./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_a5234da0-e20b-499f-b24b-cf1bbf2a10aa/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5234da0-e20b-499f-b24b-cf1bbf2a10aa/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5234da0-e20b-499f-b24b-cf1bbf2a10aa/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5234da0-e20b-499f-b24b-cf1bbf2a10aa/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5234da0-e20b-499f-b24b-cf1bbf2a10aa/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5234da0-e20b-499f-b24b-cf1bbf2a10aa/bin/utaipan-verify-mE87zJ7Ire --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 5280d555a6b852b15aa6f2a52d5ff0e2fc9cc40b4793f53953ed35d69afcf0b0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:17:13,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:17:13,499 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5234da0-e20b-499f-b24b-cf1bbf2a10aa/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:17:13,508 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:17:13,509 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:17:13,552 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:17:13,553 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:17:13,554 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:17:13,555 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:17:13,561 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:17:13,561 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:17:13,562 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:17:13,563 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:17:13,565 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:17:13,565 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:17:13,566 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:17:13,566 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:17:13,567 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:17:13,567 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:17:13,568 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:17:13,568 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:17:13,569 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:17:13,570 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:17:13,571 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:17:13,571 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:17:13,572 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:17:13,572 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:17:13,573 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:17:13,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:17:13,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:17:13,574 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:17:13,575 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:17:13,575 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:17:13,575 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:17:13,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:17:13,576 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:17:13,576 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:17:13,577 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:17:13,577 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:17:13,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:17:13,578 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:17:13,578 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:17:13,578 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:17:13,579 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:17:13,579 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_a5234da0-e20b-499f-b24b-cf1bbf2a10aa/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5234da0-e20b-499f-b24b-cf1bbf2a10aa/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5280d555a6b852b15aa6f2a52d5ff0e2fc9cc40b4793f53953ed35d69afcf0b0 [2023-11-23 21:17:13,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:17:13,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:17:13,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:17:13,864 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:17:13,864 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:17:13,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5234da0-e20b-499f-b24b-cf1bbf2a10aa/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i [2023-11-23 21:17:16,980 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:17:17,738 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:17:17,738 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5234da0-e20b-499f-b24b-cf1bbf2a10aa/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i [2023-11-23 21:17:17,803 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5234da0-e20b-499f-b24b-cf1bbf2a10aa/bin/utaipan-verify-mE87zJ7Ire/data/cbe5d2d0e/1759d660d1d7425ab9cbfc76d256fc8d/FLAG814ab89c7 [2023-11-23 21:17:17,824 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5234da0-e20b-499f-b24b-cf1bbf2a10aa/bin/utaipan-verify-mE87zJ7Ire/data/cbe5d2d0e/1759d660d1d7425ab9cbfc76d256fc8d [2023-11-23 21:17:17,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:17:17,831 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:17:17,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:17:17,835 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:17:17,841 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:17:17,842 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:17:17" (1/1) ... [2023-11-23 21:17:17,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60901679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:17, skipping insertion in model container [2023-11-23 21:17:17,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:17:17" (1/1) ... [2023-11-23 21:17:18,082 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:17:21,937 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_a5234da0-e20b-499f-b24b-cf1bbf2a10aa/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i[401063,401076] [2023-11-23 21:17:22,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:17:22,094 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:17:22,309 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; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [6695-6696] [2023-11-23 21:17:22,311 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; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [6704-6705] [2023-11-23 21:17:22,311 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; cmpxchgb %2,%1": "=a" (__ret), "+m" (*__ptr): "q" (__new), "0" (__old): "memory"); [6724-6725] [2023-11-23 21:17:22,312 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; cmpxchgw %2,%1": "=a" (__ret), "+m" (*__ptr___0): "r" (__new), "0" (__old): "memory"); [6729-6730] [2023-11-23 21:17:22,312 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; cmpxchgl %2,%1": "=a" (__ret), "+m" (*__ptr___1): "r" (__new), "0" (__old): "memory"); [6734-6735] [2023-11-23 21:17:22,313 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; cmpxchgq %2,%1": "=a" (__ret), "+m" (*__ptr___2): "r" (__new), "0" (__old): "memory"); [6739-6740] [2023-11-23 21:17:22,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [7739] [2023-11-23 