./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--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_f7c0bbcb-8dcb-47ad-81b6-de1de98cfdb9/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c0bbcb-8dcb-47ad-81b6-de1de98cfdb9/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_f7c0bbcb-8dcb-47ad-81b6-de1de98cfdb9/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c0bbcb-8dcb-47ad-81b6-de1de98cfdb9/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--st.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c0bbcb-8dcb-47ad-81b6-de1de98cfdb9/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_f7c0bbcb-8dcb-47ad-81b6-de1de98cfdb9/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 eca061443980e8d0803d9e641f2f399e16662610ff9edce1dac481c57666d01d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:15:19,733 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:15:19,873 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c0bbcb-8dcb-47ad-81b6-de1de98cfdb9/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:15:19,881 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:15:19,882 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:15:19,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:15:19,929 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:15:19,929 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:15:19,930 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:15:19,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:15:19,938 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:15:19,940 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:15:19,940 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:15:19,942 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:15:19,943 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:15:19,943 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:15:19,944 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:15:19,944 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:15:19,945 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:15:19,945 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:15:19,946 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:15:19,977 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:15:19,978 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:15:19,978 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:15:19,979 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:15:19,979 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:15:19,980 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:15:19,980 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:15:19,981 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:15:19,981 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:15:19,982 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:15:19,983 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:15:19,983 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:15:19,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:15:19,984 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:15:19,984 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:15:19,984 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:15:19,985 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:15:19,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:15:19,985 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:15:19,985 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:15:19,986 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:15:19,986 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_f7c0bbcb-8dcb-47ad-81b6-de1de98cfdb9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c0bbcb-8dcb-47ad-81b6-de1de98cfdb9/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eca061443980e8d0803d9e641f2f399e16662610ff9edce1dac481c57666d01d [2023-11-19 05:15:20,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:15:20,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:15:20,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:15:20,328 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:15:20,329 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:15:20,330 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c0bbcb-8dcb-47ad-81b6-de1de98cfdb9/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--st.ko-entry_point.cil.out.i [2023-11-19 05:15:23,408 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:15:24,086 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:15:24,087 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c0bbcb-8dcb-47ad-81b6-de1de98cfdb9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--st.ko-entry_point.cil.out.i [2023-11-19 05:15:24,142 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c0bbcb-8dcb-47ad-81b6-de1de98cfdb9/bin/utaipan-verify-t7M7D8N6sZ/data/c65933420/8e893cfc29614fbf9a6d2f069fe71763/FLAGb95a81995 [2023-11-19 05:15:24,162 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c0bbcb-8dcb-47ad-81b6-de1de98cfdb9/bin/utaipan-verify-t7M7D8N6sZ/data/c65933420/8e893cfc29614fbf9a6d2f069fe71763 [2023-11-19 05:15:24,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:15:24,170 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:15:24,172 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:15:24,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:15:24,177 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:15:24,178 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:24" (1/1) ... [2023-11-19 05:15:24,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37ba70e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:24, skipping insertion in model container [2023-11-19 05:15:24,180 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:24" (1/1) ... [2023-11-19 05:15:24,379 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:15:27,065 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_f7c0bbcb-8dcb-47ad-81b6-de1de98cfdb9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--st.ko-entry_point.cil.out.i[342799,342812] [2023-11-19 05:15:27,127 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-19 05:15:27,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:15:27,198 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:15:27,295 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4416] [2023-11-19 05:15:27,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4418] [2023-11-19 05:15:27,299 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 05:15:27,299 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 05:15:27,301 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4456] [2023-11-19 05:15:27,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4459] [2023-11-19 05:15:27,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4462] [2023-11-19 05:15:27,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4465] [2023-11-19 05:15:27,303 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"); [4501-4502] [2023-11-19 05:15:27,304 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"); [4513-4514] [2023-11-19 05:15:27,305 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"); [4517-4518] [2023-11-19 05:15:27,305 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"); [4521-4522] [2023-11-19 05:15:27,306 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"); [4525-4526] [2023-11-19 05:15:27,307 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)); [4546-4547] [2023-11-19 05:15:27,308 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)); [4554] [2023-11-19 05:15:27,309 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)); [4561] [2023-11-19 05:15:27,310 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [4592] [2023-11-19 05:15:27,311 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [4595] [2023-11-19 05:15:27,311 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [4597] [2023-11-19 05:15:27,311 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [4602] [2023-11-19 05:15:27,312 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [4605] [2023-11-19 05:15:27,312 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [4607] [2023-11-19 05:15:27,312 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [4612] [2023-11-19 05:15:27,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [4615] [2023-11-19 05:15:27,314 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [4617] [2023-11-19 05:15:27,314 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [4622] [2023-11-19 05:15:27,316 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [4625] [2023-11-19 05:15:27,316 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [4627] [2023-11-19 05:15:27,319 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4688] [2023-11-19 05:15:27,788 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_f7c0bbcb-8dcb-47ad-81b6-de1de98cfdb9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--st.ko-entry_point.cil.out.i[342799,342812] [2023-11-19 05:15:27,800 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-19 05:15:27,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:15:27,964 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:15:27,964 WARN L675 CHandler]: The function ldv_xmalloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:15:27,965 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:15:27,965 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:15:27,965 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:15:27,973 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:15:27,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:27 WrapperNode [2023-11-19 05:15:27,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:15:27,977 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:15:27,977 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:15:27,977 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:15:27,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:27" (1/1) ... [2023-11-19 05:15:28,162 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:27" (1/1) ... [2023-11-19 05:15:28,539 INFO L138 Inliner]: procedures = 266, calls = 4555, calls flagged for inlining = 130, calls inlined = 123, statements flattened = 10584 [2023-11-19 05:15:28,540 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:15:28,541 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:15:28,541 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:15:28,541 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:15:28,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:27" (1/1) ... [2023-11-19 05:15:28,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:27" (1/1) ... [2023-11-19 05:15:28,632 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:27" (1/1) ... [2023-11-19 05:15:28,632 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:27" (1/1) ... [2023-11-19 05:15:28,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:27" (1/1) ... [2023-11-19 05:15:29,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:27" (1/1) ... [2023-11-19 05:15:29,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:27" (1/1) ... [2023-11-19 05:15:29,070 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:27" (1/1) ... [2023-11-19 05:15:29,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:15:29,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:15:29,130 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:15:29,130 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:15:29,132 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:27" (1/1) ... [2023-11-19 05:15:29,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:15:29,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c0bbcb-8dcb-47ad-81b6-de1de98cfdb9/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:15:29,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c0bbcb-8dcb-47ad-81b6-de1de98cfdb9/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:15:29,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c0bbcb-8dcb-47ad-81b6-de1de98cfdb9/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:15:29,200 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_print_sense [2023-11-19 05:15:29,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_print_sense [2023-11-19 05:15:29,200 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-19 05:15:29,200 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-19 05:15:29,200 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-19 05:15:29,201 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2023-11-19 05:15:29,201 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2023-11-19 05:15:29,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:15:29,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:15:29,201 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2023-11-19 05:15:29,201 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_remove_file [2023-11-19 05:15:29,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:15:29,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:15:29,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 05:15:29,201 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 05:15:29,202 INFO L130 BoogieDeclarations]: Found specification of procedure find_partition [2023-11-19 05:15:29,202 INFO L138 BoogieDeclarations]: Found implementation of procedure find_partition [2023-11-19 05:15:29,202 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-19 05:15:29,202 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-19 05:15:29,202 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2023-11-19 05:15:29,202 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2023-11-19 05:15:29,202 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-19 05:15:29,203 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-19 05:15:29,203 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 05:15:29,203 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 05:15:29,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:15:29,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:15:29,203 INFO L130 BoogieDeclarations]: Found specification of procedure class_unregister [2023-11-19 05:15:29,203 INFO L138 BoogieDeclarations]: Found implementation of procedure class_unregister [2023-11-19 05:15:29,203 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-11-19 05:15:29,203 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-11-19 05:15:29,204 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 05:15:29,204 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 05:15:29,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 05:15:29,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 05:15:29,204 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2023-11-19 05:15:29,204 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2023-11-19 05:15:29,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:15:29,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:15:29,205 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:15:29,205 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:15:29,205 INFO L130 BoogieDeclarations]: Found specification of procedure st_int_ioctl [2023-11-19 05:15:29,205 INFO L138 BoogieDeclarations]: Found implementation of procedure st_int_ioctl [2023-11-19 05:15:29,205 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_rq_timeout [2023-11-19 05:15:29,205 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_rq_timeout [2023-11-19 05:15:29,205 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode_densblk [2023-11-19 05:15:29,205 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode_densblk [2023-11-19 05:15:29,205 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2023-11-19 05:15:29,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2023-11-19 05:15:29,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:15:29,206 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 05:15:29,206 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2023-11-19 05:15:29,206 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2023-11-19 05:15:29,206 INFO L130 BoogieDeclarations]: Found specification of procedure read_mode_page [2023-11-19 05:15:29,206 INFO L138 BoogieDeclarations]: Found implementation of procedure read_mode_page [2023-11-19 05:15:29,206 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2023-11-19 05:15:29,207 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2023-11-19 05:15:29,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:15:29,207 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2023-11-19 05:15:29,207 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2023-11-19 05:15:29,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 05:15:29,207 INFO L130 BoogieDeclarations]: Found specification of procedure st_do_scsi [2023-11-19 05:15:29,207 INFO L138 BoogieDeclarations]: Found implementation of procedure st_do_scsi [2023-11-19 05:15:29,207 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-19 05:15:29,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 05:15:29,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 05:15:29,208 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-19 05:15:29,208 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-19 05:15:29,208 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_inc [2023-11-19 05:15:29,208 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_inc [2023-11-19 05:15:29,208 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2023-11-19 05:15:29,208 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2023-11-19 05:15:29,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:15:29,209 INFO L130 BoogieDeclarations]: Found specification of procedure st_release_request [2023-11-19 05:15:29,209 INFO L138 BoogieDeclarations]: Found implementation of procedure st_release_request [2023-11-19 05:15:29,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:15:29,209 INFO L130 BoogieDeclarations]: Found specification of procedure remove_cdevs [2023-11-19 05:15:29,209 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_cdevs [2023-11-19 05:15:29,209 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:15:29,209 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:15:29,210 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-19 05:15:29,210 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-19 05:15:29,210 INFO L130 BoogieDeclarations]: Found specification of procedure get_location [2023-11-19 05:15:29,210 INFO L138 BoogieDeclarations]: Found implementation of procedure get_location [2023-11-19 05:15:29,210 INFO L130 BoogieDeclarations]: Found specification of procedure st_compression [2023-11-19 05:15:29,210 INFO L138 BoogieDeclarations]: Found implementation of procedure st_compression [2023-11-19 05:15:29,210 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_autopm_put_device [2023-11-19 05:15:29,210 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_autopm_put_device [2023-11-19 05:15:29,210 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-19 05:15:29,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-19 05:15:29,211 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2023-11-19 05:15:29,211 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2023-11-19 05:15:29,211 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 05:15:29,211 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 05:15:29,211 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 05:15:29,211 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 05:15:29,211 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 05:15:29,211 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 05:15:29,212 INFO L130 BoogieDeclarations]: Found specification of procedure check_tape [2023-11-19 05:15:29,212 INFO L138 BoogieDeclarations]: Found implementation of procedure check_tape [2023-11-19 05:15:29,212 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 05:15:29,212 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 05:15:29,212 INFO L130 BoogieDeclarations]: Found specification of procedure switch_partition [2023-11-19 05:15:29,279 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_partition [2023-11-19 05:15:29,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:15:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure setup_buffering [2023-11-19 05:15:29,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_buffering [2023-11-19 05:15:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-19 05:15:29,280 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-19 05:15:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tape_put [2023-11-19 05:15:29,280 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tape_put [2023-11-19 05:15:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:15:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_ioctl [2023-11-19 05:15:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_ioctl [2023-11-19 05:15:29,281 INFO L130 BoogieDeclarations]: Found specification of procedure st_log_options [2023-11-19 05:15:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure st_log_options [2023-11-19 05:15:29,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:15:29,281 INFO L130 BoogieDeclarations]: Found specification of procedure create_one_cdev [2023-11-19 05:15:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure create_one_cdev [2023-11-19 05:15:29,281 INFO L130 BoogieDeclarations]: Found specification of procedure queue_dma_alignment [2023-11-19 05:15:29,282 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_dma_alignment [2023-11-19 05:15:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure do_load_unload [2023-11-19 05:15:29,282 INFO L138 BoogieDeclarations]: Found implementation of procedure do_load_unload [2023-11-19 05:15:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure st_flush_write_buffer [2023-11-19 05:15:29,282 INFO L138 BoogieDeclarations]: Found implementation of procedure st_flush_write_buffer [2023-11-19 05:15:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 05:15:29,282 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 05:15:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure enlarge_buffer [2023-11-19 05:15:29,283 INFO L138 BoogieDeclarations]: Found implementation of procedure enlarge_buffer [2023-11-19 05:15:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2023-11-19 05:15:29,283 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2023-11-19 05:15:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure st_chk_result [2023-11-19 05:15:29,283 INFO L138 BoogieDeclarations]: Found implementation of procedure st_chk_result [2023-11-19 05:15:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 05:15:29,283 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 05:15:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure write_behind_check [2023-11-19 05:15:29,284 INFO L138 BoogieDeclarations]: Found implementation of procedure write_behind_check [2023-11-19 05:15:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:15:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-19 05:15:29,284 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-19 05:15:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-19 05:15:29,284 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-19 05:15:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:15:29,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:15:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-19 05:15:29,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-19 05:15:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 05:15:29,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 05:15:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:15:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 05:15:29,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 05:15:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-19 05:15:29,286 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-19 05:15:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:15:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure deb_space_print [2023-11-19 05:15:29,286 INFO L138 BoogieDeclarations]: Found implementation of procedure deb_space_print [2023-11-19 05:15:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2023-11-19 05:15:29,286 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2023-11-19 05:15:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-19 05:15:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-19 05:15:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:15:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 05:15:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_prefix_printk [2023-11-19 05:15:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_prefix_printk [2023-11-19 05:15:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2023-11-19 05:15:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_create_file [2023-11-19 05:15:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure release_buffering [2023-11-19 05:15:29,288 INFO L138 BoogieDeclarations]: Found implementation of procedure release_buffering [2023-11-19 05:15:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-11-19 05:15:29,288 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-11-19 05:15:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2023-11-19 05:15:29,288 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2023-11-19 05:15:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_page [2023-11-19 05:15:29,288 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_page [2023-11-19 05:15:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure st_flush [2023-11-19 05:15:29,289 INFO L138 BoogieDeclarations]: Found implementation of procedure st_flush [2023-11-19 05:15:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 05:15:29,289 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 05:15:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure rw_checks [2023-11-19 05:15:29,289 INFO L138 BoogieDeclarations]: Found implementation of procedure rw_checks [2023-11-19 05:15:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2023-11-19 05:15:29,290 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2023-11-19 05:15:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2023-11-19 05:15:29,290 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2023-11-19 05:15:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure st_write [2023-11-19 05:15:29,290 INFO L138 BoogieDeclarations]: Found implementation of procedure st_write [2023-11-19 05:15:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 05:15:29,290 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 05:15:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:15:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_autopm_get_device [2023-11-19 05:15:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_autopm_get_device [2023-11-19 05:15:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure set_location [2023-11-19 05:15:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure set_location [2023-11-19 05:15:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:15:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:15:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 05:15:29,308 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 05:15:30,580 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:15:30,588 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:15:30,727 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:15:44,650 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:15:53,296 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:15:53,297 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:15:53,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:15:53 BoogieIcfgContainer [2023-11-19 05:15:53,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:15:53,327 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:15:53,327 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:15:53,331 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:15:53,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:15:24" (1/3) ... [2023-11-19 05:15:53,333 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ff59f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:15:53, skipping insertion in model container [2023-11-19 05:15:53,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:27" (2/3) ... [2023-11-19 05:15:53,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ff59f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:15:53, skipping insertion in model container [2023-11-19 05:15:53,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:15:53" (3/3) ... [2023-11-19 05:15:53,336 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--st.ko-entry_point.cil.out.i [2023-11-19 05:15:53,358 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:15:53,358 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:15:53,479 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:15:53,489 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;@72ae4a57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:15:53,490 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:15:53,506 INFO L276 IsEmpty]: Start isEmpty. Operand has 2246 states, 1496 states have (on average 1.4151069518716577) internal successors, (2117), 1538 states have internal predecessors, (2117), 661 states have call successors, (661), 88 states have call predecessors, (661), 87 states have return successors, (638), 635 states have call predecessors, (638), 638 states have call successors, (638) [2023-11-19 05:15:53,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 801 [2023-11-19 05:15:53,577 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:15:53,579 INFO L195 NwaCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:15:53,580 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:15:53,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:15:53,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1912958113, now seen corresponding path program 1 times [2023-11-19 05:15:53,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:15:53,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938412215] [2023-11-19 05:15:53,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:15:53,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:15:54,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:15:56,538 INFO L134 CoverageAnalysis]: Checked inductivity of 16728 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16728 trivial. 0 not checked. [2023-11-19 05:15:56,539 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:15:56,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938412215] [2023-11-19 05:15:56,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938412215] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:15:56,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:15:56,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:15:56,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532462339] [2023-11-19 05:15:56,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:15:56,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:15:56,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:15:56,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:15:56,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:15:56,607 INFO L87 Difference]: Start difference. First operand has 2246 states, 1496 states have (on average 1.4151069518716577) internal successors, (2117), 1538 states have internal predecessors, (2117), 661 states have call successors, (661), 88 states have call predecessors, (661), 87 states have return successors, (638), 635 states have call predecessors, (638), 638 states have call successors, (638) Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2023-11-19 05:15:58,748 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 [] [2023-11-19 05:16:02,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 05:16:05,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:16:07,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:16:09,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []