023-11-12 02:26:38,875 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint L10592-1: add_cond_wait_~tmp~90#1.base, add_cond_wait_~tmp~90#1.offset := add_cond_wait_#t~ret1419#1.base, add_cond_wait_#t~ret1419#1.offset;havoc add_cond_wait_#t~ret1419#1.base, add_cond_wait_#t~ret1419#1.offset;add_cond_wait_~__ptr~1#1.base, add_cond_wait_~__ptr~1#1.offset := add_cond_wait_~tmp~90#1.base, add_cond_wait_~tmp~90#1.offset; [2023-11-12 02:26:38,875 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint L10064: SUMMARY for call wait_mgsl_event_#t~ret1271#1.base, wait_mgsl_event_#t~ret1271#1.offset := get_current(); srcloc: null [2023-11-12 02:26:38,875 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint L10064-1: wait_mgsl_event_~tmp___13~0#1.base, wait_mgsl_event_~tmp___13~0#1.offset := wait_mgsl_event_#t~ret1271#1.base, wait_mgsl_event_#t~ret1271#1.offset;havoc wait_mgsl_event_#t~ret1271#1.base, wait_mgsl_event_#t~ret1271#1.offset;wait_mgsl_event_~__ptr___3~0#1.base, wait_mgsl_event_~__ptr___3~0#1.offset := wait_mgsl_event_~tmp___13~0#1.base, wait_mgsl_event_~tmp___13~0#1.offset; [2023-11-12 02:26:38,875 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##193: assume !false; [2023-11-12 02:26:38,875 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume false; [2023-11-12 02:26:38,875 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2023-11-12 02:26:38,875 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2023-11-12 02:26:38,875 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint L10004: SUMMARY for call wait_mgsl_event_#t~ret1232#1.base, wait_mgsl_event_#t~ret1232#1.offset := get_current(); srcloc: null [2023-11-12 02:26:38,876 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint L10004-1: wait_mgsl_event_~tmp___6~1#1.base, wait_mgsl_event_~tmp___6~1#1.offset := wait_mgsl_event_#t~ret1232#1.base, wait_mgsl_event_#t~ret1232#1.offset;havoc wait_mgsl_event_#t~ret1232#1.base, wait_mgsl_event_#t~ret1232#1.offset;wait_mgsl_event_~__ptr~0#1.base, wait_mgsl_event_~__ptr~0#1.offset := wait_mgsl_event_~tmp___6~1#1.base, wait_mgsl_event_~tmp___6~1#1.offset; [2023-11-12 02:26:38,876 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##397: assume false; [2023-11-12 02:26:38,876 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##398: assume !false; [2023-11-12 02:26:38,876 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##117: assume !false; [2023-11-12 02:26:38,876 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##116: assume false; [2023-11-12 02:26:38,876 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##124: assume !false; [2023-11-12 02:26:38,876 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##123: assume false; [2023-11-12 02:26:39,341 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 02:26:39,359 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 02:26:39,365 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 02:26:39,365 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 02:26:39,367 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 02:26:53,440 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##324: assume false; [2023-11-12 02:26:53,441 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint L11392: SUMMARY for call block_til_ready_#t~ret1652#1.base, block_til_ready_#t~ret1652#1.offset := get_current(); srcloc: null [2023-11-12 02:26:53,441 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint L11392-1: block_til_ready_~tmp___9~2#1.base, block_til_ready_~tmp___9~2#1.offset := block_til_ready_#t~ret1652#1.base, block_til_ready_#t~ret1652#1.offset;havoc block_til_ready_#t~ret1652#1.base, block_til_ready_#t~ret1652#1.offset;block_til_ready_~__ptr___3~2#1.base, block_til_ready_~__ptr___3~2#1.offset := block_til_ready_~tmp___9~2#1.base, block_til_ready_~tmp___9~2#1.offset; [2023-11-12 02:26:53,441 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##325: assume !false;call ULTIMATE.dealloc(hdlcdev_ioctl_~#new_line~0#1.base, hdlcdev_ioctl_~#new_line~0#1.offset);havoc hdlcdev_ioctl_~#new_line~0#1.base, hdlcdev_ioctl_~#new_line~0#1.offset; [2023-11-12 02:26:53,441 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##342: assume false; [2023-11-12 02:26:53,441 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##343: assume !false; [2023-11-12 02:26:53,441 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##364: assume false; [2023-11-12 02:26:53,441 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##365: assume !false; [2023-11-12 02:26:53,441 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##532: assume !false; [2023-11-12 02:26:53,441 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##531: assume false; [2023-11-12 02:26:53,442 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##78: assume !false; [2023-11-12 02:26:53,442 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume false; [2023-11-12 02:26:53,442 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##568: assume !false; [2023-11-12 02:26:53,442 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##567: assume false; [2023-11-12 02:26:53,442 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint L11302-1: block_til_ready_~tmp___2~14#1.base, block_til_ready_~tmp___2~14#1.offset := block_til_ready_#t~ret1636#1.base, block_til_ready_#t~ret1636#1.offset;havoc block_til_ready_#t~ret1636#1.base, block_til_ready_#t~ret1636#1.offset;block_til_ready_~__ptr~4#1.base, block_til_ready_~__ptr~4#1.offset := block_til_ready_~tmp___2~14#1.base, block_til_ready_~tmp___2~14#1.offset; [2023-11-12 02:26:53,442 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint L11302: SUMMARY for call block_til_ready_#t~ret1636#1.base, block_til_ready_#t~ret1636#1.offset := get_current(); srcloc: null [2023-11-12 02:26:53,442 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##139: assume !false; [2023-11-12 02:26:53,443 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##138: assume false; [2023-11-12 02:26:53,852 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:26:53,890 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:26:53,890 INFO L302 CfgBuilder]: Removed 17 assume(true) statements. [2023-11-12 02:26:53,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:26:53 BoogieIcfgContainer [2023-11-12 02:26:53,900 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:26:53,905 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:26:53,906 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:26:53,909 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:26:53,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:26:12" (1/3) ... [2023-11-12 02:26:53,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@760034eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:26:53, skipping insertion in model container [2023-11-12 02:26:53,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:17" (2/3) ... [2023-11-12 02:26:53,912 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@760034eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:26:53, skipping insertion in model container [2023-11-12 02:26:53,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:26:53" (3/3) ... [2023-11-12 02:26:53,913 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2023-11-12 02:26:53,937 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:26:53,937 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:26:54,088 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:26:54,099 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=PETRI_NET, 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;@7c4ea3ae, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:26:54,099 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:26:54,122 INFO L276 IsEmpty]: Start isEmpty. Operand has 3682 states, 2858 states have (on average 1.4972008397480756) internal successors, (4279), 2925 states have internal predecessors, (4279), 733 states have call successors, (733), 99 states have call predecessors, (733), 99 states have return successors, (733), 715 states have call predecessors, (733), 733 states have call successors, (733) [2023-11-12 02:26:54,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-12 02:26:54,134 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:26:54,135 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-12 02:26:54,136 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:26:54,149 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:26:54,149 INFO L85 PathProgramCache]: Analyzing trace with hash -963967238, now seen corresponding path program 1 times [2023-11-12 02:26:54,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:26:54,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787658973] [2023-11-12 02:26:54,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:26:54,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:26:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:54,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:26:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:54,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:26:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:54,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-12 02:26:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:55,009 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 02:26:55,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:26:55,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787658973] [2023-11-12 02:26:55,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787658973] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:26:55,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:26:55,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:26:55,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105790694] [2023-11-12 02:26:55,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:26:55,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:26:55,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:26:55,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:26:55,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:26:55,072 INFO L87 Difference]: Start difference. First operand has 3682 states, 2858 states have (on average 1.4972008397480756) internal successors, (4279), 2925 states have internal predecessors, (4279), 733 states have call successors, (733), 99 states have call predecessors, (733), 99 states have return successors, (733), 715 states have call predecessors, (733), 733 states have call successors, (733) Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)