21:17:22,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [7746] [2023-11-23 21:17:22,497 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 *)"./arch/x86/include/asm/paravirt.h"), "i" (831), "i" (12UL)); [10218-10219] [2023-11-23 21:17:22,497 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" (43UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [10224-10226] [2023-11-23 21:17:22,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [10278] [2023-11-23 21:17:22,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [10281] [2023-11-23 21:17:22,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [10284] [2023-11-23 21:17:22,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [10287] [2023-11-23 21:17:22,504 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [10407] [2023-11-23 21:17:22,504 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [10410] [2023-11-23 21:17:22,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [10413] [2023-11-23 21:17:22,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [10416] [2023-11-23 21:17:22,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [10427] [2023-11-23 21:17:22,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [10430] [2023-11-23 21:17:22,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [10433] [2023-11-23 21:17:22,507 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [10436] [2023-11-23 21:17:22,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [10447] [2023-11-23 21:17:22,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [10450] [2023-11-23 21:17:22,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [10453] [2023-11-23 21:17:22,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [10456] [2023-11-23 21:17:22,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [10467] [2023-11-23 21:17:22,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [10470] [2023-11-23 21:17:22,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [10473] [2023-11-23 21:17:22,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [10476] [2023-11-23 21:17:22,710 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_a5234da0-e20b-499f-b24b-cf1bbf2a10aa/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i[401063,401076] [2023-11-23 21:17:22,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:17:23,138 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:17:23,138 WARN L675 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:17:23,138 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:17:23,147 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:17:23,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:23 WrapperNode [2023-11-23 21:17:23,148 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:17:23,149 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:17:23,149 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:17:23,150 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:17:23,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:23" (1/1) ... [2023-11-23 21:17:23,358 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:23" (1/1) ... [2023-11-23 21:17:23,818 INFO L138 Inliner]: procedures = 481, calls = 4436, calls flagged for inlining = 315, calls inlined = 310, statements flattened = 13784 [2023-11-23 21:17:23,819 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:17:23,819 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:17:23,820 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:17:23,820 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:17:23,830 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:23" (1/1) ... [2023-11-23 21:17:23,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:23" (1/1) ... [2023-11-23 21:17:23,918 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:23" (1/1) ... [2023-11-23 21:17:23,919 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:23" (1/1) ... [2023-11-23 21:17:24,334 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:23" (1/1) ... [2023-11-23 21:17:24,402 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:23" (1/1) ... [2023-11-23 21:17:24,452 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:23" (1/1) ... [2023-11-23 21:17:24,494 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:23" (1/1) ... [2023-11-23 21:17:24,568 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:17:24,570 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:17:24,571 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:17:24,571 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:17:24,572 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:23" (1/1) ... [2023-11-23 21:17:24,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:17:24,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5234da0-e20b-499f-b24b-cf1bbf2a10aa/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:17:24,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5234da0-e20b-499f-b24b-cf1bbf2a10aa/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:17:24,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5234da0-e20b-499f-b24b-cf1bbf2a10aa/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:17:24,647 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_ref [2023-11-23 21:17:24,648 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_ref [2023-11-23 21:17:24,648 INFO L130 BoogieDeclarations]: Found specification of procedure wait_nack [2023-11-23 21:17:24,648 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_nack [2023-11-23 21:17:24,649 INFO L130 BoogieDeclarations]: Found specification of procedure wait_ack [2023-11-23 21:17:24,649 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_ack [2023-11-23 21:17:24,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:17:24,650 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:17:24,650 INFO L130 BoogieDeclarations]: Found specification of procedure clear_cmd_trigger [2023-11-23 21:17:24,650 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_cmd_trigger [2023-11-23 21:17:24,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:17:24,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:17:24,651 INFO L130 BoogieDeclarations]: Found specification of procedure ast_init_dvo [2023-11-23 21:17:24,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_init_dvo [2023-11-23 21:17:24,651 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_freeze [2023-11-23 21:17:24,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_freeze [2023-11-23 21:17:24,651 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_probe_single_connector_modes [2023-11-23 21:17:24,651 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_probe_single_connector_modes [2023-11-23 21:17:24,652 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2023-11-23 21:17:24,652 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2023-11-23 21:17:24,652 INFO L130 BoogieDeclarations]: Found specification of procedure drm_err [2023-11-23 21:17:24,652 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_err [2023-11-23 21:17:24,652 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:17:24,652 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:17:24,653 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_dpms [2023-11-23 21:17:24,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_dpms [2023-11-23 21:17:24,653 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_dp501_video_output [2023-11-23 21:17:24,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_dp501_video_output [2023-11-23 21:17:24,654 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_pin [2023-11-23 21:17:24,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_pin [2023-11-23 21:17:24,655 INFO L130 BoogieDeclarations]: Found specification of procedure ast_read32 [2023-11-23 21:17:24,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_read32 [2023-11-23 21:17:24,655 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 21:17:24,656 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 21:17:24,656 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-11-23 21:17:24,656 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-11-23 21:17:24,656 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:17:24,656 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:17:24,656 INFO L130 BoogieDeclarations]: Found specification of procedure cbr_dll2 [2023-11-23 21:17:24,656 INFO L138 BoogieDeclarations]: Found implementation of procedure cbr_dll2 [2023-11-23 21:17:24,657 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_fixup [2023-11-23 21:17:24,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_fixup [2023-11-23 21:17:24,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:17:24,657 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_thaw [2023-11-23 21:17:24,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_thaw [2023-11-23 21:17:24,658 INFO L130 BoogieDeclarations]: Found specification of procedure ast_dirty_update [2023-11-23 21:17:24,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_dirty_update [2023-11-23 21:17:24,658 INFO L130 BoogieDeclarations]: Found specification of procedure ast_enable_vga [2023-11-23 21:17:24,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_enable_vga [2023-11-23 21:17:24,658 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:17:24,659 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:17:24,659 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg_mask [2023-11-23 21:17:24,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg_mask [2023-11-23 21:17:24,660 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fb_helper_fini [2023-11-23 21:17:24,660 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fb_helper_fini [2023-11-23 21:17:24,660 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2023-11-23 21:17:24,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2023-11-23 21:17:24,660 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_placement [2023-11-23 21:17:24,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_placement [2023-11-23 21:17:24,661 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_load_lut [2023-11-23 21:17:24,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_load_lut [2023-11-23 21:17:24,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:17:24,662 INFO L130 BoogieDeclarations]: Found specification of procedure ast_mindwm [2023-11-23 21:17:24,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_mindwm [2023-11-23 21:17:24,662 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2023-11-23 21:17:24,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2023-11-23 21:17:24,662 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2023-11-23 21:17:24,662 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2023-11-23 21:17:24,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:17:24,663 INFO L130 BoogieDeclarations]: Found specification of procedure ast_user_framebuffer_destroy [2023-11-23 21:17:24,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_user_framebuffer_destroy [2023-11-23 21:17:24,663 INFO L130 BoogieDeclarations]: Found specification of procedure send_ack [2023-11-23 21:17:24,663 INFO L138 BoogieDeclarations]: Found implementation of procedure send_ack [2023-11-23 21:17:24,663 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_disable [2023-11-23 21:17:24,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_disable [2023-11-23 21:17:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:17:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_set_base [2023-11-23 21:17:24,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_set_base [2023-11-23 21:17:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-23 21:17:24,665 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-23 21:17:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_base [2023-11-23 21:17:24,665 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_base [2023-11-23 21:17:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_read8 [2023-11-23 21:17:24,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_read8 [2023-11-23 21:17:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 21:17:24,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 21:17:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:17:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure ast_post_gpu [2023-11-23 21:17:24,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_post_gpu [2023-11-23 21:17:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:17:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_gamma_set [2023-11-23 21:17:24,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_gamma_set [2023-11-23 21:17:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:17:24,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:17:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure ast_fbdev_set_suspend [2023-11-23 21:17:24,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_fbdev_set_suspend [2023-11-23 21:17:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:17:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:17:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:17:24,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:17:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure ast_framebuffer_init [2023-11-23 21:17:24,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_framebuffer_init [2023-11-23 21:17:24,671 INFO L130 BoogieDeclarations]: Found specification of procedure ast_cursor_set [2023-11-23 21:17:24,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_cursor_set [2023-11-23 21:17:24,671 INFO L130 BoogieDeclarations]: Found specification of procedure ast_open_key [2023-11-23 21:17:24,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_open_key [2023-11-23 21:17:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2023-11-23 21:17:24,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2023-11-23 21:17:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_burst2 [2023-11-23 21:17:24,672 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_burst2 [2023-11-23 21:17:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:17:24,673 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:17:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_unreserve [2023-11-23 21:17:24,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_unreserve [2023-11-23 21:17:24,675 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-23 21:17:24,677 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-23 21:17:24,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:17:24,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:17:24,678 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2023-11-23 21:17:24,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:17:24,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:17:24,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:17:24,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:17:24,681 INFO L130 BoogieDeclarations]: Found specification of procedure send_nack [2023-11-23 21:17:24,687 INFO L138 BoogieDeclarations]: Found implementation of procedure send_nack [2023-11-23 21:17:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure ast_enable_mmio [2023-11-23 21:17:24,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_enable_mmio [2023-11-23 21:17:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure ast_connector_detect [2023-11-23 21:17:24,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_connector_detect [2023-11-23 21:17:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-23 21:17:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_prepare [2023-11-23 21:17:24,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_prepare [2023-11-23 21:17:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure ast_get_index_reg_mask [2023-11-23 21:17:24,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_get_index_reg_mask [2023-11-23 21:17:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_create [2023-11-23 21:17:24,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_create [2023-11-23 21:17:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_prepare [2023-11-23 21:17:24,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_prepare [2023-11-23 21:17:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:17:24,690 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:17:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:17:24,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:17:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_reserve [2023-11-23 21:17:24,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_reserve [2023-11-23 21:17:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-23 21:17:24,691 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-23 21:17:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:17:24,691 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:17:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked [2023-11-23 21:17:24,691 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked [2023-11-23 21:17:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure ast_mmap [2023-11-23 21:17:24,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_mmap [2023-11-23 21:17:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-23 21:17:24,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-23 21:17:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:17:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_free [2023-11-23 21:17:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2023-11-23 21:17:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:17:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure ast_connector_destroy [2023-11-23 21:17:24,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_connector_destroy [2023-11-23 21:17:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_commit [2023-11-23 21:17:24,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_commit [2023-11-23 21:17:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:17:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure drm_ut_debug_printk [2023-11-23 21:17:24,694 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_ut_debug_printk [2023-11-23 21:17:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:17:24,694 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:17:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_resume [2023-11-23 21:17:24,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_resume [2023-11-23 21:17:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:17:24,695 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:17:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-23 21:17:24,695 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-23 21:17:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_write8 [2023-11-23 21:17:24,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_write8 [2023-11-23 21:17:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_kmap_obj_virtual [2023-11-23 21:17:24,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_kmap_obj_virtual [2023-11-23 21:17:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_destroy [2023-11-23 21:17:24,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_destroy [2023-11-23 21:17:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_gpu_offset [2023-11-23 21:17:24,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_gpu_offset [2023-11-23 21:17:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure ast_write32 [2023-11-23 21:17:24,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_write32 [2023-11-23 21:17:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_reset [2023-11-23 21:17:24,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_reset [2023-11-23 21:17:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_free_object [2023-11-23 21:17:24,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_free_object [2023-11-23 21:17:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked___0 [2023-11-23 21:17:24,697 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked___0 [2023-11-23 21:17:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put_mutex [2023-11-23 21:17:24,698 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put_mutex [2023-11-23 21:17:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_backend_destroy [2023-11-23 21:17:24,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_backend_destroy [2023-11-23 21:17:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pci_remove [2023-11-23 21:17:24,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pci_remove [2023-11-23 21:17:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_connector_dpms [2023-11-23 21:17:24,699 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_connector_dpms [2023-11-23 21:17:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_set [2023-11-23 21:17:24,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_set [2023-11-23 21:17:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_single2 [2023-11-23 21:17:24,699 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_single2 [2023-11-23 21:17:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo [2023-11-23 21:17:24,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo [2023-11-23 21:17:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_cmpxchg [2023-11-23 21:17:24,700 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_cmpxchg [2023-11-23 21:17:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:17:24,700 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:17:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:17:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure ast_moutdwm [2023-11-23 21:17:24,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_moutdwm [2023-11-23 21:17:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg [2023-11-23 21:17:24,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg [2023-11-23 21:17:24,701 INFO L130 BoogieDeclarations]: Found specification of procedure cbrdlli_ast2150 [2023-11-23 21:17:24,701 INFO L138 BoogieDeclarations]: Found implementation of procedure cbrdlli_ast2150 [2023-11-23 21:17:24,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:17:24,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:17:24,701 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2023-11-23 21:17:24,701 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2023-11-23 21:17:24,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 21:17:24,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 21:17:24,702 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_commit [2023-11-23 21:17:24,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_commit [2023-11-23 21:17:24,702 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2023-11-23 21:17:24,702 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2023-11-23 21:17:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure drm_crtc_helper_set_config [2023-11-23 21:17:24,703 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_crtc_helper_set_config [2023-11-23 21:17:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2023-11-23 21:17:24,703 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2023-11-23 21:17:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure ast_cursor_move [2023-11-23 21:17:24,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_cursor_move [2023-11-23 21:17:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2023-11-23 21:17:24,703 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2023-11-23 21:17:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure drm_poll [2023-11-23 21:17:24,704 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_poll [2023-11-23 21:17:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_connector_update_edid_property [2023-11-23 21:17:24,704 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_connector_update_edid_property [2023-11-23 21:17:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-23 21:17:24,704 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-23 21:17:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_tt_unpopulate [2023-11-23 21:17:24,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_tt_unpopulate [2023-11-23 21:17:24,705 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_lookup [2023-11-23 21:17:24,706 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_lookup [2023-11-23 21:17:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_destroy [2023-11-23 21:17:24,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_destroy [2023-11-23 21:17:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:17:26,048 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:17:26,052 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:17:26,393 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:17:45,024 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:17:54,243 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:17:54,243 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 21:17:54,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:54 BoogieIcfgContainer [2023-11-23 21:17:54,247 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:17:54,250 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:17:54,251 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:17:54,254 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:17:54,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:17:17" (1/3) ... [2023-11-23 21:17:54,256 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b0f963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:17:54, skipping insertion in model container [2023-11-23 21:17:54,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:23" (2/3) ... [2023-11-23 21:17:54,256 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b0f963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:17:54, skipping insertion in model container [2023-11-23 21:17:54,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:54" (3/3) ... [2023-11-23 21:17:54,258 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i [2023-11-23 21:17:54,281 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:17:54,282 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:17:54,408 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:17:54,415 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;@675d4fac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:17:54,416 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:17:54,434 INFO L276 IsEmpty]: Start isEmpty. Operand has 2613 states, 1581 states have (on average 1.3959519291587603) internal successors, (2207), 1665 states have internal predecessors, (2207), 919 states have call successors, (919), 112 states have call predecessors, (919), 111 states have return successors, (901), 877 states have call predecessors, (901), 901 states have call successors, (901) [2023-11-23 21:17:54,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-23 21:17:54,467 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:54,469 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 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] [2023-11-23 21:17:54,469 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:54,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:54,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1335798668, now seen corresponding path program 1 times [2023-11-23 21:17:54,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:54,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685757559] [2023-11-23 21:17:54,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:54,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:56,643 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2023-11-23 21:17:56,643 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:56,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685757559] [2023-11-23 21:17:56,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685757559] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:56,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:17:56,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:17:56,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895084754] [2023-11-23 21:17:56,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:56,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:17:56,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:56,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:17:56,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:17:56,720 INFO L87 Difference]: Start difference. First operand has 2613 states, 1581 states have (on average 1.3959519291587603) internal successors, (2207), 1665 states have internal predecessors, (2207), 919 states have call successors, (919), 112 states have call predecessors, (919), 111 states have return successors, (901), 877 states have call predecessors, (901), 901 states have call successors, (901) Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19)