./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6d6f97-1c87-4926-9472-6f0cfb0b5bbb/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6d6f97-1c87-4926-9472-6f0cfb0b5bbb/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_4d6d6f97-1c87-4926-9472-6f0cfb0b5bbb/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6d6f97-1c87-4926-9472-6f0cfb0b5bbb/bin/utaipan-verify-t7M7D8N6sZ/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_4d6d6f97-1c87-4926-9472-6f0cfb0b5bbb/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_4d6d6f97-1c87-4926-9472-6f0cfb0b5bbb/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 40ab708e219f84bb7ba4362e0569b71b9ae13cfa586a42c01067e9be1995b8da --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:18:44,430 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:18:44,493 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6d6f97-1c87-4926-9472-6f0cfb0b5bbb/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:18:44,499 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:18:44,500 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:18:44,524 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:18:44,524 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:18:44,525 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:18:44,526 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:18:44,526 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:18:44,527 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:18:44,528 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:18:44,528 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:18:44,529 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:18:44,529 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:18:44,530 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:18:44,530 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:18:44,531 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:18:44,532 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:18:44,532 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:18:44,533 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:18:44,534 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:18:44,534 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:18:44,535 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:18:44,535 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:18:44,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:18:44,536 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:18:44,537 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:18:44,537 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:18:44,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:18:44,538 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:18:44,539 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:18:44,539 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:18:44,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:18:44,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:18:44,540 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:18:44,540 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:18:44,541 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:18:44,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:18:44,541 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:18:44,541 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:18:44,542 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:18:44,542 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_4d6d6f97-1c87-4926-9472-6f0cfb0b5bbb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6d6f97-1c87-4926-9472-6f0cfb0b5bbb/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40ab708e219f84bb7ba4362e0569b71b9ae13cfa586a42c01067e9be1995b8da [2023-11-19 04:18:44,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:18:44,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:18:44,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:18:44,832 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:18:44,834 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:18:44,835 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6d6f97-1c87-4926-9472-6f0cfb0b5bbb/bin/utaipan-verify-t7M7D8N6sZ/../../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 [2023-11-19 04:18:48,179 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:18:48,832 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:18:48,833 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6d6f97-1c87-4926-9472-6f0cfb0b5bbb/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 [2023-11-19 04:18:48,888 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6d6f97-1c87-4926-9472-6f0cfb0b5bbb/bin/utaipan-verify-t7M7D8N6sZ/data/2cd2d7a11/b005428f23d64331b2e74e0844ea1d7a/FLAG07c0bd3ca [2023-11-19 04:18:48,906 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6d6f97-1c87-4926-9472-6f0cfb0b5bbb/bin/utaipan-verify-t7M7D8N6sZ/data/2cd2d7a11/b005428f23d64331b2e74e0844ea1d7a [2023-11-19 04:18:48,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:18:48,917 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:18:48,921 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:18:48,922 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:18:48,928 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:18:48,928 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:18:48" (1/1) ... [2023-11-19 04:18:48,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a63ae35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:48, skipping insertion in model container [2023-11-19 04:18:48,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:18:48" (1/1) ... [2023-11-19 04:18:49,120 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:18:51,846 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_4d6d6f97-1c87-4926-9472-6f0cfb0b5bbb/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] [2023-11-19 04:18:51,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:18:52,046 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:18:52,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3521] [2023-11-19 04:18:52,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3523] [2023-11-19 04:18:52,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3546] [2023-11-19 04:18:52,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3548] [2023-11-19 04:18:52,164 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 04:18:52,169 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] [2023-11-19 04:18:52,169 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] [2023-11-19 04:18:52,170 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] [2023-11-19 04:18:52,171 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] [2023-11-19 04:18:52,172 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] [2023-11-19 04:18:52,173 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] [2023-11-19 04:18:52,174 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] [2023-11-19 04:18:52,176 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] [2023-11-19 04:18:52,177 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] [2023-11-19 04:18:52,178 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] [2023-11-19 04:18:52,179 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] [2023-11-19 04:18:52,179 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] [2023-11-19 04:18:52,180 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] [2023-11-19 04:18:52,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [3810] [2023-11-19 04:18:52,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [3813] [2023-11-19 04:18:52,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [3815] [2023-11-19 04:18:52,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [3820] [2023-11-19 04:18:52,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [3823] [2023-11-19 04:18:52,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [3825] [2023-11-19 04:18:52,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [3830] [2023-11-19 04:18:52,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [3833] [2023-11-19 04:18:52,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [3835] [2023-11-19 04:18:52,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [3840] [2023-11-19 04:18:52,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [3843] [2023-11-19 04:18:52,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [3845] [2023-11-19 04:18:52,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [3863] [2023-11-19 04:18:52,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [3866] [2023-11-19 04:18:52,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [3868] [2023-11-19 04:18:52,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [3873] [2023-11-19 04:18:52,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [3876] [2023-11-19 04:18:52,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [3878] [2023-11-19 04:18:52,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [3883] [2023-11-19 04:18:52,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [3886] [2023-11-19 04:18:52,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [3888] [2023-11-19 04:18:52,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [3893] [2023-11-19 04:18:52,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [3896] [2023-11-19 04:18:52,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [3898] [2023-11-19 04:18:52,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3941] [2023-11-19 04:18:52,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3948] [2023-11-19 04:18:52,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4185] [2023-11-19 04:18:52,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7407] [2023-11-19 04:18:52,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8927] [2023-11-19 04:18:52,638 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_4d6d6f97-1c87-4926-9472-6f0cfb0b5bbb/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] [2023-11-19 04:18:52,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:18:52,856 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:18:52,856 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:18:52,856 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:18:52,857 WARN L675 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:18:52,857 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:18:52,857 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:18:52,865 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:18:52,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:52 WrapperNode [2023-11-19 04:18:52,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:18:52,867 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:18:52,867 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:18:52,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:18:52,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:52" (1/1) ... [2023-11-19 04:18:52,979 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:52" (1/1) ... [2023-11-19 04:18:53,190 INFO L138 Inliner]: procedures = 318, calls = 3906, calls flagged for inlining = 123, calls inlined = 81, statements flattened = 4858 [2023-11-19 04:18:53,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:18:53,193 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:18:53,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:18:53,193 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:18:53,205 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:52" (1/1) ... [2023-11-19 04:18:53,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:52" (1/1) ... [2023-11-19 04:18:53,338 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:52" (1/1) ... [2023-11-19 04:18:53,339 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:52" (1/1) ... [2023-11-19 04:18:53,498 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:52" (1/1) ... [2023-11-19 04:18:53,525 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:52" (1/1) ... [2023-11-19 04:18:53,555 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:52" (1/1) ... [2023-11-19 04:18:53,571 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:52" (1/1) ... [2023-11-19 04:18:53,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:18:53,608 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:18:53,608 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:18:53,608 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:18:53,609 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:52" (1/1) ... [2023-11-19 04:18:53,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:18:53,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6d6f97-1c87-4926-9472-6f0cfb0b5bbb/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:18:53,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6d6f97-1c87-4926-9472-6f0cfb0b5bbb/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:18:53,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6d6f97-1c87-4926-9472-6f0cfb0b5bbb/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:18:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2023-11-19 04:18:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure smi_stats_proc_open [2023-11-19 04:18:53,705 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_stats_proc_open [2023-11-19 04:18:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-19 04:18:53,705 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-19 04:18:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:18:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2023-11-19 04:18:53,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2023-11-19 04:18:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:18:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:18:53,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:18:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:18:53,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:18:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure intf_find_seq [2023-11-19 04:18:53,709 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_find_seq [2023-11-19 04:18:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-19 04:18:53,709 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-19 04:18:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:18:53,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:18:53,710 INFO L130 BoogieDeclarations]: Found specification of procedure handle_read_event_rsp [2023-11-19 04:18:53,710 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_read_event_rsp [2023-11-19 04:18:53,710 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2023-11-19 04:18:53,711 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2023-11-19 04:18:53,712 INFO L130 BoogieDeclarations]: Found specification of procedure handle_ipmb_get_msg_cmd [2023-11-19 04:18:53,712 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_ipmb_get_msg_cmd [2023-11-19 04:18:53,712 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2023-11-19 04:18:53,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2023-11-19 04:18:53,712 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_poll [2023-11-19 04:18:53,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_poll [2023-11-19 04:18:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure handle_lan_get_msg_cmd [2023-11-19 04:18:53,713 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_lan_get_msg_cmd [2023-11-19 04:18:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure handle_bmc_rsp [2023-11-19 04:18:53,713 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_bmc_rsp [2023-11-19 04:18:53,714 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 04:18:53,714 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 04:18:53,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 04:18:53,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 04:18:53,715 INFO L130 BoogieDeclarations]: Found specification of procedure __write_once_size [2023-11-19 04:18:53,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __write_once_size [2023-11-19 04:18:53,715 INFO L130 BoogieDeclarations]: Found specification of procedure format_lan_msg [2023-11-19 04:18:53,716 INFO L138 BoogieDeclarations]: Found implementation of procedure format_lan_msg [2023-11-19 04:18:53,716 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 04:18:53,716 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 04:18:53,717 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:18:53,717 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:18:53,717 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_smi_msg [2023-11-19 04:18:53,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_smi_msg [2023-11-19 04:18:53,717 INFO L130 BoogieDeclarations]: Found specification of procedure copy_event_into_recv_msg [2023-11-19 04:18:53,717 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_event_into_recv_msg [2023-11-19 04:18:53,718 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_panic_request_and_wait [2023-11-19 04:18:53,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_panic_request_and_wait [2023-11-19 04:18:53,718 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 04:18:53,718 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 04:18:53,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2023-11-19 04:18:53,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2023-11-19 04:18:53,719 INFO L130 BoogieDeclarations]: Found specification of procedure handle_oem_get_msg_cmd [2023-11-19 04:18:53,719 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_oem_get_msg_cmd [2023-11-19 04:18:53,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:18:53,720 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 04:18:53,720 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 04:18:53,720 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2023-11-19 04:18:53,720 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2023-11-19 04:18:53,721 INFO L130 BoogieDeclarations]: Found specification of procedure need_waiter [2023-11-19 04:18:53,721 INFO L138 BoogieDeclarations]: Found implementation of procedure need_waiter [2023-11-19 04:18:53,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:18:53,722 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-19 04:18:53,722 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 04:18:53,722 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 04:18:53,722 INFO L130 BoogieDeclarations]: Found specification of procedure smi_send [2023-11-19 04:18:53,723 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_send [2023-11-19 04:18:53,723 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2023-11-19 04:18:53,723 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2023-11-19 04:18:53,723 INFO L130 BoogieDeclarations]: Found specification of procedure smi_add_send_msg [2023-11-19 04:18:53,723 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_add_send_msg [2023-11-19 04:18:53,725 INFO L130 BoogieDeclarations]: Found specification of procedure intf_next_seq [2023-11-19 04:18:53,725 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_next_seq [2023-11-19 04:18:53,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:18:53,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:18:53,725 INFO L130 BoogieDeclarations]: Found specification of procedure find_cmd_rcvr [2023-11-19 04:18:53,726 INFO L138 BoogieDeclarations]: Found implementation of procedure find_cmd_rcvr [2023-11-19 04:18:53,726 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2023-11-19 04:18:53,726 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2023-11-19 04:18:53,726 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:18:53,726 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:18:53,727 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 04:18:53,727 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 04:18:53,727 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 04:18:53,727 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 04:18:53,727 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 04:18:53,728 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 04:18:53,728 INFO L130 BoogieDeclarations]: Found specification of procedure i_ipmi_request [2023-11-19 04:18:53,728 INFO L138 BoogieDeclarations]: Found implementation of procedure i_ipmi_request [2023-11-19 04:18:53,728 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_init_msghandler [2023-11-19 04:18:53,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_init_msghandler [2023-11-19 04:18:53,728 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 04:18:53,729 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 04:18:53,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:18:53,729 INFO L130 BoogieDeclarations]: Found specification of procedure free_smi_msg_list [2023-11-19 04:18:53,729 INFO L138 BoogieDeclarations]: Found implementation of procedure free_smi_msg_list [2023-11-19 04:18:53,729 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 04:18:53,729 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 04:18:53,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:18:53,730 INFO L130 BoogieDeclarations]: Found specification of procedure clean_up_interface_data [2023-11-19 04:18:53,730 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_up_interface_data [2023-11-19 04:18:53,730 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOID [2023-11-19 04:18:53,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOID [2023-11-19 04:18:53,730 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2023-11-19 04:18:53,731 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2023-11-19 04:18:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-19 04:18:53,731 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-19 04:18:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_recv_msg [2023-11-19 04:18:53,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_recv_msg [2023-11-19 04:18:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:18:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure handle_ipmb_get_msg_rsp [2023-11-19 04:18:53,732 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_ipmb_get_msg_rsp [2023-11-19 04:18:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_err_response [2023-11-19 04:18:53,732 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_err_response [2023-11-19 04:18:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2023-11-19 04:18:53,732 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2023-11-19 04:18:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 04:18:53,733 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 04:18:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-19 04:18:53,733 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-19 04:18:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2023-11-19 04:18:53,733 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2023-11-19 04:18:53,734 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2023-11-19 04:18:53,734 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2023-11-19 04:18:53,734 INFO L130 BoogieDeclarations]: Found specification of procedure smi_ipmb_proc_open [2023-11-19 04:18:53,734 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_ipmb_proc_open [2023-11-19 04:18:53,734 INFO L130 BoogieDeclarations]: Found specification of procedure maintenance_mode_update [2023-11-19 04:18:53,734 INFO L138 BoogieDeclarations]: Found implementation of procedure maintenance_mode_update [2023-11-19 04:18:53,734 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 04:18:53,735 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 04:18:53,735 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 04:18:53,735 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 04:18:53,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:18:53,735 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2023-11-19 04:18:53,735 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2023-11-19 04:18:53,736 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-19 04:18:53,736 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-19 04:18:53,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:18:53,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:18:53,736 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-19 04:18:53,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-19 04:18:53,736 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_addr [2023-11-19 04:18:53,737 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_addr [2023-11-19 04:18:53,737 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2023-11-19 04:18:53,737 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2023-11-19 04:18:53,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 04:18:53,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 04:18:53,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:18:53,738 INFO L130 BoogieDeclarations]: Found specification of procedure handle_lan_get_msg_rsp [2023-11-19 04:18:53,738 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_lan_get_msg_rsp [2023-11-19 04:18:53,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 04:18:53,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 04:18:53,738 INFO L130 BoogieDeclarations]: Found specification of procedure smi_version_proc_open [2023-11-19 04:18:53,738 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_version_proc_open [2023-11-19 04:18:53,738 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2023-11-19 04:18:53,739 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2023-11-19 04:18:53,740 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_bcast_addr [2023-11-19 04:18:53,740 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_bcast_addr [2023-11-19 04:18:53,740 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-19 04:18:53,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-19 04:18:53,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:18:53,741 INFO L130 BoogieDeclarations]: Found specification of procedure send_channel_info_cmd [2023-11-19 04:18:53,741 INFO L138 BoogieDeclarations]: Found implementation of procedure send_channel_info_cmd [2023-11-19 04:18:53,741 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-19 04:18:53,741 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-19 04:18:53,741 INFO L130 BoogieDeclarations]: Found specification of procedure format_ipmb_msg [2023-11-19 04:18:53,741 INFO L138 BoogieDeclarations]: Found implementation of procedure format_ipmb_msg [2023-11-19 04:18:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:18:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-19 04:18:53,743 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-19 04:18:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure free_recv_msg_list [2023-11-19 04:18:53,744 INFO L138 BoogieDeclarations]: Found implementation of procedure free_recv_msg_list [2023-11-19 04:18:53,744 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 04:18:53,744 INFO L130 BoogieDeclarations]: Found specification of procedure handle_one_recv_msg [2023-11-19 04:18:53,744 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_one_recv_msg [2023-11-19 04:18:53,744 INFO L130 BoogieDeclarations]: Found specification of procedure intf_err_seq [2023-11-19 04:18:53,744 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_err_seq [2023-11-19 04:18:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:18:53,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:18:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2023-11-19 04:18:53,745 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2023-11-19 04:18:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-19 04:18:53,745 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-19 04:18:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-19 04:18:53,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-19 04:18:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_timeout [2023-11-19 04:18:53,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_timeout [2023-11-19 04:18:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2023-11-19 04:18:53,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2023-11-19 04:18:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 04:18:53,746 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 04:18:53,747 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2023-11-19 04:18:53,747 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2023-11-19 04:18:53,747 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_recv_msgs [2023-11-19 04:18:53,747 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_recv_msgs [2023-11-19 04:18:53,747 INFO L130 BoogieDeclarations]: Found specification of procedure is_lan_addr [2023-11-19 04:18:53,747 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lan_addr [2023-11-19 04:18:53,747 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 04:18:53,748 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 04:18:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure intf_free [2023-11-19 04:18:53,748 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_free [2023-11-19 04:18:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure smi_recv_tasklet [2023-11-19 04:18:53,748 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_recv_tasklet [2023-11-19 04:18:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure ipmb_checksum [2023-11-19 04:18:53,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmb_checksum [2023-11-19 04:18:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_response [2023-11-19 04:18:53,749 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_response [2023-11-19 04:18:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-19 04:18:53,749 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-19 04:18:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:18:53,750 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 04:18:53,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 04:18:53,750 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2023-11-19 04:18:53,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2023-11-19 04:18:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-19 04:18:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:18:53,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:18:54,753 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:18:54,758 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:18:55,553 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:19:07,328 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:19:09,478 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:19:09,479 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:19:09,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:19:09 BoogieIcfgContainer [2023-11-19 04:19:09,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:19:09,509 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:19:09,509 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:19:09,513 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:19:09,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:18:48" (1/3) ... [2023-11-19 04:19:09,514 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3573962d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:19:09, skipping insertion in model container [2023-11-19 04:19:09,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:52" (2/3) ... [2023-11-19 04:19:09,514 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3573962d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:19:09, skipping insertion in model container [2023-11-19 04:19:09,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:19:09" (3/3) ... [2023-11-19 04:19:09,516 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i [2023-11-19 04:19:09,538 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:19:09,538 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:19:09,631 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:19:09,640 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;@682e7364, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:19:09,640 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:19:09,652 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) [2023-11-19 04:19:09,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2023-11-19 04:19:09,697 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:19:09,698 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] [2023-11-19 04:19:09,699 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:19:09,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:19:09,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1263374336, now seen corresponding path program 1 times [2023-11-19 04:19:09,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:19:09,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797051158] [2023-11-19 04:19:09,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:19:09,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:19:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:19:12,459 INFO L134 CoverageAnalysis]: Checked inductivity of 7965 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7965 trivial. 0 not checked. [2023-11-19 04:19:12,460 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:19:12,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797051158] [2023-11-19 04:19:12,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797051158] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:19:12,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:19:12,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:19:12,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929341508] [2023-11-19 04:19:12,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:19:12,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:19:12,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:19:12,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:19:12,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:19:12,516 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) [2023-11-19 04:19:17,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:19:17,437 INFO L93 Difference]: Finished difference Result 4198 states and 6220 transitions. [2023-11-19 04:19:17,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:19:17,440 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 [2023-11-19 04:19:17,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:19:17,497 INFO L225 Difference]: With dead ends: 4198 [2023-11-19 04:19:17,497 INFO L226 Difference]: Without dead ends: 2769 [2023-11-19 04:19:17,514 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 04:19:17,519 INFO L413 NwaCegarLoop]: 2025 mSDtfsCounter, 1983 mSDsluCounter, 1982 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1983 SdHoareTripleChecker+Valid, 4007 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-19 04:19:17,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1983 Valid, 4007 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-11-19 04:19:17,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2769 states. [2023-11-19 04:19:17,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2769 to 2769. [2023-11-19 04:19:17,864 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) [2023-11-19 04:19:17,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 2769 states and 4084 transitions. [2023-11-19 04:19:17,908 INFO L78 Accepts]: Start accepts. Automaton has 2769 states and 4084 transitions. Word has length 551 [2023-11-19 04:19:17,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:19:17,920 INFO L495 AbstractCegarLoop]: Abstraction has 2769 states and 4084 transitions. [2023-11-19 04:19:17,921 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) [2023-11-19 04:19:17,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 4084 transitions. [2023-11-19 04:19:17,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2023-11-19 04:19:17,949 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:19:17,950 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] [2023-11-19 04:19:17,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:19:17,951 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:19:17,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:19:17,952 INFO L85 PathProgramCache]: Analyzing trace with hash 614611480, now seen corresponding path program 1 times [2023-11-19 04:19:17,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:19:17,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366255896] [2023-11-19 04:19:17,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:19:17,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:19:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:19:20,384 INFO L134 CoverageAnalysis]: Checked inductivity of 7965 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7965 trivial. 0 not checked. [2023-11-19 04:19:20,385 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:19:20,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366255896] [2023-11-19 04:19:20,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366255896] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:19:20,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:19:20,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:19:20,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621615206] [2023-11-19 04:19:20,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:19:20,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:19:20,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:19:20,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:19:20,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:19:20,402 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) [2023-11-19 04:19:25,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []