./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b71d6-26e9-491c-9ad3-d4af782dfc8f/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b71d6-26e9-491c-9ad3-d4af782dfc8f/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b71d6-26e9-491c-9ad3-d4af782dfc8f/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b71d6-26e9-491c-9ad3-d4af782dfc8f/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b71d6-26e9-491c-9ad3-d4af782dfc8f/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b71d6-26e9-491c-9ad3-d4af782dfc8f/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2c13f17bef293e22dbc8fc00ce80e620ba1259ce3bd9f704a30527baafc650b9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:15:14,980 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:15:15,094 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b71d6-26e9-491c-9ad3-d4af782dfc8f/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:15:15,100 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:15:15,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:15:15,125 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:15:15,126 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:15:15,126 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:15:15,127 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:15:15,128 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:15:15,128 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:15:15,129 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:15:15,130 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:15:15,130 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:15:15,131 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:15:15,131 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:15:15,132 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:15:15,133 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:15:15,133 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:15:15,134 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:15:15,134 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:15:15,135 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:15:15,136 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:15:15,136 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:15:15,137 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:15:15,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:15:15,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:15:15,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:15:15,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:15:15,139 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:15:15,139 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:15:15,140 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:15:15,140 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:15:15,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:15:15,141 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:15:15,141 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:15:15,142 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:15:15,142 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:15:15,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:15:15,142 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:15:15,143 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:15:15,143 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:15:15,143 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b71d6-26e9-491c-9ad3-d4af782dfc8f/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b71d6-26e9-491c-9ad3-d4af782dfc8f/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c13f17bef293e22dbc8fc00ce80e620ba1259ce3bd9f704a30527baafc650b9 [2023-11-19 05:15:15,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:15:15,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:15:15,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:15:15,461 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:15:15,461 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:15:15,463 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b71d6-26e9-491c-9ad3-d4af782dfc8f/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i [2023-11-19 05:15:18,626 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:15:19,339 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:15:19,341 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b71d6-26e9-491c-9ad3-d4af782dfc8f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i [2023-11-19 05:15:19,401 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b71d6-26e9-491c-9ad3-d4af782dfc8f/bin/utaipan-verify-t7M7D8N6sZ/data/39708d916/8091c30b91f64a4ebbd0a8a9efdcc2c5/FLAG015d26a56 [2023-11-19 05:15:19,421 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b71d6-26e9-491c-9ad3-d4af782dfc8f/bin/utaipan-verify-t7M7D8N6sZ/data/39708d916/8091c30b91f64a4ebbd0a8a9efdcc2c5 [2023-11-19 05:15:19,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:15:19,425 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:15:19,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:15:19,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:15:19,436 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:15:19,437 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:19" (1/1) ... [2023-11-19 05:15:19,438 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@279aa76a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:19, skipping insertion in model container [2023-11-19 05:15:19,439 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:19" (1/1) ... [2023-11-19 05:15:19,682 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:15:22,419 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_199b71d6-26e9-491c-9ad3-d4af782dfc8f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i[299705,299718] [2023-11-19 05:15:22,497 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:15:22,565 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:15:22,642 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3521] [2023-11-19 05:15:22,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3523] [2023-11-19 05:15:22,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3546] [2023-11-19 05:15:22,646 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3548] [2023-11-19 05:15:22,646 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, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [3558-3559] [2023-11-19 05:15:22,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; addl %1,%0": "+m" (v->counter): "ir" (i)); [3756] [2023-11-19 05:15:22,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; subl %1,%0": "+m" (v->counter): "ir" (i)); [3763] [2023-11-19 05:15:22,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [3771-3772] [2023-11-19 05:15:22,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [3779] [2023-11-19 05:15:22,654 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); [3786] [2023-11-19 05:15:22,654 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [3797-3798] [2023-11-19 05:15:22,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3801-3802] [2023-11-19 05:15:22,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3805-3806] [2023-11-19 05:15:22,656 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3809-3810] [2023-11-19 05:15:22,656 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgb %2,%1": "=a" (__ret), "+m" (*__ptr): "q" (__new), "0" (__old): "memory"); [3834-3835] [2023-11-19 05:15:22,657 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgw %2,%1": "=a" (__ret), "+m" (*__ptr___0): "r" (__new), "0" (__old): "memory"); [3839-3840] [2023-11-19 05:15:22,657 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgl %2,%1": "=a" (__ret), "+m" (*__ptr___1): "r" (__new), "0" (__old): "memory"); [3844-3845] [2023-11-19 05:15:22,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgq %2,%1": "=a" (__ret), "+m" (*__ptr___2): "r" (__new), "0" (__old): "memory"); [3849-3850] [2023-11-19 05:15:22,660 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [3902] [2023-11-19 05:15:22,660 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [3905] [2023-11-19 05:15:22,660 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [3907] [2023-11-19 05:15:22,661 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [3912] [2023-11-19 05:15:22,661 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [3915] [2023-11-19 05:15:22,662 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [3917] [2023-11-19 05:15:22,662 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [3922] [2023-11-19 05:15:22,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [3925] [2023-11-19 05:15:22,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [3927] [2023-11-19 05:15:22,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [3932] [2023-11-19 05:15:22,664 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [3935] [2023-11-19 05:15:22,664 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [3937] [2023-11-19 05:15:22,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [3955] [2023-11-19 05:15:22,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [3958] [2023-11-19 05:15:22,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [3960] [2023-11-19 05:15:22,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [3965] [2023-11-19 05:15:22,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [3968] [2023-11-19 05:15:22,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [3970] [2023-11-19 05:15:22,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [3975] [2023-11-19 05:15:22,668 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [3978] [2023-11-19 05:15:22,668 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [3980] [2023-11-19 05:15:22,668 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [3985] [2023-11-19 05:15:22,669 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [3988] [2023-11-19 05:15:22,669 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [3990] [2023-11-19 05:15:22,671 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4033] [2023-11-19 05:15:22,671 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4040] [2023-11-19 05:15:22,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4271] [2023-11-19 05:15:22,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7357] [2023-11-19 05:15:23,007 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8859] [2023-11-19 05:15:23,037 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_199b71d6-26e9-491c-9ad3-d4af782dfc8f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i[299705,299718] [2023-11-19 05:15:23,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:15:23,213 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:15:23,213 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:15:23,213 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:15:23,214 WARN L675 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:15:23,214 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:15:23,214 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:15:23,223 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:15:23,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:23 WrapperNode [2023-11-19 05:15:23,224 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:15:23,225 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:15:23,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:15:23,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:15:23,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:23" (1/1) ... [2023-11-19 05:15:23,434 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:23" (1/1) ... [2023-11-19 05:15:23,637 INFO L138 Inliner]: procedures = 314, calls = 3877, calls flagged for inlining = 120, calls inlined = 83, statements flattened = 4821 [2023-11-19 05:15:23,638 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:15:23,639 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:15:23,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:15:23,639 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:15:23,649 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:23" (1/1) ... [2023-11-19 05:15:23,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:23" (1/1) ... [2023-11-19 05:15:23,686 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:23" (1/1) ... [2023-11-19 05:15:23,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:23" (1/1) ... [2023-11-19 05:15:23,846 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:23" (1/1) ... [2023-11-19 05:15:23,883 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:23" (1/1) ... [2023-11-19 05:15:23,919 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:23" (1/1) ... [2023-11-19 05:15:23,944 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:23" (1/1) ... [2023-11-19 05:15:24,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:15:24,046 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:15:24,046 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:15:24,046 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:15:24,047 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:23" (1/1) ... [2023-11-19 05:15:24,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:15:24,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b71d6-26e9-491c-9ad3-d4af782dfc8f/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:15:24,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b71d6-26e9-491c-9ad3-d4af782dfc8f/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:15:24,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b71d6-26e9-491c-9ad3-d4af782dfc8f/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:15:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2023-11-19 05:15:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure smi_stats_proc_open [2023-11-19 05:15:24,170 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_stats_proc_open [2023-11-19 05:15:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-19 05:15:24,170 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-19 05:15:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:15:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2023-11-19 05:15:24,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2023-11-19 05:15:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:15:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:15:24,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:15:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 05:15:24,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 05:15:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure intf_find_seq [2023-11-19 05:15:24,171 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_find_seq [2023-11-19 05:15:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-19 05:15:24,171 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-19 05:15:24,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 05:15:24,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 05:15:24,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:15:24,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:15:24,172 INFO L130 BoogieDeclarations]: Found specification of procedure handle_read_event_rsp [2023-11-19 05:15:24,172 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_read_event_rsp [2023-11-19 05:15:24,172 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2023-11-19 05:15:24,172 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2023-11-19 05:15:24,173 INFO L130 BoogieDeclarations]: Found specification of procedure handle_ipmb_get_msg_cmd [2023-11-19 05:15:24,173 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_ipmb_get_msg_cmd [2023-11-19 05:15:24,173 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2023-11-19 05:15:24,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2023-11-19 05:15:24,173 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_poll [2023-11-19 05:15:24,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_poll [2023-11-19 05:15:24,173 INFO L130 BoogieDeclarations]: Found specification of procedure handle_lan_get_msg_cmd [2023-11-19 05:15:24,174 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_lan_get_msg_cmd [2023-11-19 05:15:24,174 INFO L130 BoogieDeclarations]: Found specification of procedure handle_bmc_rsp [2023-11-19 05:15:24,174 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_bmc_rsp [2023-11-19 05:15:24,174 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 05:15:24,174 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 05:15:24,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 05:15:24,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 05:15:24,175 INFO L130 BoogieDeclarations]: Found specification of procedure __write_once_size [2023-11-19 05:15:24,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __write_once_size [2023-11-19 05:15:24,175 INFO L130 BoogieDeclarations]: Found specification of procedure format_lan_msg [2023-11-19 05:15:24,175 INFO L138 BoogieDeclarations]: Found implementation of procedure format_lan_msg [2023-11-19 05:15:24,175 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 05:15:24,175 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 05:15:24,175 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:15:24,175 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:15:24,192 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_smi_msg [2023-11-19 05:15:24,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_smi_msg [2023-11-19 05:15:24,192 INFO L130 BoogieDeclarations]: Found specification of procedure copy_event_into_recv_msg [2023-11-19 05:15:24,192 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_event_into_recv_msg [2023-11-19 05:15:24,193 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_panic_request_and_wait [2023-11-19 05:15:24,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_panic_request_and_wait [2023-11-19 05:15:24,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2023-11-19 05:15:24,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2023-11-19 05:15:24,193 INFO L130 BoogieDeclarations]: Found specification of procedure handle_oem_get_msg_cmd [2023-11-19 05:15:24,193 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_oem_get_msg_cmd [2023-11-19 05:15:24,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:15:24,194 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 05:15:24,194 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 05:15:24,194 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2023-11-19 05:15:24,194 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2023-11-19 05:15:24,194 INFO L130 BoogieDeclarations]: Found specification of procedure need_waiter [2023-11-19 05:15:24,195 INFO L138 BoogieDeclarations]: Found implementation of procedure need_waiter [2023-11-19 05:15:24,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:15:24,195 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-19 05:15:24,195 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 05:15:24,195 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 05:15:24,195 INFO L130 BoogieDeclarations]: Found specification of procedure smi_send [2023-11-19 05:15:24,195 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_send [2023-11-19 05:15:24,195 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2023-11-19 05:15:24,196 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2023-11-19 05:15:24,196 INFO L130 BoogieDeclarations]: Found specification of procedure smi_add_send_msg [2023-11-19 05:15:24,196 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_add_send_msg [2023-11-19 05:15:24,196 INFO L130 BoogieDeclarations]: Found specification of procedure intf_next_seq [2023-11-19 05:15:24,196 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_next_seq [2023-11-19 05:15:24,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:15:24,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:15:24,196 INFO L130 BoogieDeclarations]: Found specification of procedure find_cmd_rcvr [2023-11-19 05:15:24,197 INFO L138 BoogieDeclarations]: Found implementation of procedure find_cmd_rcvr [2023-11-19 05:15:24,197 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2023-11-19 05:15:24,197 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2023-11-19 05:15:24,197 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:15:24,197 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:15:24,197 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 05:15:24,197 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 05:15:24,197 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 05:15:24,198 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 05:15:24,198 INFO L130 BoogieDeclarations]: Found specification of procedure i_ipmi_request [2023-11-19 05:15:24,198 INFO L138 BoogieDeclarations]: Found implementation of procedure i_ipmi_request [2023-11-19 05:15:24,198 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_init_msghandler [2023-11-19 05:15:24,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_init_msghandler [2023-11-19 05:15:24,198 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 05:15:24,198 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 05:15:24,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:15:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure free_smi_msg_list [2023-11-19 05:15:24,199 INFO L138 BoogieDeclarations]: Found implementation of procedure free_smi_msg_list [2023-11-19 05:15:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 05:15:24,199 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 05:15:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:15:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure clean_up_interface_data [2023-11-19 05:15:24,199 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_up_interface_data [2023-11-19 05:15:24,200 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOID [2023-11-19 05:15:24,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOID [2023-11-19 05:15:24,200 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2023-11-19 05:15:24,200 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2023-11-19 05:15:24,200 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-19 05:15:24,200 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-19 05:15:24,200 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_recv_msg [2023-11-19 05:15:24,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_recv_msg [2023-11-19 05:15:24,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:15:24,201 INFO L130 BoogieDeclarations]: Found specification of procedure handle_ipmb_get_msg_rsp [2023-11-19 05:15:24,201 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_ipmb_get_msg_rsp [2023-11-19 05:15:24,201 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_err_response [2023-11-19 05:15:24,201 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_err_response [2023-11-19 05:15:24,201 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2023-11-19 05:15:24,201 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2023-11-19 05:15:24,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 05:15:24,202 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 05:15:24,202 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-19 05:15:24,202 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-19 05:15:24,202 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2023-11-19 05:15:24,202 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2023-11-19 05:15:24,202 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2023-11-19 05:15:24,202 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2023-11-19 05:15:24,202 INFO L130 BoogieDeclarations]: Found specification of procedure smi_ipmb_proc_open [2023-11-19 05:15:24,203 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_ipmb_proc_open [2023-11-19 05:15:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure maintenance_mode_update [2023-11-19 05:15:24,203 INFO L138 BoogieDeclarations]: Found implementation of procedure maintenance_mode_update [2023-11-19 05:15:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 05:15:24,203 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 05:15:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 05:15:24,203 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 05:15:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:15:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2023-11-19 05:15:24,205 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2023-11-19 05:15:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-19 05:15:24,205 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-19 05:15:24,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:15:24,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:15:24,206 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-19 05:15:24,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-19 05:15:24,206 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_addr [2023-11-19 05:15:24,206 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_addr [2023-11-19 05:15:24,207 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2023-11-19 05:15:24,207 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2023-11-19 05:15:24,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 05:15:24,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 05:15:24,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:15:24,207 INFO L130 BoogieDeclarations]: Found specification of procedure handle_lan_get_msg_rsp [2023-11-19 05:15:24,224 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_lan_get_msg_rsp [2023-11-19 05:15:24,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 05:15:24,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 05:15:24,224 INFO L130 BoogieDeclarations]: Found specification of procedure smi_version_proc_open [2023-11-19 05:15:24,224 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_version_proc_open [2023-11-19 05:15:24,225 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2023-11-19 05:15:24,225 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2023-11-19 05:15:24,225 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_bcast_addr [2023-11-19 05:15:24,225 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_bcast_addr [2023-11-19 05:15:24,225 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-19 05:15:24,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-19 05:15:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:15:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure send_channel_info_cmd [2023-11-19 05:15:24,226 INFO L138 BoogieDeclarations]: Found implementation of procedure send_channel_info_cmd [2023-11-19 05:15:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-19 05:15:24,226 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-19 05:15:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure format_ipmb_msg [2023-11-19 05:15:24,226 INFO L138 BoogieDeclarations]: Found implementation of procedure format_ipmb_msg [2023-11-19 05:15:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:15:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-19 05:15:24,227 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-19 05:15:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure free_recv_msg_list [2023-11-19 05:15:24,227 INFO L138 BoogieDeclarations]: Found implementation of procedure free_recv_msg_list [2023-11-19 05:15:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 05:15:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure handle_one_recv_msg [2023-11-19 05:15:24,228 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_one_recv_msg [2023-11-19 05:15:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure intf_err_seq [2023-11-19 05:15:24,228 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_err_seq [2023-11-19 05:15:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:15:24,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:15:24,229 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2023-11-19 05:15:24,229 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2023-11-19 05:15:24,229 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-19 05:15:24,229 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-19 05:15:24,229 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-19 05:15:24,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-19 05:15:24,230 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_timeout [2023-11-19 05:15:24,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_timeout [2023-11-19 05:15:24,230 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2023-11-19 05:15:24,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2023-11-19 05:15:24,230 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 05:15:24,231 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 05:15:24,231 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2023-11-19 05:15:24,231 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2023-11-19 05:15:24,231 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_recv_msgs [2023-11-19 05:15:24,231 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_recv_msgs [2023-11-19 05:15:24,231 INFO L130 BoogieDeclarations]: Found specification of procedure is_lan_addr [2023-11-19 05:15:24,232 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lan_addr [2023-11-19 05:15:24,232 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 05:15:24,232 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 05:15:24,232 INFO L130 BoogieDeclarations]: Found specification of procedure intf_free [2023-11-19 05:15:24,232 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_free [2023-11-19 05:15:24,232 INFO L130 BoogieDeclarations]: Found specification of procedure smi_recv_tasklet [2023-11-19 05:15:24,233 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_recv_tasklet [2023-11-19 05:15:24,233 INFO L130 BoogieDeclarations]: Found specification of procedure ipmb_checksum [2023-11-19 05:15:24,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmb_checksum [2023-11-19 05:15:24,233 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_response [2023-11-19 05:15:24,233 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_response [2023-11-19 05:15:24,233 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-19 05:15:24,234 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-19 05:15:24,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:15:24,234 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 05:15:24,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 05:15:24,234 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2023-11-19 05:15:24,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2023-11-19 05:15:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-19 05:15:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:15:24,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:15:25,206 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:15:25,210 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:15:25,882 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:15:36,549 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:15:38,502 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:15:38,503 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 05:15:38,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:15:38 BoogieIcfgContainer [2023-11-19 05:15:38,523 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:15:38,526 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:15:38,526 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:15:38,530 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:15:38,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:15:19" (1/3) ... [2023-11-19 05:15:38,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ee92671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:15:38, skipping insertion in model container [2023-11-19 05:15:38,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:23" (2/3) ... [2023-11-19 05:15:38,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ee92671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:15:38, skipping insertion in model container [2023-11-19 05:15:38,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:15:38" (3/3) ... [2023-11-19 05:15:38,540 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i [2023-11-19 05:15:38,561 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:15:38,561 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:15:38,668 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:15:38,679 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@372ceb44, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:15:38,679 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:15:38,693 INFO L276 IsEmpty]: Start isEmpty. Operand has 1451 states, 892 states have (on average 1.404708520179372) internal successors, (1253), 984 states have internal predecessors, (1253), 459 states have call successors, (459), 99 states have call predecessors, (459), 98 states have return successors, (441), 419 states have call predecessors, (441), 441 states have call successors, (441) [2023-11-19 05:15:38,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 584 [2023-11-19 05:15:38,759 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:15:38,760 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 11, 11, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:15:38,761 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:15:38,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:15:38,769 INFO L85 PathProgramCache]: Analyzing trace with hash 347866185, now seen corresponding path program 1 times [2023-11-19 05:15:38,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:15:38,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835617343] [2023-11-19 05:15:38,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:15:38,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:15:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:15:40,948 INFO L134 CoverageAnalysis]: Checked inductivity of 7971 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7971 trivial. 0 not checked. [2023-11-19 05:15:40,949 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:15:40,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835617343] [2023-11-19 05:15:40,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835617343] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:15:40,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:15:40,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:15:40,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123179783] [2023-11-19 05:15:40,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:15:40,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:15:40,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:15:41,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:15:41,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:15:41,007 INFO L87 Difference]: Start difference. First operand has 1451 states, 892 states have (on average 1.404708520179372) internal successors, (1253), 984 states have internal predecessors, (1253), 459 states have call successors, (459), 99 states have call predecessors, (459), 98 states have return successors, (441), 419 states have call predecessors, (441), 441 states have call successors, (441) Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2023-11-19 05:15:42,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:15:46,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:15:46,605 INFO L93 Difference]: Finished difference Result 4066 states and 6123 transitions. [2023-11-19 05:15:46,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:15:46,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 583 [2023-11-19 05:15:46,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:15:46,691 INFO L225 Difference]: With dead ends: 4066 [2023-11-19 05:15:46,691 INFO L226 Difference]: Without dead ends: 2648 [2023-11-19 05:15:46,707 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 05:15:46,711 INFO L413 NwaCegarLoop]: 1968 mSDtfsCounter, 2032 mSDsluCounter, 1811 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2032 SdHoareTripleChecker+Valid, 3779 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:15:46,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2032 Valid, 3779 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2023-11-19 05:15:46,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2648 states. [2023-11-19 05:15:46,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2648 to 2644. [2023-11-19 05:15:46,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2644 states, 1657 states have (on average 1.395896197948099) internal successors, (2313), 1798 states have internal predecessors, (2313), 795 states have call successors, (795), 192 states have call predecessors, (795), 191 states have return successors, (794), 749 states have call predecessors, (794), 794 states have call successors, (794) [2023-11-19 05:15:47,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2644 states to 2644 states and 3902 transitions. [2023-11-19 05:15:47,031 INFO L78 Accepts]: Start accepts. Automaton has 2644 states and 3902 transitions. Word has length 583 [2023-11-19 05:15:47,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:15:47,040 INFO L495 AbstractCegarLoop]: Abstraction has 2644 states and 3902 transitions. [2023-11-19 05:15:47,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2023-11-19 05:15:47,040 INFO L276 IsEmpty]: Start isEmpty. Operand 2644 states and 3902 transitions. [2023-11-19 05:15:47,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2023-11-19 05:15:47,061 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:15:47,061 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:15:47,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:15:47,062 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:15:47,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:15:47,063 INFO L85 PathProgramCache]: Analyzing trace with hash 29430847, now seen corresponding path program 1 times [2023-11-19 05:15:47,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:15:47,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405507345] [2023-11-19 05:15:47,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:15:47,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:15:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:15:49,186 INFO L134 CoverageAnalysis]: Checked inductivity of 7969 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7969 trivial. 0 not checked. [2023-11-19 05:15:49,187 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:15:49,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405507345] [2023-11-19 05:15:49,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405507345] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:15:49,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:15:49,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:15:49,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104198694] [2023-11-19 05:15:49,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:15:49,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:15:49,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:15:49,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:15:49,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:15:49,193 INFO L87 Difference]: Start difference. First operand 2644 states and 3902 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2023-11-19 05:15:59,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:15:59,449 INFO L93 Difference]: Finished difference Result 10250 states and 15293 transitions. [2023-11-19 05:15:59,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:15:59,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 599 [2023-11-19 05:15:59,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:15:59,523 INFO L225 Difference]: With dead ends: 10250 [2023-11-19 05:15:59,523 INFO L226 Difference]: Without dead ends: 7712 [2023-11-19 05:15:59,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:15:59,541 INFO L413 NwaCegarLoop]: 1915 mSDtfsCounter, 3993 mSDsluCounter, 3285 mSDsCounter, 0 mSdLazyCounter, 1509 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3993 SdHoareTripleChecker+Valid, 5200 SdHoareTripleChecker+Invalid, 1513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2023-11-19 05:15:59,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3993 Valid, 5200 Invalid, 1513 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1509 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2023-11-19 05:15:59,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7712 states. [2023-11-19 05:16:00,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7712 to 7694. [2023-11-19 05:16:00,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7694 states, 4857 states have (on average 1.4035412806259007) internal successors, (6817), 5268 states have internal predecessors, (6817), 2269 states have call successors, (2269), 568 states have call predecessors, (2269), 567 states have return successors, (2432), 2137 states have call predecessors, (2432), 2268 states have call successors, (2432) [2023-11-19 05:16:00,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7694 states to 7694 states and 11518 transitions. [2023-11-19 05:16:00,116 INFO L78 Accepts]: Start accepts. Automaton has 7694 states and 11518 transitions. Word has length 599 [2023-11-19 05:16:00,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:16:00,118 INFO L495 AbstractCegarLoop]: Abstraction has 7694 states and 11518 transitions. [2023-11-19 05:16:00,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2023-11-19 05:16:00,119 INFO L276 IsEmpty]: Start isEmpty. Operand 7694 states and 11518 transitions. [2023-11-19 05:16:00,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 601 [2023-11-19 05:16:00,136 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:16:00,137 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:16:00,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:16:00,137 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:16:00,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:16:00,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1625011705, now seen corresponding path program 1 times [2023-11-19 05:16:00,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:16:00,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058108043] [2023-11-19 05:16:00,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:16:00,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:16:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat