./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_587673a3-aa60-444d-93bc-07e04b99a8b9/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587673a3-aa60-444d-93bc-07e04b99a8b9/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587673a3-aa60-444d-93bc-07e04b99a8b9/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587673a3-aa60-444d-93bc-07e04b99a8b9/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587673a3-aa60-444d-93bc-07e04b99a8b9/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587673a3-aa60-444d-93bc-07e04b99a8b9/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:47:46,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:47:47,106 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587673a3-aa60-444d-93bc-07e04b99a8b9/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:47:47,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:47:47,113 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:47:47,166 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:47:47,167 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:47:47,167 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:47:47,168 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:47:47,168 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:47:47,169 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:47:47,170 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:47:47,170 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:47:47,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:47:47,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:47:47,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:47:47,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:47:47,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:47:47,174 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:47:47,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:47:47,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:47:47,175 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:47:47,176 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:47:47,176 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:47:47,176 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:47:47,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:47:47,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:47:47,178 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:47:47,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:47:47,179 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:47:47,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:47:47,179 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:47:47,180 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:47:47,180 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:47:47,180 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:47:47,180 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:47:47,181 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_587673a3-aa60-444d-93bc-07e04b99a8b9/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587673a3-aa60-444d-93bc-07e04b99a8b9/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc [2023-11-06 22:47:47,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:47:47,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:47:47,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:47:47,481 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:47:47,483 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:47:47,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587673a3-aa60-444d-93bc-07e04b99a8b9/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2023-11-06 22:47:50,538 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:47:51,401 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:47:51,402 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587673a3-aa60-444d-93bc-07e04b99a8b9/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2023-11-06 22:47:51,485 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587673a3-aa60-444d-93bc-07e04b99a8b9/bin/uautomizer-verify-WvqO1wxjHP/data/97d28ddc7/23014b00db3a422a9656f743cfc8186e/FLAGaf4ed723e [2023-11-06 22:47:51,504 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587673a3-aa60-444d-93bc-07e04b99a8b9/bin/uautomizer-verify-WvqO1wxjHP/data/97d28ddc7/23014b00db3a422a9656f743cfc8186e [2023-11-06 22:47:51,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:47:51,514 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:47:51,516 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:47:51,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:47:51,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:47:51,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:47:51" (1/1) ... [2023-11-06 22:47:51,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64d65d1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:51, skipping insertion in model container [2023-11-06 22:47:51,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:47:51" (1/1) ... [2023-11-06 22:47:51,694 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:47:54,569 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_587673a3-aa60-444d-93bc-07e04b99a8b9/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2023-11-06 22:47:54,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:47:54,685 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:47:54,842 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4931] [2023-11-06 22:47:54,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4938] [2023-11-06 22:47:54,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4945-4946] [2023-11-06 22:47:54,845 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [4959-4960] [2023-11-06 22:47:54,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4979] [2023-11-06 22:47:54,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4981] [2023-11-06 22:47:54,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4983] [2023-11-06 22:47:54,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4986] [2023-11-06 22:47:54,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/arch/x86/include/asm/paravirt.h"), "i" (853), "i" (12UL)); [5024-5025] [2023-11-06 22:47:54,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5030-5032] [2023-11-06 22:47:54,854 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5147] [2023-11-06 22:47:54,854 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5154] [2023-11-06 22:47:54,855 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5161] [2023-11-06 22:47:54,855 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5168] [2023-11-06 22:47:54,855 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5175] [2023-11-06 22:47:54,856 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5182] [2023-11-06 22:47:55,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (idle_mode): "ebx"); [9668] [2023-11-06 22:47:55,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (idle_mode): "ebx"); [9670] [2023-11-06 22:47:55,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (idle_mode): "ebx"); [9673] [2023-11-06 22:47:55,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (idle_mode): "ebx"); [9675] [2023-11-06 22:47:55,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (idle_mode): "ebx"); [9678] [2023-11-06 22:47:55,152 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu), "=d" (__val_gu): "0" (mask_ptr)); [9921] [2023-11-06 22:47:55,153 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu), "=d" (__val_gu): "0" (mask_ptr)); [9923] [2023-11-06 22:47:55,153 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu), "=d" (__val_gu): "0" (mask_ptr)); [9926] [2023-11-06 22:47:55,154 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu), "=d" (__val_gu): "0" (mask_ptr)); [9928] [2023-11-06 22:47:55,154 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu), "=d" (__val_gu): "0" (mask_ptr)); [9931] [2023-11-06 22:47:55,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10006] [2023-11-06 22:47:55,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10012] [2023-11-06 22:47:55,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10018] [2023-11-06 22:47:55,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10025] [2023-11-06 22:47:55,200 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___0), "+m" (*__ptr___3): "0" (__x___0): "memory"); [10066] [2023-11-06 22:47:55,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___0), "+m" (*__ptr___4): "0" (__x___0): "memory"); [10072] [2023-11-06 22:47:55,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___0), "+m" (*__ptr___5): "0" (__x___0): "memory"); [10078] [2023-11-06 22:47:55,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___0), "+m" (*__ptr___6): "0" (__x___0): "memory"); [10085] [2023-11-06 22:47:55,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___1), "+m" (*__ptr___7): "0" (__x___1): "memory"); [10197] [2023-11-06 22:47:55,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___1), "+m" (*__ptr___8): "0" (__x___1): "memory"); [10203] [2023-11-06 22:47:55,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___1), "+m" (*__ptr___9): "0" (__x___1): "memory"); [10209] [2023-11-06 22:47:55,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___1), "+m" (*__ptr___10): "0" (__x___1): "memory"); [10216] [2023-11-06 22:47:55,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [10256-10257] [2023-11-06 22:47:55,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [10259-10260] [2023-11-06 22:47:55,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [10263-10264] [2023-11-06 22:47:55,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [10266-10267] [2023-11-06 22:47:55,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [10270-10271] [2023-11-06 22:47:55,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (if_mode): "ebx"); [10302] [2023-11-06 22:47:55,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (if_mode): "ebx"); [10304] [2023-11-06 22:47:55,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (if_mode): "ebx"); [10307] [2023-11-06 22:47:55,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (if_mode): "ebx"); [10309] [2023-11-06 22:47:55,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (if_mode): "ebx"); [10312] [2023-11-06 22:47:55,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (xsync): "ebx"); [10374] [2023-11-06 22:47:55,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (xsync): "ebx"); [10376] [2023-11-06 22:47:55,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (xsync): "ebx"); [10379] [2023-11-06 22:47:55,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (xsync): "ebx"); [10381] [2023-11-06 22:47:55,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (xsync): "ebx"); [10384] [2023-11-06 22:47:55,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (xctrl): "ebx"); [10436] [2023-11-06 22:47:55,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (xctrl): "ebx"); [10438] [2023-11-06 22:47:55,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (xctrl): "ebx"); [10441] [2023-11-06 22:47:55,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (xctrl): "ebx"); [10443] [2023-11-06 22:47:55,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (xctrl): "ebx"); [10446] [2023-11-06 22:47:55,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10594] [2023-11-06 22:47:55,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10600] [2023-11-06 22:47:55,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10606] [2023-11-06 22:47:55,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10613] [2023-11-06 22:47:55,226 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10657] [2023-11-06 22:47:55,226 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10663] [2023-11-06 22:47:55,226 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10669] [2023-11-06 22:47:55,227 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10676] [2023-11-06 22:47:55,234 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10884] [2023-11-06 22:47:55,234 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10890] [2023-11-06 22:47:55,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10896] [2023-11-06 22:47:55,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10903] [2023-11-06 22:47:55,237 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___0), "+m" (*__ptr___3): "0" (__x___0): "memory"); [10942] [2023-11-06 22:47:55,237 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___0), "+m" (*__ptr___4): "0" (__x___0): "memory"); [10948] [2023-11-06 22:47:55,238 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___0), "+m" (*__ptr___5): "0" (__x___0): "memory"); [10954] [2023-11-06 22:47:55,238 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___0), "+m" (*__ptr___6): "0" (__x___0): "memory"); [10961] [2023-11-06 22:47:55,240 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___1), "+m" (*__ptr___7): "0" (__x___1): "memory"); [11039] [2023-11-06 22:47:55,241 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___1), "+m" (*__ptr___8): "0" (__x___1): "memory"); [11045] [2023-11-06 22:47:55,241 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___1), "+m" (*__ptr___9): "0" (__x___1): "memory"); [11051] [2023-11-06 22:47:55,241 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___1), "+m" (*__ptr___10): "0" (__x___1): "memory"); [11058] [2023-11-06 22:47:55,250 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [11304] [2023-11-06 22:47:55,250 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [11310] [2023-11-06 22:47:55,250 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [11316] [2023-11-06 22:47:55,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [11323] [2023-11-06 22:47:55,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___0), "+m" (*__ptr___3): "0" (__x___0): "memory"); [11394] [2023-11-06 22:47:55,253 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___0), "+m" (*__ptr___4): "0" (__x___0): "memory"); [11400] [2023-11-06 22:47:55,253 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___0), "+m" (*__ptr___5): "0" (__x___0): "memory"); [11406] [2023-11-06 22:47:55,254 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___0), "+m" (*__ptr___6): "0" (__x___0): "memory"); [11413] [2023-11-06 22:47:55,390 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_587673a3-aa60-444d-93bc-07e04b99a8b9/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2023-11-06 22:47:55,400 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:47:55,719 WARN L672 CHandler]: The function strcat is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:47:55,720 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:47:55,720 WARN L672 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:47:55,720 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:47:55,720 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:47:55,728 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:47:55,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:55 WrapperNode [2023-11-06 22:47:55,728 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:47:55,729 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:47:55,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:47:55,730 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:47:55,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:55" (1/1) ... [2023-11-06 22:47:55,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:55" (1/1) ... [2023-11-06 22:47:56,341 INFO L138 Inliner]: procedures = 343, calls = 3676, calls flagged for inlining = 192, calls inlined = 173, statements flattened = 10099 [2023-11-06 22:47:56,342 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:47:56,342 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:47:56,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:47:56,343 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:47:56,353 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:55" (1/1) ... [2023-11-06 22:47:56,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:55" (1/1) ... [2023-11-06 22:47:56,397 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:55" (1/1) ... [2023-11-06 22:47:56,397 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:55" (1/1) ... [2023-11-06 22:47:56,609 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:55" (1/1) ... [2023-11-06 22:47:56,658 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:55" (1/1) ... [2023-11-06 22:47:56,700 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:55" (1/1) ... [2023-11-06 22:47:56,735 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:55" (1/1) ... [2023-11-06 22:47:56,800 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:47:56,801 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:47:56,801 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:47:56,801 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:47:56,802 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:55" (1/1) ... [2023-11-06 22:47:56,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:47:56,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587673a3-aa60-444d-93bc-07e04b99a8b9/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:47:56,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587673a3-aa60-444d-93bc-07e04b99a8b9/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:47:56,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587673a3-aa60-444d-93bc-07e04b99a8b9/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:47:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2023-11-06 22:47:56,976 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2023-11-06 22:47:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-06 22:47:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 22:47:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 22:47:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-06 22:47:56,979 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-06 22:47:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-06 22:47:56,979 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-06 22:47:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-06 22:47:56,979 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-06 22:47:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2023-11-06 22:47:56,980 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2023-11-06 22:47:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 22:47:56,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 22:47:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2023-11-06 22:47:56,980 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2023-11-06 22:47:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-06 22:47:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-06 22:47:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2023-11-06 22:47:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2023-11-06 22:47:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-06 22:47:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-06 22:47:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2023-11-06 22:47:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2023-11-06 22:47:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-11-06 22:47:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-11-06 22:47:56,983 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-06 22:47:56,983 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-06 22:47:56,983 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-06 22:47:56,983 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-06 22:47:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 22:47:56,984 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 22:47:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-06 22:47:56,985 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-06 22:47:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure free_bufs [2023-11-06 22:47:56,985 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bufs [2023-11-06 22:47:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-06 22:47:56,985 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-06 22:47:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2023-11-06 22:47:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2023-11-06 22:47:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2023-11-06 22:47:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2023-11-06 22:47:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-06 22:47:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-06 22:47:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-06 22:47:56,987 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-06 22:47:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2023-11-06 22:47:56,988 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2023-11-06 22:47:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:47:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-06 22:47:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-06 22:47:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2023-11-06 22:47:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2023-11-06 22:47:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:47:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rbufs [2023-11-06 22:47:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rbufs [2023-11-06 22:47:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2023-11-06 22:47:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2023-11-06 22:47:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-06 22:47:56,990 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-06 22:47:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-06 22:47:56,990 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-06 22:47:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-11-06 22:47:56,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-11-06 22:47:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:47:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:47:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2023-11-06 22:47:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2023-11-06 22:47:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2023-11-06 22:47:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2023-11-06 22:47:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-06 22:47:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-06 22:47:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 22:47:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 22:47:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure async_mode [2023-11-06 22:47:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mode [2023-11-06 22:47:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2023-11-06 22:47:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2023-11-06 22:47:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-11-06 22:47:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-11-06 22:47:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-06 22:47:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-06 22:47:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-06 22:47:56,994 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-06 22:47:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-06 22:47:56,994 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-06 22:47:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2023-11-06 22:47:56,994 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2023-11-06 22:47:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-06 22:47:56,995 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-06 22:47:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2023-11-06 22:47:56,995 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2023-11-06 22:47:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-06 22:47:56,995 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-06 22:47:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-06 22:47:56,995 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-06 22:47:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure update_tx_timer [2023-11-06 22:47:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure update_tx_timer [2023-11-06 22:47:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bufs [2023-11-06 22:47:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bufs [2023-11-06 22:47:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 22:47:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-06 22:47:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-06 22:47:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure msc_set_vcr [2023-11-06 22:47:56,997 INFO L138 BoogieDeclarations]: Found implementation of procedure msc_set_vcr [2023-11-06 22:47:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure isr_txeom [2023-11-06 22:47:56,997 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_txeom [2023-11-06 22:47:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-06 22:47:56,997 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-06 22:47:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure setup_timer_key [2023-11-06 22:47:56,998 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_timer_key [2023-11-06 22:47:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-06 22:47:56,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-06 22:47:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_reset [2023-11-06 22:47:56,998 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_reset [2023-11-06 22:47:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 22:47:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2023-11-06 22:47:56,999 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2023-11-06 22:47:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2023-11-06 22:47:56,999 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2023-11-06 22:47:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_cleanup [2023-11-06 22:47:56,999 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_cleanup [2023-11-06 22:47:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:47:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-06 22:47:57,000 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-06 22:47:57,000 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-06 22:47:57,000 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-06 22:47:57,000 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2023-11-06 22:47:57,000 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2023-11-06 22:47:57,000 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2023-11-06 22:47:57,001 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2023-11-06 22:47:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-06 22:47:57,001 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-06 22:47:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-06 22:47:57,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-06 22:47:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2023-11-06 22:47:57,001 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2023-11-06 22:47:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-06 22:47:57,002 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-06 22:47:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-06 22:47:57,002 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-06 22:47:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load [2023-11-06 22:47:57,002 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load [2023-11-06 22:47:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg32 [2023-11-06 22:47:57,003 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg32 [2023-11-06 22:47:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2023-11-06 22:47:57,003 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2023-11-06 22:47:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-06 22:47:57,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-06 22:47:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:47:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-06 22:47:57,004 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-06 22:47:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2023-11-06 22:47:57,004 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2023-11-06 22:47:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg32 [2023-11-06 22:47:57,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg32 [2023-11-06 22:47:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure isr_rxdata [2023-11-06 22:47:57,004 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_rxdata [2023-11-06 22:47:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2023-11-06 22:47:57,005 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2023-11-06 22:47:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure tbuf_bytes [2023-11-06 22:47:57,005 INFO L138 BoogieDeclarations]: Found implementation of procedure tbuf_bytes [2023-11-06 22:47:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:47:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2023-11-06 22:47:57,005 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2023-11-06 22:47:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-06 22:47:57,006 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-06 22:47:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:47:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2023-11-06 22:47:57,006 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2023-11-06 22:47:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2023-11-06 22:47:57,006 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2023-11-06 22:47:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:47:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-06 22:47:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg16 [2023-11-06 22:47:57,007 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg16 [2023-11-06 22:47:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2023-11-06 22:47:57,007 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2023-11-06 22:47:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-06 22:47:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-06 22:47:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg16 [2023-11-06 22:47:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg16 [2023-11-06 22:47:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-06 22:47:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-06 22:47:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure sync_mode [2023-11-06 22:47:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_mode [2023-11-06 22:47:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2023-11-06 22:47:57,009 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2023-11-06 22:47:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2023-11-06 22:47:57,009 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2023-11-06 22:47:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-06 22:47:57,009 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-06 22:47:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2023-11-06 22:47:57,010 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2023-11-06 22:47:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-06 22:47:57,010 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-06 22:47:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure free_tmp_rbuf [2023-11-06 22:47:57,010 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tmp_rbuf [2023-11-06 22:47:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-06 22:47:57,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-06 22:47:57,011 INFO L130 BoogieDeclarations]: Found specification of procedure tdma_reset [2023-11-06 22:47:57,011 INFO L138 BoogieDeclarations]: Found implementation of procedure tdma_reset [2023-11-06 22:47:57,011 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2023-11-06 22:47:57,011 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2023-11-06 22:47:57,011 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-06 22:47:57,011 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-06 22:47:57,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:47:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2023-11-06 22:47:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2023-11-06 22:47:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2023-11-06 22:47:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2023-11-06 22:47:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg8 [2023-11-06 22:47:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg8 [2023-11-06 22:47:57,013 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2023-11-06 22:47:57,013 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2023-11-06 22:47:57,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:47:57,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:47:58,012 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:47:58,016 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:47:58,348 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-06 22:47:58,433 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume !false; [2023-11-06 22:47:58,434 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume false; [2023-11-06 22:47:58,614 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-11-06 22:47:58,614 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-11-06 22:47:59,396 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-06 22:47:59,629 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume false; [2023-11-06 22:47:59,629 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume !false; [2023-11-06 22:48:00,063 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-06 22:48:00,069 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-06 22:48:00,469 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##426: assume !false; [2023-11-06 22:48:00,469 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##425: assume false; [2023-11-06 22:48:00,469 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##187: assume !false; [2023-11-06 22:48:00,469 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##186: assume false; [2023-11-06 22:48:00,763 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-06 22:48:16,529 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##405: assume false; [2023-11-06 22:48:16,529 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##406: assume !false; [2023-11-06 22:48:16,529 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##429: assume false; [2023-11-06 22:48:16,530 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##430: assume !false; [2023-11-06 22:48:16,530 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##441: assume false; [2023-11-06 22:48:16,530 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##442: assume !false; [2023-11-06 22:48:16,530 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L10940: SUMMARY for call modem_input_wait_#t~ret1524#1.base, modem_input_wait_#t~ret1524#1.offset := get_current(); srcloc: null [2023-11-06 22:48:16,530 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L10940-1: modem_input_wait_~tmp___8~2#1.base, modem_input_wait_~tmp___8~2#1.offset := modem_input_wait_#t~ret1524#1.base, modem_input_wait_#t~ret1524#1.offset;havoc modem_input_wait_#t~ret1524#1.base, modem_input_wait_#t~ret1524#1.offset;modem_input_wait_~__ptr___3~1#1.base, modem_input_wait_~__ptr___3~1#1.offset := modem_input_wait_~tmp___8~2#1.base, modem_input_wait_~tmp___8~2#1.offset; [2023-11-06 22:48:16,530 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882: SUMMARY for call modem_input_wait_#t~ret1493#1.base, modem_input_wait_#t~ret1493#1.offset := get_current(); srcloc: null [2023-11-06 22:48:16,531 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882-1: modem_input_wait_~tmp___1~21#1.base, modem_input_wait_~tmp___1~21#1.offset := modem_input_wait_#t~ret1493#1.base, modem_input_wait_#t~ret1493#1.offset;havoc modem_input_wait_#t~ret1493#1.base, modem_input_wait_#t~ret1493#1.offset;modem_input_wait_~__ptr~3#1.base, modem_input_wait_~__ptr~3#1.offset := modem_input_wait_~tmp___1~21#1.base, modem_input_wait_~tmp___1~21#1.offset; [2023-11-06 22:48:16,531 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##492: assume !false; [2023-11-06 22:48:16,531 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##491: assume false; [2023-11-06 22:48:16,531 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##286: assume !false; [2023-11-06 22:48:16,531 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##285: assume false; [2023-11-06 22:48:16,531 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##217: assume !false; [2023-11-06 22:48:16,531 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##216: assume false; [2023-11-06 22:48:16,531 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##221: assume false; [2023-11-06 22:48:16,532 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##222: assume !false; [2023-11-06 22:48:16,532 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##229: assume !false; [2023-11-06 22:48:16,532 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##228: assume false; [2023-11-06 22:48:16,532 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##469: assume !false; [2023-11-06 22:48:16,532 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##468: assume false; [2023-11-06 22:48:16,532 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L11037-1: modem_input_wait_~tmp___12~1#1.base, modem_input_wait_~tmp___12~1#1.offset := modem_input_wait_#t~ret1571#1.base, modem_input_wait_#t~ret1571#1.offset;havoc modem_input_wait_#t~ret1571#1.base, modem_input_wait_#t~ret1571#1.offset;modem_input_wait_~__ptr___7~1#1.base, modem_input_wait_~__ptr___7~1#1.offset := modem_input_wait_~tmp___12~1#1.base, modem_input_wait_~tmp___12~1#1.offset; [2023-11-06 22:48:16,532 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L11037: SUMMARY for call modem_input_wait_#t~ret1571#1.base, modem_input_wait_#t~ret1571#1.offset := get_current(); srcloc: null [2023-11-06 22:48:16,533 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##561: assume !false; [2023-11-06 22:48:16,533 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##560: assume false; [2023-11-06 22:48:16,533 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L10655-1: remove_cond_wait_~tmp~91#1.base, remove_cond_wait_~tmp~91#1.offset := remove_cond_wait_#t~ret1424#1.base, remove_cond_wait_#t~ret1424#1.offset;havoc remove_cond_wait_#t~ret1424#1.base, remove_cond_wait_#t~ret1424#1.offset;remove_cond_wait_~__ptr~2#1.base, remove_cond_wait_~__ptr~2#1.offset := remove_cond_wait_~tmp~91#1.base, remove_cond_wait_~tmp~91#1.offset; [2023-11-06 22:48:16,533 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L10655: SUMMARY for call remove_cond_wait_#t~ret1424#1.base, remove_cond_wait_#t~ret1424#1.offset := get_current(); srcloc: null [2023-11-06 22:48:16,533 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L10195: SUMMARY for call wait_mgsl_event_#t~ret1347#1.base, wait_mgsl_event_#t~ret1347#1.offset := get_current(); srcloc: null [2023-11-06 22:48:16,533 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L10195-1: wait_mgsl_event_~tmp___26~0#1.base, wait_mgsl_event_~tmp___26~0#1.offset := wait_mgsl_event_#t~ret1347#1.base, wait_mgsl_event_#t~ret1347#1.offset;havoc wait_mgsl_event_#t~ret1347#1.base, wait_mgsl_event_#t~ret1347#1.offset;wait_mgsl_event_~__ptr___7~0#1.base, wait_mgsl_event_~__ptr___7~0#1.offset := wait_mgsl_event_~tmp___26~0#1.base, wait_mgsl_event_~tmp___26~0#1.offset; [2023-11-06 22:48:16,533 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L10592: SUMMARY for call add_cond_wait_#t~ret1419#1.base, add_cond_wait_#t~ret1419#1.offset := get_current(); srcloc: null [2023-11-06 22:48:16,533 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L10592-1: add_cond_wait_~tmp~90#1.base, add_cond_wait_~tmp~90#1.offset := add_cond_wait_#t~ret1419#1.base, add_cond_wait_#t~ret1419#1.offset;havoc add_cond_wait_#t~ret1419#1.base, add_cond_wait_#t~ret1419#1.offset;add_cond_wait_~__ptr~1#1.base, add_cond_wait_~__ptr~1#1.offset := add_cond_wait_~tmp~90#1.base, add_cond_wait_~tmp~90#1.offset; [2023-11-06 22:48:16,534 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L10064: SUMMARY for call wait_mgsl_event_#t~ret1271#1.base, wait_mgsl_event_#t~ret1271#1.offset := get_current(); srcloc: null [2023-11-06 22:48:16,534 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L10064-1: wait_mgsl_event_~tmp___13~0#1.base, wait_mgsl_event_~tmp___13~0#1.offset := wait_mgsl_event_#t~ret1271#1.base, wait_mgsl_event_#t~ret1271#1.offset;havoc wait_mgsl_event_#t~ret1271#1.base, wait_mgsl_event_#t~ret1271#1.offset;wait_mgsl_event_~__ptr___3~0#1.base, wait_mgsl_event_~__ptr___3~0#1.offset := wait_mgsl_event_~tmp___13~0#1.base, wait_mgsl_event_~tmp___13~0#1.offset; [2023-11-06 22:48:16,534 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##193: assume !false; [2023-11-06 22:48:16,534 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume false; [2023-11-06 22:48:16,534 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2023-11-06 22:48:16,534 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2023-11-06 22:48:16,534 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L10004: SUMMARY for call wait_mgsl_event_#t~ret1232#1.base, wait_mgsl_event_#t~ret1232#1.offset := get_current(); srcloc: null [2023-11-06 22:48:16,535 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L10004-1: wait_mgsl_event_~tmp___6~1#1.base, wait_mgsl_event_~tmp___6~1#1.offset := wait_mgsl_event_#t~ret1232#1.base, wait_mgsl_event_#t~ret1232#1.offset;havoc wait_mgsl_event_#t~ret1232#1.base, wait_mgsl_event_#t~ret1232#1.offset;wait_mgsl_event_~__ptr~0#1.base, wait_mgsl_event_~__ptr~0#1.offset := wait_mgsl_event_~tmp___6~1#1.base, wait_mgsl_event_~tmp___6~1#1.offset; [2023-11-06 22:48:16,535 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##397: assume false; [2023-11-06 22:48:16,535 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##398: assume !false; [2023-11-06 22:48:16,535 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##117: assume !false; [2023-11-06 22:48:16,535 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##116: assume false; [2023-11-06 22:48:16,535 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##124: assume !false; [2023-11-06 22:48:16,535 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##123: assume false; [2023-11-06 22:48:16,934 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-06 22:48:16,937 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-06 22:48:16,946 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-06 22:48:16,947 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-06 22:48:16,948 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-06 22:48:30,801 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##324: assume false; [2023-11-06 22:48:30,802 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L11392: SUMMARY for call block_til_ready_#t~ret1652#1.base, block_til_ready_#t~ret1652#1.offset := get_current(); srcloc: null [2023-11-06 22:48:30,802 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L11392-1: block_til_ready_~tmp___9~2#1.base, block_til_ready_~tmp___9~2#1.offset := block_til_ready_#t~ret1652#1.base, block_til_ready_#t~ret1652#1.offset;havoc block_til_ready_#t~ret1652#1.base, block_til_ready_#t~ret1652#1.offset;block_til_ready_~__ptr___3~2#1.base, block_til_ready_~__ptr___3~2#1.offset := block_til_ready_~tmp___9~2#1.base, block_til_ready_~tmp___9~2#1.offset; [2023-11-06 22:48:30,802 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##325: assume !false;call ULTIMATE.dealloc(hdlcdev_ioctl_~#new_line~0#1.base, hdlcdev_ioctl_~#new_line~0#1.offset);havoc hdlcdev_ioctl_~#new_line~0#1.base, hdlcdev_ioctl_~#new_line~0#1.offset; [2023-11-06 22:48:30,802 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##342: assume false; [2023-11-06 22:48:30,802 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##343: assume !false; [2023-11-06 22:48:30,802 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##364: assume false; [2023-11-06 22:48:30,802 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##365: assume !false; [2023-11-06 22:48:30,803 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##532: assume !false; [2023-11-06 22:48:30,803 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##531: assume false; [2023-11-06 22:48:30,803 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##78: assume !false; [2023-11-06 22:48:30,803 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume false; [2023-11-06 22:48:30,803 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##568: assume !false; [2023-11-06 22:48:30,803 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##567: assume false; [2023-11-06 22:48:30,804 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L11302-1: block_til_ready_~tmp___2~14#1.base, block_til_ready_~tmp___2~14#1.offset := block_til_ready_#t~ret1636#1.base, block_til_ready_#t~ret1636#1.offset;havoc block_til_ready_#t~ret1636#1.base, block_til_ready_#t~ret1636#1.offset;block_til_ready_~__ptr~4#1.base, block_til_ready_~__ptr~4#1.offset := block_til_ready_~tmp___2~14#1.base, block_til_ready_~tmp___2~14#1.offset; [2023-11-06 22:48:30,804 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L11302: SUMMARY for call block_til_ready_#t~ret1636#1.base, block_til_ready_#t~ret1636#1.offset := get_current(); srcloc: null [2023-11-06 22:48:30,804 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##139: assume !false; [2023-11-06 22:48:30,804 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##138: assume false; [2023-11-06 22:48:31,206 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:48:31,233 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:48:31,233 INFO L302 CfgBuilder]: Removed 17 assume(true) statements. [2023-11-06 22:48:31,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:48:31 BoogieIcfgContainer [2023-11-06 22:48:31,239 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:48:31,242 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:48:31,242 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:48:31,245 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:48:31,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:47:51" (1/3) ... [2023-11-06 22:48:31,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11302dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:48:31, skipping insertion in model container [2023-11-06 22:48:31,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:55" (2/3) ... [2023-11-06 22:48:31,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11302dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:48:31, skipping insertion in model container [2023-11-06 22:48:31,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:48:31" (3/3) ... [2023-11-06 22:48:31,249 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2023-11-06 22:48:31,364 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:48:31,373 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:48:31,518 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:48:31,525 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=LoopsAndPotentialCycles, 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;@5ece66c1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:48:31,526 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:48:31,546 INFO L276 IsEmpty]: Start isEmpty. Operand has 3682 states, 2858 states have (on average 1.4972008397480756) internal successors, (4279), 2925 states have internal predecessors, (4279), 733 states have call successors, (733), 99 states have call predecessors, (733), 99 states have return successors, (733), 715 states have call predecessors, (733), 733 states have call successors, (733) [2023-11-06 22:48:31,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-06 22:48:31,556 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:48:31,556 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:48:31,557 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:48:31,562 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:48:31,563 INFO L85 PathProgramCache]: Analyzing trace with hash -963967238, now seen corresponding path program 1 times [2023-11-06 22:48:31,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:48:31,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72025464] [2023-11-06 22:48:31,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:48:31,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:48:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:48:32,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:48:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:48:32,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:48:32,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:48:32,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:48:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:48:32,454 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:48:32,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:48:32,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72025464] [2023-11-06 22:48:32,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72025464] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:48:32,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:48:32,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:48:32,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710890260] [2023-11-06 22:48:32,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:48:32,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:48:32,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:48:32,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:48:32,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:48:32,529 INFO L87 Difference]: Start difference. First operand has 3682 states, 2858 states have (on average 1.4972008397480756) internal successors, (4279), 2925 states have internal predecessors, (4279), 733 states have call successors, (733), 99 states have call predecessors, (733), 99 states have return successors, (733), 715 states have call predecessors, (733), 733 states have call successors, (733) Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:48:40,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:48:51,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:48:51,384 INFO L93 Difference]: Finished difference Result 11079 states and 17550 transitions. [2023-11-06 22:48:51,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:48:51,387 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2023-11-06 22:48:51,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:48:51,501 INFO L225 Difference]: With dead ends: 11079 [2023-11-06 22:48:51,502 INFO L226 Difference]: Without dead ends: 7416 [2023-11-06 22:48:51,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:48:51,550 INFO L413 NwaCegarLoop]: 4853 mSDtfsCounter, 8002 mSDsluCounter, 5759 mSDsCounter, 0 mSdLazyCounter, 6796 mSolverCounterSat, 1638 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8730 SdHoareTripleChecker+Valid, 10612 SdHoareTripleChecker+Invalid, 8434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1638 IncrementalHoareTripleChecker+Valid, 6796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:48:51,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8730 Valid, 10612 Invalid, 8434 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1638 Valid, 6796 Invalid, 0 Unknown, 0 Unchecked, 17.8s Time] [2023-11-06 22:48:51,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7416 states. [2023-11-06 22:48:52,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7416 to 7285. [2023-11-06 22:48:52,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7285 states, 5634 states have (on average 1.4515441959531417) internal successors, (8178), 5783 states have internal predecessors, (8178), 1454 states have call successors, (1454), 197 states have call predecessors, (1454), 196 states have return successors, (1452), 1416 states have call predecessors, (1452), 1452 states have call successors, (1452) [2023-11-06 22:48:52,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7285 states to 7285 states and 11084 transitions. [2023-11-06 22:48:52,271 INFO L78 Accepts]: Start accepts. Automaton has 7285 states and 11084 transitions. Word has length 27 [2023-11-06 22:48:52,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:48:52,273 INFO L495 AbstractCegarLoop]: Abstraction has 7285 states and 11084 transitions. [2023-11-06 22:48:52,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:48:52,274 INFO L276 IsEmpty]: Start isEmpty. Operand 7285 states and 11084 transitions. [2023-11-06 22:48:52,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-06 22:48:52,299 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:48:52,299 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:48:52,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:48:52,300 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:48:52,301 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:48:52,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1669998492, now seen corresponding path program 1 times [2023-11-06 22:48:52,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:48:52,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843194097] [2023-11-06 22:48:52,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:48:52,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:48:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:48:52,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:48:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:48:52,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:48:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:48:52,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:48:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:48:52,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-06 22:48:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:48:52,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 22:48:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:48:52,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 22:48:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:48:52,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:48:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:48:52,967 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-06 22:48:52,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:48:52,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843194097] [2023-11-06 22:48:52,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843194097] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:48:52,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:48:52,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:48:52,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691913543] [2023-11-06 22:48:52,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:48:52,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:48:52,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:48:52,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:48:52,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:48:52,979 INFO L87 Difference]: Start difference. First operand 7285 states and 11084 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-06 22:48:55,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:49:03,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:49:05,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:49:08,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:49:11,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:49:15,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:49:19,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:49:22,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:49:25,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:49:27,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:49:29,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:49:33,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:49:33,404 INFO L93 Difference]: Finished difference Result 14822 states and 22621 transitions. [2023-11-06 22:49:33,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:49:33,405 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 69 [2023-11-06 22:49:33,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:49:33,473 INFO L225 Difference]: With dead ends: 14822 [2023-11-06 22:49:33,474 INFO L226 Difference]: Without dead ends: 7649 [2023-11-06 22:49:33,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:49:33,510 INFO L413 NwaCegarLoop]: 3301 mSDtfsCounter, 3297 mSDsluCounter, 9421 mSDsCounter, 0 mSdLazyCounter, 10377 mSolverCounterSat, 1772 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3437 SdHoareTripleChecker+Valid, 12722 SdHoareTripleChecker+Invalid, 12159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1772 IncrementalHoareTripleChecker+Valid, 10377 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:49:33,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3437 Valid, 12722 Invalid, 12159 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1772 Valid, 10377 Invalid, 10 Unknown, 0 Unchecked, 39.6s Time] [2023-11-06 22:49:33,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7649 states. [2023-11-06 22:49:33,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7649 to 7283. [2023-11-06 22:49:33,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7283 states, 5633 states have (on average 1.4514468311734423) internal successors, (8176), 5782 states have internal predecessors, (8176), 1453 states have call successors, (1453), 197 states have call predecessors, (1453), 196 states have return successors, (1451), 1415 states have call predecessors, (1451), 1451 states have call successors, (1451) [2023-11-06 22:49:34,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7283 states to 7283 states and 11080 transitions. [2023-11-06 22:49:34,008 INFO L78 Accepts]: Start accepts. Automaton has 7283 states and 11080 transitions. Word has length 69 [2023-11-06 22:49:34,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:49:34,009 INFO L495 AbstractCegarLoop]: Abstraction has 7283 states and 11080 transitions. [2023-11-06 22:49:34,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-06 22:49:34,010 INFO L276 IsEmpty]: Start isEmpty. Operand 7283 states and 11080 transitions. [2023-11-06 22:49:34,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-06 22:49:34,021 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:49:34,021 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:49:34,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:49:34,022 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:49:34,022 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:34,023 INFO L85 PathProgramCache]: Analyzing trace with hash 984014332, now seen corresponding path program 1 times [2023-11-06 22:49:34,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:34,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750167103] [2023-11-06 22:49:34,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:34,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:35,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:49:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:35,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:49:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:35,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:49:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:35,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-06 22:49:35,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:35,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:49:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:35,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-06 22:49:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:35,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:49:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:35,286 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-06 22:49:35,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:49:35,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750167103] [2023-11-06 22:49:35,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750167103] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:49:35,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:49:35,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:49:35,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783995933] [2023-11-06 22:49:35,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:49:35,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:49:35,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:49:35,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:49:35,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:49:35,290 INFO L87 Difference]: Start difference. First operand 7283 states and 11080 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-06 22:49:37,429 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 [] [2023-11-06 22:49:45,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:49:46,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:49:47,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:49:50,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:49:59,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:50:01,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:50:03,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:50:06,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:50:10,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:50:12,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:50:14,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:50:17,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:50:22,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:50:22,448 INFO L93 Difference]: Finished difference Result 12696 states and 19541 transitions. [2023-11-06 22:50:22,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:50:22,453 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 76 [2023-11-06 22:50:22,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:50:22,527 INFO L225 Difference]: With dead ends: 12696 [2023-11-06 22:50:22,527 INFO L226 Difference]: Without dead ends: 9065 [2023-11-06 22:50:22,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:50:22,548 INFO L413 NwaCegarLoop]: 4406 mSDtfsCounter, 6558 mSDsluCounter, 14953 mSDsCounter, 0 mSdLazyCounter, 13732 mSolverCounterSat, 2893 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6698 SdHoareTripleChecker+Valid, 19359 SdHoareTripleChecker+Invalid, 16635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2893 IncrementalHoareTripleChecker+Valid, 13732 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:50:22,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6698 Valid, 19359 Invalid, 16635 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2893 Valid, 13732 Invalid, 10 Unknown, 0 Unchecked, 46.3s Time] [2023-11-06 22:50:22,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9065 states. [2023-11-06 22:50:23,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9065 to 7286. [2023-11-06 22:50:23,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7286 states, 5636 states have (on average 1.451206529453513) internal successors, (8179), 5785 states have internal predecessors, (8179), 1453 states have call successors, (1453), 197 states have call predecessors, (1453), 196 states have return successors, (1451), 1415 states have call predecessors, (1451), 1451 states have call successors, (1451) [2023-11-06 22:50:23,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7286 states to 7286 states and 11083 transitions. [2023-11-06 22:50:23,147 INFO L78 Accepts]: Start accepts. Automaton has 7286 states and 11083 transitions. Word has length 76 [2023-11-06 22:50:23,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:50:23,150 INFO L495 AbstractCegarLoop]: Abstraction has 7286 states and 11083 transitions. [2023-11-06 22:50:23,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-06 22:50:23,150 INFO L276 IsEmpty]: Start isEmpty. Operand 7286 states and 11083 transitions. [2023-11-06 22:50:23,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-06 22:50:23,159 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:50:23,160 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:50:23,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:50:23,160 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:50:23,161 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:50:23,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1788832853, now seen corresponding path program 1 times [2023-11-06 22:50:23,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:50:23,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870937889] [2023-11-06 22:50:23,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:50:23,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:50:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:50:23,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:50:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:50:23,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:50:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:50:23,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:50:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:50:23,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-06 22:50:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:50:23,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 22:50:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:50:23,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 22:50:23,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:50:23,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:50:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:50:23,789 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-06 22:50:23,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:50:23,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870937889] [2023-11-06 22:50:23,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870937889] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:50:23,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:50:23,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:50:23,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361513756] [2023-11-06 22:50:23,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:50:23,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:50:23,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:50:23,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:50:23,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:50:23,793 INFO L87 Difference]: Start difference. First operand 7286 states and 11083 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-06 22:50:25,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:50:27,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:50:38,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:50:42,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:50:44,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:50:50,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:50:54,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:50:57,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:51:01,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:51:04,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:51:08,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:51:11,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:51:15,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:51:17,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:51:20,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:51:22,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:51:25,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:51:27,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:51:30,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:51:32,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []