./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--st.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_cdb5d19d-3dbc-4562-a66c-454ca5fda41a/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5d19d-3dbc-4562-a66c-454ca5fda41a/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5d19d-3dbc-4562-a66c-454ca5fda41a/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5d19d-3dbc-4562-a66c-454ca5fda41a/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--st.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5d19d-3dbc-4562-a66c-454ca5fda41a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5d19d-3dbc-4562-a66c-454ca5fda41a/bin/utaipan-verify-mE87zJ7Ire --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 690e5ddfda68a7db304fad8d47292bfd797939e2371e46066adb3eacde28ef38 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:15:56,003 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:15:56,122 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5d19d-3dbc-4562-a66c-454ca5fda41a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:15:56,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:15:56,129 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:15:56,159 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:15:56,162 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:15:56,162 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:15:56,164 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:15:56,168 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:15:56,169 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:15:56,170 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:15:56,170 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:15:56,172 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:15:56,173 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:15:56,173 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:15:56,174 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:15:56,174 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:15:56,175 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:15:56,175 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:15:56,176 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:15:56,176 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:15:56,178 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:15:56,178 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:15:56,179 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:15:56,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:15:56,180 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:15:56,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:15:56,181 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:15:56,181 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:15:56,182 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:15:56,183 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:15:56,183 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:15:56,183 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:15:56,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:56,185 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:15:56,185 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:15:56,185 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:15:56,186 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:15:56,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:15:56,186 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:15:56,187 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:15:56,187 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:15:56,187 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:15:56,188 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_cdb5d19d-3dbc-4562-a66c-454ca5fda41a/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5d19d-3dbc-4562-a66c-454ca5fda41a/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 690e5ddfda68a7db304fad8d47292bfd797939e2371e46066adb3eacde28ef38 [2023-11-23 21:15:56,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:15:56,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:15:56,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:15:56,529 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:15:56,529 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:15:56,531 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5d19d-3dbc-4562-a66c-454ca5fda41a/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--st.ko-entry_point.cil.out.i [2023-11-23 21:15:59,621 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:16:00,394 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:16:00,395 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5d19d-3dbc-4562-a66c-454ca5fda41a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--st.ko-entry_point.cil.out.i [2023-11-23 21:16:00,451 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5d19d-3dbc-4562-a66c-454ca5fda41a/bin/utaipan-verify-mE87zJ7Ire/data/f2847950b/66e9bf7c72ca41879f3687f219a7fb39/FLAG2217e770e [2023-11-23 21:16:00,467 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5d19d-3dbc-4562-a66c-454ca5fda41a/bin/utaipan-verify-mE87zJ7Ire/data/f2847950b/66e9bf7c72ca41879f3687f219a7fb39 [2023-11-23 21:16:00,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:16:00,477 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:16:00,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:16:00,482 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:16:00,488 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:16:00,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:16:00" (1/1) ... [2023-11-23 21:16:00,490 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a2e77b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:00, skipping insertion in model container [2023-11-23 21:16:00,490 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:16:00" (1/1) ... [2023-11-23 21:16:00,680 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:16:03,383 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_cdb5d19d-3dbc-4562-a66c-454ca5fda41a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--st.ko-entry_point.cil.out.i[343246,343259] [2023-11-23 21:16:03,438 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-23 21:16:03,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:16:03,506 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:16:03,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4416] [2023-11-23 21:16:03,710 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4418] [2023-11-23 21:16:03,711 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 %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4428] [2023-11-23 21:16:03,711 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [4436-4437] [2023-11-23 21:16:03,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4553] [2023-11-23 21:16:03,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4556] [2023-11-23 21:16:03,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4559] [2023-11-23 21:16:03,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4562] [2023-11-23 21:16:03,718 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"); [4598-4599] [2023-11-23 21:16:03,718 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"); [4610-4611] [2023-11-23 21:16:03,719 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"); [4614-4615] [2023-11-23 21:16:03,719 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"); [4618-4619] [2023-11-23 21:16:03,720 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"); [4622-4623] [2023-11-23 21:16:03,721 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; addq %1,%0": "=m" (v->counter): "er" (i), "m" (v->counter)); [4643-4644] [2023-11-23 21:16:03,721 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; incq %0": "=m" (v->counter): "m" (v->counter)); [4651] [2023-11-23 21:16:03,721 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; decq %0": "=m" (v->counter): "m" (v->counter)); [4658] [2023-11-23 21:16:03,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [4689] [2023-11-23 21:16:03,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [4692] [2023-11-23 21:16:03,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [4694] [2023-11-23 21:16:03,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [4699] [2023-11-23 21:16:03,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [4702] [2023-11-23 21:16:03,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [4704] [2023-11-23 21:16:03,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [4709] [2023-11-23 21:16:03,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [4712] [2023-11-23 21:16:03,726 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [4714] [2023-11-23 21:16:03,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [4719] [2023-11-23 21:16:03,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [4722] [2023-11-23 21:16:03,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [4724] [2023-11-23 21:16:03,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4779] [2023-11-23 21:16:04,204 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_cdb5d19d-3dbc-4562-a66c-454ca5fda41a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--st.ko-entry_point.cil.out.i[343246,343259] [2023-11-23 21:16:04,209 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-23 21:16:04,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:16:04,346 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:16:04,346 WARN L675 CHandler]: The function ldv_xmalloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:16:04,347 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:16:04,347 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:16:04,347 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:16:04,355 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:16:04,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:04 WrapperNode [2023-11-23 21:16:04,356 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:16:04,357 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:16:04,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:16:04,357 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:16:04,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:04" (1/1) ... [2023-11-23 21:16:04,521 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:04" (1/1) ... [2023-11-23 21:16:04,829 INFO L138 Inliner]: procedures = 267, calls = 4560, calls flagged for inlining = 132, calls inlined = 125, statements flattened = 10575 [2023-11-23 21:16:04,830 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:16:04,831 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:16:04,831 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:16:04,831 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:16:04,841 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:04" (1/1) ... [2023-11-23 21:16:04,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:04" (1/1) ... [2023-11-23 21:16:04,899 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:04" (1/1) ... [2023-11-23 21:16:04,900 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:04" (1/1) ... [2023-11-23 21:16:05,215 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:04" (1/1) ... [2023-11-23 21:16:05,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:04" (1/1) ... [2023-11-23 21:16:05,385 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:04" (1/1) ... [2023-11-23 21:16:05,420 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:04" (1/1) ... [2023-11-23 21:16:05,498 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:16:05,499 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:16:05,500 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:16:05,500 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:16:05,501 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:04" (1/1) ... [2023-11-23 21:16:05,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:16:05,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5d19d-3dbc-4562-a66c-454ca5fda41a/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:16:05,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5d19d-3dbc-4562-a66c-454ca5fda41a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:16:05,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5d19d-3dbc-4562-a66c-454ca5fda41a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:16:05,585 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_print_sense [2023-11-23 21:16:05,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_print_sense [2023-11-23 21:16:05,585 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-23 21:16:05,586 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-23 21:16:05,586 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-23 21:16:05,586 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2023-11-23 21:16:05,586 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2023-11-23 21:16:05,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:16:05,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:16:05,587 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2023-11-23 21:16:05,587 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_remove_file [2023-11-23 21:16:05,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:16:05,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:16:05,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:16:05,587 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:16:05,588 INFO L130 BoogieDeclarations]: Found specification of procedure find_partition [2023-11-23 21:16:05,588 INFO L138 BoogieDeclarations]: Found implementation of procedure find_partition [2023-11-23 21:16:05,588 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-23 21:16:05,588 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-23 21:16:05,588 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2023-11-23 21:16:05,588 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2023-11-23 21:16:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-23 21:16:05,589 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-23 21:16:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-23 21:16:05,589 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-23 21:16:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:16:05,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:16:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure class_unregister [2023-11-23 21:16:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure class_unregister [2023-11-23 21:16:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-11-23 21:16:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-11-23 21:16:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:16:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:16:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:16:05,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:16:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2023-11-23 21:16:05,591 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2023-11-23 21:16:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:16:05,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:16:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:16:05,592 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:16:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure st_int_ioctl [2023-11-23 21:16:05,592 INFO L138 BoogieDeclarations]: Found implementation of procedure st_int_ioctl [2023-11-23 21:16:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_rq_timeout [2023-11-23 21:16:05,592 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_rq_timeout [2023-11-23 21:16:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode_densblk [2023-11-23 21:16:05,593 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode_densblk [2023-11-23 21:16:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2023-11-23 21:16:05,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2023-11-23 21:16:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:16:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:16:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2023-11-23 21:16:05,594 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2023-11-23 21:16:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure read_mode_page [2023-11-23 21:16:05,594 INFO L138 BoogieDeclarations]: Found implementation of procedure read_mode_page [2023-11-23 21:16:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2023-11-23 21:16:05,594 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2023-11-23 21:16:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:16:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2023-11-23 21:16:05,595 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2023-11-23 21:16:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:16:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure st_do_scsi [2023-11-23 21:16:05,595 INFO L138 BoogieDeclarations]: Found implementation of procedure st_do_scsi [2023-11-23 21:16:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-23 21:16:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:16:05,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:16:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-23 21:16:05,596 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-23 21:16:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_inc [2023-11-23 21:16:05,596 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_inc [2023-11-23 21:16:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2023-11-23 21:16:05,597 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2023-11-23 21:16:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:16:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure st_release_request [2023-11-23 21:16:05,597 INFO L138 BoogieDeclarations]: Found implementation of procedure st_release_request [2023-11-23 21:16:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:16:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure remove_cdevs [2023-11-23 21:16:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_cdevs [2023-11-23 21:16:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:16:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:16:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-23 21:16:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-23 21:16:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure get_location [2023-11-23 21:16:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure get_location [2023-11-23 21:16:05,599 INFO L130 BoogieDeclarations]: Found specification of procedure st_compression [2023-11-23 21:16:05,599 INFO L138 BoogieDeclarations]: Found implementation of procedure st_compression [2023-11-23 21:16:05,599 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_autopm_put_device [2023-11-23 21:16:05,599 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_autopm_put_device [2023-11-23 21:16:05,599 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-23 21:16:05,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-23 21:16:05,600 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2023-11-23 21:16:05,600 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2023-11-23 21:16:05,600 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:16:05,600 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:16:05,600 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-23 21:16:05,600 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-23 21:16:05,600 INFO L130 BoogieDeclarations]: Found specification of procedure check_tape [2023-11-23 21:16:05,601 INFO L138 BoogieDeclarations]: Found implementation of procedure check_tape [2023-11-23 21:16:05,601 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 21:16:05,601 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 21:16:05,601 INFO L130 BoogieDeclarations]: Found specification of procedure switch_partition [2023-11-23 21:16:05,601 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_partition [2023-11-23 21:16:05,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:16:05,602 INFO L130 BoogieDeclarations]: Found specification of procedure setup_buffering [2023-11-23 21:16:05,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_buffering [2023-11-23 21:16:05,602 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-23 21:16:05,602 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-23 21:16:05,602 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tape_put [2023-11-23 21:16:05,602 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tape_put [2023-11-23 21:16:05,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:16:05,603 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_ioctl [2023-11-23 21:16:05,603 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_ioctl [2023-11-23 21:16:05,603 INFO L130 BoogieDeclarations]: Found specification of procedure st_log_options [2023-11-23 21:16:05,603 INFO L138 BoogieDeclarations]: Found implementation of procedure st_log_options [2023-11-23 21:16:05,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:16:05,603 INFO L130 BoogieDeclarations]: Found specification of procedure create_one_cdev [2023-11-23 21:16:05,604 INFO L138 BoogieDeclarations]: Found implementation of procedure create_one_cdev [2023-11-23 21:16:05,604 INFO L130 BoogieDeclarations]: Found specification of procedure queue_dma_alignment [2023-11-23 21:16:05,604 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_dma_alignment [2023-11-23 21:16:05,604 INFO L130 BoogieDeclarations]: Found specification of procedure do_load_unload [2023-11-23 21:16:05,604 INFO L138 BoogieDeclarations]: Found implementation of procedure do_load_unload [2023-11-23 21:16:05,604 INFO L130 BoogieDeclarations]: Found specification of procedure st_flush_write_buffer [2023-11-23 21:16:05,605 INFO L138 BoogieDeclarations]: Found implementation of procedure st_flush_write_buffer [2023-11-23 21:16:05,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:16:05,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:16:05,605 INFO L130 BoogieDeclarations]: Found specification of procedure enlarge_buffer [2023-11-23 21:16:05,605 INFO L138 BoogieDeclarations]: Found implementation of procedure enlarge_buffer [2023-11-23 21:16:05,605 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2023-11-23 21:16:05,605 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2023-11-23 21:16:05,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 21:16:05,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 21:16:05,606 INFO L130 BoogieDeclarations]: Found specification of procedure st_chk_result [2023-11-23 21:16:05,606 INFO L138 BoogieDeclarations]: Found implementation of procedure st_chk_result [2023-11-23 21:16:05,606 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:16:05,606 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:16:05,607 INFO L130 BoogieDeclarations]: Found specification of procedure write_behind_check [2023-11-23 21:16:05,607 INFO L138 BoogieDeclarations]: Found implementation of procedure write_behind_check [2023-11-23 21:16:05,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:16:05,607 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-23 21:16:05,607 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-23 21:16:05,607 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-23 21:16:05,607 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-23 21:16:05,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:16:05,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:16:05,608 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-23 21:16:05,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-23 21:16:05,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 21:16:05,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 21:16:05,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:16:05,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 21:16:05,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 21:16:05,609 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-23 21:16:05,609 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-23 21:16:05,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:16:05,609 INFO L130 BoogieDeclarations]: Found specification of procedure deb_space_print [2023-11-23 21:16:05,610 INFO L138 BoogieDeclarations]: Found implementation of procedure deb_space_print [2023-11-23 21:16:05,610 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2023-11-23 21:16:05,610 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2023-11-23 21:16:05,610 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-23 21:16:05,610 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-23 21:16:05,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:16:05,611 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:16:05,611 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_prefix_printk [2023-11-23 21:16:05,611 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_prefix_printk [2023-11-23 21:16:05,611 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2023-11-23 21:16:05,611 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_create_file [2023-11-23 21:16:05,611 INFO L130 BoogieDeclarations]: Found specification of procedure release_buffering [2023-11-23 21:16:05,611 INFO L138 BoogieDeclarations]: Found implementation of procedure release_buffering [2023-11-23 21:16:05,612 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-11-23 21:16:05,612 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-11-23 21:16:05,612 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2023-11-23 21:16:05,612 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2023-11-23 21:16:05,612 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_page [2023-11-23 21:16:05,612 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_page [2023-11-23 21:16:05,612 INFO L130 BoogieDeclarations]: Found specification of procedure st_flush [2023-11-23 21:16:05,613 INFO L138 BoogieDeclarations]: Found implementation of procedure st_flush [2023-11-23 21:16:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:16:05,613 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:16:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure rw_checks [2023-11-23 21:16:05,613 INFO L138 BoogieDeclarations]: Found implementation of procedure rw_checks [2023-11-23 21:16:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2023-11-23 21:16:05,613 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2023-11-23 21:16:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2023-11-23 21:16:05,614 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2023-11-23 21:16:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure st_write [2023-11-23 21:16:05,614 INFO L138 BoogieDeclarations]: Found implementation of procedure st_write [2023-11-23 21:16:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 21:16:05,614 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 21:16:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:16:05,615 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_autopm_get_device [2023-11-23 21:16:05,615 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_autopm_get_device [2023-11-23 21:16:05,615 INFO L130 BoogieDeclarations]: Found specification of procedure set_location [2023-11-23 21:16:05,615 INFO L138 BoogieDeclarations]: Found implementation of procedure set_location [2023-11-23 21:16:05,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:16:05,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:16:05,616 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 21:16:05,616 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 21:16:06,679 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:16:06,683 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:16:06,781 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:16:20,143 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:16:28,051 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:16:28,052 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:16:28,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:16:28 BoogieIcfgContainer [2023-11-23 21:16:28,056 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:16:28,061 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:16:28,061 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:16:28,065 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:16:28,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:16:00" (1/3) ... [2023-11-23 21:16:28,067 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ad7dae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:16:28, skipping insertion in model container [2023-11-23 21:16:28,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:04" (2/3) ... [2023-11-23 21:16:28,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ad7dae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:16:28, skipping insertion in model container [2023-11-23 21:16:28,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:16:28" (3/3) ... [2023-11-23 21:16:28,070 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--st.ko-entry_point.cil.out.i [2023-11-23 21:16:28,093 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:16:28,094 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:16:28,233 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:16:28,243 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;@1943f50d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:16:28,243 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:16:28,265 INFO L276 IsEmpty]: Start isEmpty. Operand has 2246 states, 1495 states have (on average 1.4153846153846155) internal successors, (2116), 1537 states have internal predecessors, (2116), 662 states have call successors, (662), 88 states have call predecessors, (662), 87 states have return successors, (639), 636 states have call predecessors, (639), 639 states have call successors, (639) [2023-11-23 21:16:28,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 792 [2023-11-23 21:16:28,344 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:16:28,346 INFO L195 NwaCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:16:28,347 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:16:28,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:16:28,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1382393246, now seen corresponding path program 1 times [2023-11-23 21:16:28,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:16:28,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425317722] [2023-11-23 21:16:28,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:16:28,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:16:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:16:31,175 INFO L134 CoverageAnalysis]: Checked inductivity of 16726 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16726 trivial. 0 not checked. [2023-11-23 21:16:31,176 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:16:31,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425317722] [2023-11-23 21:16:31,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425317722] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:16:31,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:16:31,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:16:31,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949916168] [2023-11-23 21:16:31,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:16:31,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:16:31,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:16:31,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:16:31,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:16:31,244 INFO L87 Difference]: Start difference. First operand has 2246 states, 1495 states have (on average 1.4153846153846155) internal successors, (2116), 1537 states have internal predecessors, (2116), 662 states have call successors, (662), 88 states have call predecessors, (662), 87 states have return successors, (639), 636 states have call predecessors, (639), 639 states have call successors, (639) Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (73), 2 states have call predecessors, (73), 1 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2023-11-23 21:16:33,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:37,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-23 21:16:39,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:41,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:43,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:44,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []