./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8974760-2bc1-49cb-9ae9-b2def8512fc8/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8974760-2bc1-49cb-9ae9-b2def8512fc8/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_e8974760-2bc1-49cb-9ae9-b2def8512fc8/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8974760-2bc1-49cb-9ae9-b2def8512fc8/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8974760-2bc1-49cb-9ae9-b2def8512fc8/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_e8974760-2bc1-49cb-9ae9-b2def8512fc8/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 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:37:07,929 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:37:08,053 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8974760-2bc1-49cb-9ae9-b2def8512fc8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 20:37:08,060 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:37:08,061 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:37:08,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:37:08,108 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:37:08,109 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:37:08,110 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:37:08,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:37:08,116 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:37:08,117 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:37:08,117 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:37:08,119 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:37:08,120 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:37:08,120 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:37:08,121 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:37:08,121 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:37:08,121 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:37:08,122 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:37:08,122 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:37:08,123 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:37:08,124 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:37:08,125 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:37:08,125 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:37:08,125 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:37:08,126 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:37:08,126 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:37:08,127 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:37:08,127 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:37:08,128 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:37:08,129 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:37:08,129 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:37:08,129 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:37:08,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:37:08,130 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:37:08,130 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:37:08,130 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:37:08,131 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:37:08,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:37:08,131 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:37:08,131 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:37:08,132 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:37:08,132 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:37:08,133 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_e8974760-2bc1-49cb-9ae9-b2def8512fc8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8974760-2bc1-49cb-9ae9-b2def8512fc8/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 [2023-11-23 20:37:08,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:37:08,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:37:08,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:37:08,470 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:37:08,470 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:37:08,471 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8974760-2bc1-49cb-9ae9-b2def8512fc8/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2023-11-23 20:37:11,527 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:37:12,278 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:37:12,279 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8974760-2bc1-49cb-9ae9-b2def8512fc8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2023-11-23 20:37:12,361 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8974760-2bc1-49cb-9ae9-b2def8512fc8/bin/utaipan-verify-mE87zJ7Ire/data/3081a8b8a/5127113e62c446d4b2f02587c61e74c4/FLAG1f044c4dd [2023-11-23 20:37:12,379 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8974760-2bc1-49cb-9ae9-b2def8512fc8/bin/utaipan-verify-mE87zJ7Ire/data/3081a8b8a/5127113e62c446d4b2f02587c61e74c4 [2023-11-23 20:37:12,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:37:12,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:37:12,391 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:37:12,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:37:12,397 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:37:12,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:37:12" (1/1) ... [2023-11-23 20:37:12,399 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37de06e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:12, skipping insertion in model container [2023-11-23 20:37:12,399 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:37:12" (1/1) ... [2023-11-23 20:37:12,657 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:37:17,516 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_e8974760-2bc1-49cb-9ae9-b2def8512fc8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2023-11-23 20:37:17,520 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_e8974760-2bc1-49cb-9ae9-b2def8512fc8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2023-11-23 20:37:17,521 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_e8974760-2bc1-49cb-9ae9-b2def8512fc8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2023-11-23 20:37:17,522 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_e8974760-2bc1-49cb-9ae9-b2def8512fc8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2023-11-23 20:37:17,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:37:17,613 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:37:17,783 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"); [5373] [2023-11-23 20:37:17,785 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)); [5380] [2023-11-23 20:37:17,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5387] [2023-11-23 20:37:17,788 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/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5442-5443] [2023-11-23 20:37:17,789 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"); [5448-5450] [2023-11-23 20:37:17,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5558] [2023-11-23 20:37:17,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5566] [2023-11-23 20:37:17,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5573] [2023-11-23 20:37:17,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5581] [2023-11-23 20:37:17,801 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)); [5732-5733] [2023-11-23 20:37:17,803 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)); [5766-5767] [2023-11-23 20:37:17,858 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6794] [2023-11-23 20:37:17,876 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7068] [2023-11-23 20:37:17,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7494] [2023-11-23 20:37:17,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7502] [2023-11-23 20:37:17,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7899] [2023-11-23 20:37:17,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7901] [2023-11-23 20:37:18,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10963] [2023-11-23 20:37:18,277 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_e8974760-2bc1-49cb-9ae9-b2def8512fc8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2023-11-23 20:37:18,277 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_e8974760-2bc1-49cb-9ae9-b2def8512fc8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2023-11-23 20:37:18,278 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_e8974760-2bc1-49cb-9ae9-b2def8512fc8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2023-11-23 20:37:18,279 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_e8974760-2bc1-49cb-9ae9-b2def8512fc8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2023-11-23 20:37:18,287 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:37:18,626 WARN L675 CHandler]: The function strstr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:37:18,627 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:37:18,627 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:37:18,635 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:37:18,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:18 WrapperNode [2023-11-23 20:37:18,636 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:37:18,637 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:37:18,638 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:37:18,638 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:37:18,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:18" (1/1) ... [2023-11-23 20:37:18,816 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:18" (1/1) ... [2023-11-23 20:37:19,259 INFO L138 Inliner]: procedures = 544, calls = 4299, calls flagged for inlining = 248, calls inlined = 231, statements flattened = 10444 [2023-11-23 20:37:19,260 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:37:19,261 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:37:19,261 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:37:19,261 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:37:19,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:18" (1/1) ... [2023-11-23 20:37:19,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:18" (1/1) ... [2023-11-23 20:37:19,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:18" (1/1) ... [2023-11-23 20:37:19,349 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:18" (1/1) ... [2023-11-23 20:37:19,716 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:18" (1/1) ... [2023-11-23 20:37:19,767 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:18" (1/1) ... [2023-11-23 20:37:19,805 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:18" (1/1) ... [2023-11-23 20:37:19,833 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:18" (1/1) ... [2023-11-23 20:37:19,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:37:19,901 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:37:19,901 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:37:19,901 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:37:19,902 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:18" (1/1) ... [2023-11-23 20:37:19,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:37:19,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8974760-2bc1-49cb-9ae9-b2def8512fc8/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:37:19,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8974760-2bc1-49cb-9ae9-b2def8512fc8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:37:19,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8974760-2bc1-49cb-9ae9-b2def8512fc8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:37:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2023-11-23 20:37:19,979 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2023-11-23 20:37:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 20:37:19,980 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 20:37:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 20:37:19,980 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 20:37:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 20:37:19,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 20:37:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2023-11-23 20:37:19,982 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2023-11-23 20:37:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2023-11-23 20:37:19,982 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2023-11-23 20:37:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2023-11-23 20:37:19,983 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2023-11-23 20:37:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2023-11-23 20:37:19,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2023-11-23 20:37:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 20:37:19,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 20:37:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2023-11-23 20:37:19,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2023-11-23 20:37:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2023-11-23 20:37:19,984 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2023-11-23 20:37:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2023-11-23 20:37:19,984 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2023-11-23 20:37:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 20:37:19,985 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 20:37:19,985 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2023-11-23 20:37:19,985 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2023-11-23 20:37:19,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2023-11-23 20:37:19,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2023-11-23 20:37:19,985 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 20:37:19,986 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 20:37:19,986 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2023-11-23 20:37:19,987 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2023-11-23 20:37:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2023-11-23 20:37:19,988 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2023-11-23 20:37:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2023-11-23 20:37:19,989 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2023-11-23 20:37:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 20:37:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2023-11-23 20:37:19,989 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2023-11-23 20:37:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2023-11-23 20:37:19,989 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2023-11-23 20:37:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-23 20:37:19,990 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-23 20:37:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 20:37:19,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 20:37:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2023-11-23 20:37:19,991 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2023-11-23 20:37:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2023-11-23 20:37:19,991 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2023-11-23 20:37:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-23 20:37:19,991 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-23 20:37:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 20:37:19,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 20:37:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2023-11-23 20:37:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2023-11-23 20:37:19,992 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2023-11-23 20:37:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:37:19,993 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-11-23 20:37:19,993 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-11-23 20:37:19,993 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-23 20:37:19,994 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-23 20:37:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-11-23 20:37:19,994 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-11-23 20:37:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2023-11-23 20:37:19,994 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2023-11-23 20:37:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 20:37:19,994 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 20:37:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 20:37:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-23 20:37:19,995 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-23 20:37:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2023-11-23 20:37:19,995 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2023-11-23 20:37:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2023-11-23 20:37:19,996 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2023-11-23 20:37:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 20:37:19,996 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 20:37:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 20:37:19,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 20:37:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-23 20:37:19,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-23 20:37:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:37:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 20:37:19,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 20:37:19,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:37:19,998 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 20:37:19,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 20:37:19,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 20:37:19,998 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 20:37:19,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-23 20:37:20,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-23 20:37:20,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 20:37:20,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 20:37:20,000 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2023-11-23 20:37:20,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2023-11-23 20:37:20,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 20:37:20,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 20:37:20,001 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2023-11-23 20:37:20,001 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2023-11-23 20:37:20,001 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 20:37:20,001 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 20:37:20,001 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-23 20:37:20,001 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-23 20:37:20,002 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2023-11-23 20:37:20,002 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2023-11-23 20:37:20,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 20:37:20,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 20:37:20,003 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2023-11-23 20:37:20,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2023-11-23 20:37:20,003 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2023-11-23 20:37:20,005 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2023-11-23 20:37:20,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:37:20,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 20:37:20,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 20:37:20,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 20:37:20,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 20:37:20,006 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2023-11-23 20:37:20,006 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2023-11-23 20:37:20,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:37:20,007 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2023-11-23 20:37:20,010 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2023-11-23 20:37:20,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 20:37:20,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 20:37:20,011 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 20:37:20,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 20:37:20,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:37:20,013 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 20:37:20,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 20:37:20,014 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2023-11-23 20:37:20,020 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2023-11-23 20:37:20,020 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-23 20:37:20,020 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-23 20:37:20,020 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 20:37:20,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 20:37:20,021 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2023-11-23 20:37:20,021 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2023-11-23 20:37:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2023-11-23 20:37:20,022 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2023-11-23 20:37:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2023-11-23 20:37:20,022 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2023-11-23 20:37:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-23 20:37:20,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-23 20:37:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2023-11-23 20:37:20,022 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2023-11-23 20:37:20,023 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 20:37:20,023 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 20:37:20,023 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2023-11-23 20:37:20,023 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2023-11-23 20:37:20,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-23 20:37:20,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-23 20:37:20,023 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-23 20:37:20,024 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-23 20:37:20,024 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2023-11-23 20:37:20,024 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2023-11-23 20:37:20,024 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2023-11-23 20:37:20,024 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2023-11-23 20:37:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:37:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:37:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2023-11-23 20:37:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2023-11-23 20:37:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-23 20:37:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-23 20:37:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2023-11-23 20:37:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2023-11-23 20:37:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 20:37:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 20:37:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 20:37:20,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 20:37:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2023-11-23 20:37:20,026 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2023-11-23 20:37:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 20:37:20,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 20:37:20,027 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-23 20:37:20,027 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-23 20:37:20,027 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2023-11-23 20:37:20,027 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2023-11-23 20:37:20,027 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2023-11-23 20:37:20,027 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2023-11-23 20:37:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-23 20:37:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-23 20:37:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2023-11-23 20:37:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2023-11-23 20:37:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2023-11-23 20:37:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2023-11-23 20:37:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2023-11-23 20:37:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2023-11-23 20:37:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2023-11-23 20:37:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2023-11-23 20:37:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2023-11-23 20:37:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2023-11-23 20:37:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:37:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:37:20,030 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2023-11-23 20:37:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2023-11-23 20:37:20,030 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 20:37:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 20:37:20,030 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2023-11-23 20:37:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2023-11-23 20:37:20,030 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2023-11-23 20:37:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2023-11-23 20:37:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2023-11-23 20:37:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2023-11-23 20:37:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2023-11-23 20:37:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2023-11-23 20:37:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-23 20:37:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-23 20:37:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2023-11-23 20:37:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2023-11-23 20:37:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:37:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2023-11-23 20:37:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2023-11-23 20:37:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2023-11-23 20:37:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2023-11-23 20:37:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2023-11-23 20:37:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2023-11-23 20:37:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2023-11-23 20:37:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2023-11-23 20:37:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:37:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2023-11-23 20:37:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2023-11-23 20:37:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2023-11-23 20:37:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2023-11-23 20:37:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2023-11-23 20:37:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2023-11-23 20:37:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:37:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-23 20:37:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-23 20:37:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2023-11-23 20:37:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2023-11-23 20:37:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 20:37:20,035 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 20:37:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 20:37:20,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 20:37:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-23 20:37:20,035 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-23 20:37:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2023-11-23 20:37:20,035 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2023-11-23 20:37:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2023-11-23 20:37:20,036 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2023-11-23 20:37:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 20:37:20,036 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 20:37:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-23 20:37:20,036 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-23 20:37:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-23 20:37:20,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-23 20:37:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2023-11-23 20:37:20,038 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2023-11-23 20:37:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 20:37:20,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 20:37:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-23 20:37:20,042 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-23 20:37:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2023-11-23 20:37:20,042 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2023-11-23 20:37:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2023-11-23 20:37:20,043 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2023-11-23 20:37:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2023-11-23 20:37:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2023-11-23 20:37:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2023-11-23 20:37:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2023-11-23 20:37:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-23 20:37:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-23 20:37:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-23 20:37:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-23 20:37:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 20:37:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 20:37:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2023-11-23 20:37:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2023-11-23 20:37:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-23 20:37:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-23 20:37:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_73 [2023-11-23 20:37:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_73 [2023-11-23 20:37:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2023-11-23 20:37:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2023-11-23 20:37:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:37:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2023-11-23 20:37:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2023-11-23 20:37:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 20:37:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 20:37:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2023-11-23 20:37:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2023-11-23 20:37:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-23 20:37:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-23 20:37:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2023-11-23 20:37:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2023-11-23 20:37:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-23 20:37:20,049 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-23 20:37:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2023-11-23 20:37:20,049 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2023-11-23 20:37:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2023-11-23 20:37:20,049 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2023-11-23 20:37:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2023-11-23 20:37:20,050 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2023-11-23 20:37:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2023-11-23 20:37:20,050 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2023-11-23 20:37:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 20:37:20,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 20:37:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2023-11-23 20:37:20,050 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2023-11-23 20:37:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2023-11-23 20:37:20,051 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2023-11-23 20:37:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2023-11-23 20:37:20,051 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2023-11-23 20:37:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2023-11-23 20:37:20,051 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2023-11-23 20:37:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2023-11-23 20:37:20,051 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2023-11-23 20:37:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2023-11-23 20:37:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2023-11-23 20:37:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-23 20:37:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-23 20:37:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2023-11-23 20:37:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2023-11-23 20:37:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2023-11-23 20:37:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2023-11-23 20:37:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-23 20:37:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-23 20:37:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2023-11-23 20:37:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2023-11-23 20:37:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2023-11-23 20:37:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2023-11-23 20:37:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2023-11-23 20:37:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2023-11-23 20:37:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:37:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 20:37:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 20:37:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-23 20:37:21,396 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:37:21,402 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:37:21,810 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 20:37:33,608 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 20:37:34,036 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:37:45,528 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:37:45,528 INFO L309 CfgBuilder]: Removed 17 assume(true) statements. [2023-11-23 20:37:45,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:37:45 BoogieIcfgContainer [2023-11-23 20:37:45,532 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:37:45,535 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:37:45,535 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:37:45,539 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:37:45,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:37:12" (1/3) ... [2023-11-23 20:37:45,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@89192db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:37:45, skipping insertion in model container [2023-11-23 20:37:45,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:18" (2/3) ... [2023-11-23 20:37:45,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@89192db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:37:45, skipping insertion in model container [2023-11-23 20:37:45,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:37:45" (3/3) ... [2023-11-23 20:37:45,542 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2023-11-23 20:37:45,563 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:37:45,563 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-23 20:37:45,723 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:37:45,734 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;@482d9994, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:37:45,734 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-23 20:37:45,753 INFO L276 IsEmpty]: Start isEmpty. Operand has 3228 states, 2020 states have (on average 1.3346534653465347) internal successors, (2696), 2082 states have internal predecessors, (2696), 1068 states have call successors, (1068), 154 states have call predecessors, (1068), 153 states have return successors, (1061), 1047 states have call predecessors, (1061), 1061 states have call successors, (1061) [2023-11-23 20:37:45,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-23 20:37:45,789 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:45,790 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:37:45,790 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 20:37:45,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:45,797 INFO L85 PathProgramCache]: Analyzing trace with hash -618734507, now seen corresponding path program 1 times [2023-11-23 20:37:45,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:37:45,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362283618] [2023-11-23 20:37:45,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:45,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:37:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:47,562 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2023-11-23 20:37:47,563 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:37:47,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362283618] [2023-11-23 20:37:47,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362283618] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:47,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:47,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:37:47,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305207535] [2023-11-23 20:37:47,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:47,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:37:47,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:37:47,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:37:47,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:37:47,629 INFO L87 Difference]: Start difference. First operand has 3228 states, 2020 states have (on average 1.3346534653465347) internal successors, (2696), 2082 states have internal predecessors, (2696), 1068 states have call successors, (1068), 154 states have call predecessors, (1068), 153 states have return successors, (1061), 1047 states have call predecessors, (1061), 1061 states have call successors, (1061) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-23 20:37:49,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:51,731 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 []