./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 30e01a73 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_703b9935-ea40-415e-9bfe-e4e63c3b5ab0/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703b9935-ea40-415e-9bfe-e4e63c3b5ab0/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703b9935-ea40-415e-9bfe-e4e63c3b5ab0/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703b9935-ea40-415e-9bfe-e4e63c3b5ab0/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.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_703b9935-ea40-415e-9bfe-e4e63c3b5ab0/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703b9935-ea40-415e-9bfe-e4e63c3b5ab0/bin/utaipan-verify-mE87zJ7Ire --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 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:10:34,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:10:34,291 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703b9935-ea40-415e-9bfe-e4e63c3b5ab0/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:10:34,297 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:10:34,297 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:10:34,340 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:10:34,341 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:10:34,342 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:10:34,343 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:10:34,343 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:10:34,344 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:10:34,345 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:10:34,345 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:10:34,346 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:10:34,346 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:10:34,347 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:10:34,347 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:10:34,348 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:10:34,348 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:10:34,349 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:10:34,349 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:10:34,350 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:10:34,351 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:10:34,351 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:10:34,351 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:10:34,352 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:10:34,352 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:10:34,353 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:10:34,353 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:10:34,353 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:10:34,354 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:10:34,354 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:10:34,354 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:10:34,355 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:10:34,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:34,355 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:10:34,356 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:10:34,356 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:10:34,356 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:10:34,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:10:34,357 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:10:34,358 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:10:34,358 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:10:34,358 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:10:34,359 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_703b9935-ea40-415e-9bfe-e4e63c3b5ab0/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703b9935-ea40-415e-9bfe-e4e63c3b5ab0/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc [2023-11-23 21:10:34,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:10:34,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:10:34,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:10:34,735 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:10:34,735 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:10:34,737 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703b9935-ea40-415e-9bfe-e4e63c3b5ab0/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2023-11-23 21:10:37,847 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:10:38,661 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:10:38,662 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703b9935-ea40-415e-9bfe-e4e63c3b5ab0/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2023-11-23 21:10:38,741 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703b9935-ea40-415e-9bfe-e4e63c3b5ab0/bin/utaipan-verify-mE87zJ7Ire/data/e7329690f/97f4b2493e584a448c4764f5e53de7ba/FLAG00f42a07a [2023-11-23 21:10:38,760 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703b9935-ea40-415e-9bfe-e4e63c3b5ab0/bin/utaipan-verify-mE87zJ7Ire/data/e7329690f/97f4b2493e584a448c4764f5e53de7ba [2023-11-23 21:10:38,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:10:38,770 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:10:38,772 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:38,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:10:38,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:10:38,779 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:38" (1/1) ... [2023-11-23 21:10:38,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@701d2137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:38, skipping insertion in model container [2023-11-23 21:10:38,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:38" (1/1) ... [2023-11-23 21:10:38,965 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:10:42,232 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_703b9935-ea40-415e-9bfe-e4e63c3b5ab0/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2023-11-23 21:10:42,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:42,347 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:10:42,511 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] [2023-11-23 21:10:42,514 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] [2023-11-23 21:10:42,514 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] [2023-11-23 21:10:42,515 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] [2023-11-23 21:10:42,516 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4979] [2023-11-23 21:10:42,516 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4981] [2023-11-23 21:10:42,517 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4983] [2023-11-23 21:10:42,517 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4986] [2023-11-23 21:10:42,519 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] [2023-11-23 21:10:42,519 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] [2023-11-23 21:10:42,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5147] [2023-11-23 21:10:42,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5154] [2023-11-23 21:10:42,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5161] [2023-11-23 21:10:42,532 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5168] [2023-11-23 21:10:42,532 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5175] [2023-11-23 21:10:42,533 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5182] [2023-11-23 21:10:42,810 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] [2023-11-23 21:10:42,810 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] [2023-11-23 21:10:42,810 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] [2023-11-23 21:10:42,811 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] [2023-11-23 21:10:42,811 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] [2023-11-23 21:10:42,818 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] [2023-11-23 21:10:42,819 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] [2023-11-23 21:10:42,819 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] [2023-11-23 21:10:42,819 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] [2023-11-23 21:10:42,820 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] [2023-11-23 21:10:42,823 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10006] [2023-11-23 21:10:42,824 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10012] [2023-11-23 21:10:42,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10018] [2023-11-23 21:10:42,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10025] [2023-11-23 21:10:42,827 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] [2023-11-23 21:10:42,828 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] [2023-11-23 21:10:42,828 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] [2023-11-23 21:10:42,829 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] [2023-11-23 21:10:42,833 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] [2023-11-23 21:10:42,834 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] [2023-11-23 21:10:42,907 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] [2023-11-23 21:10:42,908 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] [2023-11-23 21:10:42,909 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] [2023-11-23 21:10:42,909 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] [2023-11-23 21:10:42,909 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] [2023-11-23 21:10:42,910 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] [2023-11-23 21:10:42,910 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] [2023-11-23 21:10:42,911 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] [2023-11-23 21:10:42,912 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] [2023-11-23 21:10:42,912 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] [2023-11-23 21:10:42,912 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] [2023-11-23 21:10:42,912 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] [2023-11-23 21:10:42,914 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] [2023-11-23 21:10:42,914 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] [2023-11-23 21:10:42,915 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] [2023-11-23 21:10:42,915 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] [2023-11-23 21:10:42,915 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] [2023-11-23 21:10:42,916 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] [2023-11-23 21:10:42,917 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] [2023-11-23 21:10:42,917 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] [2023-11-23 21:10:42,917 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] [2023-11-23 21:10:42,917 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] [2023-11-23 21:10:42,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10594] [2023-11-23 21:10:42,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10600] [2023-11-23 21:10:42,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10606] [2023-11-23 21:10:42,927 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10613] [2023-11-23 21:10:42,929 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10657] [2023-11-23 21:10:42,929 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10663] [2023-11-23 21:10:42,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10669] [2023-11-23 21:10:42,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10676] [2023-11-23 21:10:42,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10884] [2023-11-23 21:10:42,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10890] [2023-11-23 21:10:42,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10896] [2023-11-23 21:10:42,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10903] [2023-11-23 21:10:42,942 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] [2023-11-23 21:10:42,942 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] [2023-11-23 21:10:42,943 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] [2023-11-23 21:10:42,944 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] [2023-11-23 21:10:42,947 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] [2023-11-23 21:10:42,947 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] [2023-11-23 21:10:42,949 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] [2023-11-23 21:10:42,949 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] [2023-11-23 21:10:42,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [11304] [2023-11-23 21:10:42,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [11310] [2023-11-23 21:10:42,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [11316] [2023-11-23 21:10:42,962 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [11323] [2023-11-23 21:10:42,963 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] [2023-11-23 21:10:42,964 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] [2023-11-23 21:10:42,964 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] [2023-11-23 21:10:42,964 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] [2023-11-23 21:10:43,116 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_703b9935-ea40-415e-9bfe-e4e63c3b5ab0/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2023-11-23 21:10:43,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:43,563 WARN L675 CHandler]: The function strcat is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:10:43,563 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:10:43,563 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:10:43,564 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:10:43,564 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:10:43,572 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:10:43,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:43 WrapperNode [2023-11-23 21:10:43,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:43,575 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:43,575 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:10:43,575 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:10:43,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:43" (1/1) ... [2023-11-23 21:10:43,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:43" (1/1) ... [2023-11-23 21:10:44,224 INFO L138 Inliner]: procedures = 343, calls = 3676, calls flagged for inlining = 192, calls inlined = 173, statements flattened = 10099 [2023-11-23 21:10:44,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:44,226 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:10:44,226 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:10:44,226 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:10:44,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:43" (1/1) ... [2023-11-23 21:10:44,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:43" (1/1) ... [2023-11-23 21:10:44,340 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:43" (1/1) ... [2023-11-23 21:10:44,340 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:43" (1/1) ... [2023-11-23 21:10:44,502 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:43" (1/1) ... [2023-11-23 21:10:44,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:43" (1/1) ... [2023-11-23 21:10:44,645 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:43" (1/1) ... [2023-11-23 21:10:44,667 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:43" (1/1) ... [2023-11-23 21:10:44,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:10:44,710 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:10:44,710 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:10:44,710 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:10:44,712 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:43" (1/1) ... [2023-11-23 21:10:44,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:44,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703b9935-ea40-415e-9bfe-e4e63c3b5ab0/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:10:44,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703b9935-ea40-415e-9bfe-e4e63c3b5ab0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:10:44,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703b9935-ea40-415e-9bfe-e4e63c3b5ab0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:10:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2023-11-23 21:10:44,782 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2023-11-23 21:10:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-23 21:10:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:10:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:10:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 21:10:44,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 21:10:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-23 21:10:44,783 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-23 21:10:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-23 21:10:44,783 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-23 21:10:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2023-11-23 21:10:44,783 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2023-11-23 21:10:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:10:44,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:10:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2023-11-23 21:10:44,784 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2023-11-23 21:10:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-23 21:10:44,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-23 21:10:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2023-11-23 21:10:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2023-11-23 21:10:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:10:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:10:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2023-11-23 21:10:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2023-11-23 21:10:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-11-23 21:10:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-11-23 21:10:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-23 21:10:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-23 21:10:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-23 21:10:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-23 21:10:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:10:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:10:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 21:10:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 21:10:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure free_bufs [2023-11-23 21:10:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bufs [2023-11-23 21:10:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-23 21:10:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-23 21:10:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2023-11-23 21:10:44,788 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2023-11-23 21:10:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2023-11-23 21:10:44,788 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2023-11-23 21:10:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-23 21:10:44,788 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-23 21:10:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:10:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:10:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2023-11-23 21:10:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2023-11-23 21:10:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:10:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:10:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 21:10:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2023-11-23 21:10:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2023-11-23 21:10:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:10:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rbufs [2023-11-23 21:10:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rbufs [2023-11-23 21:10:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2023-11-23 21:10:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2023-11-23 21:10:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-23 21:10:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-23 21:10:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:10:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:10:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-11-23 21:10:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-11-23 21:10:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:10:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:10:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2023-11-23 21:10:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2023-11-23 21:10:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2023-11-23 21:10:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2023-11-23 21:10:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-23 21:10:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-23 21:10:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:10:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:10:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure async_mode [2023-11-23 21:10:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mode [2023-11-23 21:10:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2023-11-23 21:10:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2023-11-23 21:10:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-11-23 21:10:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-11-23 21:10:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:10:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:10:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-23 21:10:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-23 21:10:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-23 21:10:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-23 21:10:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2023-11-23 21:10:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2023-11-23 21:10:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 21:10:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 21:10:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2023-11-23 21:10:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2023-11-23 21:10:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 21:10:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 21:10:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-23 21:10:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-23 21:10:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure update_tx_timer [2023-11-23 21:10:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure update_tx_timer [2023-11-23 21:10:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bufs [2023-11-23 21:10:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bufs [2023-11-23 21:10:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:10:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-23 21:10:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-23 21:10:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure msc_set_vcr [2023-11-23 21:10:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure msc_set_vcr [2023-11-23 21:10:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure isr_txeom [2023-11-23 21:10:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_txeom [2023-11-23 21:10:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:10:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:10:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure setup_timer_key [2023-11-23 21:10:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_timer_key [2023-11-23 21:10:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 21:10:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 21:10:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_reset [2023-11-23 21:10:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_reset [2023-11-23 21:10:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:10:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2023-11-23 21:10:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2023-11-23 21:10:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2023-11-23 21:10:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2023-11-23 21:10:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_cleanup [2023-11-23 21:10:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_cleanup [2023-11-23 21:10:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:10:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-23 21:10:44,801 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-23 21:10:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 21:10:44,801 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 21:10:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2023-11-23 21:10:44,801 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2023-11-23 21:10:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2023-11-23 21:10:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2023-11-23 21:10:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-23 21:10:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-23 21:10:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:10:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:10:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2023-11-23 21:10:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2023-11-23 21:10:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 21:10:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 21:10:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:10:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:10:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load [2023-11-23 21:10:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load [2023-11-23 21:10:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg32 [2023-11-23 21:10:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg32 [2023-11-23 21:10:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2023-11-23 21:10:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2023-11-23 21:10:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-23 21:10:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-23 21:10:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:10:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-23 21:10:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-23 21:10:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2023-11-23 21:10:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2023-11-23 21:10:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg32 [2023-11-23 21:10:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg32 [2023-11-23 21:10:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure isr_rxdata [2023-11-23 21:10:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_rxdata [2023-11-23 21:10:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2023-11-23 21:10:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2023-11-23 21:10:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure tbuf_bytes [2023-11-23 21:10:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure tbuf_bytes [2023-11-23 21:10:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:10:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2023-11-23 21:10:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2023-11-23 21:10:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-23 21:10:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-23 21:10:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:10:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2023-11-23 21:10:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2023-11-23 21:10:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2023-11-23 21:10:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2023-11-23 21:10:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:10:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:10:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg16 [2023-11-23 21:10:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg16 [2023-11-23 21:10:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2023-11-23 21:10:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2023-11-23 21:10:44,809 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-23 21:10:44,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-23 21:10:44,809 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg16 [2023-11-23 21:10:44,809 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg16 [2023-11-23 21:10:44,809 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 21:10:44,809 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-23 21:10:44,809 INFO L130 BoogieDeclarations]: Found specification of procedure sync_mode [2023-11-23 21:10:44,810 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_mode [2023-11-23 21:10:44,810 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2023-11-23 21:10:44,810 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2023-11-23 21:10:44,810 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2023-11-23 21:10:44,810 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2023-11-23 21:10:44,810 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:10:44,810 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:10:44,811 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2023-11-23 21:10:44,811 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2023-11-23 21:10:44,811 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 21:10:44,811 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 21:10:44,811 INFO L130 BoogieDeclarations]: Found specification of procedure free_tmp_rbuf [2023-11-23 21:10:44,811 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tmp_rbuf [2023-11-23 21:10:44,812 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-23 21:10:44,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-23 21:10:44,812 INFO L130 BoogieDeclarations]: Found specification of procedure tdma_reset [2023-11-23 21:10:44,812 INFO L138 BoogieDeclarations]: Found implementation of procedure tdma_reset [2023-11-23 21:10:44,812 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2023-11-23 21:10:44,812 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2023-11-23 21:10:44,812 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 21:10:44,813 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 21:10:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:10:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2023-11-23 21:10:44,813 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2023-11-23 21:10:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2023-11-23 21:10:44,813 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2023-11-23 21:10:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg8 [2023-11-23 21:10:44,814 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg8 [2023-11-23 21:10:44,814 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2023-11-23 21:10:44,814 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2023-11-23 21:10:44,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:10:44,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:10:45,754 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:10:45,762 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:10:46,054 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-23 21:10:46,210 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume !false; [2023-11-23 21:10:46,211 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume false; [2023-11-23 21:10:46,404 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-11-23 21:10:46,404 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-11-23 21:10:47,172 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-23 21:10:47,437 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume false; [2023-11-23 21:10:47,437 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume !false; [2023-11-23 21:10:47,851 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-23 21:10:47,939 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-23 21:10:48,397 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##426: assume !false; [2023-11-23 21:10:48,397 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##425: assume false; [2023-11-23 21:10:48,398 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##187: assume !false; [2023-11-23 21:10:48,398 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##186: assume false; [2023-11-23 21:10:48,739 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-23 21:11:02,400 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##405: assume false; [2023-11-23 21:11:02,400 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##406: assume !false; [2023-11-23 21:11:02,400 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##429: assume false; [2023-11-23 21:11:02,400 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##430: assume !false; [2023-11-23 21:11:02,400 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##441: assume false; [2023-11-23 21:11:02,401 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##442: assume !false; [2023-11-23 21:11:02,401 INFO L775 $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 [2023-11-23 21:11:02,401 INFO L775 $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; [2023-11-23 21:11:02,401 INFO L775 $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 [2023-11-23 21:11:02,401 INFO L775 $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; [2023-11-23 21:11:02,401 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##492: assume !false; [2023-11-23 21:11:02,401 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##491: assume false; [2023-11-23 21:11:02,401 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##286: assume !false; [2023-11-23 21:11:02,402 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##285: assume false; [2023-11-23 21:11:02,402 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##217: assume !false; [2023-11-23 21:11:02,402 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##216: assume false; [2023-11-23 21:11:02,402 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##221: assume false; [2023-11-23 21:11:02,402 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##222: assume !false; [2023-11-23 21:11:02,402 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##229: assume !false; [2023-11-23 21:11:02,402 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##228: assume false; [2023-11-23 21:11:02,402 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##469: assume !false; [2023-11-23 21:11:02,403 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##468: assume false; [2023-11-23 21:11:02,403 INFO L775 $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; [2023-11-23 21:11:02,403 INFO L775 $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 [2023-11-23 21:11:02,403 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##561: assume !false; [2023-11-23 21:11:02,403 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##560: assume false; [2023-11-23 21:11:02,403 INFO L775 $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; [2023-11-23 21:11:02,403 INFO L775 $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 [2023-11-23 21:11:02,403 INFO L775 $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 [2023-11-23 21:11:02,403 INFO L775 $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; [2023-11-23 21:11:02,403 INFO L775 $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 [2023-11-23 21:11:02,404 INFO L775 $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; [2023-11-23 21:11:02,404 INFO L775 $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 [2023-11-23 21:11:02,404 INFO L775 $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; [2023-11-23 21:11:02,404 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##193: assume !false; [2023-11-23 21:11:02,404 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume false; [2023-11-23 21:11:02,404 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2023-11-23 21:11:02,404 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2023-11-23 21:11:02,404 INFO L775 $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 [2023-11-23 21:11:02,404 INFO L775 $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; [2023-11-23 21:11:02,405 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##397: assume false; [2023-11-23 21:11:02,405 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##398: assume !false; [2023-11-23 21:11:02,405 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##117: assume !false; [2023-11-23 21:11:02,405 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##116: assume false; [2023-11-23 21:11:02,405 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##124: assume !false; [2023-11-23 21:11:02,405 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##123: assume false; [2023-11-23 21:11:02,856 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-23 21:11:02,859 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-23 21:11:02,867 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-23 21:11:02,867 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-23 21:11:02,868 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-23 21:11:15,499 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##324: assume false; [2023-11-23 21:11:15,499 INFO L775 $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 [2023-11-23 21:11:15,499 INFO L775 $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; [2023-11-23 21:11:15,500 INFO L775 $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; [2023-11-23 21:11:15,500 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##342: assume false; [2023-11-23 21:11:15,500 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##343: assume !false; [2023-11-23 21:11:15,500 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##364: assume false; [2023-11-23 21:11:15,500 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##365: assume !false; [2023-11-23 21:11:15,500 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##532: assume !false; [2023-11-23 21:11:15,500 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##531: assume false; [2023-11-23 21:11:15,500 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##78: assume !false; [2023-11-23 21:11:15,501 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume false; [2023-11-23 21:11:15,501 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##568: assume !false; [2023-11-23 21:11:15,501 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##567: assume false; [2023-11-23 21:11:15,501 INFO L775 $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; [2023-11-23 21:11:15,501 INFO L775 $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 [2023-11-23 21:11:15,501 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##139: assume !false; [2023-11-23 21:11:15,501 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##138: assume false; [2023-11-23 21:11:16,088 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:11:23,754 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:11:23,754 INFO L309 CfgBuilder]: Removed 17 assume(true) statements. [2023-11-23 21:11:23,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:23 BoogieIcfgContainer [2023-11-23 21:11:23,759 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:11:23,764 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:11:23,764 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:11:23,768 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:11:23,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:10:38" (1/3) ... [2023-11-23 21:11:23,770 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17a082fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:23, skipping insertion in model container [2023-11-23 21:11:23,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:43" (2/3) ... [2023-11-23 21:11:23,772 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17a082fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:23, skipping insertion in model container [2023-11-23 21:11:23,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:23" (3/3) ... [2023-11-23 21:11:23,773 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2023-11-23 21:11:23,794 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:11:23,794 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:11:23,911 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:11:23,919 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;@22f4c22d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:11:23,924 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:11:23,939 INFO L276 IsEmpty]: Start isEmpty. Operand has 2344 states, 1520 states have (on average 1.3907894736842106) internal successors, (2114), 1587 states have internal predecessors, (2114), 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) [2023-11-23 21:11:23,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 21:11:23,948 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:23,948 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:11:23,949 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:11:23,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:23,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1262428723, now seen corresponding path program 1 times [2023-11-23 21:11:23,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:11:23,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370278309] [2023-11-23 21:11:23,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:23,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:11:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:11:24,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 21:11:24,696 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:11:24,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370278309] [2023-11-23 21:11:24,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370278309] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:11:24,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:11:24,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:11:24,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432228314] [2023-11-23 21:11:24,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:11:24,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:11:24,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:11:24,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:11:24,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:11:24,744 INFO L87 Difference]: Start difference. First operand has 2344 states, 1520 states have (on average 1.3907894736842106) internal successors, (2114), 1587 states have internal predecessors, (2114), 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 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-23 21:11:26,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []