./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57557fcd-3fae-4e8f-9319-bc8789d03021/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57557fcd-3fae-4e8f-9319-bc8789d03021/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_57557fcd-3fae-4e8f-9319-bc8789d03021/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57557fcd-3fae-4e8f-9319-bc8789d03021/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--st.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57557fcd-3fae-4e8f-9319-bc8789d03021/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_57557fcd-3fae-4e8f-9319-bc8789d03021/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 690e5ddfda68a7db304fad8d47292bfd797939e2371e46066adb3eacde28ef38 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:15:43,022 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:15:43,130 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57557fcd-3fae-4e8f-9319-bc8789d03021/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:15:43,136 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:15:43,137 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:15:43,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:15:43,164 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:15:43,165 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:15:43,166 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:15:43,167 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:15:43,167 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:15:43,168 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:15:43,169 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:15:43,169 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:15:43,170 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:15:43,170 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:15:43,171 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:15:43,171 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:15:43,172 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:15:43,174 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:15:43,174 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:15:43,175 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:15:43,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:15:43,176 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:15:43,177 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:15:43,177 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:15:43,187 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:15:43,188 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:15:43,188 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:15:43,189 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:15:43,190 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:15:43,190 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:15:43,191 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:15:43,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:15:43,191 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:15:43,192 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:15:43,192 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:15:43,192 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:15:43,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:15:43,193 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:15:43,193 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:15:43,194 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:15:43,194 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_57557fcd-3fae-4e8f-9319-bc8789d03021/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57557fcd-3fae-4e8f-9319-bc8789d03021/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 690e5ddfda68a7db304fad8d47292bfd797939e2371e46066adb3eacde28ef38 [2023-11-19 05:15:43,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:15:43,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:15:43,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:15:43,560 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:15:43,560 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:15:43,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57557fcd-3fae-4e8f-9319-bc8789d03021/bin/utaipan-verify-t7M7D8N6sZ/../../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 [2023-11-19 05:15:46,843 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:15:47,579 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:15:47,580 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57557fcd-3fae-4e8f-9319-bc8789d03021/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 [2023-11-19 05:15:47,630 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57557fcd-3fae-4e8f-9319-bc8789d03021/bin/utaipan-verify-t7M7D8N6sZ/data/ddbdf1749/7598cf5451454d2bb81f68503f3ebc89/FLAG883d8872e [2023-11-19 05:15:47,647 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57557fcd-3fae-4e8f-9319-bc8789d03021/bin/utaipan-verify-t7M7D8N6sZ/data/ddbdf1749/7598cf5451454d2bb81f68503f3ebc89 [2023-11-19 05:15:47,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:15:47,652 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:15:47,653 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:15:47,654 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:15:47,660 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:15:47,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:47" (1/1) ... [2023-11-19 05:15:47,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aa094b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:47, skipping insertion in model container [2023-11-19 05:15:47,662 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:47" (1/1) ... [2023-11-19 05:15:47,830 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:15:50,787 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_57557fcd-3fae-4e8f-9319-bc8789d03021/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] [2023-11-19 05:15:50,852 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-19 05:15:50,863 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:15:50,932 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:15:51,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4416] [2023-11-19 05:15:51,101 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4418] [2023-11-19 05:15:51,102 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] [2023-11-19 05:15:51,103 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] [2023-11-19 05:15:51,107 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4553] [2023-11-19 05:15:51,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4556] [2023-11-19 05:15:51,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4559] [2023-11-19 05:15:51,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4562] [2023-11-19 05:15:51,110 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] [2023-11-19 05:15:51,111 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] [2023-11-19 05:15:51,112 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] [2023-11-19 05:15:51,112 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] [2023-11-19 05:15:51,113 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] [2023-11-19 05:15:51,114 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] [2023-11-19 05:15:51,114 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] [2023-11-19 05:15:51,114 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] [2023-11-19 05:15:51,116 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [4689] [2023-11-19 05:15:51,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [4692] [2023-11-19 05:15:51,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [4694] [2023-11-19 05:15:51,118 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [4699] [2023-11-19 05:15:51,118 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [4702] [2023-11-19 05:15:51,118 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [4704] [2023-11-19 05:15:51,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [4709] [2023-11-19 05:15:51,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [4712] [2023-11-19 05:15:51,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [4714] [2023-11-19 05:15:51,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [4719] [2023-11-19 05:15:51,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [4722] [2023-11-19 05:15:51,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [4724] [2023-11-19 05:15:51,127 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4779] [2023-11-19 05:15:51,661 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_57557fcd-3fae-4e8f-9319-bc8789d03021/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] [2023-11-19 05:15:51,675 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-19 05:15:51,680 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:15:51,910 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:15:51,910 WARN L675 CHandler]: The function ldv_xmalloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:15:51,911 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:15:51,911 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:15:51,911 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:15:51,921 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:15:51,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:51 WrapperNode [2023-11-19 05:15:51,922 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:15:51,924 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:15:51,924 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:15:51,925 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:15:51,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:51" (1/1) ... [2023-11-19 05:15:52,128 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:51" (1/1) ... [2023-11-19 05:15:52,625 INFO L138 Inliner]: procedures = 267, calls = 4560, calls flagged for inlining = 132, calls inlined = 125, statements flattened = 10575 [2023-11-19 05:15:52,625 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:15:52,626 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:15:52,626 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:15:52,627 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:15:52,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:51" (1/1) ... [2023-11-19 05:15:52,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:51" (1/1) ... [2023-11-19 05:15:52,736 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:51" (1/1) ... [2023-11-19 05:15:52,737 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:51" (1/1) ... [2023-11-19 05:15:53,145 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:51" (1/1) ... [2023-11-19 05:15:53,194 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:51" (1/1) ... [2023-11-19 05:15:53,245 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:51" (1/1) ... [2023-11-19 05:15:53,272 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:51" (1/1) ... [2023-11-19 05:15:53,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:15:53,360 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:15:53,360 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:15:53,360 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:15:53,362 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:51" (1/1) ... [2023-11-19 05:15:53,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:15:53,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57557fcd-3fae-4e8f-9319-bc8789d03021/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:15:53,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57557fcd-3fae-4e8f-9319-bc8789d03021/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:15:53,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57557fcd-3fae-4e8f-9319-bc8789d03021/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:15:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_print_sense [2023-11-19 05:15:53,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_print_sense [2023-11-19 05:15:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-19 05:15:53,459 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-19 05:15:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-19 05:15:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2023-11-19 05:15:53,460 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2023-11-19 05:15:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:15:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:15:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2023-11-19 05:15:53,461 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_remove_file [2023-11-19 05:15:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:15:53,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:15:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 05:15:53,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 05:15:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure find_partition [2023-11-19 05:15:53,462 INFO L138 BoogieDeclarations]: Found implementation of procedure find_partition [2023-11-19 05:15:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-19 05:15:53,463 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-19 05:15:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2023-11-19 05:15:53,463 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2023-11-19 05:15:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-19 05:15:53,463 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-19 05:15:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 05:15:53,464 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 05:15:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:15:53,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:15:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure class_unregister [2023-11-19 05:15:53,466 INFO L138 BoogieDeclarations]: Found implementation of procedure class_unregister [2023-11-19 05:15:53,467 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-11-19 05:15:53,467 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-11-19 05:15:53,467 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 05:15:53,467 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 05:15:53,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 05:15:53,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 05:15:53,468 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2023-11-19 05:15:53,468 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2023-11-19 05:15:53,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:15:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:15:53,580 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:15:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:15:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure st_int_ioctl [2023-11-19 05:15:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure st_int_ioctl [2023-11-19 05:15:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_rq_timeout [2023-11-19 05:15:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_rq_timeout [2023-11-19 05:15:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode_densblk [2023-11-19 05:15:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode_densblk [2023-11-19 05:15:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2023-11-19 05:15:53,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2023-11-19 05:15:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:15:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 05:15:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2023-11-19 05:15:53,582 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2023-11-19 05:15:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure read_mode_page [2023-11-19 05:15:53,582 INFO L138 BoogieDeclarations]: Found implementation of procedure read_mode_page [2023-11-19 05:15:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2023-11-19 05:15:53,583 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2023-11-19 05:15:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:15:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2023-11-19 05:15:53,583 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2023-11-19 05:15:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 05:15:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure st_do_scsi [2023-11-19 05:15:53,584 INFO L138 BoogieDeclarations]: Found implementation of procedure st_do_scsi [2023-11-19 05:15:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-19 05:15:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 05:15:53,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 05:15:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-19 05:15:53,584 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-19 05:15:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_inc [2023-11-19 05:15:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_inc [2023-11-19 05:15:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2023-11-19 05:15:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2023-11-19 05:15:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:15:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure st_release_request [2023-11-19 05:15:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure st_release_request [2023-11-19 05:15:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:15:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure remove_cdevs [2023-11-19 05:15:53,586 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_cdevs [2023-11-19 05:15:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:15:53,586 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:15:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-19 05:15:53,586 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-19 05:15:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure get_location [2023-11-19 05:15:53,587 INFO L138 BoogieDeclarations]: Found implementation of procedure get_location [2023-11-19 05:15:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure st_compression [2023-11-19 05:15:53,587 INFO L138 BoogieDeclarations]: Found implementation of procedure st_compression [2023-11-19 05:15:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_autopm_put_device [2023-11-19 05:15:53,587 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_autopm_put_device [2023-11-19 05:15:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-19 05:15:53,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-19 05:15:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2023-11-19 05:15:53,588 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2023-11-19 05:15:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 05:15:53,588 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 05:15:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 05:15:53,588 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 05:15:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure check_tape [2023-11-19 05:15:53,589 INFO L138 BoogieDeclarations]: Found implementation of procedure check_tape [2023-11-19 05:15:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 05:15:53,589 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 05:15:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure switch_partition [2023-11-19 05:15:53,589 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_partition [2023-11-19 05:15:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:15:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure setup_buffering [2023-11-19 05:15:53,590 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_buffering [2023-11-19 05:15:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-19 05:15:53,590 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-19 05:15:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tape_put [2023-11-19 05:15:53,591 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tape_put [2023-11-19 05:15:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:15:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_ioctl [2023-11-19 05:15:53,591 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_ioctl [2023-11-19 05:15:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure st_log_options [2023-11-19 05:15:53,592 INFO L138 BoogieDeclarations]: Found implementation of procedure st_log_options [2023-11-19 05:15:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:15:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure create_one_cdev [2023-11-19 05:15:53,592 INFO L138 BoogieDeclarations]: Found implementation of procedure create_one_cdev [2023-11-19 05:15:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure queue_dma_alignment [2023-11-19 05:15:53,592 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_dma_alignment [2023-11-19 05:15:53,593 INFO L130 BoogieDeclarations]: Found specification of procedure do_load_unload [2023-11-19 05:15:53,593 INFO L138 BoogieDeclarations]: Found implementation of procedure do_load_unload [2023-11-19 05:15:53,593 INFO L130 BoogieDeclarations]: Found specification of procedure st_flush_write_buffer [2023-11-19 05:15:53,593 INFO L138 BoogieDeclarations]: Found implementation of procedure st_flush_write_buffer [2023-11-19 05:15:53,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 05:15:53,593 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 05:15:53,593 INFO L130 BoogieDeclarations]: Found specification of procedure enlarge_buffer [2023-11-19 05:15:53,594 INFO L138 BoogieDeclarations]: Found implementation of procedure enlarge_buffer [2023-11-19 05:15:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2023-11-19 05:15:53,594 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2023-11-19 05:15:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 05:15:53,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 05:15:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure st_chk_result [2023-11-19 05:15:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure st_chk_result [2023-11-19 05:15:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 05:15:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 05:15:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure write_behind_check [2023-11-19 05:15:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure write_behind_check [2023-11-19 05:15:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:15:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-19 05:15:53,596 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-19 05:15:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-19 05:15:53,596 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-19 05:15:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:15:53,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:15:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-19 05:15:53,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-19 05:15:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 05:15:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 05:15:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:15:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 05:15:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 05:15:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-19 05:15:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-19 05:15:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:15:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure deb_space_print [2023-11-19 05:15:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure deb_space_print [2023-11-19 05:15:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2023-11-19 05:15:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2023-11-19 05:15:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-19 05:15:53,599 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-19 05:15:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:15:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 05:15:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_prefix_printk [2023-11-19 05:15:53,599 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_prefix_printk [2023-11-19 05:15:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2023-11-19 05:15:53,600 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_create_file [2023-11-19 05:15:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure release_buffering [2023-11-19 05:15:53,600 INFO L138 BoogieDeclarations]: Found implementation of procedure release_buffering [2023-11-19 05:15:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-11-19 05:15:53,600 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-11-19 05:15:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2023-11-19 05:15:53,600 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2023-11-19 05:15:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_page [2023-11-19 05:15:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_page [2023-11-19 05:15:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure st_flush [2023-11-19 05:15:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure st_flush [2023-11-19 05:15:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 05:15:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 05:15:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure rw_checks [2023-11-19 05:15:53,602 INFO L138 BoogieDeclarations]: Found implementation of procedure rw_checks [2023-11-19 05:15:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2023-11-19 05:15:53,602 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2023-11-19 05:15:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2023-11-19 05:15:53,602 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2023-11-19 05:15:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure st_write [2023-11-19 05:15:53,603 INFO L138 BoogieDeclarations]: Found implementation of procedure st_write [2023-11-19 05:15:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 05:15:53,603 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 05:15:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:15:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_autopm_get_device [2023-11-19 05:15:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_autopm_get_device [2023-11-19 05:15:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure set_location [2023-11-19 05:15:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure set_location [2023-11-19 05:15:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:15:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:15:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 05:15:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 05:15:55,090 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:15:55,099 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:15:55,218 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:16:10,126 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:16:18,470 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:16:18,470 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:16:18,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:18 BoogieIcfgContainer [2023-11-19 05:16:18,496 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:16:18,501 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:16:18,501 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:16:18,505 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:16:18,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:15:47" (1/3) ... [2023-11-19 05:16:18,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@397115d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:16:18, skipping insertion in model container [2023-11-19 05:16:18,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:51" (2/3) ... [2023-11-19 05:16:18,509 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@397115d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:16:18, skipping insertion in model container [2023-11-19 05:16:18,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:18" (3/3) ... [2023-11-19 05:16:18,512 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--st.ko-entry_point.cil.out.i [2023-11-19 05:16:18,538 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:16:18,540 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:16:18,667 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:16:18,679 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2045336, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:16:18,680 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:16:18,699 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) [2023-11-19 05:16:18,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 792 [2023-11-19 05:16:18,779 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:16:18,780 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] [2023-11-19 05:16:18,781 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:16:18,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:16:18,788 INFO L85 PathProgramCache]: Analyzing trace with hash 2030803084, now seen corresponding path program 1 times [2023-11-19 05:16:18,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:16:18,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353612391] [2023-11-19 05:16:18,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:16:18,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:16:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:16:21,733 INFO L134 CoverageAnalysis]: Checked inductivity of 16726 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16726 trivial. 0 not checked. [2023-11-19 05:16:21,734 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:16:21,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353612391] [2023-11-19 05:16:21,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353612391] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:16:21,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:16:21,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:16:21,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377306182] [2023-11-19 05:16:21,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:16:21,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:16:21,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:16:21,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:16:21,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:16:21,809 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) [2023-11-19 05:16:23,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:16:25,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:16:27,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 05:16:30,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []