./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 0e0057cc 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_db89e395-b873-4165-a805-071cf0f63743/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db89e395-b873-4165-a805-071cf0f63743/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db89e395-b873-4165-a805-071cf0f63743/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db89e395-b873-4165-a805-071cf0f63743/bin/utaipan-verify-SwPr7d2a91/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_db89e395-b873-4165-a805-071cf0f63743/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db89e395-b873-4165-a805-071cf0f63743/bin/utaipan-verify-SwPr7d2a91 --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 0.2.4-dev-0e0057c [2023-11-25 00:00:27,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:00:27,150 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db89e395-b873-4165-a805-071cf0f63743/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-25 00:00:27,157 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:00:27,158 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:00:27,197 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:00:27,198 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:00:27,199 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:00:27,200 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:00:27,205 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:00:27,205 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:00:27,206 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:00:27,206 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:00:27,208 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:00:27,209 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:00:27,209 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:00:27,210 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:00:27,210 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:00:27,211 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:00:27,211 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:00:27,212 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:00:27,213 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:00:27,214 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:00:27,214 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:00:27,215 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:00:27,215 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:00:27,216 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:00:27,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:00:27,217 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:00:27,217 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:00:27,219 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:00:27,219 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:00:27,219 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:00:27,220 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:00:27,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:00:27,220 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:00:27,221 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:00:27,221 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:00:27,221 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:00:27,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:00:27,222 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:00:27,222 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:00:27,223 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:00:27,223 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:00:27,224 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_db89e395-b873-4165-a805-071cf0f63743/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db89e395-b873-4165-a805-071cf0f63743/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 527ba95af45b5d863cb3ca1867267fd54ac6958329e64d7162c5caa88bde96c3 [2023-11-25 00:00:27,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:00:27,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:00:27,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:00:27,564 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:00:27,565 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:00:27,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db89e395-b873-4165-a805-071cf0f63743/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2023-11-25 00:00:30,691 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:00:31,543 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:00:31,543 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db89e395-b873-4165-a805-071cf0f63743/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2023-11-25 00:00:31,618 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db89e395-b873-4165-a805-071cf0f63743/bin/utaipan-verify-SwPr7d2a91/data/01585b18b/ff05f0161d934bd3ab942694f7359c22/FLAG08e0dcf81 [2023-11-25 00:00:31,638 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db89e395-b873-4165-a805-071cf0f63743/bin/utaipan-verify-SwPr7d2a91/data/01585b18b/ff05f0161d934bd3ab942694f7359c22 [2023-11-25 00:00:31,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:00:31,645 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:00:31,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:00:31,649 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:00:31,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:00:31,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:00:31" (1/1) ... [2023-11-25 00:00:31,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d186dd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:31, skipping insertion in model container [2023-11-25 00:00:31,658 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:00:31" (1/1) ... [2023-11-25 00:00:31,985 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:00:37,011 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_db89e395-b873-4165-a805-071cf0f63743/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[470813,470826] [2023-11-25 00:00:37,018 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_db89e395-b873-4165-a805-071cf0f63743/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[470982,470995] [2023-11-25 00:00:37,021 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_db89e395-b873-4165-a805-071cf0f63743/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[471149,471162] [2023-11-25 00:00:37,022 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_db89e395-b873-4165-a805-071cf0f63743/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[471317,471330] [2023-11-25 00:00:37,073 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:00:37,151 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:00:37,331 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] [2023-11-25 00:00:37,334 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] [2023-11-25 00:00:37,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5410] [2023-11-25 00:00:37,337 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] [2023-11-25 00:00:37,337 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] [2023-11-25 00:00:37,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5581] [2023-11-25 00:00:37,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5589] [2023-11-25 00:00:37,342 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5596] [2023-11-25 00:00:37,342 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5604] [2023-11-25 00:00:37,349 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] [2023-11-25 00:00:37,352 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] [2023-11-25 00:00:37,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6817] [2023-11-25 00:00:37,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7091] [2023-11-25 00:00:37,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7517] [2023-11-25 00:00:37,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7525] [2023-11-25 00:00:37,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7922] [2023-11-25 00:00:37,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7924] [2023-11-25 00:00:37,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10986] [2023-11-25 00:00:37,969 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_db89e395-b873-4165-a805-071cf0f63743/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[470813,470826] [2023-11-25 00:00:37,970 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_db89e395-b873-4165-a805-071cf0f63743/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[470982,470995] [2023-11-25 00:00:37,971 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_db89e395-b873-4165-a805-071cf0f63743/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[471149,471162] [2023-11-25 00:00:37,972 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_db89e395-b873-4165-a805-071cf0f63743/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[471317,471330] [2023-11-25 00:00:37,985 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:00:38,267 WARN L675 CHandler]: The function strstr is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:00:38,267 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:00:38,267 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:00:38,277 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:00:38,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:38 WrapperNode [2023-11-25 00:00:38,278 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:00:38,280 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:00:38,280 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:00:38,281 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:00:38,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:38" (1/1) ... [2023-11-25 00:00:38,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:38" (1/1) ... [2023-11-25 00:00:38,979 INFO L138 Inliner]: procedures = 526, calls = 4283, calls flagged for inlining = 232, calls inlined = 215, statements flattened = 10415 [2023-11-25 00:00:38,980 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:00:38,981 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:00:38,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:00:38,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:00:38,994 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:38" (1/1) ... [2023-11-25 00:00:38,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:38" (1/1) ... [2023-11-25 00:00:39,089 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:38" (1/1) ... [2023-11-25 00:00:39,089 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:38" (1/1) ... [2023-11-25 00:00:39,439 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:38" (1/1) ... [2023-11-25 00:00:39,499 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:38" (1/1) ... [2023-11-25 00:00:39,549 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:38" (1/1) ... [2023-11-25 00:00:39,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:38" (1/1) ... [2023-11-25 00:00:39,674 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:00:39,675 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:00:39,675 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:00:39,675 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:00:39,676 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:38" (1/1) ... [2023-11-25 00:00:39,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:00:39,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db89e395-b873-4165-a805-071cf0f63743/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:00:39,714 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db89e395-b873-4165-a805-071cf0f63743/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:00:39,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db89e395-b873-4165-a805-071cf0f63743/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:00:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2023-11-25 00:00:39,770 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2023-11-25 00:00:39,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-25 00:00:39,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-25 00:00:39,771 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-25 00:00:39,772 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-25 00:00:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-25 00:00:39,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-25 00:00:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2023-11-25 00:00:39,773 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2023-11-25 00:00:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2023-11-25 00:00:39,774 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2023-11-25 00:00:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2023-11-25 00:00:39,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2023-11-25 00:00:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2023-11-25 00:00:39,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2023-11-25 00:00:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-25 00:00:39,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-25 00:00:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2023-11-25 00:00:39,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2023-11-25 00:00:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2023-11-25 00:00:39,775 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2023-11-25 00:00:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2023-11-25 00:00:39,776 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2023-11-25 00:00:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-25 00:00:39,776 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-25 00:00:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2023-11-25 00:00:39,777 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2023-11-25 00:00:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2023-11-25 00:00:39,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2023-11-25 00:00:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-25 00:00:39,778 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-25 00:00:39,778 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2023-11-25 00:00:39,778 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2023-11-25 00:00:39,779 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2023-11-25 00:00:39,780 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2023-11-25 00:00:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2023-11-25 00:00:39,781 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2023-11-25 00:00:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-25 00:00:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2023-11-25 00:00:39,781 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2023-11-25 00:00:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2023-11-25 00:00:39,782 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2023-11-25 00:00:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-25 00:00:39,782 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-25 00:00:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-25 00:00:39,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-25 00:00:39,783 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2023-11-25 00:00:39,783 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2023-11-25 00:00:39,784 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2023-11-25 00:00:39,784 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2023-11-25 00:00:39,784 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-25 00:00:39,784 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-25 00:00:39,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-25 00:00:39,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-25 00:00:39,785 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2023-11-25 00:00:39,785 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2023-11-25 00:00:39,785 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2023-11-25 00:00:39,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:00:39,786 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-11-25 00:00:39,786 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-11-25 00:00:39,787 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-25 00:00:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-25 00:00:39,787 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-11-25 00:00:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-11-25 00:00:39,787 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2023-11-25 00:00:39,788 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2023-11-25 00:00:39,788 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-25 00:00:39,788 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-25 00:00:39,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-25 00:00:39,788 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-25 00:00:39,788 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-25 00:00:39,789 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2023-11-25 00:00:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2023-11-25 00:00:39,789 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2023-11-25 00:00:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2023-11-25 00:00:39,789 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-25 00:00:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-25 00:00:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-25 00:00:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-25 00:00:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-25 00:00:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-25 00:00:39,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-25 00:00:39,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-25 00:00:39,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-25 00:00:39,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:00:39,792 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-25 00:00:39,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-25 00:00:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-25 00:00:39,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-25 00:00:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-25 00:00:39,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-25 00:00:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-25 00:00:39,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-25 00:00:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2023-11-25 00:00:39,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2023-11-25 00:00:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-25 00:00:39,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-25 00:00:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2023-11-25 00:00:39,796 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2023-11-25 00:00:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-25 00:00:39,796 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-25 00:00:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-25 00:00:39,796 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-25 00:00:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2023-11-25 00:00:39,797 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2023-11-25 00:00:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-25 00:00:39,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-25 00:00:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2023-11-25 00:00:39,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2023-11-25 00:00:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2023-11-25 00:00:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2023-11-25 00:00:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:00:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2023-11-25 00:00:39,801 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2023-11-25 00:00:39,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:00:39,801 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2023-11-25 00:00:39,801 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2023-11-25 00:00:39,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-25 00:00:39,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-25 00:00:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-25 00:00:39,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-25 00:00:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:00:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:00:39,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:00:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2023-11-25 00:00:39,809 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2023-11-25 00:00:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-25 00:00:39,811 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-25 00:00:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-25 00:00:39,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-25 00:00:39,816 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2023-11-25 00:00:39,816 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2023-11-25 00:00:39,817 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2023-11-25 00:00:39,817 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2023-11-25 00:00:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2023-11-25 00:00:39,818 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2023-11-25 00:00:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-25 00:00:39,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-25 00:00:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2023-11-25 00:00:39,819 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2023-11-25 00:00:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-25 00:00:39,819 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-25 00:00:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2023-11-25 00:00:39,819 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2023-11-25 00:00:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-25 00:00:39,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-25 00:00:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-25 00:00:39,820 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-25 00:00:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2023-11-25 00:00:39,820 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2023-11-25 00:00:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2023-11-25 00:00:39,821 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2023-11-25 00:00:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:00:39,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:00:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2023-11-25 00:00:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2023-11-25 00:00:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-25 00:00:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-25 00:00:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2023-11-25 00:00:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2023-11-25 00:00:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-25 00:00:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-25 00:00:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-25 00:00:39,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-25 00:00:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2023-11-25 00:00:39,823 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2023-11-25 00:00:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-25 00:00:39,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-25 00:00:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-25 00:00:39,824 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-25 00:00:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2023-11-25 00:00:39,824 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2023-11-25 00:00:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2023-11-25 00:00:39,825 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2023-11-25 00:00:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-25 00:00:39,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-25 00:00:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2023-11-25 00:00:39,825 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2023-11-25 00:00:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2023-11-25 00:00:39,826 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2023-11-25 00:00:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2023-11-25 00:00:39,826 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2023-11-25 00:00:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2023-11-25 00:00:39,826 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2023-11-25 00:00:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2023-11-25 00:00:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2023-11-25 00:00:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-25 00:00:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-25 00:00:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2023-11-25 00:00:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2023-11-25 00:00:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-25 00:00:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-25 00:00:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2023-11-25 00:00:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2023-11-25 00:00:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2023-11-25 00:00:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2023-11-25 00:00:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2023-11-25 00:00:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2023-11-25 00:00:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2023-11-25 00:00:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2023-11-25 00:00:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-25 00:00:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-25 00:00:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2023-11-25 00:00:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2023-11-25 00:00:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:00:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2023-11-25 00:00:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2023-11-25 00:00:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2023-11-25 00:00:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2023-11-25 00:00:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2023-11-25 00:00:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2023-11-25 00:00:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2023-11-25 00:00:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2023-11-25 00:00:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:00:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2023-11-25 00:00:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2023-11-25 00:00:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2023-11-25 00:00:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2023-11-25 00:00:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2023-11-25 00:00:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2023-11-25 00:00:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:00:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-25 00:00:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-25 00:00:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2023-11-25 00:00:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2023-11-25 00:00:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-25 00:00:39,834 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-25 00:00:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-25 00:00:39,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-25 00:00:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-25 00:00:39,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-25 00:00:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2023-11-25 00:00:39,835 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2023-11-25 00:00:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2023-11-25 00:00:39,835 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2023-11-25 00:00:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-25 00:00:39,835 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-25 00:00:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-25 00:00:39,836 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-25 00:00:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-25 00:00:39,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-25 00:00:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2023-11-25 00:00:39,837 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2023-11-25 00:00:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-25 00:00:39,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-25 00:00:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-25 00:00:39,838 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-25 00:00:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2023-11-25 00:00:39,843 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2023-11-25 00:00:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2023-11-25 00:00:39,843 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2023-11-25 00:00:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2023-11-25 00:00:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2023-11-25 00:00:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2023-11-25 00:00:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2023-11-25 00:00:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-25 00:00:39,845 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-25 00:00:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-25 00:00:39,849 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-25 00:00:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-25 00:00:39,849 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-25 00:00:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2023-11-25 00:00:39,849 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2023-11-25 00:00:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-25 00:00:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-25 00:00:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_73 [2023-11-25 00:00:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_73 [2023-11-25 00:00:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2023-11-25 00:00:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2023-11-25 00:00:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:00:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2023-11-25 00:00:39,851 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2023-11-25 00:00:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-25 00:00:39,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-25 00:00:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2023-11-25 00:00:39,851 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2023-11-25 00:00:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-25 00:00:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-25 00:00:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2023-11-25 00:00:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2023-11-25 00:00:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-25 00:00:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-25 00:00:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2023-11-25 00:00:39,853 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2023-11-25 00:00:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2023-11-25 00:00:39,853 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2023-11-25 00:00:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2023-11-25 00:00:39,853 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2023-11-25 00:00:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2023-11-25 00:00:39,853 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2023-11-25 00:00:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-25 00:00:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-25 00:00:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2023-11-25 00:00:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2023-11-25 00:00:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2023-11-25 00:00:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2023-11-25 00:00:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2023-11-25 00:00:39,855 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2023-11-25 00:00:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2023-11-25 00:00:39,855 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2023-11-25 00:00:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2023-11-25 00:00:39,855 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2023-11-25 00:00:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2023-11-25 00:00:39,856 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2023-11-25 00:00:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-25 00:00:39,856 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-25 00:00:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2023-11-25 00:00:39,856 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2023-11-25 00:00:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2023-11-25 00:00:39,856 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2023-11-25 00:00:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-25 00:00:39,857 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-25 00:00:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2023-11-25 00:00:39,857 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2023-11-25 00:00:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2023-11-25 00:00:39,857 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2023-11-25 00:00:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2023-11-25 00:00:39,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2023-11-25 00:00:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:00:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-25 00:00:39,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-25 00:00:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-25 00:00:41,481 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:00:41,489 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:00:41,981 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-25 00:00:55,266 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:01:07,900 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:01:07,900 INFO L309 CfgBuilder]: Removed 17 assume(true) statements. [2023-11-25 00:01:07,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:07 BoogieIcfgContainer [2023-11-25 00:01:07,905 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:01:07,910 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:01:07,910 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:01:07,916 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:01:07,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:00:31" (1/3) ... [2023-11-25 00:01:07,920 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b1a1a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:01:07, skipping insertion in model container [2023-11-25 00:01:07,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:38" (2/3) ... [2023-11-25 00:01:07,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b1a1a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:01:07, skipping insertion in model container [2023-11-25 00:01:07,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:07" (3/3) ... [2023-11-25 00:01:07,924 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2023-11-25 00:01:07,955 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:01:07,956 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-25 00:01:08,149 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:01:08,162 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;@340ffe69, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:01:08,162 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-25 00:01:08,189 INFO L276 IsEmpty]: Start isEmpty. Operand has 3125 states, 1942 states have (on average 1.3274974253347065) internal successors, (2578), 2017 states have internal predecessors, (2578), 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) [2023-11-25 00:01:08,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-25 00:01:08,208 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:01:08,210 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] [2023-11-25 00:01:08,211 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)] === [2023-11-25 00:01:08,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:01:08,221 INFO L85 PathProgramCache]: Analyzing trace with hash -417742318, now seen corresponding path program 1 times [2023-11-25 00:01:08,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:01:08,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579661695] [2023-11-25 00:01:08,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:08,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:01:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:01:10,541 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-25 00:01:10,542 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:01:10,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579661695] [2023-11-25 00:01:10,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579661695] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:01:10,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:01:10,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:01:10,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823169479] [2023-11-25 00:01:10,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:01:10,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-25 00:01:10,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:01:10,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-25 00:01:10,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:01:10,626 INFO L87 Difference]: Start difference. First operand has 3125 states, 1942 states have (on average 1.3274974253347065) internal successors, (2578), 2017 states have internal predecessors, (2578), 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)