./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.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_abccffed-7a7f-4759-9372-7230d9327b5c/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abccffed-7a7f-4759-9372-7230d9327b5c/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_abccffed-7a7f-4759-9372-7230d9327b5c/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abccffed-7a7f-4759-9372-7230d9327b5c/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abccffed-7a7f-4759-9372-7230d9327b5c/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_abccffed-7a7f-4759-9372-7230d9327b5c/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 527ba95af45b5d863cb3ca1867267fd54ac6958329e64d7162c5caa88bde96c3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:36:09,012 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:36:09,132 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abccffed-7a7f-4759-9372-7230d9327b5c/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 20:36:09,138 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:36:09,139 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:36:09,185 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:36:09,186 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:36:09,187 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:36:09,188 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:36:09,196 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:36:09,197 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:36:09,198 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:36:09,199 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:36:09,201 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:36:09,201 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:36:09,202 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:36:09,202 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:36:09,203 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:36:09,203 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:36:09,204 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:36:09,204 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:36:09,205 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:36:09,206 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:36:09,207 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:36:09,207 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:36:09,208 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:36:09,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:36:09,209 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:36:09,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:36:09,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:36:09,211 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:36:09,212 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:36:09,212 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:36:09,212 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:36:09,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:09,213 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:36:09,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:36:09,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:36:09,215 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:36:09,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:36:09,215 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:36:09,216 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:36:09,216 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:36:09,216 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:36:09,217 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_abccffed-7a7f-4759-9372-7230d9327b5c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abccffed-7a7f-4759-9372-7230d9327b5c/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 527ba95af45b5d863cb3ca1867267fd54ac6958329e64d7162c5caa88bde96c3 [2023-11-23 20:36:09,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:36:09,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:36:09,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:36:09,546 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:36:09,547 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:36:09,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abccffed-7a7f-4759-9372-7230d9327b5c/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2023-11-23 20:36:12,799 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:36:13,745 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:36:13,746 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abccffed-7a7f-4759-9372-7230d9327b5c/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2023-11-23 20:36:13,839 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abccffed-7a7f-4759-9372-7230d9327b5c/bin/utaipan-verify-mE87zJ7Ire/data/0e69f883d/bb1233c80cd04e8fa2fabb8534ead33b/FLAG3fccf42b6 [2023-11-23 20:36:13,860 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abccffed-7a7f-4759-9372-7230d9327b5c/bin/utaipan-verify-mE87zJ7Ire/data/0e69f883d/bb1233c80cd04e8fa2fabb8534ead33b [2023-11-23 20:36:13,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:36:13,869 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:36:13,871 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:13,871 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:36:13,876 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:36:13,877 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:13" (1/1) ... [2023-11-23 20:36:13,879 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f3e5ebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:13, skipping insertion in model container [2023-11-23 20:36:13,879 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:13" (1/1) ... [2023-11-23 20:36:14,146 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:36:19,224 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_abccffed-7a7f-4759-9372-7230d9327b5c/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[470813,470826] [2023-11-23 20:36:19,229 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_abccffed-7a7f-4759-9372-7230d9327b5c/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[470982,470995] [2023-11-23 20:36:19,237 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_abccffed-7a7f-4759-9372-7230d9327b5c/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[471149,471162] [2023-11-23 20:36:19,244 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_abccffed-7a7f-4759-9372-7230d9327b5c/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[471317,471330] [2023-11-23 20:36:19,277 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:19,336 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:36:19,564 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"); [5396] [2023-11-23 20:36:19,566 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; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5403] [2023-11-23 20:36:19,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5410] [2023-11-23 20:36:19,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/520b8de/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5465-5466] [2023-11-23 20:36:19,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5471-5473] [2023-11-23 20:36:19,572 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5581] [2023-11-23 20:36:19,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5589] [2023-11-23 20:36:19,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5596] [2023-11-23 20:36:19,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5604] [2023-11-23 20:36:19,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5755-5756] [2023-11-23 20:36:19,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5789-5790] [2023-11-23 20:36:19,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6817] [2023-11-23 20:36:19,646 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7091] [2023-11-23 20:36:19,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7517] [2023-11-23 20:36:19,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7525] [2023-11-23 20:36:19,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7922] [2023-11-23 20:36:19,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7924] [2023-11-23 20:36:19,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10986] [2023-11-23 20:36:20,053 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_abccffed-7a7f-4759-9372-7230d9327b5c/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[470813,470826] [2023-11-23 20:36:20,054 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_abccffed-7a7f-4759-9372-7230d9327b5c/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[470982,470995] [2023-11-23 20:36:20,055 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_abccffed-7a7f-4759-9372-7230d9327b5c/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[471149,471162] [2023-11-23 20:36:20,055 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_abccffed-7a7f-4759-9372-7230d9327b5c/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[471317,471330] [2023-11-23 20:36:20,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:20,307 WARN L675 CHandler]: The function strstr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:36:20,307 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:36:20,307 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:36:20,314 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:36:20,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:20 WrapperNode [2023-11-23 20:36:20,315 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:20,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:20,316 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:36:20,317 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:36:20,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:20" (1/1) ... [2023-11-23 20:36:20,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:20" (1/1) ... [2023-11-23 20:36:21,008 INFO L138 Inliner]: procedures = 526, calls = 4283, calls flagged for inlining = 232, calls inlined = 215, statements flattened = 10295 [2023-11-23 20:36:21,009 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:21,010 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:36:21,011 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:36:21,011 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:36:21,026 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:20" (1/1) ... [2023-11-23 20:36:21,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:20" (1/1) ... [2023-11-23 20:36:21,175 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:20" (1/1) ... [2023-11-23 20:36:21,176 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:20" (1/1) ... [2023-11-23 20:36:21,766 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:20" (1/1) ... [2023-11-23 20:36:21,826 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:20" (1/1) ... [2023-11-23 20:36:21,895 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:20" (1/1) ... [2023-11-23 20:36:21,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:20" (1/1) ... [2023-11-23 20:36:22,036 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:36:22,037 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:36:22,038 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:36:22,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:36:22,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:20" (1/1) ... [2023-11-23 20:36:22,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:22,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abccffed-7a7f-4759-9372-7230d9327b5c/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:36:22,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abccffed-7a7f-4759-9372-7230d9327b5c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:36:22,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abccffed-7a7f-4759-9372-7230d9327b5c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:36:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2023-11-23 20:36:22,129 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2023-11-23 20:36:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 20:36:22,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 20:36:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 20:36:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 20:36:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 20:36:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 20:36:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2023-11-23 20:36:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2023-11-23 20:36:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2023-11-23 20:36:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2023-11-23 20:36:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2023-11-23 20:36:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2023-11-23 20:36:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2023-11-23 20:36:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2023-11-23 20:36:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 20:36:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 20:36:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2023-11-23 20:36:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2023-11-23 20:36:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2023-11-23 20:36:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2023-11-23 20:36:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2023-11-23 20:36:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2023-11-23 20:36:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 20:36:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 20:36:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2023-11-23 20:36:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2023-11-23 20:36:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2023-11-23 20:36:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2023-11-23 20:36:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 20:36:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 20:36:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2023-11-23 20:36:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2023-11-23 20:36:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2023-11-23 20:36:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2023-11-23 20:36:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2023-11-23 20:36:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2023-11-23 20:36:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 20:36:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2023-11-23 20:36:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2023-11-23 20:36:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2023-11-23 20:36:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2023-11-23 20:36:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-23 20:36:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-23 20:36:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 20:36:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 20:36:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2023-11-23 20:36:22,136 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2023-11-23 20:36:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2023-11-23 20:36:22,136 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2023-11-23 20:36:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-23 20:36:22,136 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-23 20:36:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 20:36:22,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 20:36:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2023-11-23 20:36:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2023-11-23 20:36:22,137 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2023-11-23 20:36:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:36:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-11-23 20:36:22,137 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-11-23 20:36:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-23 20:36:22,138 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-23 20:36:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-11-23 20:36:22,138 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-11-23 20:36:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2023-11-23 20:36:22,138 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2023-11-23 20:36:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 20:36:22,139 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 20:36:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 20:36:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-23 20:36:22,139 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-23 20:36:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2023-11-23 20:36:22,139 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2023-11-23 20:36:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2023-11-23 20:36:22,140 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2023-11-23 20:36:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 20:36:22,140 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 20:36:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 20:36:22,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 20:36:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-23 20:36:22,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-23 20:36:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:36:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 20:36:22,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 20:36:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:36:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 20:36:22,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 20:36:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 20:36:22,141 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 20:36:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-23 20:36:22,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-23 20:36:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 20:36:22,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 20:36:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2023-11-23 20:36:22,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2023-11-23 20:36:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 20:36:22,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 20:36:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2023-11-23 20:36:22,143 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2023-11-23 20:36:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 20:36:22,143 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 20:36:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-23 20:36:22,143 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-23 20:36:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2023-11-23 20:36:22,144 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2023-11-23 20:36:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 20:36:22,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 20:36:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2023-11-23 20:36:22,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2023-11-23 20:36:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2023-11-23 20:36:22,144 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2023-11-23 20:36:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:36:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2023-11-23 20:36:22,145 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2023-11-23 20:36:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:36:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2023-11-23 20:36:22,145 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2023-11-23 20:36:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 20:36:22,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 20:36:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 20:36:22,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 20:36:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:36:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 20:36:22,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 20:36:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2023-11-23 20:36:22,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2023-11-23 20:36:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-23 20:36:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-23 20:36:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 20:36:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 20:36:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2023-11-23 20:36:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2023-11-23 20:36:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2023-11-23 20:36:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2023-11-23 20:36:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2023-11-23 20:36:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2023-11-23 20:36:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-23 20:36:22,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-23 20:36:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2023-11-23 20:36:22,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2023-11-23 20:36:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 20:36:22,148 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 20:36:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2023-11-23 20:36:22,148 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2023-11-23 20:36:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-23 20:36:22,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-23 20:36:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-23 20:36:22,149 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-23 20:36:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2023-11-23 20:36:22,149 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2023-11-23 20:36:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2023-11-23 20:36:22,149 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2023-11-23 20:36:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:36:22,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:36:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2023-11-23 20:36:22,150 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2023-11-23 20:36:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-23 20:36:22,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-23 20:36:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2023-11-23 20:36:22,150 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2023-11-23 20:36:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 20:36:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 20:36:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 20:36:22,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 20:36:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2023-11-23 20:36:22,151 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2023-11-23 20:36:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 20:36:22,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 20:36:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-23 20:36:22,151 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-23 20:36:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2023-11-23 20:36:22,152 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2023-11-23 20:36:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2023-11-23 20:36:22,152 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2023-11-23 20:36:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-23 20:36:22,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-23 20:36:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2023-11-23 20:36:22,152 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2023-11-23 20:36:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2023-11-23 20:36:22,153 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2023-11-23 20:36:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2023-11-23 20:36:22,153 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2023-11-23 20:36:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2023-11-23 20:36:22,153 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2023-11-23 20:36:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2023-11-23 20:36:22,153 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2023-11-23 20:36:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:36:22,154 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:36:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2023-11-23 20:36:22,154 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2023-11-23 20:36:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 20:36:22,154 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 20:36:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2023-11-23 20:36:22,154 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2023-11-23 20:36:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2023-11-23 20:36:22,155 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2023-11-23 20:36:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2023-11-23 20:36:22,155 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2023-11-23 20:36:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2023-11-23 20:36:22,155 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2023-11-23 20:36:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-23 20:36:22,155 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-23 20:36:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2023-11-23 20:36:22,156 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2023-11-23 20:36:22,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:36:22,156 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2023-11-23 20:36:22,156 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2023-11-23 20:36:22,156 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2023-11-23 20:36:22,156 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2023-11-23 20:36:22,156 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2023-11-23 20:36:22,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2023-11-23 20:36:22,157 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2023-11-23 20:36:22,157 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2023-11-23 20:36:22,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:36:22,157 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2023-11-23 20:36:22,157 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2023-11-23 20:36:22,157 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2023-11-23 20:36:22,157 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2023-11-23 20:36:22,157 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2023-11-23 20:36:22,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2023-11-23 20:36:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:36:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-23 20:36:22,158 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-23 20:36:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2023-11-23 20:36:22,158 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2023-11-23 20:36:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 20:36:22,158 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 20:36:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 20:36:22,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 20:36:22,159 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-23 20:36:22,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-23 20:36:22,159 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2023-11-23 20:36:22,159 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2023-11-23 20:36:22,159 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2023-11-23 20:36:22,159 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2023-11-23 20:36:22,159 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 20:36:22,160 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 20:36:22,160 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-23 20:36:22,160 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-23 20:36:22,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-23 20:36:22,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-23 20:36:22,160 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2023-11-23 20:36:22,160 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2023-11-23 20:36:22,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 20:36:22,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 20:36:22,161 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-23 20:36:22,161 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-23 20:36:22,161 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2023-11-23 20:36:22,161 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2023-11-23 20:36:22,161 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2023-11-23 20:36:22,161 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2023-11-23 20:36:22,161 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2023-11-23 20:36:22,161 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2023-11-23 20:36:22,161 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2023-11-23 20:36:22,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2023-11-23 20:36:22,162 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-23 20:36:22,162 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-23 20:36:22,162 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-23 20:36:22,162 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-23 20:36:22,162 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 20:36:22,162 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 20:36:22,162 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2023-11-23 20:36:22,162 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2023-11-23 20:36:22,162 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-23 20:36:22,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-23 20:36:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_73 [2023-11-23 20:36:22,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_73 [2023-11-23 20:36:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2023-11-23 20:36:22,163 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2023-11-23 20:36:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:36:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2023-11-23 20:36:22,163 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2023-11-23 20:36:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 20:36:22,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 20:36:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2023-11-23 20:36:22,164 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2023-11-23 20:36:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-23 20:36:22,164 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-23 20:36:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2023-11-23 20:36:22,164 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2023-11-23 20:36:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-23 20:36:22,164 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-23 20:36:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2023-11-23 20:36:22,164 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2023-11-23 20:36:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2023-11-23 20:36:22,164 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2023-11-23 20:36:22,165 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2023-11-23 20:36:22,165 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2023-11-23 20:36:22,165 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2023-11-23 20:36:22,165 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2023-11-23 20:36:22,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 20:36:22,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 20:36:22,165 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2023-11-23 20:36:22,165 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2023-11-23 20:36:22,165 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2023-11-23 20:36:22,165 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2023-11-23 20:36:22,165 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2023-11-23 20:36:22,166 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2023-11-23 20:36:22,166 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2023-11-23 20:36:22,166 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2023-11-23 20:36:22,166 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2023-11-23 20:36:22,166 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2023-11-23 20:36:22,166 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2023-11-23 20:36:22,166 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2023-11-23 20:36:22,166 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-23 20:36:22,166 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-23 20:36:22,166 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2023-11-23 20:36:22,166 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2023-11-23 20:36:22,167 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2023-11-23 20:36:22,167 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2023-11-23 20:36:22,167 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-23 20:36:22,167 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-23 20:36:22,167 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2023-11-23 20:36:22,167 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2023-11-23 20:36:22,167 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2023-11-23 20:36:22,167 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2023-11-23 20:36:22,167 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2023-11-23 20:36:22,167 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2023-11-23 20:36:22,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:36:22,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 20:36:22,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 20:36:22,168 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-23 20:36:23,527 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:36:23,532 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:36:24,023 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 20:36:35,521 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:36:47,711 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:36:47,711 INFO L309 CfgBuilder]: Removed 17 assume(true) statements. [2023-11-23 20:36:47,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:47 BoogieIcfgContainer [2023-11-23 20:36:47,714 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:36:47,717 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:36:47,717 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:36:47,721 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:36:47,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:36:13" (1/3) ... [2023-11-23 20:36:47,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cba982d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:47, skipping insertion in model container [2023-11-23 20:36:47,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:20" (2/3) ... [2023-11-23 20:36:47,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cba982d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:47, skipping insertion in model container [2023-11-23 20:36:47,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:47" (3/3) ... [2023-11-23 20:36:47,724 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2023-11-23 20:36:47,745 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:36:47,745 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-23 20:36:47,863 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:36:47,877 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;@425fdc8f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:36:47,877 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-23 20:36:47,893 INFO L276 IsEmpty]: Start isEmpty. Operand has 3123 states, 1940 states have (on average 1.3278350515463917) internal successors, (2576), 2017 states have internal predecessors, (2576), 1044 states have call successors, (1044), 152 states have call predecessors, (1044), 151 states have return successors, (1035), 1021 states have call predecessors, (1035), 1035 states have call successors, (1035) [2023-11-23 20:36:47,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:36:47,907 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:47,908 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-11-23 20:36:47,908 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-23 20:36:47,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:47,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1971113254, now seen corresponding path program 1 times [2023-11-23 20:36:47,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:36:47,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897866048] [2023-11-23 20:36:47,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:47,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:36:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:49,518 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-23 20:36:49,519 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:36:49,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897866048] [2023-11-23 20:36:49,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897866048] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:36:49,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:36:49,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:36:49,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830850777] [2023-11-23 20:36:49,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:36:49,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 20:36:49,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:36:49,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 20:36:49,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:36:49,590 INFO L87 Difference]: Start difference. First operand has 3123 states, 1940 states have (on average 1.3278350515463917) internal successors, (2576), 2017 states have internal predecessors, (2576), 1044 states have call successors, (1044), 152 states have call predecessors, (1044), 151 states have return successors, (1035), 1021 states have call predecessors, (1035), 1035 states have call successors, (1035) Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-23 20:36:51,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:36:53,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:36:55,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []