./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7aea09-53fd-4d33-af9d-9e85a31ff4b3/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7aea09-53fd-4d33-af9d-9e85a31ff4b3/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7aea09-53fd-4d33-af9d-9e85a31ff4b3/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7aea09-53fd-4d33-af9d-9e85a31ff4b3/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7aea09-53fd-4d33-af9d-9e85a31ff4b3/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7aea09-53fd-4d33-af9d-9e85a31ff4b3/bin/utaipan-verify-t7M7D8N6sZ --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 19525e6f83ed492183d9a21eaa90e9685989ff90c55473d8827091d7561f2601 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:17:36,542 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:17:36,690 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7aea09-53fd-4d33-af9d-9e85a31ff4b3/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:17:36,699 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:17:36,700 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:17:36,748 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:17:36,749 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:17:36,750 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:17:36,751 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:17:36,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:17:36,758 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:17:36,760 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:17:36,761 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:17:36,763 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:17:36,763 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:17:36,764 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:17:36,764 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:17:36,765 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:17:36,766 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:17:36,766 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:17:36,767 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:17:36,768 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:17:36,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:17:36,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:17:36,770 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:17:36,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:17:36,771 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:17:36,772 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:17:36,772 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:17:36,773 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:17:36,775 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:17:36,775 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:17:36,775 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:17:36,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:17:36,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:17:36,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:17:36,777 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:17:36,777 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:17:36,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:17:36,778 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:17:36,778 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:17:36,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:17:36,779 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_4b7aea09-53fd-4d33-af9d-9e85a31ff4b3/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7aea09-53fd-4d33-af9d-9e85a31ff4b3/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19525e6f83ed492183d9a21eaa90e9685989ff90c55473d8827091d7561f2601 [2023-11-19 05:17:37,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:17:37,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:17:37,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:17:37,209 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:17:37,210 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:17:37,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7aea09-53fd-4d33-af9d-9e85a31ff4b3/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2023-11-19 05:17:40,590 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:17:41,447 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:17:41,449 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7aea09-53fd-4d33-af9d-9e85a31ff4b3/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2023-11-19 05:17:41,503 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7aea09-53fd-4d33-af9d-9e85a31ff4b3/bin/utaipan-verify-t7M7D8N6sZ/data/7da91c6b4/19ee369fdf81453b8b9af64f9481e797/FLAG81094902f [2023-11-19 05:17:41,521 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7aea09-53fd-4d33-af9d-9e85a31ff4b3/bin/utaipan-verify-t7M7D8N6sZ/data/7da91c6b4/19ee369fdf81453b8b9af64f9481e797 [2023-11-19 05:17:41,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:17:41,526 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:17:41,527 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:17:41,528 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:17:41,534 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:17:41,535 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:17:41" (1/1) ... [2023-11-19 05:17:41,537 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b2d927b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:41, skipping insertion in model container [2023-11-19 05:17:41,537 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:17:41" (1/1) ... [2023-11-19 05:17:41,730 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:17:44,770 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_4b7aea09-53fd-4d33-af9d-9e85a31ff4b3/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i[265597,265610] [2023-11-19 05:17:45,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:17:45,096 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:17:45,252 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 %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3237-3238] [2023-11-19 05:17:45,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3292] [2023-11-19 05:17:45,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3295] [2023-11-19 05:17:45,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3298] [2023-11-19 05:17:45,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3301] [2023-11-19 05:17:45,264 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; addl %1,%0": "+m" (v->counter): "ir" (i)); [3334] [2023-11-19 05:17:45,264 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 %1,%0": "+m" (v->counter): "ir" (i)); [3341] [2023-11-19 05:17:45,265 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): "ir" (i): "memory"); [3348-3349] [2023-11-19 05:17:45,266 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; incl %0": "+m" (v->counter)); [3356] [2023-11-19 05:17:45,266 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": "+m" (v->counter)); [3363] [2023-11-19 05:17:45,267 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"); [3381-3382] [2023-11-19 05:17:45,267 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"); [3386-3387] [2023-11-19 05:17:45,268 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"); [3391-3392] [2023-11-19 05:17:45,268 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"); [3396-3397] [2023-11-19 05:17:45,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [3531] [2023-11-19 05:17:45,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3534] [2023-11-19 05:17:45,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3537] [2023-11-19 05:17:45,274 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3540] [2023-11-19 05:17:45,276 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3577] [2023-11-19 05:17:45,276 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3584] [2023-11-19 05:17:45,277 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3587] [2023-11-19 05:17:45,315 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3791] [2023-11-19 05:17:45,690 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6781] [2023-11-19 05:17:45,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8123] [2023-11-19 05:17:45,842 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_4b7aea09-53fd-4d33-af9d-9e85a31ff4b3/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i[265597,265610] [2023-11-19 05:17:45,866 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:17:46,034 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:17:46,035 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:17:46,035 WARN L675 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:17:46,035 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:17:46,035 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:17:46,044 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:17:46,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:46 WrapperNode [2023-11-19 05:17:46,046 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:17:46,047 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:17:46,048 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:17:46,048 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:17:46,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:46" (1/1) ... [2023-11-19 05:17:46,228 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:46" (1/1) ... [2023-11-19 05:17:46,453 INFO L138 Inliner]: procedures = 389, calls = 2941, calls flagged for inlining = 157, calls inlined = 64, statements flattened = 3358 [2023-11-19 05:17:46,454 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:17:46,455 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:17:46,455 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:17:46,455 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:17:46,466 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:46" (1/1) ... [2023-11-19 05:17:46,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:46" (1/1) ... [2023-11-19 05:17:46,514 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:46" (1/1) ... [2023-11-19 05:17:46,525 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:46" (1/1) ... [2023-11-19 05:17:46,668 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:46" (1/1) ... [2023-11-19 05:17:46,694 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:46" (1/1) ... [2023-11-19 05:17:46,740 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:46" (1/1) ... [2023-11-19 05:17:46,762 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:46" (1/1) ... [2023-11-19 05:17:46,813 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:17:46,814 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:17:46,815 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:17:46,815 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:17:46,816 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:46" (1/1) ... [2023-11-19 05:17:46,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:17:46,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7aea09-53fd-4d33-af9d-9e85a31ff4b3/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:17:46,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7aea09-53fd-4d33-af9d-9e85a31ff4b3/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:17:46,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7aea09-53fd-4d33-af9d-9e85a31ff4b3/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:17:46,899 INFO L130 BoogieDeclarations]: Found specification of procedure smi_stats_proc_open [2023-11-19 05:17:46,900 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_stats_proc_open [2023-11-19 05:17:46,901 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-19 05:17:46,901 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-19 05:17:46,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:17:46,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:17:46,902 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_poll [2023-11-19 05:17:46,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_poll [2023-11-19 05:17:46,902 INFO L130 BoogieDeclarations]: Found specification of procedure format_lan_msg [2023-11-19 05:17:46,902 INFO L138 BoogieDeclarations]: Found implementation of procedure format_lan_msg [2023-11-19 05:17:46,902 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 05:17:46,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 05:17:46,903 INFO L130 BoogieDeclarations]: Found specification of procedure copy_event_into_recv_msg [2023-11-19 05:17:46,903 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_event_into_recv_msg [2023-11-19 05:17:46,903 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_panic_request_and_wait [2023-11-19 05:17:46,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_panic_request_and_wait [2023-11-19 05:17:46,903 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 05:17:46,904 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 05:17:46,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2023-11-19 05:17:46,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2023-11-19 05:17:46,904 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2023-11-19 05:17:46,904 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2023-11-19 05:17:46,904 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2023-11-19 05:17:46,905 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2023-11-19 05:17:46,905 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 05:17:46,905 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 05:17:46,905 INFO L130 BoogieDeclarations]: Found specification of procedure intf_next_seq [2023-11-19 05:17:46,905 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_next_seq [2023-11-19 05:17:46,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:17:46,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2023-11-19 05:17:46,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2023-11-19 05:17:46,906 INFO L130 BoogieDeclarations]: Found specification of procedure PDE [2023-11-19 05:17:46,906 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE [2023-11-19 05:17:46,906 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 05:17:46,907 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 05:17:46,908 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 05:17:46,909 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 05:17:46,909 INFO L130 BoogieDeclarations]: Found specification of procedure i_ipmi_request [2023-11-19 05:17:46,909 INFO L138 BoogieDeclarations]: Found implementation of procedure i_ipmi_request [2023-11-19 05:17:46,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:17:46,909 INFO L130 BoogieDeclarations]: Found specification of procedure free_smi_msg_list [2023-11-19 05:17:46,910 INFO L138 BoogieDeclarations]: Found implementation of procedure free_smi_msg_list [2023-11-19 05:17:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:17:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-19 05:17:46,910 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-19 05:17:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:17:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 05:17:46,912 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 05:17:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure maintenance_mode_update [2023-11-19 05:17:46,912 INFO L138 BoogieDeclarations]: Found implementation of procedure maintenance_mode_update [2023-11-19 05:17:46,913 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 05:17:46,913 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 05:17:46,913 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-19 05:17:46,913 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-19 05:17:46,913 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2023-11-19 05:17:46,913 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2023-11-19 05:17:46,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:17:46,914 INFO L130 BoogieDeclarations]: Found specification of procedure smi_version_proc_open [2023-11-19 05:17:46,914 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_version_proc_open [2023-11-19 05:17:46,915 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-19 05:17:46,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-19 05:17:46,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:17:46,916 INFO L130 BoogieDeclarations]: Found specification of procedure send_channel_info_cmd [2023-11-19 05:17:46,916 INFO L138 BoogieDeclarations]: Found implementation of procedure send_channel_info_cmd [2023-11-19 05:17:46,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:17:46,916 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 05:17:46,916 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:17:46,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:17:46,917 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2023-11-19 05:17:46,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2023-11-19 05:17:46,917 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 05:17:46,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 05:17:46,918 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-19 05:17:46,918 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-19 05:17:46,918 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_recv_msgs [2023-11-19 05:17:46,918 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_recv_msgs [2023-11-19 05:17:46,918 INFO L130 BoogieDeclarations]: Found specification of procedure is_lan_addr [2023-11-19 05:17:46,918 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lan_addr [2023-11-19 05:17:46,919 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 05:17:46,919 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 05:17:46,919 INFO L130 BoogieDeclarations]: Found specification of procedure intf_free [2023-11-19 05:17:46,919 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_free [2023-11-19 05:17:46,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:17:46,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:17:46,920 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2023-11-19 05:17:46,921 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-19 05:17:46,921 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-19 05:17:46,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:17:46,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:17:46,921 INFO L130 BoogieDeclarations]: Found specification of procedure intf_find_seq [2023-11-19 05:17:46,922 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_find_seq [2023-11-19 05:17:46,922 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 05:17:46,923 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 05:17:46,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 05:17:46,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 05:17:46,923 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 05:17:46,923 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 05:17:46,923 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_smi_msg [2023-11-19 05:17:46,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_smi_msg [2023-11-19 05:17:46,924 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-19 05:17:46,924 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-19 05:17:46,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:17:46,925 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 05:17:46,925 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 05:17:46,925 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2023-11-19 05:17:46,925 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2023-11-19 05:17:46,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:17:46,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:17:46,926 INFO L130 BoogieDeclarations]: Found specification of procedure find_cmd_rcvr [2023-11-19 05:17:46,926 INFO L138 BoogieDeclarations]: Found implementation of procedure find_cmd_rcvr [2023-11-19 05:17:46,926 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:17:46,926 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:17:46,927 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 05:17:46,927 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 05:17:46,927 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_init_msghandler [2023-11-19 05:17:46,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_init_msghandler [2023-11-19 05:17:46,928 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 05:17:46,929 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 05:17:46,929 INFO L130 BoogieDeclarations]: Found specification of procedure clean_up_interface_data [2023-11-19 05:17:46,930 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_up_interface_data [2023-11-19 05:17:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_recv_msg [2023-11-19 05:17:46,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_recv_msg [2023-11-19 05:17:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2023-11-19 05:17:46,934 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2023-11-19 05:17:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2023-11-19 05:17:46,935 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2023-11-19 05:17:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2023-11-19 05:17:46,937 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2023-11-19 05:17:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-19 05:17:46,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-19 05:17:46,943 INFO L130 BoogieDeclarations]: Found specification of procedure smi_ipmb_proc_open [2023-11-19 05:17:46,943 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_ipmb_proc_open [2023-11-19 05:17:46,943 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 05:17:46,943 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 05:17:46,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:17:46,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:17:46,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:17:46,944 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_addr [2023-11-19 05:17:46,944 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_addr [2023-11-19 05:17:46,944 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_bcast_addr [2023-11-19 05:17:46,945 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_bcast_addr [2023-11-19 05:17:46,945 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2023-11-19 05:17:46,945 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2023-11-19 05:17:46,945 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-19 05:17:46,945 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-19 05:17:46,945 INFO L130 BoogieDeclarations]: Found specification of procedure format_ipmb_msg [2023-11-19 05:17:46,945 INFO L138 BoogieDeclarations]: Found implementation of procedure format_ipmb_msg [2023-11-19 05:17:46,946 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-19 05:17:46,946 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-19 05:17:46,946 INFO L130 BoogieDeclarations]: Found specification of procedure free_recv_msg_list [2023-11-19 05:17:46,946 INFO L138 BoogieDeclarations]: Found implementation of procedure free_recv_msg_list [2023-11-19 05:17:46,946 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-11-19 05:17:46,946 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-11-19 05:17:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-19 05:17:46,947 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-19 05:17:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-19 05:17:46,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-19 05:17:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure ipmb_checksum [2023-11-19 05:17:46,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmb_checksum [2023-11-19 05:17:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_response [2023-11-19 05:17:46,948 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_response [2023-11-19 05:17:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-19 05:17:46,948 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-19 05:17:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:17:46,949 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2023-11-19 05:17:46,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2023-11-19 05:17:46,949 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-19 05:17:46,949 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-19 05:17:46,949 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-19 05:17:47,651 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:17:47,657 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:17:57,661 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:17:59,012 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:17:59,013 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 05:17:59,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:17:59 BoogieIcfgContainer [2023-11-19 05:17:59,025 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:17:59,027 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:17:59,027 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:17:59,030 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:17:59,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:17:41" (1/3) ... [2023-11-19 05:17:59,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70f7f560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:17:59, skipping insertion in model container [2023-11-19 05:17:59,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:46" (2/3) ... [2023-11-19 05:17:59,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70f7f560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:17:59, skipping insertion in model container [2023-11-19 05:17:59,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:17:59" (3/3) ... [2023-11-19 05:17:59,033 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2023-11-19 05:17:59,052 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:17:59,052 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:17:59,124 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:17:59,131 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;@4add237c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:17:59,131 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:17:59,139 INFO L276 IsEmpty]: Start isEmpty. Operand has 1003 states, 611 states have (on average 1.3600654664484453) internal successors, (831), 661 states have internal predecessors, (831), 315 states have call successors, (315), 75 states have call predecessors, (315), 75 states have return successors, (315), 309 states have call predecessors, (315), 315 states have call successors, (315) [2023-11-19 05:17:59,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 05:17:59,149 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:59,149 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:17:59,150 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:59,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:59,155 INFO L85 PathProgramCache]: Analyzing trace with hash 2053380450, now seen corresponding path program 1 times [2023-11-19 05:17:59,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:17:59,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21811666] [2023-11-19 05:17:59,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:59,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:17:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:18:00,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:18:00,191 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:18:00,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21811666] [2023-11-19 05:18:00,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21811666] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:18:00,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:18:00,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:18:00,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38688970] [2023-11-19 05:18:00,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:18:00,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 05:18:00,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:18:00,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 05:18:00,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-19 05:18:00,243 INFO L87 Difference]: Start difference. First operand has 1003 states, 611 states have (on average 1.3600654664484453) internal successors, (831), 661 states have internal predecessors, (831), 315 states have call successors, (315), 75 states have call predecessors, (315), 75 states have return successors, (315), 309 states have call predecessors, (315), 315 states have call successors, (315) Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:18:11,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:18:11,540 INFO L93 Difference]: Finished difference Result 3884 states and 5786 transitions. [2023-11-19 05:18:11,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 05:18:11,543 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-19 05:18:11,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:18:11,582 INFO L225 Difference]: With dead ends: 3884 [2023-11-19 05:18:11,582 INFO L226 Difference]: Without dead ends: 2880 [2023-11-19 05:18:11,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:18:11,599 INFO L413 NwaCegarLoop]: 1977 mSDtfsCounter, 3310 mSDsluCounter, 3966 mSDsCounter, 0 mSdLazyCounter, 2538 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3337 SdHoareTripleChecker+Valid, 5943 SdHoareTripleChecker+Invalid, 2883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 2538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2023-11-19 05:18:11,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3337 Valid, 5943 Invalid, 2883 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [345 Valid, 2538 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2023-11-19 05:18:11,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2880 states. [2023-11-19 05:18:11,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2880 to 2870. [2023-11-19 05:18:11,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2870 states, 1756 states have (on average 1.3542141230068336) internal successors, (2378), 1882 states have internal predecessors, (2378), 899 states have call successors, (899), 215 states have call predecessors, (899), 214 states have return successors, (889), 871 states have call predecessors, (889), 889 states have call successors, (889) [2023-11-19 05:18:11,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2870 states to 2870 states and 4166 transitions. [2023-11-19 05:18:11,890 INFO L78 Accepts]: Start accepts. Automaton has 2870 states and 4166 transitions. Word has length 14 [2023-11-19 05:18:11,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:18:11,891 INFO L495 AbstractCegarLoop]: Abstraction has 2870 states and 4166 transitions. [2023-11-19 05:18:11,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:18:11,891 INFO L276 IsEmpty]: Start isEmpty. Operand 2870 states and 4166 transitions. [2023-11-19 05:18:11,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 05:18:11,894 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:18:11,894 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] [2023-11-19 05:18:11,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:18:11,895 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:18:11,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:18:11,896 INFO L85 PathProgramCache]: Analyzing trace with hash 577927605, now seen corresponding path program 1 times [2023-11-19 05:18:11,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:18:11,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449898611] [2023-11-19 05:18:11,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:18:11,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:18:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:18:12,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:18:12,276 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:18:12,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449898611] [2023-11-19 05:18:12,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449898611] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:18:12,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:18:12,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:18:12,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430826016] [2023-11-19 05:18:12,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:18:12,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:18:12,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:18:12,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:18:12,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:18:12,282 INFO L87 Difference]: Start difference. First operand 2870 states and 4166 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)