./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 cf1a7837 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_ec9ee59b-6839-469c-b770-d86c104df0db/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9ee59b-6839-469c-b770-d86c104df0db/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9ee59b-6839-469c-b770-d86c104df0db/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9ee59b-6839-469c-b770-d86c104df0db/bin/utaipan-verify-NcY6lQBIFX/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_ec9ee59b-6839-469c-b770-d86c104df0db/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9ee59b-6839-469c-b770-d86c104df0db/bin/utaipan-verify-NcY6lQBIFX --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-cf1a783 [2023-11-12 00:53:48,357 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:53:48,428 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9ee59b-6839-469c-b770-d86c104df0db/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:53:48,435 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:53:48,435 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:53:48,464 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:53:48,465 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:53:48,466 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:53:48,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:53:48,468 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:53:48,468 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:53:48,469 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:53:48,470 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:53:48,471 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:53:48,471 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:53:48,472 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:53:48,473 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:53:48,473 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:53:48,474 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:53:48,475 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:53:48,475 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:53:48,476 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:53:48,477 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:53:48,477 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:53:48,478 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:53:48,478 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:53:48,479 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:53:48,479 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:53:48,480 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:53:48,480 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:53:48,481 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:53:48,482 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:53:48,482 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:53:48,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:53:48,483 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:53:48,483 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:53:48,484 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:53:48,484 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:53:48,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:53:48,485 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:53:48,485 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:53:48,486 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:53:48,486 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_ec9ee59b-6839-469c-b770-d86c104df0db/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9ee59b-6839-469c-b770-d86c104df0db/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19525e6f83ed492183d9a21eaa90e9685989ff90c55473d8827091d7561f2601 [2023-11-12 00:53:48,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:53:48,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:53:48,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:53:48,831 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:53:48,831 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:53:48,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9ee59b-6839-469c-b770-d86c104df0db/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2023-11-12 00:53:52,013 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:53:52,808 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:53:52,808 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9ee59b-6839-469c-b770-d86c104df0db/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2023-11-12 00:53:52,877 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9ee59b-6839-469c-b770-d86c104df0db/bin/utaipan-verify-NcY6lQBIFX/data/d574d447b/dd653ccdaec0431a8a7003758c6bc542/FLAG147c3f981 [2023-11-12 00:53:52,902 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9ee59b-6839-469c-b770-d86c104df0db/bin/utaipan-verify-NcY6lQBIFX/data/d574d447b/dd653ccdaec0431a8a7003758c6bc542 [2023-11-12 00:53:52,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:53:52,910 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:53:52,914 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:52,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:53:52,922 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:53:52,927 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:52" (1/1) ... [2023-11-12 00:53:52,928 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@389788d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:52, skipping insertion in model container [2023-11-12 00:53:52,929 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:52" (1/1) ... [2023-11-12 00:53:53,127 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:53:55,914 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_ec9ee59b-6839-469c-b770-d86c104df0db/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i[265597,265610] [2023-11-12 00:53:56,244 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:53:56,303 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:53:56,437 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] [2023-11-12 00:53:56,441 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3292] [2023-11-12 00:53:56,441 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3295] [2023-11-12 00:53:56,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3298] [2023-11-12 00:53:56,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3301] [2023-11-12 00:53:56,447 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] [2023-11-12 00:53:56,447 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] [2023-11-12 00:53:56,448 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] [2023-11-12 00:53:56,449 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] [2023-11-12 00:53:56,450 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] [2023-11-12 00:53:56,451 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] [2023-11-12 00:53:56,452 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] [2023-11-12 00:53:56,453 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] [2023-11-12 00:53:56,453 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] [2023-11-12 00:53:56,457 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [3531] [2023-11-12 00:53:56,457 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3534] [2023-11-12 00:53:56,458 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3537] [2023-11-12 00:53:56,458 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3540] [2023-11-12 00:53:56,460 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3577] [2023-11-12 00:53:56,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3584] [2023-11-12 00:53:56,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3587] [2023-11-12 00:53:56,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3791] [2023-11-12 00:53:56,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6781] [2023-11-12 00:53:56,911 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8123] [2023-11-12 00:53:56,946 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_ec9ee59b-6839-469c-b770-d86c104df0db/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i[265597,265610] [2023-11-12 00:53:56,971 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:53:57,184 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:57,184 WARN L672 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:57,185 WARN L672 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:57,185 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:57,185 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:57,194 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:53:57,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:57 WrapperNode [2023-11-12 00:53:57,195 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:57,197 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:53:57,197 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:53:57,197 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:53:57,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:57" (1/1) ... [2023-11-12 00:53:57,358 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:57" (1/1) ... [2023-11-12 00:53:57,537 INFO L138 Inliner]: procedures = 389, calls = 2941, calls flagged for inlining = 157, calls inlined = 64, statements flattened = 3358 [2023-11-12 00:53:57,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:53:57,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:53:57,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:53:57,539 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:53:57,550 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:57" (1/1) ... [2023-11-12 00:53:57,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:57" (1/1) ... [2023-11-12 00:53:57,592 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:57" (1/1) ... [2023-11-12 00:53:57,603 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:57" (1/1) ... [2023-11-12 00:53:57,742 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:57" (1/1) ... [2023-11-12 00:53:57,772 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:57" (1/1) ... [2023-11-12 00:53:57,800 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:57" (1/1) ... [2023-11-12 00:53:57,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:57" (1/1) ... [2023-11-12 00:53:57,848 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:53:57,849 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:53:57,849 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:53:57,849 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:53:57,851 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:57" (1/1) ... [2023-11-12 00:53:57,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:53:57,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9ee59b-6839-469c-b770-d86c104df0db/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:53:57,887 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9ee59b-6839-469c-b770-d86c104df0db/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:53:57,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9ee59b-6839-469c-b770-d86c104df0db/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:53:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure smi_stats_proc_open [2023-11-12 00:53:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_stats_proc_open [2023-11-12 00:53:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-12 00:53:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-12 00:53:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:53:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:53:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_poll [2023-11-12 00:53:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_poll [2023-11-12 00:53:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure format_lan_msg [2023-11-12 00:53:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure format_lan_msg [2023-11-12 00:53:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-12 00:53:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-12 00:53:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure copy_event_into_recv_msg [2023-11-12 00:53:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_event_into_recv_msg [2023-11-12 00:53:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_panic_request_and_wait [2023-11-12 00:53:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_panic_request_and_wait [2023-11-12 00:53:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 00:53:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 00:53:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2023-11-12 00:53:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2023-11-12 00:53:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2023-11-12 00:53:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2023-11-12 00:53:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2023-11-12 00:53:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2023-11-12 00:53:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 00:53:57,949 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 00:53:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure intf_next_seq [2023-11-12 00:53:57,949 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_next_seq [2023-11-12 00:53:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:53:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2023-11-12 00:53:57,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2023-11-12 00:53:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure PDE [2023-11-12 00:53:57,950 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE [2023-11-12 00:53:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-12 00:53:57,951 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-12 00:53:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 00:53:57,953 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 00:53:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure i_ipmi_request [2023-11-12 00:53:57,953 INFO L138 BoogieDeclarations]: Found implementation of procedure i_ipmi_request [2023-11-12 00:53:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:53:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure free_smi_msg_list [2023-11-12 00:53:57,954 INFO L138 BoogieDeclarations]: Found implementation of procedure free_smi_msg_list [2023-11-12 00:53:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:53:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-12 00:53:57,954 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-12 00:53:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:53:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:53:57,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:53:57,956 INFO L130 BoogieDeclarations]: Found specification of procedure maintenance_mode_update [2023-11-12 00:53:57,956 INFO L138 BoogieDeclarations]: Found implementation of procedure maintenance_mode_update [2023-11-12 00:53:57,956 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-12 00:53:57,956 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-12 00:53:57,956 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-12 00:53:57,957 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-12 00:53:57,957 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2023-11-12 00:53:57,957 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2023-11-12 00:53:57,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:53:57,958 INFO L130 BoogieDeclarations]: Found specification of procedure smi_version_proc_open [2023-11-12 00:53:57,958 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_version_proc_open [2023-11-12 00:53:57,959 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-12 00:53:57,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-12 00:53:57,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:53:57,960 INFO L130 BoogieDeclarations]: Found specification of procedure send_channel_info_cmd [2023-11-12 00:53:57,960 INFO L138 BoogieDeclarations]: Found implementation of procedure send_channel_info_cmd [2023-11-12 00:53:57,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:53:57,961 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 00:53:57,961 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:53:57,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:53:57,961 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2023-11-12 00:53:57,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2023-11-12 00:53:57,962 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 00:53:57,962 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 00:53:57,962 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-12 00:53:57,962 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-12 00:53:57,962 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_recv_msgs [2023-11-12 00:53:57,963 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_recv_msgs [2023-11-12 00:53:57,963 INFO L130 BoogieDeclarations]: Found specification of procedure is_lan_addr [2023-11-12 00:53:57,963 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lan_addr [2023-11-12 00:53:57,963 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:53:57,963 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:53:57,964 INFO L130 BoogieDeclarations]: Found specification of procedure intf_free [2023-11-12 00:53:57,964 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_free [2023-11-12 00:53:57,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:53:57,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:53:57,965 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2023-11-12 00:53:57,965 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-12 00:53:57,966 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-12 00:53:57,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:53:57,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:53:57,966 INFO L130 BoogieDeclarations]: Found specification of procedure intf_find_seq [2023-11-12 00:53:57,967 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_find_seq [2023-11-12 00:53:57,968 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 00:53:57,968 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 00:53:57,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 00:53:57,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 00:53:57,968 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-12 00:53:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-12 00:53:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_smi_msg [2023-11-12 00:53:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_smi_msg [2023-11-12 00:53:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-12 00:53:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-12 00:53:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:53:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 00:53:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 00:53:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2023-11-12 00:53:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2023-11-12 00:53:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:53:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:53:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure find_cmd_rcvr [2023-11-12 00:53:57,972 INFO L138 BoogieDeclarations]: Found implementation of procedure find_cmd_rcvr [2023-11-12 00:53:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:53:57,972 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:53:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-12 00:53:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-12 00:53:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_init_msghandler [2023-11-12 00:53:57,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_init_msghandler [2023-11-12 00:53:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-12 00:53:57,975 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-12 00:53:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure clean_up_interface_data [2023-11-12 00:53:58,069 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_up_interface_data [2023-11-12 00:53:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_recv_msg [2023-11-12 00:53:58,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_recv_msg [2023-11-12 00:53:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2023-11-12 00:53:58,069 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2023-11-12 00:53:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2023-11-12 00:53:58,070 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2023-11-12 00:53:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2023-11-12 00:53:58,070 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2023-11-12 00:53:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-12 00:53:58,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-12 00:53:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure smi_ipmb_proc_open [2023-11-12 00:53:58,070 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_ipmb_proc_open [2023-11-12 00:53:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:53:58,070 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:53:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:53:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:53:58,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:53:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_addr [2023-11-12 00:53:58,071 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_addr [2023-11-12 00:53:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_bcast_addr [2023-11-12 00:53:58,071 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_bcast_addr [2023-11-12 00:53:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2023-11-12 00:53:58,071 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2023-11-12 00:53:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-12 00:53:58,071 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-12 00:53:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure format_ipmb_msg [2023-11-12 00:53:58,071 INFO L138 BoogieDeclarations]: Found implementation of procedure format_ipmb_msg [2023-11-12 00:53:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-12 00:53:58,072 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-12 00:53:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure free_recv_msg_list [2023-11-12 00:53:58,072 INFO L138 BoogieDeclarations]: Found implementation of procedure free_recv_msg_list [2023-11-12 00:53:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-11-12 00:53:58,072 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-11-12 00:53:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-12 00:53:58,072 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-12 00:53:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-12 00:53:58,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-12 00:53:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure ipmb_checksum [2023-11-12 00:53:58,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmb_checksum [2023-11-12 00:53:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_response [2023-11-12 00:53:58,073 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_response [2023-11-12 00:53:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-12 00:53:58,073 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-12 00:53:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:53:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2023-11-12 00:53:58,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2023-11-12 00:53:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-12 00:53:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-12 00:53:58,073 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-12 00:53:58,713 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:53:58,719 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:54:07,225 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:54:08,687 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:54:08,687 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:54:08,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:54:08 BoogieIcfgContainer [2023-11-12 00:54:08,693 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:54:08,697 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:54:08,697 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:54:08,701 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:54:08,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:53:52" (1/3) ... [2023-11-12 00:54:08,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@532d166a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:54:08, skipping insertion in model container [2023-11-12 00:54:08,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:57" (2/3) ... [2023-11-12 00:54:08,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@532d166a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:54:08, skipping insertion in model container [2023-11-12 00:54:08,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:54:08" (3/3) ... [2023-11-12 00:54:08,705 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2023-11-12 00:54:08,804 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:54:08,804 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:54:08,905 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:54:08,919 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;@4c50b984, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:54:08,919 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:54:08,934 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) [2023-11-12 00:54:08,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:54:08,944 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:08,945 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:54:08,945 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:54:08,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:08,951 INFO L85 PathProgramCache]: Analyzing trace with hash 2053380450, now seen corresponding path program 1 times [2023-11-12 00:54:08,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:54:08,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872051638] [2023-11-12 00:54:08,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:08,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:54:09,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:09,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:54:09,934 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:54:09,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872051638] [2023-11-12 00:54:09,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872051638] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:54:09,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:54:09,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 00:54:09,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914441531] [2023-11-12 00:54:09,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:54:09,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 00:54:09,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:54:10,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 00:54:10,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-12 00:54:10,012 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) [2023-11-12 00:54:27,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:54:27,474 INFO L93 Difference]: Finished difference Result 3884 states and 5786 transitions. [2023-11-12 00:54:27,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 00:54:27,478 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 [2023-11-12 00:54:27,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:54:27,530 INFO L225 Difference]: With dead ends: 3884 [2023-11-12 00:54:27,530 INFO L226 Difference]: Without dead ends: 2880 [2023-11-12 00:54:27,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-11-12 00:54:27,551 INFO L413 NwaCegarLoop]: 1977 mSDtfsCounter, 3310 mSDsluCounter, 3966 mSDsCounter, 0 mSdLazyCounter, 2538 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3337 SdHoareTripleChecker+Valid, 5943 SdHoareTripleChecker+Invalid, 2883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 2538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2023-11-12 00:54:27,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3337 Valid, 5943 Invalid, 2883 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [345 Valid, 2538 Invalid, 0 Unknown, 0 Unchecked, 16.8s Time] [2023-11-12 00:54:27,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2880 states. [2023-11-12 00:54:27,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2880 to 2870. [2023-11-12 00:54:27,970 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) [2023-11-12 00:54:28,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2870 states to 2870 states and 4166 transitions. [2023-11-12 00:54:28,006 INFO L78 Accepts]: Start accepts. Automaton has 2870 states and 4166 transitions. Word has length 14 [2023-11-12 00:54:28,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:54:28,007 INFO L495 AbstractCegarLoop]: Abstraction has 2870 states and 4166 transitions. [2023-11-12 00:54:28,007 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) [2023-11-12 00:54:28,008 INFO L276 IsEmpty]: Start isEmpty. Operand 2870 states and 4166 transitions. [2023-11-12 00:54:28,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:54:28,011 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:28,011 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] [2023-11-12 00:54:28,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:54:28,012 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:54:28,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:28,013 INFO L85 PathProgramCache]: Analyzing trace with hash 577927605, now seen corresponding path program 1 times [2023-11-12 00:54:28,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:54:28,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988435565] [2023-11-12 00:54:28,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:28,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:54:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:28,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:54:28,300 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:54:28,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988435565] [2023-11-12 00:54:28,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988435565] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:54:28,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:54:28,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:54:28,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595684656] [2023-11-12 00:54:28,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:54:28,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:54:28,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:54:28,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:54:28,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:54:28,314 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) [2023-11-12 00:54:29,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:54:31,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []