./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-32_7a-drivers--scsi--st.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbca0268-8d26-4e7f-92b0-c9fd272b395f/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbca0268-8d26-4e7f-92b0-c9fd272b395f/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbca0268-8d26-4e7f-92b0-c9fd272b395f/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbca0268-8d26-4e7f-92b0-c9fd272b395f/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--st.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbca0268-8d26-4e7f-92b0-c9fd272b395f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbca0268-8d26-4e7f-92b0-c9fd272b395f/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5257f81555b3bfe28b84a069de5704350960a2d031d6c4979181f2692dbf025e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:11:09,059 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:11:09,149 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbca0268-8d26-4e7f-92b0-c9fd272b395f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:11:09,155 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:11:09,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:11:09,183 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:11:09,183 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:11:09,184 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:11:09,185 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:11:09,186 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:11:09,186 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:11:09,187 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:11:09,188 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:11:09,188 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:11:09,189 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:11:09,189 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:11:09,190 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:11:09,191 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:11:09,191 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:11:09,192 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:11:09,193 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:11:09,194 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:11:09,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:11:09,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:11:09,196 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:11:09,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:11:09,197 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:11:09,198 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:11:09,198 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:11:09,199 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:11:09,199 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:11:09,200 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:11:09,201 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:11:09,201 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:11:09,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:09,202 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:11:09,203 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:11:09,203 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:11:09,204 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:11:09,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:11:09,205 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:11:09,205 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:11:09,206 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:11:09,206 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:11:09,207 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_dbca0268-8d26-4e7f-92b0-c9fd272b395f/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbca0268-8d26-4e7f-92b0-c9fd272b395f/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5257f81555b3bfe28b84a069de5704350960a2d031d6c4979181f2692dbf025e [2023-11-23 21:11:09,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:11:09,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:11:09,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:11:09,554 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:11:09,555 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:11:09,556 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbca0268-8d26-4e7f-92b0-c9fd272b395f/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--st.ko-entry_point.cil.out.i [2023-11-23 21:11:12,896 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:11:13,727 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:11:13,728 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbca0268-8d26-4e7f-92b0-c9fd272b395f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--st.ko-entry_point.cil.out.i [2023-11-23 21:11:13,783 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbca0268-8d26-4e7f-92b0-c9fd272b395f/bin/utaipan-verify-mE87zJ7Ire/data/ac59c2748/e673bd92c91d4de59663d87f16cb0c96/FLAG334fd207b [2023-11-23 21:11:13,805 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbca0268-8d26-4e7f-92b0-c9fd272b395f/bin/utaipan-verify-mE87zJ7Ire/data/ac59c2748/e673bd92c91d4de59663d87f16cb0c96 [2023-11-23 21:11:13,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:11:13,814 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:11:13,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:13,819 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:11:13,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:11:13,828 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:13" (1/1) ... [2023-11-23 21:11:13,829 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ce84c5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:13, skipping insertion in model container [2023-11-23 21:11:13,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:13" (1/1) ... [2023-11-23 21:11:14,039 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:11:16,634 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_dbca0268-8d26-4e7f-92b0-c9fd272b395f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--st.ko-entry_point.cil.out.i[348142,348155] [2023-11-23 21:11:16,995 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-23 21:11:17,009 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:17,083 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:11:17,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4410] [2023-11-23 21:11:17,231 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4412] [2023-11-23 21:11:17,232 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"); [4422] [2023-11-23 21:11:17,233 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)); [4430-4431] [2023-11-23 21:11:17,234 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4449] [2023-11-23 21:11:17,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4452] [2023-11-23 21:11:17,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4455] [2023-11-23 21:11:17,236 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4458] [2023-11-23 21:11:17,237 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"); [4495-4496] [2023-11-23 21:11:17,238 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"); [4507-4508] [2023-11-23 21:11:17,239 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"); [4511-4512] [2023-11-23 21:11:17,240 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"); [4515-4516] [2023-11-23 21:11:17,240 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"); [4519-4520] [2023-11-23 21:11:17,242 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)); [4540-4541] [2023-11-23 21:11:17,242 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)); [4548] [2023-11-23 21:11:17,243 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)); [4555] [2023-11-23 21:11:17,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [4715] [2023-11-23 21:11:17,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [4718] [2023-11-23 21:11:17,253 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [4720] [2023-11-23 21:11:17,253 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [4725] [2023-11-23 21:11:17,254 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [4728] [2023-11-23 21:11:17,254 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [4730] [2023-11-23 21:11:17,256 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [4735] [2023-11-23 21:11:17,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [4738] [2023-11-23 21:11:17,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [4740] [2023-11-23 21:11:17,259 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [4745] [2023-11-23 21:11:17,259 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [4748] [2023-11-23 21:11:17,259 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [4750] [2023-11-23 21:11:17,266 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4808] [2023-11-23 21:11:17,796 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_dbca0268-8d26-4e7f-92b0-c9fd272b395f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--st.ko-entry_point.cil.out.i[348142,348155] [2023-11-23 21:11:17,813 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-23 21:11:17,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:18,036 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:11:18,037 WARN L675 CHandler]: The function ldv_xmalloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:11:18,037 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:11:18,038 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:11:18,038 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:11:18,047 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:11:18,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:18 WrapperNode [2023-11-23 21:11:18,048 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:18,050 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:18,050 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:11:18,050 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:11:18,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:18" (1/1) ... [2023-11-23 21:11:18,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:18" (1/1) ... [2023-11-23 21:11:18,677 INFO L138 Inliner]: procedures = 338, calls = 4683, calls flagged for inlining = 146, calls inlined = 136, statements flattened = 10687 [2023-11-23 21:11:18,677 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:18,678 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:11:18,680 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:11:18,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:11:18,691 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:18" (1/1) ... [2023-11-23 21:11:18,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:18" (1/1) ... [2023-11-23 21:11:18,771 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:18" (1/1) ... [2023-11-23 21:11:18,771 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:18" (1/1) ... [2023-11-23 21:11:19,133 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:18" (1/1) ... [2023-11-23 21:11:19,203 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:18" (1/1) ... [2023-11-23 21:11:19,243 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:18" (1/1) ... [2023-11-23 21:11:19,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:18" (1/1) ... [2023-11-23 21:11:19,368 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:11:19,369 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:11:19,370 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:11:19,370 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:11:19,371 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:18" (1/1) ... [2023-11-23 21:11:19,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:19,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbca0268-8d26-4e7f-92b0-c9fd272b395f/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:11:19,433 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbca0268-8d26-4e7f-92b0-c9fd272b395f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:11:19,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbca0268-8d26-4e7f-92b0-c9fd272b395f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:11:19,540 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_print_sense [2023-11-23 21:11:19,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_print_sense [2023-11-23 21:11:19,540 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-23 21:11:19,540 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-23 21:11:19,541 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-23 21:11:19,541 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2023-11-23 21:11:19,541 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2023-11-23 21:11:19,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:11:19,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:11:19,541 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2023-11-23 21:11:19,541 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_remove_file [2023-11-23 21:11:19,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:11:19,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:11:19,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:11:19,542 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:11:19,542 INFO L130 BoogieDeclarations]: Found specification of procedure find_partition [2023-11-23 21:11:19,542 INFO L138 BoogieDeclarations]: Found implementation of procedure find_partition [2023-11-23 21:11:19,542 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-23 21:11:19,543 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-23 21:11:19,543 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2023-11-23 21:11:19,543 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2023-11-23 21:11:19,543 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-23 21:11:19,543 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-23 21:11:19,543 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-23 21:11:19,543 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-23 21:11:19,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:11:19,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:11:19,544 INFO L130 BoogieDeclarations]: Found specification of procedure class_unregister [2023-11-23 21:11:19,544 INFO L138 BoogieDeclarations]: Found implementation of procedure class_unregister [2023-11-23 21:11:19,544 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:11:19,544 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:11:19,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:11:19,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:11:19,545 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2023-11-23 21:11:19,545 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2023-11-23 21:11:19,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:11:19,545 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:11:19,556 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:11:19,556 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:11:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure st_int_ioctl [2023-11-23 21:11:19,557 INFO L138 BoogieDeclarations]: Found implementation of procedure st_int_ioctl [2023-11-23 21:11:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_rq_timeout [2023-11-23 21:11:19,557 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_rq_timeout [2023-11-23 21:11:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode_densblk [2023-11-23 21:11:19,557 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode_densblk [2023-11-23 21:11:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-23 21:11:19,558 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-23 21:11:19,558 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2023-11-23 21:11:19,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2023-11-23 21:11:19,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:11:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:11:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2023-11-23 21:11:19,559 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2023-11-23 21:11:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_st_ref_mutex [2023-11-23 21:11:19,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_st_ref_mutex [2023-11-23 21:11:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure read_mode_page [2023-11-23 21:11:19,560 INFO L138 BoogieDeclarations]: Found implementation of procedure read_mode_page [2023-11-23 21:11:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2023-11-23 21:11:19,560 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2023-11-23 21:11:19,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:11:19,561 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2023-11-23 21:11:19,561 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2023-11-23 21:11:19,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:11:19,561 INFO L130 BoogieDeclarations]: Found specification of procedure st_do_scsi [2023-11-23 21:11:19,561 INFO L138 BoogieDeclarations]: Found implementation of procedure st_do_scsi [2023-11-23 21:11:19,561 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-23 21:11:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:11:19,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:11:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-23 21:11:19,562 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-23 21:11:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2023-11-23 21:11:19,563 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2023-11-23 21:11:19,563 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_inc [2023-11-23 21:11:19,563 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_inc [2023-11-23 21:11:19,563 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2023-11-23 21:11:19,564 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2023-11-23 21:11:19,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:11:19,564 INFO L130 BoogieDeclarations]: Found specification of procedure st_release_request [2023-11-23 21:11:19,564 INFO L138 BoogieDeclarations]: Found implementation of procedure st_release_request [2023-11-23 21:11:19,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:11:19,564 INFO L130 BoogieDeclarations]: Found specification of procedure remove_cdevs [2023-11-23 21:11:19,565 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_cdevs [2023-11-23 21:11:19,565 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:11:19,566 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:11:19,566 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-23 21:11:19,566 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-23 21:11:19,566 INFO L130 BoogieDeclarations]: Found specification of procedure get_location [2023-11-23 21:11:19,566 INFO L138 BoogieDeclarations]: Found implementation of procedure get_location [2023-11-23 21:11:19,566 INFO L130 BoogieDeclarations]: Found specification of procedure st_compression [2023-11-23 21:11:19,566 INFO L138 BoogieDeclarations]: Found implementation of procedure st_compression [2023-11-23 21:11:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_autopm_put_device [2023-11-23 21:11:19,567 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_autopm_put_device [2023-11-23 21:11:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-23 21:11:19,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-23 21:11:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2023-11-23 21:11:19,568 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2023-11-23 21:11:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:11:19,568 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:11:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:11:19,568 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:11:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure check_tape [2023-11-23 21:11:19,583 INFO L138 BoogieDeclarations]: Found implementation of procedure check_tape [2023-11-23 21:11:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 21:11:19,583 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 21:11:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure switch_partition [2023-11-23 21:11:19,584 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_partition [2023-11-23 21:11:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_scsi_tape [2023-11-23 21:11:19,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_scsi_tape [2023-11-23 21:11:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:11:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure setup_buffering [2023-11-23 21:11:19,585 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_buffering [2023-11-23 21:11:19,586 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-23 21:11:19,589 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-23 21:11:19,589 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tape_put [2023-11-23 21:11:19,589 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tape_put [2023-11-23 21:11:19,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:11:19,590 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_ioctl [2023-11-23 21:11:19,590 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_ioctl [2023-11-23 21:11:19,590 INFO L130 BoogieDeclarations]: Found specification of procedure st_log_options [2023-11-23 21:11:19,590 INFO L138 BoogieDeclarations]: Found implementation of procedure st_log_options [2023-11-23 21:11:19,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:11:19,591 INFO L130 BoogieDeclarations]: Found specification of procedure create_one_cdev [2023-11-23 21:11:19,591 INFO L138 BoogieDeclarations]: Found implementation of procedure create_one_cdev [2023-11-23 21:11:19,591 INFO L130 BoogieDeclarations]: Found specification of procedure queue_dma_alignment [2023-11-23 21:11:19,591 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_dma_alignment [2023-11-23 21:11:19,591 INFO L130 BoogieDeclarations]: Found specification of procedure do_load_unload [2023-11-23 21:11:19,591 INFO L138 BoogieDeclarations]: Found implementation of procedure do_load_unload [2023-11-23 21:11:19,591 INFO L130 BoogieDeclarations]: Found specification of procedure st_flush_write_buffer [2023-11-23 21:11:19,592 INFO L138 BoogieDeclarations]: Found implementation of procedure st_flush_write_buffer [2023-11-23 21:11:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:11:19,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:11:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure enlarge_buffer [2023-11-23 21:11:19,592 INFO L138 BoogieDeclarations]: Found implementation of procedure enlarge_buffer [2023-11-23 21:11:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2023-11-23 21:11:19,592 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2023-11-23 21:11:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure st_chk_result [2023-11-23 21:11:19,593 INFO L138 BoogieDeclarations]: Found implementation of procedure st_chk_result [2023-11-23 21:11:19,593 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:11:19,593 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:11:19,593 INFO L130 BoogieDeclarations]: Found specification of procedure write_behind_check [2023-11-23 21:11:19,593 INFO L138 BoogieDeclarations]: Found implementation of procedure write_behind_check [2023-11-23 21:11:19,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:11:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-23 21:11:19,594 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-23 21:11:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-23 21:11:19,594 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-23 21:11:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:11:19,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:11:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-23 21:11:19,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-23 21:11:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 21:11:19,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 21:11:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_st_ref_mutex [2023-11-23 21:11:19,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_st_ref_mutex [2023-11-23 21:11:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:11:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 21:11:19,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 21:11:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-23 21:11:19,596 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-23 21:11:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:11:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure deb_space_print [2023-11-23 21:11:19,596 INFO L138 BoogieDeclarations]: Found implementation of procedure deb_space_print [2023-11-23 21:11:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:11:19,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:11:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2023-11-23 21:11:19,597 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2023-11-23 21:11:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-23 21:11:19,597 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-23 21:11:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:11:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:11:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_prefix_printk [2023-11-23 21:11:19,600 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_prefix_printk [2023-11-23 21:11:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2023-11-23 21:11:19,600 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_create_file [2023-11-23 21:11:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure release_buffering [2023-11-23 21:11:19,601 INFO L138 BoogieDeclarations]: Found implementation of procedure release_buffering [2023-11-23 21:11:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-11-23 21:11:19,601 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-11-23 21:11:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2023-11-23 21:11:19,601 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2023-11-23 21:11:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_page [2023-11-23 21:11:19,601 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_page [2023-11-23 21:11:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure st_flush [2023-11-23 21:11:19,602 INFO L138 BoogieDeclarations]: Found implementation of procedure st_flush [2023-11-23 21:11:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:11:19,602 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:11:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure rw_checks [2023-11-23 21:11:19,602 INFO L138 BoogieDeclarations]: Found implementation of procedure rw_checks [2023-11-23 21:11:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2023-11-23 21:11:19,602 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2023-11-23 21:11:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2023-11-23 21:11:19,603 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2023-11-23 21:11:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_scsi_tape [2023-11-23 21:11:19,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_scsi_tape [2023-11-23 21:11:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure st_write [2023-11-23 21:11:19,603 INFO L138 BoogieDeclarations]: Found implementation of procedure st_write [2023-11-23 21:11:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 21:11:19,604 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 21:11:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:11:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_autopm_get_device [2023-11-23 21:11:19,604 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_autopm_get_device [2023-11-23 21:11:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure set_location [2023-11-23 21:11:19,604 INFO L138 BoogieDeclarations]: Found implementation of procedure set_location [2023-11-23 21:11:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:11:19,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:11:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 21:11:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 21:11:20,823 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:11:20,832 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:11:21,026 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:11:34,299 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:11:42,314 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:11:42,314 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:11:42,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:42 BoogieIcfgContainer [2023-11-23 21:11:42,318 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:11:42,320 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:11:42,320 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:11:42,324 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:11:42,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:11:13" (1/3) ... [2023-11-23 21:11:42,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@421ccaef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:42, skipping insertion in model container [2023-11-23 21:11:42,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:18" (2/3) ... [2023-11-23 21:11:42,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@421ccaef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:42, skipping insertion in model container [2023-11-23 21:11:42,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:42" (3/3) ... [2023-11-23 21:11:42,327 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--st.ko-entry_point.cil.out.i [2023-11-23 21:11:42,348 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:11:42,348 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:11:42,659 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:11:42,671 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;@2311ba0b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:11:42,671 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:11:42,688 INFO L276 IsEmpty]: Start isEmpty. Operand has 2302 states, 1525 states have (on average 1.4124590163934425) internal successors, (2154), 1575 states have internal predecessors, (2154), 683 states have call successors, (683), 93 states have call predecessors, (683), 92 states have return successors, (660), 657 states have call predecessors, (660), 660 states have call successors, (660) [2023-11-23 21:11:42,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 795 [2023-11-23 21:11:42,755 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:42,757 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, 1, 1, 1] [2023-11-23 21:11:42,757 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:11:42,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:42,763 INFO L85 PathProgramCache]: Analyzing trace with hash -2141318020, now seen corresponding path program 1 times [2023-11-23 21:11:42,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:11:42,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191688392] [2023-11-23 21:11:42,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:42,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:11:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:11:45,609 INFO L134 CoverageAnalysis]: Checked inductivity of 16726 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16726 trivial. 0 not checked. [2023-11-23 21:11:45,610 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:11:45,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191688392] [2023-11-23 21:11:45,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191688392] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:11:45,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:11:45,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:11:45,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969745790] [2023-11-23 21:11:45,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:11:45,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:11:45,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:11:45,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:11:45,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:11:45,676 INFO L87 Difference]: Start difference. First operand has 2302 states, 1525 states have (on average 1.4124590163934425) internal successors, (2154), 1575 states have internal predecessors, (2154), 683 states have call successors, (683), 93 states have call predecessors, (683), 92 states have return successors, (660), 657 states have call predecessors, (660), 660 states have call successors, (660) 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, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2023-11-23 21:11:48,657 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 [] [2023-11-23 21:11:52,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-23 21:11:55,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []