./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 30e01a73 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_92b40f74-c889-4b46-bfff-bdd8d73102d9/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b40f74-c889-4b46-bfff-bdd8d73102d9/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_92b40f74-c889-4b46-bfff-bdd8d73102d9/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b40f74-c889-4b46-bfff-bdd8d73102d9/bin/utaipan-verify-mE87zJ7Ire/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_92b40f74-c889-4b46-bfff-bdd8d73102d9/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_92b40f74-c889-4b46-bfff-bdd8d73102d9/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 19525e6f83ed492183d9a21eaa90e9685989ff90c55473d8827091d7561f2601 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:23:53,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:23:53,681 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b40f74-c889-4b46-bfff-bdd8d73102d9/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:23:53,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:23:53,694 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:23:53,726 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:23:53,727 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:23:53,731 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:23:53,732 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:23:53,732 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:23:53,733 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:23:53,734 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:23:53,736 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:23:53,737 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:23:53,740 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:23:53,741 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:23:53,741 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:23:53,742 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:23:53,749 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:23:53,750 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:23:53,751 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:23:53,752 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:23:53,752 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:23:53,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:23:53,753 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:23:53,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:23:53,754 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:23:53,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:23:53,755 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:23:53,756 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:23:53,756 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:23:53,757 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:23:53,758 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:23:53,758 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:23:53,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:53,759 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:23:53,760 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:23:53,760 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:23:53,761 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:23:53,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:23:53,762 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:23:53,762 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:23:53,763 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:23:53,763 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:23:53,764 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_92b40f74-c889-4b46-bfff-bdd8d73102d9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b40f74-c889-4b46-bfff-bdd8d73102d9/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19525e6f83ed492183d9a21eaa90e9685989ff90c55473d8827091d7561f2601 [2023-11-23 21:23:54,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:23:54,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:23:54,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:23:54,151 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:23:54,152 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:23:54,153 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b40f74-c889-4b46-bfff-bdd8d73102d9/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2023-11-23 21:23:57,582 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:23:58,343 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:23:58,344 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b40f74-c889-4b46-bfff-bdd8d73102d9/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2023-11-23 21:23:58,397 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b40f74-c889-4b46-bfff-bdd8d73102d9/bin/utaipan-verify-mE87zJ7Ire/data/50e614192/189dfc8be6874738959d7c28c8f6ecd1/FLAG12f8a83b8 [2023-11-23 21:23:58,414 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b40f74-c889-4b46-bfff-bdd8d73102d9/bin/utaipan-verify-mE87zJ7Ire/data/50e614192/189dfc8be6874738959d7c28c8f6ecd1 [2023-11-23 21:23:58,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:23:58,419 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:23:58,421 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:58,422 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:23:58,428 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:23:58,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:58" (1/1) ... [2023-11-23 21:23:58,430 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ef47042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:58, skipping insertion in model container [2023-11-23 21:23:58,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:58" (1/1) ... [2023-11-23 21:23:58,586 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:24:01,291 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_92b40f74-c889-4b46-bfff-bdd8d73102d9/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i[265597,265610] [2023-11-23 21:24:01,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:24:01,551 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:24:01,643 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] [2023-11-23 21:24:01,648 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3292] [2023-11-23 21:24:01,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3295] [2023-11-23 21:24:01,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3298] [2023-11-23 21:24:01,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3301] [2023-11-23 21:24:01,652 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] [2023-11-23 21:24:01,653 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] [2023-11-23 21:24:01,653 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] [2023-11-23 21:24:01,654 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] [2023-11-23 21:24:01,655 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] [2023-11-23 21:24:01,656 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] [2023-11-23 21:24:01,657 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] [2023-11-23 21:24:01,657 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] [2023-11-23 21:24:01,658 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] [2023-11-23 21:24:01,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [3531] [2023-11-23 21:24:01,664 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3534] [2023-11-23 21:24:01,664 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3537] [2023-11-23 21:24:01,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3540] [2023-11-23 21:24:01,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3577] [2023-11-23 21:24:01,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3584] [2023-11-23 21:24:01,668 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3587] [2023-11-23 21:24:01,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3791] [2023-11-23 21:24:02,110 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6781] [2023-11-23 21:24:02,238 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8123] [2023-11-23 21:24:02,276 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_92b40f74-c889-4b46-bfff-bdd8d73102d9/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i[265597,265610] [2023-11-23 21:24:02,299 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:24:02,549 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:24:02,550 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:24:02,550 WARN L675 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:24:02,550 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:24:02,551 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:24:02,560 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:24:02,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:02 WrapperNode [2023-11-23 21:24:02,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:24:02,563 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:24:02,564 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:24:02,564 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:24:02,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:02" (1/1) ... [2023-11-23 21:24:02,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:02" (1/1) ... [2023-11-23 21:24:02,867 INFO L138 Inliner]: procedures = 389, calls = 2941, calls flagged for inlining = 157, calls inlined = 64, statements flattened = 3358 [2023-11-23 21:24:02,867 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:24:02,868 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:24:02,868 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:24:02,868 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:24:02,878 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:02" (1/1) ... [2023-11-23 21:24:02,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:02" (1/1) ... [2023-11-23 21:24:02,908 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:02" (1/1) ... [2023-11-23 21:24:02,908 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:02" (1/1) ... [2023-11-23 21:24:03,051 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:02" (1/1) ... [2023-11-23 21:24:03,084 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:02" (1/1) ... [2023-11-23 21:24:03,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:02" (1/1) ... [2023-11-23 21:24:03,134 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:02" (1/1) ... [2023-11-23 21:24:03,168 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:24:03,169 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:24:03,169 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:24:03,170 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:24:03,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:02" (1/1) ... [2023-11-23 21:24:03,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:24:03,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b40f74-c889-4b46-bfff-bdd8d73102d9/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:24:03,214 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b40f74-c889-4b46-bfff-bdd8d73102d9/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:24:03,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b40f74-c889-4b46-bfff-bdd8d73102d9/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:24:03,260 INFO L130 BoogieDeclarations]: Found specification of procedure smi_stats_proc_open [2023-11-23 21:24:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_stats_proc_open [2023-11-23 21:24:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-23 21:24:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-23 21:24:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:24:03,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:24:03,262 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_poll [2023-11-23 21:24:03,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_poll [2023-11-23 21:24:03,262 INFO L130 BoogieDeclarations]: Found specification of procedure format_lan_msg [2023-11-23 21:24:03,262 INFO L138 BoogieDeclarations]: Found implementation of procedure format_lan_msg [2023-11-23 21:24:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-23 21:24:03,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-23 21:24:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure copy_event_into_recv_msg [2023-11-23 21:24:03,263 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_event_into_recv_msg [2023-11-23 21:24:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_panic_request_and_wait [2023-11-23 21:24:03,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_panic_request_and_wait [2023-11-23 21:24:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:24:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:24:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2023-11-23 21:24:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2023-11-23 21:24:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2023-11-23 21:24:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2023-11-23 21:24:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2023-11-23 21:24:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2023-11-23 21:24:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:24:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:24:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure intf_next_seq [2023-11-23 21:24:03,266 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_next_seq [2023-11-23 21:24:03,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:24:03,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2023-11-23 21:24:03,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2023-11-23 21:24:03,266 INFO L130 BoogieDeclarations]: Found specification of procedure PDE [2023-11-23 21:24:03,267 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE [2023-11-23 21:24:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 21:24:03,269 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-23 21:24:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:24:03,269 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:24:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure i_ipmi_request [2023-11-23 21:24:03,269 INFO L138 BoogieDeclarations]: Found implementation of procedure i_ipmi_request [2023-11-23 21:24:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:24:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure free_smi_msg_list [2023-11-23 21:24:03,270 INFO L138 BoogieDeclarations]: Found implementation of procedure free_smi_msg_list [2023-11-23 21:24:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:24:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-23 21:24:03,272 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-23 21:24:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:24:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:24:03,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:24:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure maintenance_mode_update [2023-11-23 21:24:03,272 INFO L138 BoogieDeclarations]: Found implementation of procedure maintenance_mode_update [2023-11-23 21:24:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-23 21:24:03,273 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-23 21:24:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-23 21:24:03,273 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-23 21:24:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2023-11-23 21:24:03,274 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2023-11-23 21:24:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:24:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure smi_version_proc_open [2023-11-23 21:24:03,275 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_version_proc_open [2023-11-23 21:24:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-23 21:24:03,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-23 21:24:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:24:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure send_channel_info_cmd [2023-11-23 21:24:03,276 INFO L138 BoogieDeclarations]: Found implementation of procedure send_channel_info_cmd [2023-11-23 21:24:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:24:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:24:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:24:03,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:24:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2023-11-23 21:24:03,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2023-11-23 21:24:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 21:24:03,278 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-23 21:24:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-23 21:24:03,278 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-23 21:24:03,279 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_recv_msgs [2023-11-23 21:24:03,279 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_recv_msgs [2023-11-23 21:24:03,279 INFO L130 BoogieDeclarations]: Found specification of procedure is_lan_addr [2023-11-23 21:24:03,279 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lan_addr [2023-11-23 21:24:03,279 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:24:03,280 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:24:03,280 INFO L130 BoogieDeclarations]: Found specification of procedure intf_free [2023-11-23 21:24:03,280 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_free [2023-11-23 21:24:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:24:03,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:24:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2023-11-23 21:24:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-23 21:24:03,282 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-23 21:24:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:24:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:24:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure intf_find_seq [2023-11-23 21:24:03,283 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_find_seq [2023-11-23 21:24:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:24:03,283 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:24:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:24:03,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:24:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-23 21:24:03,284 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-23 21:24:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_smi_msg [2023-11-23 21:24:03,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_smi_msg [2023-11-23 21:24:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-23 21:24:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-23 21:24:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:24:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:24:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:24:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2023-11-23 21:24:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2023-11-23 21:24:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:24:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:24:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure find_cmd_rcvr [2023-11-23 21:24:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure find_cmd_rcvr [2023-11-23 21:24:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:24:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:24:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-23 21:24:03,289 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-23 21:24:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_init_msghandler [2023-11-23 21:24:03,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_init_msghandler [2023-11-23 21:24:03,290 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-23 21:24:03,290 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-23 21:24:03,291 INFO L130 BoogieDeclarations]: Found specification of procedure clean_up_interface_data [2023-11-23 21:24:03,295 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_up_interface_data [2023-11-23 21:24:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_recv_msg [2023-11-23 21:24:03,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_recv_msg [2023-11-23 21:24:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2023-11-23 21:24:03,296 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2023-11-23 21:24:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2023-11-23 21:24:03,298 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2023-11-23 21:24:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2023-11-23 21:24:03,299 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2023-11-23 21:24:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-23 21:24:03,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-23 21:24:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure smi_ipmb_proc_open [2023-11-23 21:24:03,304 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_ipmb_proc_open [2023-11-23 21:24:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:24:03,304 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:24:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:24:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:24:03,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:24:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_addr [2023-11-23 21:24:03,305 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_addr [2023-11-23 21:24:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_bcast_addr [2023-11-23 21:24:03,306 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_bcast_addr [2023-11-23 21:24:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2023-11-23 21:24:03,306 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2023-11-23 21:24:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-23 21:24:03,306 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-23 21:24:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure format_ipmb_msg [2023-11-23 21:24:03,306 INFO L138 BoogieDeclarations]: Found implementation of procedure format_ipmb_msg [2023-11-23 21:24:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-23 21:24:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-23 21:24:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure free_recv_msg_list [2023-11-23 21:24:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure free_recv_msg_list [2023-11-23 21:24:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-11-23 21:24:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-11-23 21:24:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-23 21:24:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-23 21:24:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-23 21:24:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-23 21:24:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure ipmb_checksum [2023-11-23 21:24:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmb_checksum [2023-11-23 21:24:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_response [2023-11-23 21:24:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_response [2023-11-23 21:24:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-23 21:24:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-23 21:24:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:24:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2023-11-23 21:24:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2023-11-23 21:24:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-23 21:24:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-23 21:24:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-23 21:24:03,946 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:24:03,950 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:24:13,820 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:24:15,136 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:24:15,137 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:24:15,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:15 BoogieIcfgContainer [2023-11-23 21:24:15,139 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:24:15,143 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:24:15,143 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:24:15,147 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:24:15,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:23:58" (1/3) ... [2023-11-23 21:24:15,148 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2489cde1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:15, skipping insertion in model container [2023-11-23 21:24:15,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:02" (2/3) ... [2023-11-23 21:24:15,149 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2489cde1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:15, skipping insertion in model container [2023-11-23 21:24:15,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:15" (3/3) ... [2023-11-23 21:24:15,150 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2023-11-23 21:24:15,171 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:24:15,171 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:24:15,285 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:24:15,294 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;@41a06a01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:24:15,295 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:24:15,309 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) [2023-11-23 21:24:15,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 21:24:15,325 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:15,326 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:24:15,327 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:24:15,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:15,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1534135726, now seen corresponding path program 1 times [2023-11-23 21:24:15,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:24:15,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140507146] [2023-11-23 21:24:15,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:15,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:24:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:16,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:24:16,050 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:24:16,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140507146] [2023-11-23 21:24:16,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140507146] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:24:16,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:24:16,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:24:16,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137723404] [2023-11-23 21:24:16,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:24:16,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:24:16,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:24:16,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:24:16,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:24:16,092 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 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 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) [2023-11-23 21:24:20,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:24:20,439 INFO L93 Difference]: Finished difference Result 2943 states and 4374 transitions. [2023-11-23 21:24:20,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:24:20,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 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 [2023-11-23 21:24:20,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:24:20,490 INFO L225 Difference]: With dead ends: 2943 [2023-11-23 21:24:20,490 INFO L226 Difference]: Without dead ends: 1939 [2023-11-23 21:24:20,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:24:20,514 INFO L413 NwaCegarLoop]: 1366 mSDtfsCounter, 1386 mSDsluCounter, 1270 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1386 SdHoareTripleChecker+Valid, 2636 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:24:20,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1386 Valid, 2636 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-23 21:24:20,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1939 states. [2023-11-23 21:24:20,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1939 to 1935. [2023-11-23 21:24:20,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1935 states, 1183 states have (on average 1.3541842772612003) internal successors, (1602), 1270 states have internal predecessors, (1602), 607 states have call successors, (607), 145 states have call predecessors, (607), 144 states have return successors, (597), 585 states have call predecessors, (597), 597 states have call successors, (597) [2023-11-23 21:24:20,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1935 states to 1935 states and 2806 transitions. [2023-11-23 21:24:20,789 INFO L78 Accepts]: Start accepts. Automaton has 1935 states and 2806 transitions. Word has length 14 [2023-11-23 21:24:20,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:24:20,790 INFO L495 AbstractCegarLoop]: Abstraction has 1935 states and 2806 transitions. [2023-11-23 21:24:20,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 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) [2023-11-23 21:24:20,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1935 states and 2806 transitions. [2023-11-23 21:24:20,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 21:24:20,794 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:20,794 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] [2023-11-23 21:24:20,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:24:20,795 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:24:20,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:20,796 INFO L85 PathProgramCache]: Analyzing trace with hash -2040976210, now seen corresponding path program 1 times [2023-11-23 21:24:20,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:24:20,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530467251] [2023-11-23 21:24:20,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:20,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:24:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:21,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:24:21,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:24:21,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530467251] [2023-11-23 21:24:21,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530467251] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:24:21,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:24:21,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:24:21,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309797775] [2023-11-23 21:24:21,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:24:21,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:24:21,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:24:21,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:24:21,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:24:21,257 INFO L87 Difference]: Start difference. First operand 1935 states and 2806 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) [2023-11-23 21:24:39,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:40,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:42,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:44,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:46,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []