./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 cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509d2be5-073c-4302-9c47-116485ecc85c/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509d2be5-073c-4302-9c47-116485ecc85c/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509d2be5-073c-4302-9c47-116485ecc85c/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509d2be5-073c-4302-9c47-116485ecc85c/bin/uautomizer-verify-uTZkv6EMXl/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_509d2be5-073c-4302-9c47-116485ecc85c/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509d2be5-073c-4302-9c47-116485ecc85c/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 51be78885ca7a0fdf86d7aa977405871bdb86d4d67702760ccb1fc038e7f33e2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:34:24,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:34:25,064 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509d2be5-073c-4302-9c47-116485ecc85c/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:34:25,069 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:34:25,069 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:34:25,093 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:34:25,094 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:34:25,095 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:34:25,096 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:34:25,096 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:34:25,097 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:34:25,098 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:34:25,099 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:34:25,099 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:34:25,100 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:34:25,101 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:34:25,101 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:34:25,102 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:34:25,102 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:34:25,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:34:25,104 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:34:25,104 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:34:25,105 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:34:25,106 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:34:25,106 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:34:25,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:34:25,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:34:25,108 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:34:25,108 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:34:25,109 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:34:25,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:34:25,110 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:34:25,110 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:34:25,111 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:34:25,111 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:34:25,111 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:34:25,111 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_509d2be5-073c-4302-9c47-116485ecc85c/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509d2be5-073c-4302-9c47-116485ecc85c/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51be78885ca7a0fdf86d7aa977405871bdb86d4d67702760ccb1fc038e7f33e2 [2023-11-12 02:34:25,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:34:25,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:34:25,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:34:25,447 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:34:25,448 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:34:25,449 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509d2be5-073c-4302-9c47-116485ecc85c/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclink.ko-main.cil.out.i [2023-11-12 02:34:28,549 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:34:29,279 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:34:29,280 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509d2be5-073c-4302-9c47-116485ecc85c/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclink.ko-main.cil.out.i [2023-11-12 02:34:29,360 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509d2be5-073c-4302-9c47-116485ecc85c/bin/uautomizer-verify-uTZkv6EMXl/data/c7691a464/4a75334d69e540679d2d83374c76ad1c/FLAG0f1352992 [2023-11-12 02:34:29,378 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509d2be5-073c-4302-9c47-116485ecc85c/bin/uautomizer-verify-uTZkv6EMXl/data/c7691a464/4a75334d69e540679d2d83374c76ad1c [2023-11-12 02:34:29,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:34:29,389 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:34:29,390 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:34:29,392 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:34:29,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:34:29,402 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:34:29" (1/1) ... [2023-11-12 02:34:29,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e7baa2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:34:29, skipping insertion in model container [2023-11-12 02:34:29,404 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:34:29" (1/1) ... [2023-11-12 02:34:29,800 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:34:33,130 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_509d2be5-073c-4302-9c47-116485ecc85c/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclink.ko-main.cil.out.i[420085,420098] [2023-11-12 02:34:33,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:34:33,394 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:34:33,524 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] [2023-11-12 02:34:33,526 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] [2023-11-12 02:34:33,527 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] [2023-11-12 02:34:33,528 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] [2023-11-12 02:34:33,529 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5253] [2023-11-12 02:34:33,529 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5256] [2023-11-12 02:34:33,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5259] [2023-11-12 02:34:33,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5262] [2023-11-12 02:34:33,532 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] [2023-11-12 02:34:33,533 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] [2023-11-12 02:34:33,536 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5430] [2023-11-12 02:34:33,537 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5437] [2023-11-12 02:34:33,537 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5444] [2023-11-12 02:34:33,538 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5451] [2023-11-12 02:34:33,741 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] [2023-11-12 02:34:33,741 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] [2023-11-12 02:34:33,742 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] [2023-11-12 02:34:33,742 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] [2023-11-12 02:34:33,745 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] [2023-11-12 02:34:33,745 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] [2023-11-12 02:34:33,746 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] [2023-11-12 02:34:33,746 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] [2023-11-12 02:34:33,752 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] [2023-11-12 02:34:33,752 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] [2023-11-12 02:34:33,753 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] [2023-11-12 02:34:33,753 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] [2023-11-12 02:34:33,754 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] [2023-11-12 02:34:33,755 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] [2023-11-12 02:34:33,755 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] [2023-11-12 02:34:33,756 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] [2023-11-12 02:34:33,756 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] [2023-11-12 02:34:33,761 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] [2023-11-12 02:34:33,761 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] [2023-11-12 02:34:33,762 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] [2023-11-12 02:34:33,762 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] [2023-11-12 02:34:33,764 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] [2023-11-12 02:34:33,765 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] [2023-11-12 02:34:33,765 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] [2023-11-12 02:34:33,766 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] [2023-11-12 02:34:33,770 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] [2023-11-12 02:34:33,770 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] [2023-11-12 02:34:33,771 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] [2023-11-12 02:34:33,771 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] [2023-11-12 02:34:33,801 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] [2023-11-12 02:34:33,801 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] [2023-11-12 02:34:33,802 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] [2023-11-12 02:34:33,802 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] [2023-11-12 02:34:33,804 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] [2023-11-12 02:34:33,805 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] [2023-11-12 02:34:33,805 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] [2023-11-12 02:34:33,806 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] [2023-11-12 02:34:34,143 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_509d2be5-073c-4302-9c47-116485ecc85c/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclink.ko-main.cil.out.i[420085,420098] [2023-11-12 02:34:34,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:34:34,380 WARN L672 CHandler]: The function strcat is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:34:34,380 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:34:34,380 WARN L672 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:34:34,380 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:34:34,381 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:34:34,388 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:34:34,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:34:34 WrapperNode [2023-11-12 02:34:34,448 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:34:34,449 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:34:34,449 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:34:34,449 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:34:34,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:34:34" (1/1) ... [2023-11-12 02:34:34,657 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:34:34" (1/1) ... [2023-11-12 02:34:34,950 INFO L138 Inliner]: procedures = 395, calls = 4232, calls flagged for inlining = 200, calls inlined = 147, statements flattened = 8538 [2023-11-12 02:34:34,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:34:34,951 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:34:34,951 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:34:34,952 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:34:34,961 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:34:34" (1/1) ... [2023-11-12 02:34:34,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:34:34" (1/1) ... [2023-11-12 02:34:35,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:34:34" (1/1) ... [2023-11-12 02:34:35,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:34:34" (1/1) ... [2023-11-12 02:34:35,320 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:34:34" (1/1) ... [2023-11-12 02:34:35,368 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:34:34" (1/1) ... [2023-11-12 02:34:35,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:34:34" (1/1) ... [2023-11-12 02:34:35,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:34:34" (1/1) ... [2023-11-12 02:34:35,490 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:34:35,491 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:34:35,491 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:34:35,491 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:34:35,493 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:34:34" (1/1) ... [2023-11-12 02:34:35,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:34:35,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509d2be5-073c-4302-9c47-116485ecc85c/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:34:35,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509d2be5-073c-4302-9c47-116485ecc85c/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:34:35,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509d2be5-073c-4302-9c47-116485ecc85c/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:34:35,571 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_wait_until_sent [2023-11-12 02:34:35,571 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_wait_until_sent [2023-11-12 02:34:35,572 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-12 02:34:35,572 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 02:34:35,572 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 02:34:35,572 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_start [2023-11-12 02:34:35,572 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_start [2023-11-12 02:34:35,572 INFO L130 BoogieDeclarations]: Found specification of procedure usc_set_txidle [2023-11-12 02:34:35,573 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_set_txidle [2023-11-12 02:34:35,573 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_ioctl [2023-11-12 02:34:35,573 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_ioctl [2023-11-12 02:34:35,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:34:35,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:34:35,574 INFO L130 BoogieDeclarations]: Found specification of procedure usc_loopback_frame [2023-11-12 02:34:35,574 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_loopback_frame [2023-11-12 02:34:35,575 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2023-11-12 02:34:35,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2023-11-12 02:34:35,575 INFO L130 BoogieDeclarations]: Found specification of procedure usc_start_receiver [2023-11-12 02:34:35,575 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_start_receiver [2023-11-12 02:34:35,576 INFO L130 BoogieDeclarations]: Found specification of procedure usc_set_serial_signals [2023-11-12 02:34:35,576 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_set_serial_signals [2023-11-12 02:34:35,577 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_trace_block [2023-11-12 02:34:35,577 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_trace_block [2023-11-12 02:34:35,577 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-12 02:34:35,577 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-12 02:34:35,577 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 02:34:35,578 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 02:34:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mgsl_ops_disconnect_2 [2023-11-12 02:34:35,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mgsl_ops_disconnect_2 [2023-11-12 02:34:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2023-11-12 02:34:35,578 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2023-11-12 02:34:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 02:34:35,579 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 02:34:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 02:34:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-12 02:34:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2023-11-12 02:34:35,579 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2023-11-12 02:34:35,639 INFO L130 BoogieDeclarations]: Found specification of procedure load_next_tx_holding_buffer [2023-11-12 02:34:35,639 INFO L138 BoogieDeclarations]: Found implementation of procedure load_next_tx_holding_buffer [2023-11-12 02:34:35,640 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 02:34:35,640 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 02:34:35,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_tty_port [2023-11-12 02:34:35,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_tty_port [2023-11-12 02:34:35,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:34:35,640 INFO L130 BoogieDeclarations]: Found specification of procedure dtr_rts [2023-11-12 02:34:35,640 INFO L138 BoogieDeclarations]: Found implementation of procedure dtr_rts [2023-11-12 02:34:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-12 02:34:35,641 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-12 02:34:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-12 02:34:35,641 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-12 02:34:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-11-12 02:34:35,641 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-11-12 02:34:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 02:34:35,641 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 02:34:35,642 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmset [2023-11-12 02:34:35,642 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmset [2023-11-12 02:34:35,642 INFO L130 BoogieDeclarations]: Found specification of procedure usc_OutDmaReg [2023-11-12 02:34:35,642 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_OutDmaReg [2023-11-12 02:34:35,642 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 02:34:35,642 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 02:34:35,642 INFO L130 BoogieDeclarations]: Found specification of procedure usc_loopmode_cancel_transmit [2023-11-12 02:34:35,642 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_loopmode_cancel_transmit [2023-11-12 02:34:35,643 INFO L130 BoogieDeclarations]: Found specification of procedure usc_load_txfifo [2023-11-12 02:34:35,643 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_load_txfifo [2023-11-12 02:34:35,643 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-12 02:34:35,643 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-12 02:34:35,643 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_timeout [2023-11-12 02:34:35,643 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_timeout [2023-11-12 02:34:35,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:34:35,643 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-12 02:34:35,644 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-12 02:34:35,644 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 02:34:35,644 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 02:34:35,644 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 02:34:35,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 02:34:35,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:34:35,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:34:35,644 INFO L130 BoogieDeclarations]: Found specification of procedure usc_reset [2023-11-12 02:34:35,645 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_reset [2023-11-12 02:34:35,645 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_free_frame_memory [2023-11-12 02:34:35,645 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_free_frame_memory [2023-11-12 02:34:35,645 INFO L130 BoogieDeclarations]: Found specification of procedure usc_InReg [2023-11-12 02:34:35,645 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_InReg [2023-11-12 02:34:35,645 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2023-11-12 02:34:35,645 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2023-11-12 02:34:35,645 INFO L130 BoogieDeclarations]: Found specification of procedure usc_enable_loopback [2023-11-12 02:34:35,646 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_enable_loopback [2023-11-12 02:34:35,646 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_load_tx_dma_buffer [2023-11-12 02:34:35,646 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_load_tx_dma_buffer [2023-11-12 02:34:35,646 INFO L130 BoogieDeclarations]: Found specification of procedure usc_DmaCmd [2023-11-12 02:34:35,646 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_DmaCmd [2023-11-12 02:34:35,646 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_flush_buffer [2023-11-12 02:34:35,646 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_flush_buffer [2023-11-12 02:34:35,646 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-12 02:34:35,647 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-12 02:34:35,647 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_raised [2023-11-12 02:34:35,647 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_raised [2023-11-12 02:34:35,647 INFO L130 BoogieDeclarations]: Found specification of procedure usc_RTCmd [2023-11-12 02:34:35,647 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_RTCmd [2023-11-12 02:34:35,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:34:35,647 INFO L130 BoogieDeclarations]: Found specification of procedure usc_set_sdlc_mode [2023-11-12 02:34:35,647 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_set_sdlc_mode [2023-11-12 02:34:35,648 INFO L130 BoogieDeclarations]: Found specification of procedure usc_stop_receiver [2023-11-12 02:34:35,648 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_stop_receiver [2023-11-12 02:34:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:34:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:34:35,653 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 02:34:35,654 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 02:34:35,654 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 02:34:35,658 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_add_device [2023-11-12 02:34:35,658 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_add_device [2023-11-12 02:34:35,659 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_unthrottle [2023-11-12 02:34:35,659 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_unthrottle [2023-11-12 02:34:35,659 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_throttle [2023-11-12 02:34:35,659 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_throttle [2023-11-12 02:34:35,659 INFO L130 BoogieDeclarations]: Found specification of procedure usc_OutReg [2023-11-12 02:34:35,659 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_OutReg [2023-11-12 02:34:35,660 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 02:34:35,660 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 02:34:35,660 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmget [2023-11-12 02:34:35,660 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmget [2023-11-12 02:34:35,660 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_set_termios [2023-11-12 02:34:35,661 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_set_termios [2023-11-12 02:34:35,661 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-12 02:34:35,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-12 02:34:35,662 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 02:34:35,662 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 02:34:35,662 INFO L130 BoogieDeclarations]: Found specification of procedure usc_stop_transmitter [2023-11-12 02:34:35,662 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_stop_transmitter [2023-11-12 02:34:35,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:34:35,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:34:35,663 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2023-11-12 02:34:35,663 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2023-11-12 02:34:35,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:34:35,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:34:35,664 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_flush_chars [2023-11-12 02:34:35,664 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_flush_chars [2023-11-12 02:34:35,664 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-12 02:34:35,664 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-12 02:34:35,664 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-12 02:34:35,664 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-12 02:34:35,665 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_send_xchar [2023-11-12 02:34:35,665 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_send_xchar [2023-11-12 02:34:35,665 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_change_params [2023-11-12 02:34:35,665 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_change_params [2023-11-12 02:34:35,665 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 02:34:35,665 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 02:34:35,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 02:34:35,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 02:34:35,666 INFO L130 BoogieDeclarations]: Found specification of procedure usc_get_serial_signals [2023-11-12 02:34:35,666 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_get_serial_signals [2023-11-12 02:34:35,666 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_reset_rx_dma_buffers [2023-11-12 02:34:35,666 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_reset_rx_dma_buffers [2023-11-12 02:34:35,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:34:35,667 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:34:35,667 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 02:34:35,667 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 02:34:35,667 INFO L130 BoogieDeclarations]: Found specification of procedure usc_start_transmitter [2023-11-12 02:34:35,667 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_start_transmitter [2023-11-12 02:34:35,668 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-12 02:34:35,668 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-12 02:34:35,668 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2023-11-12 02:34:35,668 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2023-11-12 02:34:35,669 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-12 02:34:35,669 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-12 02:34:35,669 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_paranoia_check [2023-11-12 02:34:35,669 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_paranoia_check [2023-11-12 02:34:35,669 INFO L130 BoogieDeclarations]: Found specification of procedure usc_InDmaReg [2023-11-12 02:34:35,669 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_InDmaReg [2023-11-12 02:34:35,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:34:35,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:34:35,670 INFO L130 BoogieDeclarations]: Found specification of procedure usc_loopmode_active [2023-11-12 02:34:35,670 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_loopmode_active [2023-11-12 02:34:35,670 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_stop [2023-11-12 02:34:35,670 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_stop [2023-11-12 02:34:35,671 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-12 02:34:35,671 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-12 02:34:35,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:34:35,671 INFO L130 BoogieDeclarations]: Found specification of procedure synclink_remove_one [2023-11-12 02:34:35,671 INFO L138 BoogieDeclarations]: Found implementation of procedure synclink_remove_one [2023-11-12 02:34:35,671 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-12 02:34:35,672 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-12 02:34:35,672 INFO L130 BoogieDeclarations]: Found specification of procedure synclink_cleanup [2023-11-12 02:34:35,672 INFO L138 BoogieDeclarations]: Found implementation of procedure synclink_cleanup [2023-11-12 02:34:35,672 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:34:35,672 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:34:35,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2023-11-12 02:34:35,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2023-11-12 02:34:35,673 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-12 02:34:35,673 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-12 02:34:35,673 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-12 02:34:35,673 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-12 02:34:35,674 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-12 02:34:35,674 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-12 02:34:35,674 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2023-11-12 02:34:35,674 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2023-11-12 02:34:35,674 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_write_room [2023-11-12 02:34:35,675 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_write_room [2023-11-12 02:34:35,676 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_break [2023-11-12 02:34:35,676 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_break [2023-11-12 02:34:35,676 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_allocate_device [2023-11-12 02:34:35,676 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_allocate_device [2023-11-12 02:34:35,676 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2023-11-12 02:34:35,676 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2023-11-12 02:34:35,677 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_install [2023-11-12 02:34:35,677 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_install [2023-11-12 02:34:35,677 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2023-11-12 02:34:35,677 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2023-11-12 02:34:35,677 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_release_resources [2023-11-12 02:34:35,677 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_release_resources [2023-11-12 02:34:35,678 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-12 02:34:35,678 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-12 02:34:35,678 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 02:34:35,678 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 02:34:35,678 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 02:34:35,678 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 02:34:35,679 INFO L130 BoogieDeclarations]: Found specification of procedure usc_loopmode_send_done [2023-11-12 02:34:35,679 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_loopmode_send_done [2023-11-12 02:34:35,680 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 02:34:35,680 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 02:34:35,680 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-12 02:34:35,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-12 02:34:35,680 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 02:34:35,680 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 02:34:35,681 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_ioctl [2023-11-12 02:34:35,681 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_ioctl [2023-11-12 02:34:35,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_tty_port [2023-11-12 02:34:35,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_tty_port [2023-11-12 02:34:35,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:34:35,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:34:35,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:34:35,688 INFO L130 BoogieDeclarations]: Found specification of procedure msgl_get_icount [2023-11-12 02:34:35,688 INFO L138 BoogieDeclarations]: Found implementation of procedure msgl_get_icount [2023-11-12 02:34:35,688 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_chars_in_buffer [2023-11-12 02:34:35,688 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_chars_in_buffer [2023-11-12 02:34:35,689 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-12 02:34:35,689 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-12 02:34:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2023-11-12 02:34:35,691 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2023-11-12 02:34:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-12 02:34:35,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-12 02:34:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_put_char [2023-11-12 02:34:35,692 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_put_char [2023-11-12 02:34:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_program_hw [2023-11-12 02:34:35,692 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_program_hw [2023-11-12 02:34:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2023-11-12 02:34:35,692 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2023-11-12 02:34:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_hangup [2023-11-12 02:34:35,693 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_hangup [2023-11-12 02:34:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-12 02:34:35,693 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-12 02:34:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2023-11-12 02:34:35,694 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2023-11-12 02:34:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-12 02:34:35,694 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-12 02:34:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:34:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_alloc_frame_memory [2023-11-12 02:34:35,695 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_alloc_frame_memory [2023-11-12 02:34:35,695 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-12 02:34:35,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-12 02:34:35,695 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-12 02:34:35,695 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-12 02:34:36,813 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:34:36,818 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:35:07,602 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:35:07,630 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:35:07,630 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:35:07,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:35:07 BoogieIcfgContainer [2023-11-12 02:35:07,636 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:35:07,639 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:35:07,639 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:35:07,642 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:35:07,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:34:29" (1/3) ... [2023-11-12 02:35:07,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a046c1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:35:07, skipping insertion in model container [2023-11-12 02:35:07,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:34:34" (2/3) ... [2023-11-12 02:35:07,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a046c1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:35:07, skipping insertion in model container [2023-11-12 02:35:07,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:35:07" (3/3) ... [2023-11-12 02:35:07,645 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--tty--synclink.ko-main.cil.out.i [2023-11-12 02:35:07,662 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:35:07,662 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:35:07,781 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:35:07,788 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;@22f76e8f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:35:07,788 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:35:07,807 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) [2023-11-12 02:35:07,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-12 02:35:07,833 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:35:07,834 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] [2023-11-12 02:35:07,835 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:35:07,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:35:07,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1011795031, now seen corresponding path program 1 times [2023-11-12 02:35:07,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:35:07,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170105748] [2023-11-12 02:35:07,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:35:07,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:35:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:35:08,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-12 02:35:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:35:08,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:35:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:35:08,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:35:08,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:35:08,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170105748] [2023-11-12 02:35:08,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170105748] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:35:08,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:35:08,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:35:08,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926244471] [2023-11-12 02:35:08,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:35:08,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:35:08,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:35:08,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:35:08,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:35:08,722 INFO L87 Difference]: Start difference. First 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) Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:35:15,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:35:17,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []