./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afd1d22-df5a-461d-92ad-fd87fc025ca4/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afd1d22-df5a-461d-92ad-fd87fc025ca4/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afd1d22-df5a-461d-92ad-fd87fc025ca4/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afd1d22-df5a-461d-92ad-fd87fc025ca4/bin/uautomizer-verify-uCwYo4JHxu/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_2afd1d22-df5a-461d-92ad-fd87fc025ca4/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afd1d22-df5a-461d-92ad-fd87fc025ca4/bin/uautomizer-verify-uCwYo4JHxu --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-9bd2c7f [2023-11-19 07:44:29,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:44:29,552 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afd1d22-df5a-461d-92ad-fd87fc025ca4/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:44:29,560 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:44:29,561 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:44:29,599 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:44:29,601 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:44:29,601 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:44:29,603 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:44:29,608 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:44:29,609 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:44:29,610 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:44:29,610 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:44:29,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:44:29,612 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:44:29,613 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:44:29,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:44:29,614 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:44:29,614 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:44:29,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:44:29,615 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:44:29,615 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:44:29,616 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:44:29,617 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:44:29,617 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:44:29,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:44:29,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:44:29,620 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:44:29,620 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:44:29,621 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:44:29,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:44:29,622 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:44:29,622 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:44:29,623 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:44:29,623 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:44:29,623 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:44:29,623 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_2afd1d22-df5a-461d-92ad-fd87fc025ca4/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afd1d22-df5a-461d-92ad-fd87fc025ca4/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19525e6f83ed492183d9a21eaa90e9685989ff90c55473d8827091d7561f2601 [2023-11-19 07:44:29,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:44:29,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:44:29,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:44:29,975 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:44:29,975 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:44:29,977 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afd1d22-df5a-461d-92ad-fd87fc025ca4/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2023-11-19 07:44:33,011 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:44:33,654 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:44:33,654 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afd1d22-df5a-461d-92ad-fd87fc025ca4/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2023-11-19 07:44:33,706 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afd1d22-df5a-461d-92ad-fd87fc025ca4/bin/uautomizer-verify-uCwYo4JHxu/data/a81882189/7f015b78277a48379d63f7b1f3f04f2d/FLAG5af963ab8 [2023-11-19 07:44:33,723 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afd1d22-df5a-461d-92ad-fd87fc025ca4/bin/uautomizer-verify-uCwYo4JHxu/data/a81882189/7f015b78277a48379d63f7b1f3f04f2d [2023-11-19 07:44:33,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:44:33,734 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:44:33,738 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:44:33,739 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:44:33,745 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:44:33,746 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:33" (1/1) ... [2023-11-19 07:44:33,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3176d3e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:33, skipping insertion in model container [2023-11-19 07:44:33,748 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:33" (1/1) ... [2023-11-19 07:44:33,928 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:44:36,231 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_2afd1d22-df5a-461d-92ad-fd87fc025ca4/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i[265597,265610] [2023-11-19 07:44:36,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:44:36,492 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:44:36,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3237-3238] [2023-11-19 07:44:36,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3292] [2023-11-19 07:44:36,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3295] [2023-11-19 07:44:36,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3298] [2023-11-19 07:44:36,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3301] [2023-11-19 07:44:36,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; addl %1,%0": "+m" (v->counter): "ir" (i)); [3334] [2023-11-19 07:44:36,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; subl %1,%0": "+m" (v->counter): "ir" (i)); [3341] [2023-11-19 07:44:36,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; subl %2,%0; sete %1": "+m" (v->counter), "=qm" (c): "ir" (i): "memory"); [3348-3349] [2023-11-19 07:44:36,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [3356] [2023-11-19 07:44:36,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); [3363] [2023-11-19 07:44:36,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgb %2,%1": "=a" (__ret), "+m" (*__ptr): "q" (__new), "0" (__old): "memory"); [3381-3382] [2023-11-19 07:44:36,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgw %2,%1": "=a" (__ret), "+m" (*__ptr___0): "r" (__new), "0" (__old): "memory"); [3386-3387] [2023-11-19 07:44:36,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgl %2,%1": "=a" (__ret), "+m" (*__ptr___1): "r" (__new), "0" (__old): "memory"); [3391-3392] [2023-11-19 07:44:36,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgq %2,%1": "=a" (__ret), "+m" (*__ptr___2): "r" (__new), "0" (__old): "memory"); [3396-3397] [2023-11-19 07:44:36,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [3531] [2023-11-19 07:44:36,597 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3534] [2023-11-19 07:44:36,597 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3537] [2023-11-19 07:44:36,597 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3540] [2023-11-19 07:44:36,599 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3577] [2023-11-19 07:44:36,600 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3584] [2023-11-19 07:44:36,600 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3587] [2023-11-19 07:44:36,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3791] [2023-11-19 07:44:36,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6781] [2023-11-19 07:44:37,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8123] [2023-11-19 07:44:37,074 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_2afd1d22-df5a-461d-92ad-fd87fc025ca4/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i[265597,265610] [2023-11-19 07:44:37,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:44:37,254 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:44:37,255 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:44:37,255 WARN L675 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:44:37,255 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:44:37,255 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:44:37,264 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:44:37,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:37 WrapperNode [2023-11-19 07:44:37,264 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:44:37,266 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:44:37,266 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:44:37,266 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:44:37,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:37" (1/1) ... [2023-11-19 07:44:37,412 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:37" (1/1) ... [2023-11-19 07:44:37,598 INFO L138 Inliner]: procedures = 389, calls = 2941, calls flagged for inlining = 157, calls inlined = 64, statements flattened = 3358 [2023-11-19 07:44:37,598 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:44:37,599 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:44:37,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:44:37,600 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:44:37,610 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:37" (1/1) ... [2023-11-19 07:44:37,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:37" (1/1) ... [2023-11-19 07:44:37,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:37" (1/1) ... [2023-11-19 07:44:37,634 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:37" (1/1) ... [2023-11-19 07:44:37,761 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:37" (1/1) ... [2023-11-19 07:44:37,781 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:37" (1/1) ... [2023-11-19 07:44:37,808 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:37" (1/1) ... [2023-11-19 07:44:37,830 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:37" (1/1) ... [2023-11-19 07:44:37,857 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:44:37,858 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:44:37,859 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:44:37,859 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:44:37,860 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:37" (1/1) ... [2023-11-19 07:44:37,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:44:37,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afd1d22-df5a-461d-92ad-fd87fc025ca4/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:37,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afd1d22-df5a-461d-92ad-fd87fc025ca4/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:37,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2afd1d22-df5a-461d-92ad-fd87fc025ca4/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:44:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure smi_stats_proc_open [2023-11-19 07:44:37,940 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_stats_proc_open [2023-11-19 07:44:37,940 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-19 07:44:37,940 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-19 07:44:37,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:44:37,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:44:37,942 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_poll [2023-11-19 07:44:37,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_poll [2023-11-19 07:44:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure format_lan_msg [2023-11-19 07:44:37,944 INFO L138 BoogieDeclarations]: Found implementation of procedure format_lan_msg [2023-11-19 07:44:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 07:44:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 07:44:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure copy_event_into_recv_msg [2023-11-19 07:44:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_event_into_recv_msg [2023-11-19 07:44:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_panic_request_and_wait [2023-11-19 07:44:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_panic_request_and_wait [2023-11-19 07:44:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:44:37,946 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:44:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2023-11-19 07:44:37,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2023-11-19 07:44:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2023-11-19 07:44:37,946 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2023-11-19 07:44:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2023-11-19 07:44:37,947 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2023-11-19 07:44:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:44:37,947 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:44:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure intf_next_seq [2023-11-19 07:44:37,947 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_next_seq [2023-11-19 07:44:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:44:37,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2023-11-19 07:44:37,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2023-11-19 07:44:37,948 INFO L130 BoogieDeclarations]: Found specification of procedure PDE [2023-11-19 07:44:37,948 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE [2023-11-19 07:44:37,948 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 07:44:37,948 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 07:44:37,949 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:44:37,949 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:44:37,949 INFO L130 BoogieDeclarations]: Found specification of procedure i_ipmi_request [2023-11-19 07:44:37,949 INFO L138 BoogieDeclarations]: Found implementation of procedure i_ipmi_request [2023-11-19 07:44:37,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:44:37,950 INFO L130 BoogieDeclarations]: Found specification of procedure free_smi_msg_list [2023-11-19 07:44:37,951 INFO L138 BoogieDeclarations]: Found implementation of procedure free_smi_msg_list [2023-11-19 07:44:37,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:44:37,952 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-19 07:44:37,952 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-19 07:44:37,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:44:37,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:44:37,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:44:37,953 INFO L130 BoogieDeclarations]: Found specification of procedure maintenance_mode_update [2023-11-19 07:44:37,954 INFO L138 BoogieDeclarations]: Found implementation of procedure maintenance_mode_update [2023-11-19 07:44:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 07:44:37,954 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 07:44:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-19 07:44:37,954 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-19 07:44:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2023-11-19 07:44:37,955 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2023-11-19 07:44:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:44:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure smi_version_proc_open [2023-11-19 07:44:37,955 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_version_proc_open [2023-11-19 07:44:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-19 07:44:37,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-19 07:44:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:44:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure send_channel_info_cmd [2023-11-19 07:44:37,956 INFO L138 BoogieDeclarations]: Found implementation of procedure send_channel_info_cmd [2023-11-19 07:44:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:44:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 