./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclink.ko-main.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_ba1954f0-311d-4089-813e-344a395fd3f2/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1954f0-311d-4089-813e-344a395fd3f2/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_ba1954f0-311d-4089-813e-344a395fd3f2/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1954f0-311d-4089-813e-344a395fd3f2/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclink.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1954f0-311d-4089-813e-344a395fd3f2/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_ba1954f0-311d-4089-813e-344a395fd3f2/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 51be78885ca7a0fdf86d7aa977405871bdb86d4d67702760ccb1fc038e7f33e2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:59:08,196 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:59:08,286 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1954f0-311d-4089-813e-344a395fd3f2/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:59:08,294 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:59:08,295 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:59:08,329 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:59:08,330 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:59:08,331 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:59:08,332 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:59:08,333 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:59:08,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:59:08,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:59:08,335 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:59:08,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:59:08,337 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:59:08,338 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:59:08,338 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:59:08,339 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:59:08,340 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:59:08,341 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:59:08,341 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:59:08,342 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:59:08,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:59:08,344 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:59:08,345 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:59:08,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:59:08,346 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:59:08,347 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:59:08,348 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:59:08,348 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:59:08,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:59:08,350 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:59:08,350 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:59:08,351 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:59:08,351 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:59:08,352 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:59:08,353 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_ba1954f0-311d-4089-813e-344a395fd3f2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1954f0-311d-4089-813e-344a395fd3f2/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51be78885ca7a0fdf86d7aa977405871bdb86d4d67702760ccb1fc038e7f33e2 [2023-11-19 07:59:08,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:59:08,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:59:08,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:59:08,773 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:59:08,774 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:59:08,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1954f0-311d-4089-813e-344a395fd3f2/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclink.ko-main.cil.out.i [2023-11-19 07:59:12,649 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:59:13,663 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:59:13,664 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1954f0-311d-4089-813e-344a395fd3f2/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclink.ko-main.cil.out.i [2023-11-19 07:59:13,745 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1954f0-311d-4089-813e-344a395fd3f2/bin/uautomizer-verify-uCwYo4JHxu/data/22ebe4456/57907ef7c8f8416bafc1b603793ea260/FLAGe10a4b02e [2023-11-19 07:59:13,768 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1954f0-311d-4089-813e-344a395fd3f2/bin/uautomizer-verify-uCwYo4JHxu/data/22ebe4456/57907ef7c8f8416bafc1b603793ea260 [2023-11-19 07:59:13,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:59:13,780 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:59:13,783 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:59:13,784 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:59:13,794 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:59:13,797 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:59:13" (1/1) ... [2023-11-19 07:59:13,799 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37ca5714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:13, skipping insertion in model container [2023-11-19 07:59:13,799 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:59:13" (1/1) ... [2023-11-19 07:59:14,074 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:59:18,243 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_ba1954f0-311d-4089-813e-344a395fd3f2/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclink.ko-main.cil.out.i[420085,420098] [2023-11-19 07:59:18,461 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:59:18,528 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:59:18,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5195] [2023-11-19 07:59:18,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5202] [2023-11-19 07:59:18,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5209-5210] [2023-11-19 07:59:18,657 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)); [5223-5224] [2023-11-19 07:59:18,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5253] [2023-11-19 07:59:18,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5256] [2023-11-19 07:59:18,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5259] [2023-11-19 07:59:18,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5262] [2023-11-19 07:59:18,661 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 *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/inst/current/envs/linux-3.8-rc1/linux-3.8-rc1/arch/x86/include/asm/paravirt.h"), "i" (825), "i" (12UL)); [5294-5295] [2023-11-19 07:59:18,661 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" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5300-5302] [2023-11-19 07:59:18,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5430] [2023-11-19 07:59:18,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5437] [2023-11-19 07:59:18,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5444] [2023-11-19 07:59:18,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5451] [2023-11-19 07:59:18,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___10->state): : "memory", "cc"); [7940-7941] [2023-11-19 07:59:18,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___11->state): : "memory", "cc"); [7945-7946] [2023-11-19 07:59:18,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___12->state): : "memory", "cc"); [7950-7951] [2023-11-19 07:59:18,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___13->state): : "memory", "cc"); [7955-7956] [2023-11-19 07:59:18,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___17->state): : "memory", "cc"); [7981-7982] [2023-11-19 07:59:18,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___18->state): : "memory", "cc"); [7986-7987] [2023-11-19 07:59:18,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___19->state): : "memory", "cc"); [7991-7992] [2023-11-19 07:59:18,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___20->state): : "memory", "cc"); [7996-7997] [2023-11-19 07:59:18,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___1), "+m" (tmp___30->state): : "memory", "cc"); [8068-8069] [2023-11-19 07:59:18,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___1), "+m" (tmp___31->state): : "memory", "cc"); [8073-8074] [2023-11-19 07:59:18,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___1), "+m" (tmp___32->state): : "memory", "cc"); [8078-8079] [2023-11-19 07:59:18,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___1), "+m" (tmp___33->state): : "memory", "cc"); [8083-8084] [2023-11-19 07:59:18,956 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"); [8108] [2023-11-19 07:59:18,956 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"); [8111] [2023-11-19 07:59:18,957 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"); [8114] [2023-11-19 07:59:18,957 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"); [8117] [2023-11-19 07:59:18,957 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"); [8120] [2023-11-19 07:59:18,962 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [8171-8172] [2023-11-19 07:59:18,963 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [8176-8177] [2023-11-19 07:59:18,963 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [8181-8182] [2023-11-19 07:59:18,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [8186-8187] [2023-11-19 07:59:18,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___8->state): : "memory", "cc"); [8210-8211] [2023-11-19 07:59:18,969 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___9->state): : "memory", "cc"); [8215-8216] [2023-11-19 07:59:18,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___10->state): : "memory", "cc"); [8220-8221] [2023-11-19 07:59:18,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___11->state): : "memory", "cc"); [8225-8226] [2023-11-19 07:59:18,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___1), "+m" (tmp___12->state): : "memory", "cc"); [8251-8252] [2023-11-19 07:59:18,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___1), "+m" (tmp___13->state): : "memory", "cc"); [8256-8257] [2023-11-19 07:59:18,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___1), "+m" (tmp___14->state): : "memory", "cc"); [8261-8262] [2023-11-19 07:59:18,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___1), "+m" (tmp___15->state): : "memory", "cc"); [8266-8267] [2023-11-19 07:59:19,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [8837-8838] [2023-11-19 07:59:19,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [8842-8843] [2023-11-19 07:59:19,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [8847-8848] [2023-11-19 07:59:19,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [8852-8853] [2023-11-19 07:59:19,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___9->state): : "memory", "cc"); [8895-8896] [2023-11-19 07:59:19,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___10->state): : "memory", "cc"); [8900-8901] [2023-11-19 07:59:19,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___11->state): : "memory", "cc"); [8905-8906] [2023-11-19 07:59:19,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___12->state): : "memory", "cc"); [8910-8911] [2023-11-19 07:59:19,293 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_ba1954f0-311d-4089-813e-344a395fd3f2/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclink.ko-main.cil.out.i[420085,420098] [2023-11-19 07:59:19,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:59:19,623 WARN L675 CHandler]: The function strcat is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:59:19,623 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:59:19,624 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:59:19,624 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:59:19,624 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:59:19,634 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:59:19,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19 WrapperNode [2023-11-19 07:59:19,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:59:19,637 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:59:19,637 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:59:19,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:59:19,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:19,853 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:20,239 INFO L138 Inliner]: procedures = 395, calls = 4232, calls flagged for inlining = 200, calls inlined = 147, statements flattened = 8538 [2023-11-19 07:59:20,240 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:59:20,241 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:59:20,241 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:59:20,241 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:59:20,254 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:20,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:20,326 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:20,326 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:20,549 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:20,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:20,753 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:20,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:20,892 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:59:20,894 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:59:20,894 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:59:20,895 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:59:20,896 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:20,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:59:20,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1954f0-311d-4089-813e-344a395fd3f2/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:20,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1954f0-311d-4089-813e-344a395fd3f2/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:59:20,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1954f0-311d-4089-813e-344a395fd3f2/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:59:20,993 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_wait_until_sent [2023-11-19 07:59:20,993 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_wait_until_sent [2023-11-19 07:59:20,993 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-19 07:59:20,993 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 07:59:20,993 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 07:59:20,993 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_start [2023-11-19 07:59:20,994 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_start [2023-11-19 07:59:20,994 INFO L130 BoogieDeclarations]: Found specification of procedure usc_set_txidle [2023-11-19 07:59:20,994 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_set_txidle [2023-11-19 07:59:20,994 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_ioctl [2023-11-19 07:59:20,994 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_ioctl [2023-11-19 07:59:20,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:59:20,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:59:20,995 INFO L130 BoogieDeclarations]: Found specification of procedure usc_loopback_frame [2023-11-19 07:59:20,996 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_loopback_frame [2023-11-19 07:59:20,996 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2023-11-19 07:59:20,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2023-11-19 07:59:20,997 INFO L130 BoogieDeclarations]: Found specification of procedure usc_start_receiver [2023-11-19 07:59:20,997 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_start_receiver [2023-11-19 07:59:20,998 INFO L130 BoogieDeclarations]: Found specification of procedure usc_set_serial_signals [2023-11-19 07:59:20,999 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_set_serial_signals [2023-11-19 07:59:20,999 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_trace_block [2023-11-19 07:59:20,999 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_trace_block [2023-11-19 07:59:20,999 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-19 07:59:20,999 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-19 07:59:21,000 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 07:59:21,000 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 07:59:21,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mgsl_ops_disconnect_2 [2023-11-19 07:59:21,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mgsl_ops_disconnect_2 [2023-11-19 07:59:21,000 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2023-11-19 07:59:21,001 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2023-11-19 07:59:21,001 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:59:21,001 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:59:21,001 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 07:59:21,001 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 07:59:21,001 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2023-11-19 07:59:21,002 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2023-11-19 07:59:21,002 INFO L130 BoogieDeclarations]: Found specification of procedure load_next_tx_holding_buffer [2023-11-19 07:59:21,003 INFO L138 BoogieDeclarations]: Found implementation of procedure load_next_tx_holding_buffer [2023-11-19 07:59:21,003 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:59:21,003 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:59:21,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_tty_port [2023-11-19 07:59:21,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_tty_port [2023-11-19 07:59:21,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:59:21,004 INFO L130 BoogieDeclarations]: Found specification of procedure dtr_rts [2023-11-19 07:59:21,004 INFO L138 BoogieDeclarations]: Found implementation of procedure dtr_rts [2023-11-19 07:59:21,004 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-19 07:59:21,004 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-19 07:59:21,004 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-19 07:59:21,004 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-19 07:59:21,004 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-11-19 07:59:21,005 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-11-19 07:59:21,005 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:59:21,005 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:59:21,005 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmset [2023-11-19 07:59:21,005 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmset [2023-11-19 07:59:21,005 INFO L130 BoogieDeclarations]: Found specification of procedure usc_OutDmaReg [2023-11-19 07:59:21,005 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_OutDmaReg [2023-11-19 07:59:21,006 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 07:59:21,007 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 07:59:21,007 INFO L130 BoogieDeclarations]: Found specification of procedure usc_loopmode_cancel_transmit [2023-11-19 07:59:21,007 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_loopmode_cancel_transmit [2023-11-19 07:59:21,007 INFO L130 BoogieDeclarations]: Found specification of procedure usc_load_txfifo [2023-11-19 07:59:21,007 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_load_txfifo [2023-11-19 07:59:21,007 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-19 07:59:21,008 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-19 07:59:21,008 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_timeout [2023-11-19 07:59:21,008 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_timeout [2023-11-19 07:59:21,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:59:21,009 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-19 07:59:21,009 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-19 07:59:21,010 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 07:59:21,010 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 07:59:21,010 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 07:59:21,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 07:59:21,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:59:21,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:59:21,011 INFO L130 BoogieDeclarations]: Found specification of procedure usc_reset [2023-11-19 07:59:21,011 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_reset [2023-11-19 07:59:21,012 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_free_frame_memory [2023-11-19 07:59:21,013 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_free_frame_memory [2023-11-19 07:59:21,013 INFO L130 BoogieDeclarations]: Found specification of procedure usc_InReg [2023-11-19 07:59:21,013 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_InReg [2023-11-19 07:59:21,013 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2023-11-19 07:59:21,013 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2023-11-19 07:59:21,013 INFO L130 BoogieDeclarations]: Found specification of procedure usc_enable_loopback [2023-11-19 07:59:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_enable_loopback [2023-11-19 07:59:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_load_tx_dma_buffer [2023-11-19 07:59:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_load_tx_dma_buffer [2023-11-19 07:59:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure usc_DmaCmd [2023-11-19 07:59:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_DmaCmd [2023-11-19 07:59:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_flush_buffer [2023-11-19 07:59:21,016 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_flush_buffer [2023-11-19 07:59:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-19 07:59:21,016 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-19 07:59:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_raised [2023-11-19 07:59:21,016 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_raised [2023-11-19 07:59:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure usc_RTCmd [2023-11-19 07:59:21,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_RTCmd [2023-11-19 07:59:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:59:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure usc_set_sdlc_mode [2023-11-19 07:59:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_set_sdlc_mode [2023-11-19 07:59:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure usc_stop_receiver [2023-11-19 07:59:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_stop_receiver [2023-11-19 07:59:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:59:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:59:21,024 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 07:59:21,025 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 07:59:21,025 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 07:59:21,029 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_add_device [2023-11-19 07:59:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_add_device [2023-11-19 07:59:21,030 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_unthrottle [2023-11-19 07:59:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_unthrottle [2023-11-19 07:59:21,030 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_throttle [2023-11-19 07:59:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_throttle [2023-11-19 07:59:21,030 INFO L130 BoogieDeclarations]: Found specification of procedure usc_OutReg [2023-11-19 07:59:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_OutReg [2023-11-19 07:59:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 07:59:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 07:59:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmget [2023-11-19 07:59:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmget [2023-11-19 07:59:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_set_termios [2023-11-19 07:59:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_set_termios [2023-11-19 07:59:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-19 07:59:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-19 07:59:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 07:59:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 07:59:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure usc_stop_transmitter [2023-11-19 07:59:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_stop_transmitter [2023-11-19 07:59:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:59:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:59:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2023-11-19 07:59:21,033 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2023-11-19 07:59:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:59:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:59:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_flush_chars [2023-11-19 07:59:21,033 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_flush_chars [2023-11-19 07:59:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 07:59:21,033 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 07:59:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 07:59:21,034 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 07:59:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_send_xchar [2023-11-19 07:59:21,034 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_send_xchar [2023-11-19 07:59:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_change_params [2023-11-19 07:59:21,034 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_change_params [2023-11-19 07:59:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 07:59:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 07:59:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:59:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:59:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure usc_get_serial_signals [2023-11-19 07:59:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_get_serial_signals [2023-11-19 07:59:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_reset_rx_dma_buffers [2023-11-19 07:59:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_reset_rx_dma_buffers [2023-11-19 07:59:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:59:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:59:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 07:59:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 07:59:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure usc_start_transmitter [2023-11-19 07:59:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_start_transmitter [2023-11-19 07:59:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-19 07:59:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-19 07:59:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2023-11-19 07:59:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2023-11-19 07:59:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-19 07:59:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-19 07:59:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_paranoia_check [2023-11-19 07:59:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_paranoia_check [2023-11-19 07:59:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure usc_InDmaReg [2023-11-19 07:59:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_InDmaReg [2023-11-19 07:59:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:59:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:59:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure usc_loopmode_active [2023-11-19 07:59:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_loopmode_active [2023-11-19 07:59:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_stop [2023-11-19 07:59:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_stop [2023-11-19 07:59:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-19 07:59:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-19 07:59:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:59:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure synclink_remove_one [2023-11-19 07:59:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure synclink_remove_one [2023-11-19 07:59:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-19 07:59:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-19 07:59:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure synclink_cleanup [2023-11-19 07:59:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure synclink_cleanup [2023-11-19 07:59:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:59:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:59:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2023-11-19 07:59:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2023-11-19 07:59:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 07:59:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 07:59:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-19 07:59:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-19 07:59:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-19 07:59:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-19 07:59:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2023-11-19 07:59:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2023-11-19 07:59:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_write_room [2023-11-19 07:59:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_write_room [2023-11-19 07:59:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_break [2023-11-19 07:59:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_break [2023-11-19 07:59:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_allocate_device [2023-11-19 07:59:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_allocate_device [2023-11-19 07:59:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2023-11-19 07:59:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2023-11-19 07:59:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_install [2023-11-19 07:59:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_install [2023-11-19 07:59:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2023-11-19 07:59:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2023-11-19 07:59:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_release_resources [2023-11-19 07:59:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_release_resources [2023-11-19 07:59:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-19 07:59:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-19 07:59:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-19 07:59:21,045 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-19 07:59:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 07:59:21,045 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 07:59:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure usc_loopmode_send_done [2023-11-19 07:59:21,045 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_loopmode_send_done [2023-11-19 07:59:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 07:59:21,046 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 07:59:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-19 07:59:21,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-19 07:59:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:59:21,046 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:59:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_ioctl [2023-11-19 07:59:21,046 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_ioctl [2023-11-19 07:59:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_tty_port [2023-11-19 07:59:21,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_tty_port [2023-11-19 07:59:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:59:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:59:21,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:59:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure msgl_get_icount [2023-11-19 07:59:21,149 INFO L138 BoogieDeclarations]: Found implementation of procedure msgl_get_icount [2023-11-19 07:59:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_chars_in_buffer [2023-11-19 07:59:21,149 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_chars_in_buffer [2023-11-19 07:59:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-19 07:59:21,149 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-19 07:59:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2023-11-19 07:59:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2023-11-19 07:59:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-19 07:59:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-19 07:59:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_put_char [2023-11-19 07:59:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_put_char [2023-11-19 07:59:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_program_hw [2023-11-19 07:59:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_program_hw [2023-11-19 07:59:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2023-11-19 07:59:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2023-11-19 07:59:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_hangup [2023-11-19 07:59:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_hangup [2023-11-19 07:59:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-19 07:59:21,152 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-19 07:59:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2023-11-19 07:59:21,152 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2023-11-19 07:59:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-19 07:59:21,152 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-19 07:59:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:59:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_alloc_frame_memory [2023-11-19 07:59:21,153 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_alloc_frame_memory [2023-11-19 07:59:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-19 07:59:21,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-19 07:59:21,156 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-19 07:59:21,156 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-19 07:59:22,536 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:59:22,542 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:59:57,290 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:59:57,337 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:59:57,337 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:59:57,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:57 BoogieIcfgContainer [2023-11-19 07:59:57,361 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:59:57,364 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:59:57,364 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:59:57,367 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:59:57,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:59:13" (1/3) ... [2023-11-19 07:59:57,368 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@757f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:59:57, skipping insertion in model container [2023-11-19 07:59:57,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (2/3) ... [2023-11-19 07:59:57,369 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@757f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:59:57, skipping insertion in model container [2023-11-19 07:59:57,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:57" (3/3) ... [2023-11-19 07:59:57,370 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--tty--synclink.ko-main.cil.out.i [2023-11-19 07:59:57,388 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:59:57,389 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:59:57,533 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:59:57,542 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;@46b67942, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:59:57,543 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:59:57,562 INFO L276 IsEmpty]: Start isEmpty. Operand has 4134 states, 3016 states have (on average 1.4764588859416445) internal successors, (4453), 3080 states have internal predecessors, (4453), 995 states have call successors, (995), 121 states have call predecessors, (995), 121 states have return successors, (995), 984 states have call predecessors, (995), 995 states have call successors, (995) [2023-11-19 07:59:57,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 07:59:57,587 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:57,588 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:57,588 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:59:57,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:57,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1011795031, now seen corresponding path program 1 times [2023-11-19 07:59:57,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:57,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119916897] [2023-11-19 07:59:57,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:57,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat