./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-08_1a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a35bba-017f-4b02-a598-30ff91d68a0e/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a35bba-017f-4b02-a598-30ff91d68a0e/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a35bba-017f-4b02-a598-30ff91d68a0e/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a35bba-017f-4b02-a598-30ff91d68a0e/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a35bba-017f-4b02-a598-30ff91d68a0e/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a35bba-017f-4b02-a598-30ff91d68a0e/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 40ab708e219f84bb7ba4362e0569b71b9ae13cfa586a42c01067e9be1995b8da --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:54:02,206 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:54:02,345 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a35bba-017f-4b02-a598-30ff91d68a0e/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:54:02,351 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:54:02,352 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:54:02,426 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:54:02,427 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:54:02,428 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:54:02,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:54:02,431 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:54:02,431 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:54:02,432 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:54:02,433 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:54:02,433 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:54:02,434 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:54:02,435 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:54:02,435 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:54:02,436 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:54:02,437 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:54:02,437 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:54:02,438 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:54:02,439 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:54:02,440 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:54:02,440 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:54:02,441 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:54:02,441 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:54:02,442 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:54:02,442 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:54:02,443 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:54:02,460 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:54:02,460 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:54:02,461 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:54:02,462 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:54:02,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:54:02,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:54:02,463 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:54:02,463 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:54:02,464 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:54:02,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:54:02,465 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:54:02,465 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:54:02,466 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:54:02,466 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_36a35bba-017f-4b02-a598-30ff91d68a0e/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a35bba-017f-4b02-a598-30ff91d68a0e/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40ab708e219f84bb7ba4362e0569b71b9ae13cfa586a42c01067e9be1995b8da [2023-11-12 00:54:02,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:54:02,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:54:02,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:54:02,849 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:54:02,850 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:54:02,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a35bba-017f-4b02-a598-30ff91d68a0e/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i [2023-11-12 00:54:06,206 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:54:07,022 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:54:07,025 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a35bba-017f-4b02-a598-30ff91d68a0e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i [2023-11-12 00:54:07,100 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a35bba-017f-4b02-a598-30ff91d68a0e/bin/utaipan-verify-NcY6lQBIFX/data/c92c45e7a/b9fd7fb2153b44728114acfc227eaf3a/FLAG05b320af2 [2023-11-12 00:54:07,117 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a35bba-017f-4b02-a598-30ff91d68a0e/bin/utaipan-verify-NcY6lQBIFX/data/c92c45e7a/b9fd7fb2153b44728114acfc227eaf3a [2023-11-12 00:54:07,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:54:07,123 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:54:07,124 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:54:07,125 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:54:07,131 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:54:07,132 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:54:07" (1/1) ... [2023-11-12 00:54:07,133 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fbb368f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:07, skipping insertion in model container [2023-11-12 00:54:07,133 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:54:07" (1/1) ... [2023-11-12 00:54:07,340 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:54:10,358 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_36a35bba-017f-4b02-a598-30ff91d68a0e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i[302849,302862] [2023-11-12 00:54:10,431 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:54:10,539 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:54:10,641 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3521] [2023-11-12 00:54:10,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3523] [2023-11-12 00:54:10,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3546] [2023-11-12 00:54:10,646 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3548] [2023-11-12 00:54:10,647 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] [2023-11-12 00:54:10,651 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)); [3664] [2023-11-12 00:54:10,652 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)); [3671] [2023-11-12 00:54:10,652 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 %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [3679-3680] [2023-11-12 00:54:10,653 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)); [3687] [2023-11-12 00:54:10,653 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; decl %0": "+m" (v->counter)); [3694] [2023-11-12 00:54:10,654 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"); [3705-3706] [2023-11-12 00:54:10,654 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; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3709-3710] [2023-11-12 00:54:10,656 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; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3713-3714] [2023-11-12 00:54:10,656 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"); [3717-3718] [2023-11-12 00:54:10,657 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; cmpxchgb %2,%1": "=a" (__ret), "+m" (*__ptr): "q" (__new), "0" (__old): "memory"); [3742-3743] [2023-11-12 00:54:10,658 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; cmpxchgw %2,%1": "=a" (__ret), "+m" (*__ptr___0): "r" (__new), "0" (__old): "memory"); [3747-3748] [2023-11-12 00:54:10,658 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; cmpxchgl %2,%1": "=a" (__ret), "+m" (*__ptr___1): "r" (__new), "0" (__old): "memory"); [3752-3753] [2023-11-12 00:54:10,659 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"); [3757-3758] [2023-11-12 00:54:10,661 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [3810] [2023-11-12 00:54:10,661 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [3813] [2023-11-12 00:54:10,661 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [3815] [2023-11-12 00:54:10,662 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [3820] [2023-11-12 00:54:10,662 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [3823] [2023-11-12 00:54:10,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [3825] [2023-11-12 00:54:10,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [3830] [2023-11-12 00:54:10,664 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [3833] [2023-11-12 00:54:10,664 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [3835] [2023-11-12 00:54:10,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [3840] [2023-11-12 00:54:10,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [3843] [2023-11-12 00:54:10,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [3845] [2023-11-12 00:54:10,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [3863] [2023-11-12 00:54:10,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [3866] [2023-11-12 00:54:10,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [3868] [2023-11-12 00:54:10,668 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [3873] [2023-11-12 00:54:10,668 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [3876] [2023-11-12 00:54:10,668 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [3878] [2023-11-12 00:54:10,669 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [3883] [2023-11-12 00:54:10,669 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [3886] [2023-11-12 00:54:10,670 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [3888] [2023-11-12 00:54:10,670 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [3893] [2023-11-12 00:54:10,670 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [3896] [2023-11-12 00:54:10,671 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [3898] [2023-11-12 00:54:10,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3941] [2023-11-12 00:54:10,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3948] [2023-11-12 00:54:10,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4185] [2023-11-12 00:54:10,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7407] [2023-11-12 00:54:11,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8927] [2023-11-12 00:54:11,108 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_36a35bba-017f-4b02-a598-30ff91d68a0e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i[302849,302862] [2023-11-12 00:54:11,117 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:54:11,386 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:54:11,386 WARN L672 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:54:11,386 WARN L672 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:54:11,387 WARN L672 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:54:11,387 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:54:11,388 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:54:11,398 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:54:11,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:11 WrapperNode [2023-11-12 00:54:11,399 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:54:11,401 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:54:11,402 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:54:11,402 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:54:11,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:11" (1/1) ... [2023-11-12 00:54:11,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:11" (1/1) ... [2023-11-12 00:54:11,781 INFO L138 Inliner]: procedures = 318, calls = 3906, calls flagged for inlining = 123, calls inlined = 81, statements flattened = 4858 [2023-11-12 00:54:11,782 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:54:11,783 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:54:11,783 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:54:11,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:54:11,794 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:11" (1/1) ... [2023-11-12 00:54:11,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:11" (1/1) ... [2023-11-12 00:54:11,830 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:11" (1/1) ... [2023-11-12 00:54:11,830 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:11" (1/1) ... [2023-11-12 00:54:12,116 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:11" (1/1) ... [2023-11-12 00:54:12,151 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:11" (1/1) ... [2023-11-12 00:54:12,199 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:11" (1/1) ... [2023-11-12 00:54:12,230 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:11" (1/1) ... [2023-11-12 00:54:12,280 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:54:12,282 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:54:12,282 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:54:12,282 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:54:12,284 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:11" (1/1) ... [2023-11-12 00:54:12,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:54:12,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a35bba-017f-4b02-a598-30ff91d68a0e/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:54:12,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a35bba-017f-4b02-a598-30ff91d68a0e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:54:12,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a35bba-017f-4b02-a598-30ff91d68a0e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:54:12,383 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2023-11-12 00:54:12,383 INFO L130 BoogieDeclarations]: Found specification of procedure smi_stats_proc_open [2023-11-12 00:54:12,384 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_stats_proc_open [2023-11-12 00:54:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-12 00:54:12,384 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-12 00:54:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:54:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2023-11-12 00:54:12,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2023-11-12 00:54:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:54:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:54:12,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:54:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:54:12,387 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:54:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure intf_find_seq [2023-11-12 00:54:12,387 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_find_seq [2023-11-12 00:54:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-12 00:54:12,388 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-12 00:54:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:54:12,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:54:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure handle_read_event_rsp [2023-11-12 00:54:12,389 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_read_event_rsp [2023-11-12 00:54:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2023-11-12 00:54:12,390 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2023-11-12 00:54:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure handle_ipmb_get_msg_cmd [2023-11-12 00:54:12,390 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_ipmb_get_msg_cmd [2023-11-12 00:54:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2023-11-12 00:54:12,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2023-11-12 00:54:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_poll [2023-11-12 00:54:12,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_poll [2023-11-12 00:54:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure handle_lan_get_msg_cmd [2023-11-12 00:54:12,391 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_lan_get_msg_cmd [2023-11-12 00:54:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure handle_bmc_rsp [2023-11-12 00:54:12,392 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_bmc_rsp [2023-11-12 00:54:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 00:54:12,392 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 00:54:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 00:54:12,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 00:54:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure __write_once_size [2023-11-12 00:54:12,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __write_once_size [2023-11-12 00:54:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure format_lan_msg [2023-11-12 00:54:12,394 INFO L138 BoogieDeclarations]: Found implementation of procedure format_lan_msg [2023-11-12 00:54:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-12 00:54:12,394 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-12 00:54:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:54:12,394 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:54:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_smi_msg [2023-11-12 00:54:12,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_smi_msg [2023-11-12 00:54:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure copy_event_into_recv_msg [2023-11-12 00:54:12,395 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_event_into_recv_msg [2023-11-12 00:54:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_panic_request_and_wait [2023-11-12 00:54:12,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_panic_request_and_wait [2023-11-12 00:54:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 00:54:12,396 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 00:54:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2023-11-12 00:54:12,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2023-11-12 00:54:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure handle_oem_get_msg_cmd [2023-11-12 00:54:12,397 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_oem_get_msg_cmd [2023-11-12 00:54:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:54:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 00:54:12,398 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 00:54:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2023-11-12 00:54:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2023-11-12 00:54:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure need_waiter [2023-11-12 00:54:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure need_waiter [2023-11-12 00:54:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:54:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-12 00:54:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 00:54:12,401 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 00:54:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure smi_send [2023-11-12 00:54:12,401 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_send [2023-11-12 00:54:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2023-11-12 00:54:12,401 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2023-11-12 00:54:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure smi_add_send_msg [2023-11-12 00:54:12,402 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_add_send_msg [2023-11-12 00:54:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure intf_next_seq [2023-11-12 00:54:12,403 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_next_seq [2023-11-12 00:54:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:54:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:54:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure find_cmd_rcvr [2023-11-12 00:54:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure find_cmd_rcvr [2023-11-12 00:54:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2023-11-12 00:54:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2023-11-12 00:54:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:54:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:54:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-12 00:54:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-12 00:54:12,406 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 00:54:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 00:54:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-12 00:54:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-12 00:54:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure i_ipmi_request [2023-11-12 00:54:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure i_ipmi_request [2023-11-12 00:54:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_init_msghandler [2023-11-12 00:54:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_init_msghandler [2023-11-12 00:54:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-12 00:54:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-12 00:54:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:54:12,412 INFO L130 BoogieDeclarations]: Found specification of procedure free_smi_msg_list [2023-11-12 00:54:12,413 INFO L138 BoogieDeclarations]: Found implementation of procedure free_smi_msg_list [2023-11-12 00:54:12,413 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-12 00:54:12,414 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-12 00:54:12,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:54:12,415 INFO L130 BoogieDeclarations]: Found specification of procedure clean_up_interface_data [2023-11-12 00:54:12,416 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_up_interface_data [2023-11-12 00:54:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOID [2023-11-12 00:54:12,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOID [2023-11-12 00:54:12,422 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2023-11-12 00:54:12,423 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2023-11-12 00:54:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-12 00:54:12,423 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-12 00:54:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_recv_msg [2023-11-12 00:54:12,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_recv_msg [2023-11-12 00:54:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:54:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure handle_ipmb_get_msg_rsp [2023-11-12 00:54:12,424 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_ipmb_get_msg_rsp [2023-11-12 00:54:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_err_response [2023-11-12 00:54:12,424 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_err_response [2023-11-12 00:54:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2023-11-12 00:54:12,424 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2023-11-12 00:54:12,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:54:12,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:54:12,425 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-12 00:54:12,425 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-12 00:54:12,425 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2023-11-12 00:54:12,425 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2023-11-12 00:54:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2023-11-12 00:54:12,426 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2023-11-12 00:54:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure smi_ipmb_proc_open [2023-11-12 00:54:12,426 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_ipmb_proc_open [2023-11-12 00:54:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure maintenance_mode_update [2023-11-12 00:54:12,426 INFO L138 BoogieDeclarations]: Found implementation of procedure maintenance_mode_update [2023-11-12 00:54:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:54:12,427 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:54:12,427 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-12 00:54:12,427 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-12 00:54:12,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:54:12,427 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2023-11-12 00:54:12,427 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2023-11-12 00:54:12,427 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-12 00:54:12,428 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-12 00:54:12,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:54:12,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:54:12,428 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-12 00:54:12,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-12 00:54:12,428 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_addr [2023-11-12 00:54:12,428 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_addr [2023-11-12 00:54:12,429 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2023-11-12 00:54:12,429 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2023-11-12 00:54:12,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-12 00:54:12,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-12 00:54:12,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:54:12,429 INFO L130 BoogieDeclarations]: Found specification of procedure handle_lan_get_msg_rsp [2023-11-12 00:54:12,430 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_lan_get_msg_rsp [2023-11-12 00:54:12,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-12 00:54:12,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-12 00:54:12,430 INFO L130 BoogieDeclarations]: Found specification of procedure smi_version_proc_open [2023-11-12 00:54:12,430 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_version_proc_open [2023-11-12 00:54:12,431 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2023-11-12 00:54:12,431 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2023-11-12 00:54:12,431 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_bcast_addr [2023-11-12 00:54:12,431 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_bcast_addr [2023-11-12 00:54:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-12 00:54:12,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-12 00:54:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:54:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure send_channel_info_cmd [2023-11-12 00:54:12,549 INFO L138 BoogieDeclarations]: Found implementation of procedure send_channel_info_cmd [2023-11-12 00:54:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-12 00:54:12,549 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-12 00:54:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure format_ipmb_msg [2023-11-12 00:54:12,550 INFO L138 BoogieDeclarations]: Found implementation of procedure format_ipmb_msg [2023-11-12 00:54:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:54:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-12 00:54:12,550 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-12 00:54:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure free_recv_msg_list [2023-11-12 00:54:12,550 INFO L138 BoogieDeclarations]: Found implementation of procedure free_recv_msg_list [2023-11-12 00:54:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 00:54:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure handle_one_recv_msg [2023-11-12 00:54:12,551 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_one_recv_msg [2023-11-12 00:54:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure intf_err_seq [2023-11-12 00:54:12,551 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_err_seq [2023-11-12 00:54:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:54:12,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:54:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2023-11-12 00:54:12,552 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2023-11-12 00:54:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-12 00:54:12,552 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-12 00:54:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-12 00:54:12,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-12 00:54:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_timeout [2023-11-12 00:54:12,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_timeout [2023-11-12 00:54:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2023-11-12 00:54:12,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2023-11-12 00:54:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 00:54:12,553 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 00:54:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2023-11-12 00:54:12,553 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2023-11-12 00:54:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_recv_msgs [2023-11-12 00:54:12,554 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_recv_msgs [2023-11-12 00:54:12,554 INFO L130 BoogieDeclarations]: Found specification of procedure is_lan_addr [2023-11-12 00:54:12,554 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lan_addr [2023-11-12 00:54:12,554 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:54:12,554 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:54:12,554 INFO L130 BoogieDeclarations]: Found specification of procedure intf_free [2023-11-12 00:54:12,555 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_free [2023-11-12 00:54:12,555 INFO L130 BoogieDeclarations]: Found specification of procedure smi_recv_tasklet [2023-11-12 00:54:12,555 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_recv_tasklet [2023-11-12 00:54:12,555 INFO L130 BoogieDeclarations]: Found specification of procedure ipmb_checksum [2023-11-12 00:54:12,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmb_checksum [2023-11-12 00:54:12,555 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_response [2023-11-12 00:54:12,555 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_response [2023-11-12 00:54:12,556 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-12 00:54:12,556 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-12 00:54:12,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:54:12,556 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-12 00:54:12,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-12 00:54:12,556 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2023-11-12 00:54:12,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2023-11-12 00:54:12,556 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-12 00:54:12,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:54:12,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:54:13,516 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:54:13,528 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:54:14,307 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:54:27,347 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:54:29,626 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:54:29,626 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:54:29,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:54:29 BoogieIcfgContainer [2023-11-12 00:54:29,634 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:54:29,651 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:54:29,651 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:54:29,655 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:54:29,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:54:07" (1/3) ... [2023-11-12 00:54:29,657 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651fd86b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:54:29, skipping insertion in model container [2023-11-12 00:54:29,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:11" (2/3) ... [2023-11-12 00:54:29,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651fd86b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:54:29, skipping insertion in model container [2023-11-12 00:54:29,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:54:29" (3/3) ... [2023-11-12 00:54:29,662 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i [2023-11-12 00:54:29,709 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:54:29,709 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:54:29,851 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:54:29,861 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;@7134da4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:54:29,862 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:54:29,876 INFO L276 IsEmpty]: Start isEmpty. Operand has 1495 states, 919 states have (on average 1.3928182807399347) internal successors, (1280), 1005 states have internal predecessors, (1280), 475 states have call successors, (475), 100 states have call predecessors, (475), 99 states have return successors, (457), 437 states have call predecessors, (457), 457 states have call successors, (457) [2023-11-12 00:54:29,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2023-11-12 00:54:29,937 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:29,938 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:54:29,939 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:54:29,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:29,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1263374336, now seen corresponding path program 1 times [2023-11-12 00:54:29,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:54:29,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755422458] [2023-11-12 00:54:29,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:29,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:54:31,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:33,178 INFO L134 CoverageAnalysis]: Checked inductivity of 7965 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7965 trivial. 0 not checked. [2023-11-12 00:54:33,179 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:54:33,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755422458] [2023-11-12 00:54:33,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755422458] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:54:33,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:54:33,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:54:33,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913489871] [2023-11-12 00:54:33,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:54:33,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:54:33,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:54:33,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:54:33,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:54:33,254 INFO L87 Difference]: Start difference. First operand has 1495 states, 919 states have (on average 1.3928182807399347) internal successors, (1280), 1005 states have internal predecessors, (1280), 475 states have call successors, (475), 100 states have call predecessors, (475), 99 states have return successors, (457), 437 states have call predecessors, (457), 457 states have call successors, (457) Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2023-11-12 00:54:35,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:54:40,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:54:40,219 INFO L93 Difference]: Finished difference Result 4198 states and 6220 transitions. [2023-11-12 00:54:40,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:54:40,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) Word has length 551 [2023-11-12 00:54:40,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:54:40,267 INFO L225 Difference]: With dead ends: 4198 [2023-11-12 00:54:40,267 INFO L226 Difference]: Without dead ends: 2769 [2023-11-12 00:54:40,280 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 [2023-11-12 00:54:40,283 INFO L413 NwaCegarLoop]: 2025 mSDtfsCounter, 1983 mSDsluCounter, 1982 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1983 SdHoareTripleChecker+Valid, 4007 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-11-12 00:54:40,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1983 Valid, 4007 Invalid, 373 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 369 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2023-11-12 00:54:40,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2769 states. [2023-11-12 00:54:40,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2769 to 2769. [2023-11-12 00:54:40,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2769 states, 1739 states have (on average 1.3852788959171938) internal successors, (2409), 1870 states have internal predecessors, (2409), 838 states have call successors, (838), 192 states have call predecessors, (838), 191 states have return successors, (837), 797 states have call predecessors, (837), 837 states have call successors, (837) [2023-11-12 00:54:40,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 2769 states and 4084 transitions. [2023-11-12 00:54:40,743 INFO L78 Accepts]: Start accepts. Automaton has 2769 states and 4084 transitions. Word has length 551 [2023-11-12 00:54:40,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:54:40,746 INFO L495 AbstractCegarLoop]: Abstraction has 2769 states and 4084 transitions. [2023-11-12 00:54:40,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2023-11-12 00:54:40,747 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 4084 transitions. [2023-11-12 00:54:40,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2023-11-12 00:54:40,762 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:40,763 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:54:40,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:54:40,763 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:54:40,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:40,764 INFO L85 PathProgramCache]: Analyzing trace with hash 614611480, now seen corresponding path program 1 times [2023-11-12 00:54:40,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:54:40,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722291452] [2023-11-12 00:54:40,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:40,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:54:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:42,788 INFO L134 CoverageAnalysis]: Checked inductivity of 7965 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7965 trivial. 0 not checked. [2023-11-12 00:54:42,789 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:54:42,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722291452] [2023-11-12 00:54:42,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722291452] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:54:42,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:54:42,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 00:54:42,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312237033] [2023-11-12 00:54:42,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:54:42,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:54:42,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:54:42,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:54:42,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:54:42,796 INFO L87 Difference]: Start difference. First operand 2769 states and 4084 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (55), 3 states have call predecessors, (55), 2 states have return successors, (54), 3 states have call predecessors, (54), 2 states have call successors, (54) [2023-11-12 00:54:44,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:54:46,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:54:49,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []