./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 9bd2c7ff 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_86aa0b05-c74a-4545-b5ae-cd730fa0cc58/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86aa0b05-c74a-4545-b5ae-cd730fa0cc58/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86aa0b05-c74a-4545-b5ae-cd730fa0cc58/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86aa0b05-c74a-4545-b5ae-cd730fa0cc58/bin/uautomizer-verify-uCwYo4JHxu/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_86aa0b05-c74a-4545-b5ae-cd730fa0cc58/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86aa0b05-c74a-4545-b5ae-cd730fa0cc58/bin/uautomizer-verify-uCwYo4JHxu --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-9bd2c7f [2023-11-19 07:57:31,568 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:57:31,674 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86aa0b05-c74a-4545-b5ae-cd730fa0cc58/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:57:31,680 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:57:31,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:57:31,708 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:57:31,709 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:57:31,709 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:57:31,710 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:57:31,711 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:57:31,712 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:57:31,713 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:57:31,713 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:57:31,714 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:57:31,714 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:57:31,715 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:57:31,716 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:57:31,716 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:57:31,717 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:57:31,718 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:57:31,718 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:57:31,719 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:57:31,720 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:57:31,720 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:57:31,721 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:57:31,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:57:31,722 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:57:31,723 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:57:31,723 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:57:31,724 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:57:31,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:57:31,725 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:57:31,725 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:57:31,726 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:57:31,726 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:57:31,727 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:57:31,727 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_86aa0b05-c74a-4545-b5ae-cd730fa0cc58/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86aa0b05-c74a-4545-b5ae-cd730fa0cc58/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc [2023-11-19 07:57:32,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:57:32,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:57:32,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:57:32,099 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:57:32,100 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:57:32,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86aa0b05-c74a-4545-b5ae-cd730fa0cc58/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2023-11-19 07:57:35,266 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:57:35,955 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:57:35,955 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86aa0b05-c74a-4545-b5ae-cd730fa0cc58/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2023-11-19 07:57:36,016 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86aa0b05-c74a-4545-b5ae-cd730fa0cc58/bin/uautomizer-verify-uCwYo4JHxu/data/4622bc0ae/ec3a307cba214233a4ebdfafd041a265/FLAG668cd1f47 [2023-11-19 07:57:36,034 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86aa0b05-c74a-4545-b5ae-cd730fa0cc58/bin/uautomizer-verify-uCwYo4JHxu/data/4622bc0ae/ec3a307cba214233a4ebdfafd041a265 [2023-11-19 07:57:36,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:57:36,046 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:57:36,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:57:36,051 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:57:36,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:57:36,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:57:36" (1/1) ... [2023-11-19 07:57:36,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@535841e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:36, skipping insertion in model container [2023-11-19 07:57:36,059 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:57:36" (1/1) ... [2023-11-19 07:57:36,264 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:57:39,596 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_86aa0b05-c74a-4545-b5ae-cd730fa0cc58/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2023-11-19 07:57:39,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:57:39,723 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:57:39,840 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] [2023-11-19 07:57:39,841 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] [2023-11-19 07:57:39,842 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] [2023-11-19 07:57:39,843 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] [2023-11-19 07:57:39,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4979] [2023-11-19 07:57:39,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4981] [2023-11-19 07:57:39,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4983] [2023-11-19 07:57:39,845 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4986] [2023-11-19 07:57:39,846 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] [2023-11-19 07:57:39,846 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] [2023-11-19 07:57:39,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5147] [2023-11-19 07:57:39,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5154] [2023-11-19 07:57:39,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5161] [2023-11-19 07:57:39,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5168] [2023-11-19 07:57:39,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5175] [2023-11-19 07:57:39,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5182] [2023-11-19 07:57:40,142 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] [2023-11-19 07:57:40,142 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] [2023-11-19 07:57:40,143 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] [2023-11-19 07:57:40,143 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] [2023-11-19 07:57:40,143 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] [2023-11-19 07:57:40,150 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] [2023-11-19 07:57:40,150 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] [2023-11-19 07:57:40,151 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] [2023-11-19 07:57:40,151 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] [2023-11-19 07:57:40,151 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] [2023-11-19 07:57:40,154 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10006] [2023-11-19 07:57:40,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10012] [2023-11-19 07:57:40,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10018] [2023-11-19 07:57:40,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10025] [2023-11-19 07:57:40,158 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] [2023-11-19 07:57:40,158 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] [2023-11-19 07:57:40,158 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] [2023-11-19 07:57:40,159 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] [2023-11-19 07:57:40,225 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] [2023-11-19 07:57:40,225 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] [2023-11-19 07:57:40,226 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] [2023-11-19 07:57:40,226 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] [2023-11-19 07:57:40,227 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] [2023-11-19 07:57:40,227 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] [2023-11-19 07:57:40,227 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] [2023-11-19 07:57:40,228 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] [2023-11-19 07:57:40,228 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] [2023-11-19 07:57:40,230 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] [2023-11-19 07:57:40,230 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] [2023-11-19 07:57:40,230 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] [2023-11-19 07:57:40,230 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] [2023-11-19 07:57:40,230 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] [2023-11-19 07:57:40,234 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] [2023-11-19 07:57:40,234 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] [2023-11-19 07:57:40,235 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] [2023-11-19 07:57:40,235 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] [2023-11-19 07:57:40,236 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] [2023-11-19 07:57:40,237 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] [2023-11-19 07:57:40,238 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] [2023-11-19 07:57:40,238 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] [2023-11-19 07:57:40,238 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] [2023-11-19 07:57:40,238 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] [2023-11-19 07:57:40,244 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10594] [2023-11-19 07:57:40,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10600] [2023-11-19 07:57:40,247 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10606] [2023-11-19 07:57:40,247 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10613] [2023-11-19 07:57:40,249 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10657] [2023-11-19 07:57:40,249 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10663] [2023-11-19 07:57:40,249 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10669] [2023-11-19 07:57:40,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10676] [2023-11-19 07:57:40,260 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10884] [2023-11-19 07:57:40,261 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10890] [2023-11-19 07:57:40,261 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10896] [2023-11-19 07:57:40,262 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10903] [2023-11-19 07:57:40,264 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] [2023-11-19 07:57:40,264 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] [2023-11-19 07:57:40,265 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] [2023-11-19 07:57:40,265 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] [2023-11-19 07:57:40,268 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] [2023-11-19 07:57:40,268 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] [2023-11-19 07:57:40,269 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] [2023-11-19 07:57:40,269 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] [2023-11-19 07:57:40,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [11304] [2023-11-19 07:57:40,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [11310] [2023-11-19 07:57:40,281 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [11316] [2023-11-19 07:57:40,281 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [11323] [2023-11-19 07:57:40,283 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] [2023-11-19 07:57:40,283 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] [2023-11-19 07:57:40,283 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] [2023-11-19 07:57:40,284 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] [2023-11-19 07:57:40,473 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_86aa0b05-c74a-4545-b5ae-cd730fa0cc58/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2023-11-19 07:57:40,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:57:40,905 WARN L675 CHandler]: The function strcat is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:57:40,905 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:57:40,905 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:57:40,905 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:57:40,905 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:57:40,913 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:57:40,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:40 WrapperNode [2023-11-19 07:57:40,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:57:40,915 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:57:40,915 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:57:40,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:57:40,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:40" (1/1) ... [2023-11-19 07:57:41,087 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:40" (1/1) ... [2023-11-19 07:57:41,477 INFO L138 Inliner]: procedures = 343, calls = 3676, calls flagged for inlining = 192, calls inlined = 173, statements flattened = 10099 [2023-11-19 07:57:41,478 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:57:41,479 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:57:41,479 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:57:41,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:57:41,488 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:40" (1/1) ... [2023-11-19 07:57:41,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:40" (1/1) ... [2023-11-19 07:57:41,562 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:40" (1/1) ... [2023-11-19 07:57:41,563 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:40" (1/1) ... [2023-11-19 07:57:41,743 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:40" (1/1) ... [2023-11-19 07:57:41,871 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:40" (1/1) ... [2023-11-19 07:57:41,914 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:40" (1/1) ... [2023-11-19 07:57:41,938 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:40" (1/1) ... [2023-11-19 07:57:41,985 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:57:41,986 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:57:41,986 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:57:41,986 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:57:41,987 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:40" (1/1) ... [2023-11-19 07:57:41,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:57:42,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86aa0b05-c74a-4545-b5ae-cd730fa0cc58/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:42,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86aa0b05-c74a-4545-b5ae-cd730fa0cc58/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:42,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86aa0b05-c74a-4545-b5ae-cd730fa0cc58/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:57:42,076 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2023-11-19 07:57:42,077 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2023-11-19 07:57:42,077 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-19 07:57:42,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:57:42,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:57:42,078 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 07:57:42,079 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 07:57:42,079 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 07:57:42,079 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 07:57:42,079 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 07:57:42,079 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 07:57:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2023-11-19 07:57:42,080 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2023-11-19 07:57:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:57:42,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:57:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2023-11-19 07:57:42,080 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2023-11-19 07:57:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-19 07:57:42,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-19 07:57:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2023-11-19 07:57:42,081 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2023-11-19 07:57:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 07:57:42,081 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 07:57:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2023-11-19 07:57:42,082 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2023-11-19 07:57:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-11-19 07:57:42,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-11-19 07:57:42,083 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-19 07:57:42,083 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-19 07:57:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 07:57:42,084 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 07:57:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:57:42,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:57:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 07:57:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 07:57:42,085 INFO L130 BoogieDeclarations]: Found specification of procedure free_bufs [2023-11-19 07:57:42,086 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bufs [2023-11-19 07:57:42,086 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-19 07:57:42,086 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-19 07:57:42,086 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2023-11-19 07:57:42,086 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2023-11-19 07:57:42,086 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2023-11-19 07:57:42,087 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2023-11-19 07:57:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-19 07:57:42,087 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-19 07:57:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:57:42,088 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:57:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2023-11-19 07:57:42,088 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2023-11-19 07:57:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:57:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 07:57:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 07:57:42,089 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2023-11-19 07:57:42,089 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2023-11-19 07:57:42,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:57:42,089 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rbufs [2023-11-19 07:57:42,090 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rbufs [2023-11-19 07:57:42,090 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2023-11-19 07:57:42,090 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2023-11-19 07:57:42,090 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-19 07:57:42,091 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-19 07:57:42,091 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:57:42,091 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:57:42,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-11-19 07:57:42,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-11-19 07:57:42,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:57:42,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:57:42,097 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2023-11-19 07:57:42,097 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2023-11-19 07:57:42,098 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2023-11-19 07:57:42,098 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2023-11-19 07:57:42,099 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-19 07:57:42,099 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-19 07:57:42,099 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:57:42,105 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:57:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure async_mode [2023-11-19 07:57:42,106 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mode [2023-11-19 07:57:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2023-11-19 07:57:42,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2023-11-19 07:57:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-11-19 07:57:42,106 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-11-19 07:57:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:57:42,107 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:57:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 07:57:42,107 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 07:57:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 07:57:42,107 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 07:57:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2023-11-19 07:57:42,108 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2023-11-19 07:57:42,108 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 07:57:42,108 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 07:57:42,108 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2023-11-19 07:57:42,108 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2023-11-19 07:57:42,108 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 07:57:42,109 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 07:57:42,109 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-19 07:57:42,109 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-19 07:57:42,109 INFO L130 BoogieDeclarations]: Found specification of procedure update_tx_timer [2023-11-19 07:57:42,109 INFO L138 BoogieDeclarations]: Found implementation of procedure update_tx_timer [2023-11-19 07:57:42,109 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bufs [2023-11-19 07:57:42,109 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bufs [2023-11-19 07:57:42,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:57:42,110 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-19 07:57:42,110 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-19 07:57:42,110 INFO L130 BoogieDeclarations]: Found specification of procedure msc_set_vcr [2023-11-19 07:57:42,110 INFO L138 BoogieDeclarations]: Found implementation of procedure msc_set_vcr [2023-11-19 07:57:42,110 INFO L130 BoogieDeclarations]: Found specification of procedure isr_txeom [2023-11-19 07:57:42,110 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_txeom [2023-11-19 07:57:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 07:57:42,111 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 07:57:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure setup_timer_key [2023-11-19 07:57:42,111 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_timer_key [2023-11-19 07:57:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 07:57:42,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 07:57:42,112 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_reset [2023-11-19 07:57:42,112 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_reset [2023-11-19 07:57:42,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:57:42,113 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2023-11-19 07:57:42,113 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2023-11-19 07:57:42,113 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2023-11-19 07:57:42,114 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2023-11-19 07:57:42,114 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_cleanup [2023-11-19 07:57:42,114 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_cleanup [2023-11-19 07:57:42,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:57:42,114 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-19 07:57:42,114 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-19 07:57:42,114 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 07:57:42,115 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 07:57:42,115 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2023-11-19 07:57:42,115 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2023-11-19 07:57:42,115 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2023-11-19 07:57:42,115 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2023-11-19 07:57:42,115 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-19 07:57:42,115 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-19 07:57:42,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:57:42,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:57:42,116 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2023-11-19 07:57:42,116 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2023-11-19 07:57:42,116 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 07:57:42,116 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 07:57:42,116 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:57:42,117 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:57:42,117 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load [2023-11-19 07:57:42,117 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load [2023-11-19 07:57:42,117 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg32 [2023-11-19 07:57:42,117 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg32 [2023-11-19 07:57:42,117 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2023-11-19 07:57:42,117 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2023-11-19 07:57:42,118 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 07:57:42,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 07:57:42,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:57:42,118 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-19 07:57:42,118 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-19 07:57:42,119 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2023-11-19 07:57:42,119 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2023-11-19 07:57:42,119 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg32 [2023-11-19 07:57:42,119 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg32 [2023-11-19 07:57:42,119 INFO L130 BoogieDeclarations]: Found specification of procedure isr_rxdata [2023-11-19 07:57:42,119 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_rxdata [2023-11-19 07:57:42,119 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2023-11-19 07:57:42,120 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2023-11-19 07:57:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure tbuf_bytes [2023-11-19 07:57:42,120 INFO L138 BoogieDeclarations]: Found implementation of procedure tbuf_bytes [2023-11-19 07:57:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:57:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2023-11-19 07:57:42,121 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2023-11-19 07:57:42,121 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-19 07:57:42,121 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-19 07:57:42,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:57:42,121 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2023-11-19 07:57:42,121 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2023-11-19 07:57:42,121 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2023-11-19 07:57:42,122 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2023-11-19 07:57:42,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:57:42,122 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 07:57:42,122 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg16 [2023-11-19 07:57:42,122 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg16 [2023-11-19 07:57:42,122 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2023-11-19 07:57:42,122 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2023-11-19 07:57:42,123 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-19 07:57:42,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-19 07:57:42,123 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg16 [2023-11-19 07:57:42,123 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg16 [2023-11-19 07:57:42,123 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 07:57:42,123 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 07:57:42,123 INFO L130 BoogieDeclarations]: Found specification of procedure sync_mode [2023-11-19 07:57:42,124 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_mode [2023-11-19 07:57:42,124 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2023-11-19 07:57:42,124 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2023-11-19 07:57:42,124 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2023-11-19 07:57:42,124 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2023-11-19 07:57:42,125 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 07:57:42,129 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 07:57:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2023-11-19 07:57:42,130 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2023-11-19 07:57:42,130 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 07:57:42,130 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 07:57:42,130 INFO L130 BoogieDeclarations]: Found specification of procedure free_tmp_rbuf [2023-11-19 07:57:42,130 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tmp_rbuf [2023-11-19 07:57:42,130 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-19 07:57:42,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-19 07:57:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure tdma_reset [2023-11-19 07:57:42,132 INFO L138 BoogieDeclarations]: Found implementation of procedure tdma_reset [2023-11-19 07:57:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2023-11-19 07:57:42,133 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2023-11-19 07:57:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 07:57:42,133 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 07:57:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:57:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2023-11-19 07:57:42,133 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2023-11-19 07:57:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2023-11-19 07:57:42,134 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2023-11-19 07:57:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg8 [2023-11-19 07:57:42,134 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg8 [2023-11-19 07:57:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2023-11-19 07:57:42,134 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2023-11-19 07:57:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:57:42,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:57:43,258 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:57:43,263 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:57:43,645 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 07:57:43,750 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume !false; [2023-11-19 07:57:43,750 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume false; [2023-11-19 07:57:43,983 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-11-19 07:57:43,983 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-11-19 07:57:44,810 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 07:57:45,171 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume false; [2023-11-19 07:57:45,171 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume !false; [2023-11-19 07:57:45,584 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 07:57:45,591 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 07:57:46,030 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##426: assume !false; [2023-11-19 07:57:46,030 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##425: assume false; [2023-11-19 07:57:46,031 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##187: assume !false; [2023-11-19 07:57:46,031 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##186: assume false; [2023-11-19 07:57:46,372 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 07:58:02,187 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##405: assume false; [2023-11-19 07:58:02,188 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##406: assume !false; [2023-11-19 07:58:02,188 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##429: assume false; [2023-11-19 07:58:02,188 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##430: assume !false; [2023-11-19 07:58:02,188 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##441: assume false; [2023-11-19 07:58:02,188 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##442: assume !false; [2023-11-19 07:58:02,188 INFO L767 $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 [2023-11-19 07:58:02,189 INFO L767 $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; [2023-11-19 07:58:02,189 INFO L767 $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 [2023-11-19 07:58:02,189 INFO L767 $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; [2023-11-19 07:58:02,189 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##492: assume !false; [2023-11-19 07:58:02,189 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##491: assume false; [2023-11-19 07:58:02,189 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##286: assume !false; [2023-11-19 07:58:02,189 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##285: assume false; [2023-11-19 07:58:02,189 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##217: assume !false; [2023-11-19 07:58:02,190 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##216: assume false; [2023-11-19 07:58:02,190 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##221: assume false; [2023-11-19 07:58:02,190 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##222: assume !false; [2023-11-19 07:58:02,190 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##229: assume !false; [2023-11-19 07:58:02,190 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##228: assume false; [2023-11-19 07:58:02,190 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##469: assume !false; [2023-11-19 07:58:02,190 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##468: assume false; [2023-11-19 07:58:02,190 INFO L767 $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; [2023-11-19 07:58:02,190 INFO L767 $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 [2023-11-19 07:58:02,191 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##561: assume !false; [2023-11-19 07:58:02,191 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##560: assume false; [2023-11-19 07:58:02,191 INFO L767 $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; [2023-11-19 07:58:02,191 INFO L767 $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 [2023-11-19 07:58:02,191 INFO L767 $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 [2023-11-19 07:58:02,191 INFO L767 $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; [2023-11-19 07:58:02,191 INFO L767 $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 [2023-11-19 07:58:02,191 INFO L767 $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; [2023-11-19 07:58:02,192 INFO L767 $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 [2023-11-19 07:58:02,192 INFO L767 $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; [2023-11-19 07:58:02,192 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##193: assume !false; [2023-11-19 07:58:02,192 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume false; [2023-11-19 07:58:02,192 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2023-11-19 07:58:02,192 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2023-11-19 07:58:02,192 INFO L767 $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 [2023-11-19 07:58:02,192 INFO L767 $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; [2023-11-19 07:58:02,192 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##397: assume false; [2023-11-19 07:58:02,193 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##398: assume !false; [2023-11-19 07:58:02,193 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##117: assume !false; [2023-11-19 07:58:02,193 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##116: assume false; [2023-11-19 07:58:02,193 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##124: assume !false; [2023-11-19 07:58:02,193 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##123: assume false; [2023-11-19 07:58:02,711 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 07:58:02,714 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 07:58:02,724 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 07:58:02,725 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 07:58:02,726 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 07:58:18,000 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##324: assume false; [2023-11-19 07:58:18,000 INFO L767 $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 [2023-11-19 07:58:18,000 INFO L767 $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; [2023-11-19 07:58:18,000 INFO L767 $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; [2023-11-19 07:58:18,000 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##342: assume false; [2023-11-19 07:58:18,001 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##343: assume !false; [2023-11-19 07:58:18,001 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##364: assume false; [2023-11-19 07:58:18,001 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##365: assume !false; [2023-11-19 07:58:18,001 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##532: assume !false; [2023-11-19 07:58:18,001 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##531: assume false; [2023-11-19 07:58:18,001 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##78: assume !false; [2023-11-19 07:58:18,001 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume false; [2023-11-19 07:58:18,001 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##568: assume !false; [2023-11-19 07:58:18,002 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##567: assume false; [2023-11-19 07:58:18,002 INFO L767 $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; [2023-11-19 07:58:18,002 INFO L767 $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 [2023-11-19 07:58:18,002 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##139: assume !false; [2023-11-19 07:58:18,002 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##138: assume false; [2023-11-19 07:58:18,518 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:58:18,569 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:58:18,569 INFO L302 CfgBuilder]: Removed 17 assume(true) statements. [2023-11-19 07:58:18,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:18 BoogieIcfgContainer [2023-11-19 07:58:18,599 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:58:18,604 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:58:18,604 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:58:18,608 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:58:18,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:57:36" (1/3) ... [2023-11-19 07:58:18,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1756e292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:58:18, skipping insertion in model container [2023-11-19 07:58:18,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:40" (2/3) ... [2023-11-19 07:58:18,611 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1756e292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:58:18, skipping insertion in model container [2023-11-19 07:58:18,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:18" (3/3) ... [2023-11-19 07:58:18,612 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2023-11-19 07:58:18,634 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:58:18,634 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:58:18,787 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:58:18,794 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;@3e5ae537, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:58:18,794 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:58:18,818 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) [2023-11-19 07:58:18,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 07:58:18,829 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:58:18,829 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] [2023-11-19 07:58:18,830 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:58:18,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:18,837 INFO L85 PathProgramCache]: Analyzing trace with hash -963967238, now seen corresponding path program 1 times [2023-11-19 07:58:18,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:18,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834338542] [2023-11-19 07:58:18,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:18,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:19,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:58:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:19,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:58:19,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:19,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:58:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:19,826 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:58:19,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:19,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834338542] [2023-11-19 07:58:19,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834338542] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:19,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:19,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:58:19,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949803558] [2023-11-19 07:58:19,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:19,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:58:19,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:19,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:58:19,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:58:19,897 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)