07:44:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:44:37,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:44:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2023-11-19 07:44:37,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2023-11-19 07:44:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 07:44:37,958 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 07:44:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-19 07:44:37,959 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-19 07:44:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_recv_msgs [2023-11-19 07:44:37,959 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_recv_msgs [2023-11-19 07:44:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure is_lan_addr [2023-11-19 07:44:37,959 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lan_addr [2023-11-19 07:44:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 07:44:37,960 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 07:44:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure intf_free [2023-11-19 07:44:37,960 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_free [2023-11-19 07:44:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:44:37,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:44:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2023-11-19 07:44:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-19 07:44:37,961 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-19 07:44:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:44:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:44:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure intf_find_seq [2023-11-19 07:44:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_find_seq [2023-11-19 07:44:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 07:44:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 07:44:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:44:37,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:44:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 07:44:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 07:44:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_smi_msg [2023-11-19 07:44:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_smi_msg [2023-11-19 07:44:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-19 07:44:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-19 07:44:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:44:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 07:44:37,965 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 07:44:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2023-11-19 07:44:37,965 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2023-11-19 07:44:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:44:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:44:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure find_cmd_rcvr [2023-11-19 07:44:37,966 INFO L138 BoogieDeclarations]: Found implementation of procedure find_cmd_rcvr [2023-11-19 07:44:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:44:37,966 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:44:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 07:44:37,966 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 07:44:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_init_msghandler [2023-11-19 07:44:37,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_init_msghandler [2023-11-19 07:44:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 07:44:37,967 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 07:44:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure clean_up_interface_data [2023-11-19 07:44:37,967 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_up_interface_data [2023-11-19 07:44:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_recv_msg [2023-11-19 07:44:37,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_recv_msg [2023-11-19 07:44:37,969 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2023-11-19 07:44:37,969 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2023-11-19 07:44:37,970 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2023-11-19 07:44:37,970 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2023-11-19 07:44:37,971 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2023-11-19 07:44:37,974 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2023-11-19 07:44:37,974 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-19 07:44:37,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-19 07:44:37,975 INFO L130 BoogieDeclarations]: Found specification of procedure smi_ipmb_proc_open [2023-11-19 07:44:37,975 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_ipmb_proc_open [2023-11-19 07:44:37,976 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:44:37,976 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:44:37,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:44:37,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:44:37,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:44:37,977 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_addr [2023-11-19 07:44:37,977 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_addr [2023-11-19 07:44:37,977 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_bcast_addr [2023-11-19 07:44:37,978 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_bcast_addr [2023-11-19 07:44:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2023-11-19 07:44:37,978 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2023-11-19 07:44:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-19 07:44:37,978 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-19 07:44:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure format_ipmb_msg [2023-11-19 07:44:37,979 INFO L138 BoogieDeclarations]: Found implementation of procedure format_ipmb_msg [2023-11-19 07:44:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-19 07:44:37,979 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-19 07:44:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure free_recv_msg_list [2023-11-19 07:44:37,979 INFO L138 BoogieDeclarations]: Found implementation of procedure free_recv_msg_list [2023-11-19 07:44:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-11-19 07:44:37,979 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-11-19 07:44:37,980 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-19 07:44:37,980 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-19 07:44:37,980 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-19 07:44:37,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-19 07:44:37,980 INFO L130 BoogieDeclarations]: Found specification of procedure ipmb_checksum [2023-11-19 07:44:37,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmb_checksum [2023-11-19 07:44:37,980 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_response [2023-11-19 07:44:37,981 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_response [2023-11-19 07:44:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-19 07:44:37,981 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-19 07:44:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:44:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2023-11-19 07:44:37,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2023-11-19 07:44:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-19 07:44:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-19 07:44:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-19 07:44:38,659 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:44:38,666 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:44:48,109 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:44:48,127 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:44:48,128 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:44:48,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:48 BoogieIcfgContainer [2023-11-19 07:44:48,139 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:44:48,142 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:44:48,142 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:44:48,146 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:44:48,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:44:33" (1/3) ... [2023-11-19 07:44:48,147 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e0745f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:44:48, skipping insertion in model container [2023-11-19 07:44:48,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:37" (2/3) ... [2023-11-19 07:44:48,148 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e0745f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:44:48, skipping insertion in model container [2023-11-19 07:44:48,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:48" (3/3) ... [2023-11-19 07:44:48,150 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2023-11-19 07:44:48,170 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:44:48,171 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:44:48,257 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:44:48,266 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;@108379c4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:44:48,266 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:44:48,281 INFO L276 IsEmpty]: Start isEmpty. Operand has 1290 states, 898 states have (on average 1.376391982182628) internal successors, (1236), 948 states have internal predecessors, (1236), 315 states have call successors, (315), 75 states have call predecessors, (315), 75 states have return successors, (315), 309 states have call predecessors, (315), 315 states have call successors, (315) [2023-11-19 07:44:48,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 07:44:48,296 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:44:48,297 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:48,297 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:44:48,304 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:48,305 INFO L85 PathProgramCache]: Analyzing trace with hash -182832759, now seen corresponding path program 1 times [2023-11-19 07:44:48,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:48,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116547502] [2023-11-19 07:44:48,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:48,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:48,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:49,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:44:49,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:49,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116547502] [2023-11-19 07:44:49,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116547502] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:49,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:49,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:44:49,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459448756] [2023-11-19 07:44:49,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:49,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:44:49,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:49,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:44:49,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:44:49,126 INFO L87 Difference]: Start difference. First operand has 1290 states, 898 states have (on average 1.376391982182628) internal successors, (1236), 948 states have internal predecessors, (1236), 315 states have call successors, (315), 75 states have call predecessors, (315), 75 states have return successors, (315), 309 states have call predecessors, (315), 315 states have call successors, (315) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:49,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:44:49,470 INFO L93 Difference]: Finished difference Result 3785 states and 5592 transitions. [2023-11-19 07:44:49,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:44:49,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 16 [2023-11-19 07:44:49,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:44:49,508 INFO L225 Difference]: With dead ends: 3785 [2023-11-19 07:44:49,509 INFO L226 Difference]: Without dead ends: 2494 [2023-11-19 07:44:49,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:44:49,529 INFO L413 NwaCegarLoop]: 2852 mSDtfsCounter, 1777 mSDsluCounter, 1799 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1777 SdHoareTripleChecker+Valid, 4651 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:44:49,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1777 Valid, 4651 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:44:49,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2494 states. [2023-11-19 07:44:49,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2494 to 2490. [2023-11-19 07:44:49,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2490 states, 1738 states have (on average 1.3705408515535098) internal successors, (2382), 1825 states have internal predecessors, (2382), 607 states have call successors, (607), 145 states have call predecessors, (607), 144 states have return successors, (597), 585 states have call predecessors, (597), 597 states have call successors, (597) [2023-11-19 07:44:49,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 2490 states and 3586 transitions. [2023-11-19 07:44:49,768 INFO L78 Accepts]: Start accepts. Automaton has 2490 states and 3586 transitions. Word has length 16 [2023-11-19 07:44:49,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:44:49,769 INFO L495 AbstractCegarLoop]: Abstraction has 2490 states and 3586 transitions. [2023-11-19 07:44:49,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:49,770 INFO L276 IsEmpty]: Start isEmpty. Operand 2490 states and 3586 transitions. [2023-11-19 07:44:49,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 07:44:49,773 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:44:49,773 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, 1, 1, 1] [2023-11-19 07:44:49,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:44:49,774 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:44:49,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:49,775 INFO L85 PathProgramCache]: Analyzing trace with hash 707529788, now seen corresponding path program 1 times [2023-11-19 07:44:49,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:49,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523531618] [2023-11-19 07:44:49,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:49,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:50,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 07:44:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:50,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:44:50,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:50,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523531618] [2023-11-19 07:44:50,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523531618] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:50,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:50,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:44:50,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210260823] [2023-11-19 07:44:50,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:50,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:44:50,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:50,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:44:50,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:44:50,377 INFO L87 Difference]: Start difference. First operand 2490 states and 3586 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 4 states have internal predecessors, (20), 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) [2023-11-19 07:45:05,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:45:07,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:45:12,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:45:16,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:45:17,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:45:19,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:45:21,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:45:24,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:45:27,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []