./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 527bcce2 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_80594551-91df-49ad-8dc6-af126d77a80e/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80594551-91df-49ad-8dc6-af126d77a80e/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80594551-91df-49ad-8dc6-af126d77a80e/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80594551-91df-49ad-8dc6-af126d77a80e/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.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_80594551-91df-49ad-8dc6-af126d77a80e/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80594551-91df-49ad-8dc6-af126d77a80e/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 19525e6f83ed492183d9a21eaa90e9685989ff90c55473d8827091d7561f2601 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:28:44,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:28:44,403 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80594551-91df-49ad-8dc6-af126d77a80e/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:28:44,414 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:28:44,415 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:28:44,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:28:44,456 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:28:44,456 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:28:44,457 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:28:44,462 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:28:44,463 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:28:44,463 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:28:44,464 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:28:44,466 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:28:44,466 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:28:44,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:28:44,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:28:44,467 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:28:44,468 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:28:44,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:28:44,469 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:28:44,469 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:28:44,470 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:28:44,470 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:28:44,471 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:28:44,471 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:28:44,472 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:28:44,472 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:28:44,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:28:44,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:28:44,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:28:44,474 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:28:44,474 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:28:44,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:28:44,475 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:28:44,475 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:28:44,475 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:28:44,476 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:28:44,476 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:28:44,476 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_80594551-91df-49ad-8dc6-af126d77a80e/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80594551-91df-49ad-8dc6-af126d77a80e/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19525e6f83ed492183d9a21eaa90e9685989ff90c55473d8827091d7561f2601 [2023-11-21 22:28:44,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:28:44,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:28:44,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:28:44,755 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:28:44,755 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:28:44,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80594551-91df-49ad-8dc6-af126d77a80e/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2023-11-21 22:28:47,838 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:28:48,636 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:28:48,637 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80594551-91df-49ad-8dc6-af126d77a80e/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2023-11-21 22:28:48,692 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80594551-91df-49ad-8dc6-af126d77a80e/bin/uautomizer-verify-bycVGegfSx/data/55b156bec/15ee34d4d8a843438817ed0119464faa/FLAG224304ddc [2023-11-21 22:28:48,712 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80594551-91df-49ad-8dc6-af126d77a80e/bin/uautomizer-verify-bycVGegfSx/data/55b156bec/15ee34d4d8a843438817ed0119464faa [2023-11-21 22:28:48,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:28:48,722 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:28:48,725 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:28:48,726 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:28:48,732 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:28:48,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:28:48" (1/1) ... [2023-11-21 22:28:48,734 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15dbba5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:48, skipping insertion in model container [2023-11-21 22:28:48,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:28:48" (1/1) ... [2023-11-21 22:28:48,933 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:28:51,840 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_80594551-91df-49ad-8dc6-af126d77a80e/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i[265597,265610] [2023-11-21 22:28:52,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:28:52,069 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:28:52,142 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] [2023-11-21 22:28:52,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3292] [2023-11-21 22:28:52,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3295] [2023-11-21 22:28:52,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3298] [2023-11-21 22:28:52,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3301] [2023-11-21 22:28:52,148 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] [2023-11-21 22:28:52,149 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] [2023-11-21 22:28:52,149 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] [2023-11-21 22:28:52,150 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] [2023-11-21 22:28:52,150 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] [2023-11-21 22:28:52,151 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] [2023-11-21 22:28:52,151 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] [2023-11-21 22:28:52,152 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] [2023-11-21 22:28:52,152 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] [2023-11-21 22:28:52,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [3531] [2023-11-21 22:28:52,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3534] [2023-11-21 22:28:52,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3537] [2023-11-21 22:28:52,157 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3540] [2023-11-21 22:28:52,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3577] [2023-11-21 22:28:52,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3584] [2023-11-21 22:28:52,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3587] [2023-11-21 22:28:52,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3791] [2023-11-21 22:28:52,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6781] [2023-11-21 22:28:52,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8123] [2023-11-21 22:28:52,593 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_80594551-91df-49ad-8dc6-af126d77a80e/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i[265597,265610] [2023-11-21 22:28:52,611 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:28:52,751 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:28:52,752 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:28:52,752 WARN L675 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:28:52,752 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:28:52,753 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:28:52,761 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:28:52,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:52 WrapperNode [2023-11-21 22:28:52,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:28:52,764 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:28:52,764 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:28:52,764 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:28:52,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:52" (1/1) ... [2023-11-21 22:28:52,880 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:52" (1/1) ... [2023-11-21 22:28:53,082 INFO L138 Inliner]: procedures = 389, calls = 2941, calls flagged for inlining = 157, calls inlined = 64, statements flattened = 3358 [2023-11-21 22:28:53,084 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:28:53,085 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:28:53,085 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:28:53,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:28:53,097 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:52" (1/1) ... [2023-11-21 22:28:53,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:52" (1/1) ... [2023-11-21 22:28:53,133 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:52" (1/1) ... [2023-11-21 22:28:53,896 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memcpy is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 22:28:53,896 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:52" (1/1) ... [2023-11-21 22:28:53,897 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:52" (1/1) ... [2023-11-21 22:28:54,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:52" (1/1) ... [2023-11-21 22:28:54,050 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:52" (1/1) ... [2023-11-21 22:28:54,070 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:52" (1/1) ... [2023-11-21 22:28:54,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:52" (1/1) ... [2023-11-21 22:28:54,127 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:28:54,128 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:28:54,128 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:28:54,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:28:54,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:52" (1/1) ... [2023-11-21 22:28:54,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:28:54,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80594551-91df-49ad-8dc6-af126d77a80e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:54,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80594551-91df-49ad-8dc6-af126d77a80e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:54,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80594551-91df-49ad-8dc6-af126d77a80e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:28:54,207 INFO L130 BoogieDeclarations]: Found specification of procedure smi_stats_proc_open [2023-11-21 22:28:54,207 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_stats_proc_open [2023-11-21 22:28:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-21 22:28:54,210 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-21 22:28:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:28:54,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:28:54,211 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_poll [2023-11-21 22:28:54,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_poll [2023-11-21 22:28:54,212 INFO L130 BoogieDeclarations]: Found specification of procedure format_lan_msg [2023-11-21 22:28:54,212 INFO L138 BoogieDeclarations]: Found implementation of procedure format_lan_msg [2023-11-21 22:28:54,212 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-21 22:28:54,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-21 22:28:54,212 INFO L130 BoogieDeclarations]: Found specification of procedure copy_event_into_recv_msg [2023-11-21 22:28:54,213 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_event_into_recv_msg [2023-11-21 22:28:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_panic_request_and_wait [2023-11-21 22:28:54,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_panic_request_and_wait [2023-11-21 22:28:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-21 22:28:54,213 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-21 22:28:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2023-11-21 22:28:54,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2023-11-21 22:28:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2023-11-21 22:28:54,214 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2023-11-21 22:28:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2023-11-21 22:28:54,214 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2023-11-21 22:28:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-21 22:28:54,215 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-21 22:28:54,215 INFO L130 BoogieDeclarations]: Found specification of procedure intf_next_seq [2023-11-21 22:28:54,215 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_next_seq [2023-11-21 22:28:54,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:28:54,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2023-11-21 22:28:54,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2023-11-21 22:28:54,216 INFO L130 BoogieDeclarations]: Found specification of procedure PDE [2023-11-21 22:28:54,216 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE [2023-11-21 22:28:54,216 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-21 22:28:54,216 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-21 22:28:54,217 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-21 22:28:54,217 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-21 22:28:54,218 INFO L130 BoogieDeclarations]: Found specification of procedure i_ipmi_request [2023-11-21 22:28:54,218 INFO L138 BoogieDeclarations]: Found implementation of procedure i_ipmi_request [2023-11-21 22:28:54,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 22:28:54,219 INFO L130 BoogieDeclarations]: Found specification of procedure free_smi_msg_list [2023-11-21 22:28:54,219 INFO L138 BoogieDeclarations]: Found implementation of procedure free_smi_msg_list [2023-11-21 22:28:54,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 22:28:54,219 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-21 22:28:54,219 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-21 22:28:54,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:28:54,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 22:28:54,220 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 22:28:54,220 INFO L130 BoogieDeclarations]: Found specification of procedure maintenance_mode_update [2023-11-21 22:28:54,220 INFO L138 BoogieDeclarations]: Found implementation of procedure maintenance_mode_update [2023-11-21 22:28:54,221 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-21 22:28:54,221 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-21 22:28:54,221 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-21 22:28:54,221 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-21 22:28:54,221 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2023-11-21 22:28:54,221 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2023-11-21 22:28:54,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:28:54,222 INFO L130 BoogieDeclarations]: Found specification of procedure smi_version_proc_open [2023-11-21 22:28:54,222 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_version_proc_open [2023-11-21 22:28:54,222 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-21 22:28:54,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-21 22:28:54,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:28:54,223 INFO L130 BoogieDeclarations]: Found specification of procedure send_channel_info_cmd [2023-11-21 22:28:54,224 INFO L138 BoogieDeclarations]: Found implementation of procedure send_channel_info_cmd [2023-11-21 22:28:54,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:28:54,225 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-21 22:28:54,225 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:28:54,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:28:54,225 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2023-11-21 22:28:54,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2023-11-21 22:28:54,225 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-21 22:28:54,226 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-21 22:28:54,226 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-21 22:28:54,226 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-21 22:28:54,226 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_recv_msgs [2023-11-21 22:28:54,226 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_recv_msgs [2023-11-21 22:28:54,226 INFO L130 BoogieDeclarations]: Found specification of procedure is_lan_addr [2023-11-21 22:28:54,227 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lan_addr [2023-11-21 22:28:54,227 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-21 22:28:54,227 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-21 22:28:54,227 INFO L130 BoogieDeclarations]: Found specification of procedure intf_free [2023-11-21 22:28:54,227 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_free [2023-11-21 22:28:54,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:28:54,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:28:54,228 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2023-11-21 22:28:54,228 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-21 22:28:54,229 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-21 22:28:54,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 22:28:54,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:28:54,229 INFO L130 BoogieDeclarations]: Found specification of procedure intf_find_seq [2023-11-21 22:28:54,230 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_find_seq [2023-11-21 22:28:54,230 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-21 22:28:54,230 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-21 22:28:54,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-21 22:28:54,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-21 22:28:54,231 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-21 22:28:54,231 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-21 22:28:54,231 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_smi_msg [2023-11-21 22:28:54,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_smi_msg [2023-11-21 22:28:54,231 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-21 22:28:54,232 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-21 22:28:54,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:28:54,232 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-21 22:28:54,232 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-21 22:28:54,232 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2023-11-21 22:28:54,233 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2023-11-21 22:28:54,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:28:54,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:28:54,233 INFO L130 BoogieDeclarations]: Found specification of procedure find_cmd_rcvr [2023-11-21 22:28:54,234 INFO L138 BoogieDeclarations]: Found implementation of procedure find_cmd_rcvr [2023-11-21 22:28:54,234 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 22:28:54,234 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 22:28:54,234 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-21 22:28:54,234 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-21 22:28:54,234 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_init_msghandler [2023-11-21 22:28:54,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_init_msghandler [2023-11-21 22:28:54,236 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-21 22:28:54,236 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-21 22:28:54,236 INFO L130 BoogieDeclarations]: Found specification of procedure clean_up_interface_data [2023-11-21 22:28:54,236 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_up_interface_data [2023-11-21 22:28:54,237 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_recv_msg [2023-11-21 22:28:54,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_recv_msg [2023-11-21 22:28:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2023-11-21 22:28:54,241 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2023-11-21 22:28:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2023-11-21 22:28:54,241 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2023-11-21 22:28:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2023-11-21 22:28:54,241 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2023-11-21 22:28:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-21 22:28:54,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-21 22:28:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure smi_ipmb_proc_open [2023-11-21 22:28:54,250 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_ipmb_proc_open [2023-11-21 22:28:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 22:28:54,250 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 22:28:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:28:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 22:28:54,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 22:28:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_addr [2023-11-21 22:28:54,252 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_addr [2023-11-21 22:28:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_bcast_addr [2023-11-21 22:28:54,252 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_bcast_addr [2023-11-21 22:28:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2023-11-21 22:28:54,252 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2023-11-21 22:28:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-21 22:28:54,252 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-21 22:28:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure format_ipmb_msg [2023-11-21 22:28:54,253 INFO L138 BoogieDeclarations]: Found implementation of procedure format_ipmb_msg [2023-11-21 22:28:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-21 22:28:54,253 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-21 22:28:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure free_recv_msg_list [2023-11-21 22:28:54,253 INFO L138 BoogieDeclarations]: Found implementation of procedure free_recv_msg_list [2023-11-21 22:28:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-11-21 22:28:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-11-21 22:28:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-21 22:28:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-21 22:28:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-21 22:28:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-21 22:28:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure ipmb_checksum [2023-11-21 22:28:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmb_checksum [2023-11-21 22:28:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_response [2023-11-21 22:28:54,255 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_response [2023-11-21 22:28:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-21 22:28:54,255 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-21 22:28:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:28:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2023-11-21 22:28:54,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2023-11-21 22:28:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-21 22:28:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-21 22:28:54,256 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-21 22:28:54,894 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:28:54,900 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:29:04,753 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:29:06,525 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:29:06,525 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 22:29:06,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:29:06 BoogieIcfgContainer [2023-11-21 22:29:06,527 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:29:06,530 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:29:06,530 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:29:06,533 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:29:06,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:28:48" (1/3) ... [2023-11-21 22:29:06,534 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@96587e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:29:06, skipping insertion in model container [2023-11-21 22:29:06,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:52" (2/3) ... [2023-11-21 22:29:06,535 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@96587e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:29:06, skipping insertion in model container [2023-11-21 22:29:06,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:29:06" (3/3) ... [2023-11-21 22:29:06,536 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2023-11-21 22:29:06,556 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:29:06,557 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:29:06,630 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:29:06,637 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=PETRI_NET, 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;@673eaae1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:29:06,638 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:29:06,647 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) [2023-11-21 22:29:06,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 22:29:06,657 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:06,658 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:06,658 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:29:06,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:06,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1534135726, now seen corresponding path program 1 times [2023-11-21 22:29:06,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:06,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398657446] [2023-11-21 22:29:06,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:06,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:07,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:07,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:07,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398657446] [2023-11-21 22:29:07,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398657446] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:07,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:07,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:29:07,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463062868] [2023-11-21 22:29:07,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:07,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:29:07,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:07,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:29:07,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:29:07,791 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) [2023-11-21 22:29:18,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:29:20,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:20,302 INFO L93 Difference]: Finished difference Result 3884 states and 5786 transitions. [2023-11-21 22:29:20,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 22:29:20,305 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 [2023-11-21 22:29:20,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:29:20,361 INFO L225 Difference]: With dead ends: 3884 [2023-11-21 22:29:20,361 INFO L226 Difference]: Without dead ends: 2880 [2023-11-21 22:29:20,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-11-21 22:29:20,384 INFO L413 NwaCegarLoop]: 2050 mSDtfsCounter, 3298 mSDsluCounter, 4032 mSDsCounter, 0 mSdLazyCounter, 2573 mSolverCounterSat, 330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3325 SdHoareTripleChecker+Valid, 6082 SdHoareTripleChecker+Invalid, 2903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 330 IncrementalHoareTripleChecker+Valid, 2573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2023-11-21 22:29:20,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3325 Valid, 6082 Invalid, 2903 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [330 Valid, 2573 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2023-11-21 22:29:20,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2880 states. [2023-11-21 22:29:20,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2880 to 2870. [2023-11-21 22:29:20,702 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) [2023-11-21 22:29:20,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2870 states to 2870 states and 4166 transitions. [2023-11-21 22:29:20,740 INFO L78 Accepts]: Start accepts. Automaton has 2870 states and 4166 transitions. Word has length 14 [2023-11-21 22:29:20,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:29:20,742 INFO L495 AbstractCegarLoop]: Abstraction has 2870 states and 4166 transitions. [2023-11-21 22:29:20,746 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) [2023-11-21 22:29:20,746 INFO L276 IsEmpty]: Start isEmpty. Operand 2870 states and 4166 transitions. [2023-11-21 22:29:20,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 22:29:20,752 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:20,752 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] [2023-11-21 22:29:20,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:29:20,753 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:29:20,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:20,754 INFO L85 PathProgramCache]: Analyzing trace with hash -2040976210, now seen corresponding path program 1 times [2023-11-21 22:29:20,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:20,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077128181] [2023-11-21 22:29:20,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:20,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:21,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-21 22:29:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:21,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:21,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:21,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077128181] [2023-11-21 22:29:21,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077128181] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:21,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:21,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:29:21,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907060023] [2023-11-21 22:29:21,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:21,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:29:21,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:21,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:29:21,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:29:21,154 INFO L87 Difference]: Start difference. First operand 2870 states and 4166 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) 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)