./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclink.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_d1e2acfd-0c54-45dc-8f0f-1ef3afa84253/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e2acfd-0c54-45dc-8f0f-1ef3afa84253/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e2acfd-0c54-45dc-8f0f-1ef3afa84253/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e2acfd-0c54-45dc-8f0f-1ef3afa84253/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclink.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e2acfd-0c54-45dc-8f0f-1ef3afa84253/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e2acfd-0c54-45dc-8f0f-1ef3afa84253/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 51be78885ca7a0fdf86d7aa977405871bdb86d4d67702760ccb1fc038e7f33e2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:48:42,159 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:48:42,250 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e2acfd-0c54-45dc-8f0f-1ef3afa84253/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:48:42,256 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:48:42,257 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:48:42,286 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:48:42,286 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:48:42,287 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:48:42,288 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:48:42,299 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:48:42,300 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:48:42,316 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:48:42,317 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:48:42,319 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:48:42,319 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:48:42,319 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:48:42,320 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:48:42,320 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:48:42,321 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:48:42,321 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:48:42,322 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:48:42,323 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:48:42,324 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:48:42,324 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:48:42,325 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:48:42,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:48:42,326 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:48:42,326 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:48:42,327 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:48:42,327 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:48:42,328 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:48:42,329 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:48:42,329 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:48:42,329 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:48:42,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:48:42,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:48:42,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:48:42,331 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:48:42,331 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:48:42,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:48:42,332 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:48:42,332 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:48:42,332 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:48:42,333 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:48:42,333 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e2acfd-0c54-45dc-8f0f-1ef3afa84253/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e2acfd-0c54-45dc-8f0f-1ef3afa84253/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51be78885ca7a0fdf86d7aa977405871bdb86d4d67702760ccb1fc038e7f33e2 [2023-11-24 23:48:42,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:48:42,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:48:42,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:48:42,656 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:48:42,656 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:48:42,658 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e2acfd-0c54-45dc-8f0f-1ef3afa84253/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclink.ko-main.cil.out.i [2023-11-24 23:48:45,678 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:48:46,610 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:48:46,610 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e2acfd-0c54-45dc-8f0f-1ef3afa84253/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclink.ko-main.cil.out.i [2023-11-24 23:48:46,674 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e2acfd-0c54-45dc-8f0f-1ef3afa84253/bin/utaipan-verify-SwPr7d2a91/data/893f92906/b865fb4f36bb451297563930f31fa6e2/FLAGe71bf317f [2023-11-24 23:48:46,693 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e2acfd-0c54-45dc-8f0f-1ef3afa84253/bin/utaipan-verify-SwPr7d2a91/data/893f92906/b865fb4f36bb451297563930f31fa6e2 [2023-11-24 23:48:46,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:48:46,701 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:48:46,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:48:46,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:48:46,712 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:48:46,714 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:48:46" (1/1) ... [2023-11-24 23:48:46,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e163967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:46, skipping insertion in model container [2023-11-24 23:48:46,716 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:48:46" (1/1) ... [2023-11-24 23:48:46,953 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:48:50,476 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_d1e2acfd-0c54-45dc-8f0f-1ef3afa84253/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclink.ko-main.cil.out.i[420085,420098] [2023-11-24 23:48:50,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:48:50,794 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:48:50,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5195] [2023-11-24 23:48:50,932 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5202] [2023-11-24 23:48:50,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5209-5210] [2023-11-24 23:48:50,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [5223-5224] [2023-11-24 23:48:50,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5253] [2023-11-24 23:48:50,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5256] [2023-11-24 23:48:50,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5259] [2023-11-24 23:48:50,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5262] [2023-11-24 23:48:50,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/inst/current/envs/linux-3.8-rc1/linux-3.8-rc1/arch/x86/include/asm/paravirt.h"), "i" (825), "i" (12UL)); [5294-5295] [2023-11-24 23:48:50,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5300-5302] [2023-11-24 23:48:50,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5430] [2023-11-24 23:48:50,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5437] [2023-11-24 23:48:50,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5444] [2023-11-24 23:48:50,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5451] [2023-11-24 23:48:51,116 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___10->state): : "memory", "cc"); [7940-7941] [2023-11-24 23:48:51,116 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___11->state): : "memory", "cc"); [7945-7946] [2023-11-24 23:48:51,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___12->state): : "memory", "cc"); [7950-7951] [2023-11-24 23:48:51,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___13->state): : "memory", "cc"); [7955-7956] [2023-11-24 23:48:51,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___17->state): : "memory", "cc"); [7981-7982] [2023-11-24 23:48:51,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___18->state): : "memory", "cc"); [7986-7987] [2023-11-24 23:48:51,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___19->state): : "memory", "cc"); [7991-7992] [2023-11-24 23:48:51,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___20->state): : "memory", "cc"); [7996-7997] [2023-11-24 23:48:51,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___1), "+m" (tmp___30->state): : "memory", "cc"); [8068-8069] [2023-11-24 23:48:51,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___1), "+m" (tmp___31->state): : "memory", "cc"); [8073-8074] [2023-11-24 23:48:51,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___1), "+m" (tmp___32->state): : "memory", "cc"); [8078-8079] [2023-11-24 23:48:51,127 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___1), "+m" (tmp___33->state): : "memory", "cc"); [8083-8084] [2023-11-24 23:48:51,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [8108] [2023-11-24 23:48:51,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [8111] [2023-11-24 23:48:51,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [8114] [2023-11-24 23:48:51,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [8117] [2023-11-24 23:48:51,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [8120] [2023-11-24 23:48:51,133 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [8171-8172] [2023-11-24 23:48:51,133 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [8176-8177] [2023-11-24 23:48:51,134 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [8181-8182] [2023-11-24 23:48:51,134 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [8186-8187] [2023-11-24 23:48:51,137 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___8->state): : "memory", "cc"); [8210-8211] [2023-11-24 23:48:51,137 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___9->state): : "memory", "cc"); [8215-8216] [2023-11-24 23:48:51,138 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___10->state): : "memory", "cc"); [8220-8221] [2023-11-24 23:48:51,138 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___11->state): : "memory", "cc"); [8225-8226] [2023-11-24 23:48:51,141 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___1), "+m" (tmp___12->state): : "memory", "cc"); [8251-8252] [2023-11-24 23:48:51,142 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___1), "+m" (tmp___13->state): : "memory", "cc"); [8256-8257] [2023-11-24 23:48:51,142 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___1), "+m" (tmp___14->state): : "memory", "cc"); [8261-8262] [2023-11-24 23:48:51,142 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___1), "+m" (tmp___15->state): : "memory", "cc"); [8266-8267] [2023-11-24 23:48:51,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [8837-8838] [2023-11-24 23:48:51,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [8842-8843] [2023-11-24 23:48:51,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [8847-8848] [2023-11-24 23:48:51,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [8852-8853] [2023-11-24 23:48:51,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___9->state): : "memory", "cc"); [8895-8896] [2023-11-24 23:48:51,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___10->state): : "memory", "cc"); [8900-8901] [2023-11-24 23:48:51,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___11->state): : "memory", "cc"); [8905-8906] [2023-11-24 23:48:51,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___12->state): : "memory", "cc"); [8910-8911] [2023-11-24 23:48:51,473 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e2acfd-0c54-45dc-8f0f-1ef3afa84253/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclink.ko-main.cil.out.i[420085,420098] [2023-11-24 23:48:51,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:48:51,760 WARN L675 CHandler]: The function strcat is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:48:51,760 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:48:51,760 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:48:51,760 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:48:51,761 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:48:51,769 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:48:51,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:51 WrapperNode [2023-11-24 23:48:51,770 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:48:51,772 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:48:51,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:48:51,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:48:51,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:51" (1/1) ... [2023-11-24 23:48:51,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:51" (1/1) ... [2023-11-24 23:48:52,313 INFO L138 Inliner]: procedures = 395, calls = 4232, calls flagged for inlining = 200, calls inlined = 147, statements flattened = 8718 [2023-11-24 23:48:52,314 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:48:52,314 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:48:52,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:48:52,315 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:48:52,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:51" (1/1) ... [2023-11-24 23:48:52,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:51" (1/1) ... [2023-11-24 23:48:52,379 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:51" (1/1) ... [2023-11-24 23:48:52,379 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:51" (1/1) ... [2023-11-24 23:48:52,554 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:51" (1/1) ... [2023-11-24 23:48:52,705 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:51" (1/1) ... [2023-11-24 23:48:52,746 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:51" (1/1) ... [2023-11-24 23:48:52,784 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:51" (1/1) ... [2023-11-24 23:48:52,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:48:52,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:48:52,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:48:52,848 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:48:52,849 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:51" (1/1) ... [2023-11-24 23:48:52,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:48:52,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e2acfd-0c54-45dc-8f0f-1ef3afa84253/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:48:52,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e2acfd-0c54-45dc-8f0f-1ef3afa84253/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:48:52,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e2acfd-0c54-45dc-8f0f-1ef3afa84253/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:48:52,922 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_wait_until_sent [2023-11-24 23:48:52,929 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_wait_until_sent [2023-11-24 23:48:52,929 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-24 23:48:52,929 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-24 23:48:52,929 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-24 23:48:52,930 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_start [2023-11-24 23:48:52,930 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_start [2023-11-24 23:48:52,930 INFO L130 BoogieDeclarations]: Found specification of procedure usc_set_txidle [2023-11-24 23:48:52,930 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_set_txidle [2023-11-24 23:48:52,930 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_ioctl [2023-11-24 23:48:52,931 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_ioctl [2023-11-24 23:48:52,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:48:52,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:48:52,931 INFO L130 BoogieDeclarations]: Found specification of procedure usc_loopback_frame [2023-11-24 23:48:52,931 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_loopback_frame [2023-11-24 23:48:52,932 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2023-11-24 23:48:52,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2023-11-24 23:48:52,932 INFO L130 BoogieDeclarations]: Found specification of procedure usc_start_receiver [2023-11-24 23:48:52,932 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_start_receiver [2023-11-24 23:48:52,932 INFO L130 BoogieDeclarations]: Found specification of procedure usc_set_serial_signals [2023-11-24 23:48:52,933 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_set_serial_signals [2023-11-24 23:48:52,933 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_trace_block [2023-11-24 23:48:52,933 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_trace_block [2023-11-24 23:48:52,933 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-24 23:48:52,933 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-24 23:48:52,933 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-24 23:48:52,934 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-24 23:48:52,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mgsl_ops_disconnect_2 [2023-11-24 23:48:52,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mgsl_ops_disconnect_2 [2023-11-24 23:48:52,934 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2023-11-24 23:48:52,934 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2023-11-24 23:48:52,935 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-24 23:48:52,935 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-24 23:48:52,935 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-24 23:48:52,935 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 23:48:52,935 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2023-11-24 23:48:52,936 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2023-11-24 23:48:52,936 INFO L130 BoogieDeclarations]: Found specification of procedure load_next_tx_holding_buffer [2023-11-24 23:48:52,936 INFO L138 BoogieDeclarations]: Found implementation of procedure load_next_tx_holding_buffer [2023-11-24 23:48:52,936 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-24 23:48:52,936 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-24 23:48:52,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_tty_port [2023-11-24 23:48:52,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_tty_port [2023-11-24 23:48:52,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:48:52,937 INFO L130 BoogieDeclarations]: Found specification of procedure dtr_rts [2023-11-24 23:48:52,937 INFO L138 BoogieDeclarations]: Found implementation of procedure dtr_rts [2023-11-24 23:48:52,937 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-24 23:48:52,938 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-24 23:48:52,938 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-24 23:48:52,938 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-24 23:48:52,938 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-11-24 23:48:52,938 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-11-24 23:48:52,938 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-24 23:48:52,939 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-24 23:48:52,939 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmset [2023-11-24 23:48:52,939 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmset [2023-11-24 23:48:52,939 INFO L130 BoogieDeclarations]: Found specification of procedure usc_OutDmaReg [2023-11-24 23:48:52,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_OutDmaReg [2023-11-24 23:48:52,940 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-24 23:48:52,940 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-24 23:48:52,940 INFO L130 BoogieDeclarations]: Found specification of procedure usc_loopmode_cancel_transmit [2023-11-24 23:48:52,940 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_loopmode_cancel_transmit [2023-11-24 23:48:52,940 INFO L130 BoogieDeclarations]: Found specification of procedure usc_load_txfifo [2023-11-24 23:48:52,940 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_load_txfifo [2023-11-24 23:48:52,941 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-24 23:48:52,941 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-24 23:48:52,941 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_timeout [2023-11-24 23:48:52,941 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_timeout [2023-11-24 23:48:52,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:48:52,942 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-24 23:48:52,942 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-24 23:48:52,942 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-24 23:48:52,942 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-24 23:48:52,942 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-24 23:48:52,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-24 23:48:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:48:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:48:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure usc_reset [2023-11-24 23:48:52,943 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_reset [2023-11-24 23:48:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_free_frame_memory [2023-11-24 23:48:52,944 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_free_frame_memory [2023-11-24 23:48:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure usc_InReg [2023-11-24 23:48:52,944 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_InReg [2023-11-24 23:48:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2023-11-24 23:48:52,944 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2023-11-24 23:48:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure usc_enable_loopback [2023-11-24 23:48:52,945 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_enable_loopback [2023-11-24 23:48:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_load_tx_dma_buffer [2023-11-24 23:48:52,945 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_load_tx_dma_buffer [2023-11-24 23:48:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure usc_DmaCmd [2023-11-24 23:48:52,945 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_DmaCmd [2023-11-24 23:48:52,946 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_flush_buffer [2023-11-24 23:48:52,946 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_flush_buffer [2023-11-24 23:48:52,946 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-24 23:48:52,946 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-24 23:48:52,946 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_raised [2023-11-24 23:48:52,947 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_raised [2023-11-24 23:48:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure usc_RTCmd [2023-11-24 23:48:52,947 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_RTCmd [2023-11-24 23:48:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:48:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure usc_set_sdlc_mode [2023-11-24 23:48:52,948 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_set_sdlc_mode [2023-11-24 23:48:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure usc_stop_receiver [2023-11-24 23:48:52,948 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_stop_receiver [2023-11-24 23:48:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:48:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:48:52,949 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-24 23:48:52,949 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-24 23:48:52,949 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-24 23:48:52,949 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_add_device [2023-11-24 23:48:52,949 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_add_device [2023-11-24 23:48:52,949 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_unthrottle [2023-11-24 23:48:52,950 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_unthrottle [2023-11-24 23:48:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_throttle [2023-11-24 23:48:52,950 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_throttle [2023-11-24 23:48:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure usc_OutReg [2023-11-24 23:48:52,950 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_OutReg [2023-11-24 23:48:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-24 23:48:52,951 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-24 23:48:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmget [2023-11-24 23:48:52,951 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmget [2023-11-24 23:48:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_set_termios [2023-11-24 23:48:52,951 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_set_termios [2023-11-24 23:48:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-24 23:48:52,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-24 23:48:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-24 23:48:52,952 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-24 23:48:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure usc_stop_transmitter [2023-11-24 23:48:52,953 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_stop_transmitter [2023-11-24 23:48:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:48:52,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:48:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2023-11-24 23:48:52,953 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2023-11-24 23:48:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:48:52,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:48:52,954 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_flush_chars [2023-11-24 23:48:52,954 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_flush_chars [2023-11-24 23:48:52,954 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-24 23:48:52,954 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-24 23:48:52,954 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-24 23:48:52,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-24 23:48:52,955 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_send_xchar [2023-11-24 23:48:52,955 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_send_xchar [2023-11-24 23:48:52,955 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_change_params [2023-11-24 23:48:52,955 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_change_params [2023-11-24 23:48:52,955 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-24 23:48:52,955 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-24 23:48:52,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-24 23:48:52,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-24 23:48:52,956 INFO L130 BoogieDeclarations]: Found specification of procedure usc_get_serial_signals [2023-11-24 23:48:52,956 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_get_serial_signals [2023-11-24 23:48:52,956 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_reset_rx_dma_buffers [2023-11-24 23:48:52,957 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_reset_rx_dma_buffers [2023-11-24 23:48:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 23:48:52,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 23:48:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-24 23:48:52,957 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-24 23:48:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure usc_start_transmitter [2023-11-24 23:48:52,958 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_start_transmitter [2023-11-24 23:48:52,958 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-24 23:48:52,958 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-24 23:48:52,958 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2023-11-24 23:48:52,958 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2023-11-24 23:48:52,958 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-24 23:48:52,959 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-24 23:48:52,959 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_paranoia_check [2023-11-24 23:48:52,959 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_paranoia_check [2023-11-24 23:48:52,959 INFO L130 BoogieDeclarations]: Found specification of procedure usc_InDmaReg [2023-11-24 23:48:52,959 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_InDmaReg [2023-11-24 23:48:52,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:48:52,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:48:52,960 INFO L130 BoogieDeclarations]: Found specification of procedure usc_loopmode_active [2023-11-24 23:48:52,960 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_loopmode_active [2023-11-24 23:48:52,960 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_stop [2023-11-24 23:48:52,960 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_stop [2023-11-24 23:48:52,960 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-24 23:48:52,961 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-24 23:48:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:48:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure synclink_remove_one [2023-11-24 23:48:52,961 INFO L138 BoogieDeclarations]: Found implementation of procedure synclink_remove_one [2023-11-24 23:48:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-24 23:48:52,961 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-24 23:48:52,962 INFO L130 BoogieDeclarations]: Found specification of procedure synclink_cleanup [2023-11-24 23:48:52,962 INFO L138 BoogieDeclarations]: Found implementation of procedure synclink_cleanup [2023-11-24 23:48:52,962 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 23:48:52,962 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 23:48:52,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2023-11-24 23:48:52,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2023-11-24 23:48:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-24 23:48:52,963 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-24 23:48:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-24 23:48:52,963 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-24 23:48:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-24 23:48:52,963 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-24 23:48:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2023-11-24 23:48:52,964 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2023-11-24 23:48:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_write_room [2023-11-24 23:48:52,964 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_write_room [2023-11-24 23:48:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_break [2023-11-24 23:48:52,964 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_break [2023-11-24 23:48:52,965 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_allocate_device [2023-11-24 23:48:52,965 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_allocate_device [2023-11-24 23:48:52,965 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2023-11-24 23:48:52,965 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2023-11-24 23:48:52,965 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_install [2023-11-24 23:48:52,965 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_install [2023-11-24 23:48:52,966 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2023-11-24 23:48:52,966 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2023-11-24 23:48:52,966 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_release_resources [2023-11-24 23:48:52,966 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_release_resources [2023-11-24 23:48:52,966 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-24 23:48:52,966 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-24 23:48:52,967 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-24 23:48:52,967 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-24 23:48:52,967 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-24 23:48:52,967 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-24 23:48:52,967 INFO L130 BoogieDeclarations]: Found specification of procedure usc_loopmode_send_done [2023-11-24 23:48:52,967 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_loopmode_send_done [2023-11-24 23:48:52,968 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-24 23:48:52,968 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-24 23:48:52,968 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-24 23:48:52,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-24 23:48:52,968 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-24 23:48:52,969 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-24 23:48:52,969 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_ioctl [2023-11-24 23:48:52,969 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_ioctl [2023-11-24 23:48:52,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_tty_port [2023-11-24 23:48:52,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_tty_port [2023-11-24 23:48:52,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:48:52,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:48:52,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:48:52,970 INFO L130 BoogieDeclarations]: Found specification of procedure msgl_get_icount [2023-11-24 23:48:52,970 INFO L138 BoogieDeclarations]: Found implementation of procedure msgl_get_icount [2023-11-24 23:48:52,970 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_chars_in_buffer [2023-11-24 23:48:52,970 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_chars_in_buffer [2023-11-24 23:48:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-24 23:48:52,971 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-24 23:48:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2023-11-24 23:48:52,971 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2023-11-24 23:48:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-24 23:48:52,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-24 23:48:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_put_char [2023-11-24 23:48:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_put_char [2023-11-24 23:48:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_program_hw [2023-11-24 23:48:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_program_hw [2023-11-24 23:48:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2023-11-24 23:48:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2023-11-24 23:48:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_hangup [2023-11-24 23:48:52,973 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_hangup [2023-11-24 23:48:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-24 23:48:52,973 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-24 23:48:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2023-11-24 23:48:52,973 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2023-11-24 23:48:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-24 23:48:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-24 23:48:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:48:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_alloc_frame_memory [2023-11-24 23:48:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_alloc_frame_memory [2023-11-24 23:48:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-24 23:48:52,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-24 23:48:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-24 23:48:52,975 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-24 23:48:54,078 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:48:54,083 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:49:22,575 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:49:32,535 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:49:32,536 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:49:32,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:49:32 BoogieIcfgContainer [2023-11-24 23:49:32,539 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:49:32,542 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:49:32,542 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:49:32,546 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:49:32,546 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:48:46" (1/3) ... [2023-11-24 23:49:32,547 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3645e14d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:49:32, skipping insertion in model container [2023-11-24 23:49:32,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:51" (2/3) ... [2023-11-24 23:49:32,547 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3645e14d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:49:32, skipping insertion in model container [2023-11-24 23:49:32,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:49:32" (3/3) ... [2023-11-24 23:49:32,549 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--tty--synclink.ko-main.cil.out.i [2023-11-24 23:49:32,571 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:49:32,571 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:49:32,681 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:49:32,688 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6ac9fb2e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:49:32,689 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:49:32,704 INFO L276 IsEmpty]: Start isEmpty. Operand has 2803 states, 1685 states have (on average 1.337685459940653) internal successors, (2254), 1747 states have internal predecessors, (2254), 995 states have call successors, (995), 121 states have call predecessors, (995), 121 states have return successors, (995), 984 states have call predecessors, (995), 995 states have call successors, (995) [2023-11-24 23:49:32,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:49:32,726 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:49:32,727 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:49:32,728 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:49:32,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:49:32,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1389191382, now seen corresponding path program 1 times [2023-11-24 23:49:32,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:49:32,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432402601] [2023-11-24 23:49:32,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:32,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:49:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat