./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.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_670d65b4-4895-43b9-bcad-6d82afd48034/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670d65b4-4895-43b9-bcad-6d82afd48034/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_670d65b4-4895-43b9-bcad-6d82afd48034/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670d65b4-4895-43b9-bcad-6d82afd48034/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670d65b4-4895-43b9-bcad-6d82afd48034/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_670d65b4-4895-43b9-bcad-6d82afd48034/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 c097d45bf953c22cc618c35d7b4a2d8fd3613a03309b6d0b505b710dc0ccbe6f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:31:42,711 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:31:42,860 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670d65b4-4895-43b9-bcad-6d82afd48034/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:31:42,868 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:31:42,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:31:42,909 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:31:42,910 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:31:42,911 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:31:42,912 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:31:42,917 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:31:42,917 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:31:42,918 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:31:42,918 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:31:42,920 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:31:42,920 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:31:42,921 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:31:42,921 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:31:42,922 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:31:42,922 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:31:42,923 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:31:42,923 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:31:42,928 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:31:42,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:31:42,930 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:31:42,931 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:31:42,931 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:31:42,931 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:31:42,932 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:31:42,932 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:31:42,933 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:31:42,934 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:31:42,934 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:31:42,935 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:31:42,935 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:31:42,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:42,936 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:31:42,936 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:31:42,936 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:31:42,936 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:31:42,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:31:42,937 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:31:42,937 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:31:42,938 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:31:42,938 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:31:42,938 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_670d65b4-4895-43b9-bcad-6d82afd48034/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670d65b4-4895-43b9-bcad-6d82afd48034/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c097d45bf953c22cc618c35d7b4a2d8fd3613a03309b6d0b505b710dc0ccbe6f [2023-11-23 21:31:43,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:31:43,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:31:43,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:31:43,294 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:31:43,294 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:31:43,296 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670d65b4-4895-43b9-bcad-6d82afd48034/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-23 21:31:46,441 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:31:47,164 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:31:47,165 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670d65b4-4895-43b9-bcad-6d82afd48034/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-23 21:31:47,218 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670d65b4-4895-43b9-bcad-6d82afd48034/bin/utaipan-verify-mE87zJ7Ire/data/7d7f60d2d/1c9e0a01704e49429a8d8aa64d2d0b35/FLAG07d6e553f [2023-11-23 21:31:47,237 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670d65b4-4895-43b9-bcad-6d82afd48034/bin/utaipan-verify-mE87zJ7Ire/data/7d7f60d2d/1c9e0a01704e49429a8d8aa64d2d0b35 [2023-11-23 21:31:47,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:31:47,244 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:31:47,247 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:47,247 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:31:47,253 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:31:47,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:47" (1/1) ... [2023-11-23 21:31:47,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7acda0e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:47, skipping insertion in model container [2023-11-23 21:31:47,255 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:47" (1/1) ... [2023-11-23 21:31:47,499 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:31:50,766 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_670d65b4-4895-43b9-bcad-6d82afd48034/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348277,348290] [2023-11-23 21:31:50,771 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_670d65b4-4895-43b9-bcad-6d82afd48034/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348422,348435] [2023-11-23 21:31:50,787 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:50,848 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:31:51,021 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"); [5296] [2023-11-23 21:31:51,023 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)); [5303] [2023-11-23 21:31:51,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5310] [2023-11-23 21:31:51,027 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/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5365-5366] [2023-11-23 21:31:51,027 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"); [5371-5373] [2023-11-23 21:31:51,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5478] [2023-11-23 21:31:51,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5486] [2023-11-23 21:31:51,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5493] [2023-11-23 21:31:51,038 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)); [5606-5607] [2023-11-23 21:31:51,041 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)); [5640-5641] [2023-11-23 21:31:51,043 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" (79), "i" (12UL)); [5681-5682] [2023-11-23 21:31:51,044 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" (91), "i" (12UL)); [5710-5711] [2023-11-23 21:31:51,046 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" (103), "i" (12UL)); [5747-5748] [2023-11-23 21:31:51,047 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" (115), "i" (12UL)); [5784-5785] [2023-11-23 21:31:51,088 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6722] [2023-11-23 21:31:51,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7493] [2023-11-23 21:31:51,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7503] [2023-11-23 21:31:51,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7518] [2023-11-23 21:31:51,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8304] [2023-11-23 21:31:51,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8337] [2023-11-23 21:31:51,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8360] [2023-11-23 21:31:51,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8601] [2023-11-23 21:31:51,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8631] [2023-11-23 21:31:51,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8644] [2023-11-23 21:31:51,382 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_670d65b4-4895-43b9-bcad-6d82afd48034/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348277,348290] [2023-11-23 21:31:51,382 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_670d65b4-4895-43b9-bcad-6d82afd48034/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348422,348435] [2023-11-23 21:31:51,388 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:51,642 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:31:51,643 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:31:51,650 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:31:51,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:51 WrapperNode [2023-11-23 21:31:51,651 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:51,652 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:51,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:31:51,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:31:51,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:51" (1/1) ... [2023-11-23 21:31:51,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:51" (1/1) ... [2023-11-23 21:31:52,082 INFO L138 Inliner]: procedures = 444, calls = 2249, calls flagged for inlining = 215, calls inlined = 200, statements flattened = 6178 [2023-11-23 21:31:52,083 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:52,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:31:52,084 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:31:52,084 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:31:52,094 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:51" (1/1) ... [2023-11-23 21:31:52,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:51" (1/1) ... [2023-11-23 21:31:52,131 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:51" (1/1) ... [2023-11-23 21:31:52,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:51" (1/1) ... [2023-11-23 21:31:52,289 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:51" (1/1) ... [2023-11-23 21:31:52,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:51" (1/1) ... [2023-11-23 21:31:52,439 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:51" (1/1) ... [2023-11-23 21:31:52,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:51" (1/1) ... [2023-11-23 21:31:52,524 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:31:52,526 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:31:52,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:31:52,528 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:31:52,529 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:51" (1/1) ... [2023-11-23 21:31:52,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:52,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670d65b4-4895-43b9-bcad-6d82afd48034/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:31:52,562 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670d65b4-4895-43b9-bcad-6d82afd48034/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:31:52,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670d65b4-4895-43b9-bcad-6d82afd48034/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:31:52,606 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-23 21:31:52,607 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2023-11-23 21:31:52,607 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2023-11-23 21:31:52,607 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-23 21:31:52,608 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-23 21:31:52,608 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-23 21:31:52,608 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-23 21:31:52,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:31:52,608 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:31:52,608 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2023-11-23 21:31:52,608 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2023-11-23 21:31:52,609 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2023-11-23 21:31:52,609 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2023-11-23 21:31:52,609 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2023-11-23 21:31:52,609 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2023-11-23 21:31:52,609 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 21:31:52,609 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 21:31:52,610 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2023-11-23 21:31:52,610 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2023-11-23 21:31:52,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:31:52,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:31:52,610 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 21:31:52,610 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 21:31:52,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_87 [2023-11-23 21:31:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_87 [2023-11-23 21:31:52,611 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2023-11-23 21:31:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2023-11-23 21:31:52,611 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:31:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:31:52,611 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2023-11-23 21:31:52,612 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2023-11-23 21:31:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-23 21:31:52,612 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-23 21:31:52,613 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2023-11-23 21:31:52,613 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2023-11-23 21:31:52,614 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2023-11-23 21:31:52,614 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2023-11-23 21:31:52,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-11-23 21:31:52,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-11-23 21:31:52,615 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:31:52,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:31:52,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:31:52,615 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-23 21:31:52,615 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-23 21:31:52,615 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-23 21:31:52,616 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-23 21:31:52,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2023-11-23 21:31:52,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2023-11-23 21:31:52,617 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-23 21:31:52,617 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-23 21:31:52,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:31:52,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:31:52,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:31:52,618 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-23 21:31:52,618 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-23 21:31:52,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-11-23 21:31:52,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-11-23 21:31:52,618 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 21:31:52,619 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 21:31:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:31:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:31:52,620 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:31:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:31:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:31:52,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:31:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:31:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:31:52,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:31:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-23 21:31:52,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-23 21:31:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-23 21:31:52,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-23 21:31:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 21:31:52,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 21:31:52,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:31:52,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:31:52,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 21:31:52,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 21:31:52,622 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2023-11-23 21:31:52,622 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2023-11-23 21:31:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2023-11-23 21:31:52,623 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2023-11-23 21:31:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:31:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 21:31:52,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 21:31:52,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 21:31:52,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 21:31:52,624 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2023-11-23 21:31:52,625 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2023-11-23 21:31:52,625 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-23 21:31:52,625 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-23 21:31:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:31:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2023-11-23 21:31:52,626 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2023-11-23 21:31:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:31:52,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:31:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:31:52,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:31:52,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:31:52,627 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:31:52,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:31:52,627 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:31:52,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:31:52,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-23 21:31:52,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-23 21:31:52,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-23 21:31:52,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-23 21:31:52,628 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-23 21:31:52,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-23 21:31:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-23 21:31:52,630 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-23 21:31:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:31:52,630 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:31:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-23 21:31:52,631 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-23 21:31:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-23 21:31:52,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-23 21:31:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-23 21:31:52,632 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-23 21:31:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2023-11-23 21:31:52,635 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2023-11-23 21:31:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:31:52,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:31:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2023-11-23 21:31:52,637 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2023-11-23 21:31:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-23 21:31:52,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-23 21:31:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:31:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2023-11-23 21:31:52,645 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2023-11-23 21:31:52,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:31:52,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:31:52,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:31:52,645 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-23 21:31:52,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-23 21:31:52,646 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-23 21:31:52,646 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-23 21:31:52,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-23 21:31:52,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-23 21:31:52,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2023-11-23 21:31:52,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2023-11-23 21:31:52,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:31:52,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:31:52,647 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 21:31:52,647 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 21:31:52,647 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-23 21:31:52,647 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-23 21:31:52,647 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-23 21:31:52,647 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-23 21:31:52,647 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-23 21:31:52,648 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-23 21:31:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:31:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:31:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-23 21:31:52,648 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-23 21:31:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_86 [2023-11-23 21:31:52,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_86 [2023-11-23 21:31:52,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:31:52,649 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:31:52,649 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:31:52,649 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 21:31:52,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 21:31:52,649 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2023-11-23 21:31:52,650 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2023-11-23 21:31:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 21:31:52,650 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 21:31:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:31:52,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:31:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-23 21:31:52,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-23 21:31:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2023-11-23 21:31:52,651 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2023-11-23 21:31:52,651 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2023-11-23 21:31:52,651 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2023-11-23 21:31:52,651 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-23 21:31:52,651 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-23 21:31:52,651 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 21:31:52,651 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 21:31:52,651 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2023-11-23 21:31:52,652 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2023-11-23 21:31:52,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:31:52,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:31:52,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:31:52,652 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-23 21:31:52,652 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-23 21:31:52,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:31:52,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:31:52,653 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-23 21:31:52,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-23 21:31:52,653 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-11-23 21:31:52,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-11-23 21:31:52,653 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-23 21:31:52,653 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-23 21:31:52,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:31:52,654 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-23 21:31:52,654 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-23 21:31:52,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:31:52,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:31:52,654 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-23 21:31:52,654 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-23 21:31:52,654 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2023-11-23 21:31:52,654 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2023-11-23 21:31:53,546 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:31:53,556 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:31:54,281 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:31:58,350 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 21:31:58,655 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:32:02,854 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:32:02,854 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:32:02,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:02 BoogieIcfgContainer [2023-11-23 21:32:02,858 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:32:02,860 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:32:02,861 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:32:02,864 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:32:02,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:31:47" (1/3) ... [2023-11-23 21:32:02,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f9bac23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:02, skipping insertion in model container [2023-11-23 21:32:02,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:51" (2/3) ... [2023-11-23 21:32:02,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f9bac23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:02, skipping insertion in model container [2023-11-23 21:32:02,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:02" (3/3) ... [2023-11-23 21:32:02,872 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-23 21:32:02,896 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:32:02,896 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:32:02,999 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:32:03,009 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;@6a92325a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:32:03,009 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:32:03,027 INFO L276 IsEmpty]: Start isEmpty. Operand has 1758 states, 1027 states have (on average 1.3028237585199611) internal successors, (1338), 1061 states have internal predecessors, (1338), 639 states have call successors, (639), 92 states have call predecessors, (639), 91 states have return successors, (633), 622 states have call predecessors, (633), 633 states have call successors, (633) [2023-11-23 21:32:03,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-23 21:32:03,087 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:03,088 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:32:03,089 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:03,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:03,095 INFO L85 PathProgramCache]: Analyzing trace with hash 648448480, now seen corresponding path program 1 times [2023-11-23 21:32:03,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:03,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146722786] [2023-11-23 21:32:03,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:03,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:04,478 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-23 21:32:04,481 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:32:04,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146722786] [2023-11-23 21:32:04,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146722786] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:04,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:04,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:32:04,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381160842] [2023-11-23 21:32:04,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:04,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:32:04,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:32:04,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:32:04,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:32:04,548 INFO L87 Difference]: Start difference. First operand has 1758 states, 1027 states have (on average 1.3028237585199611) internal successors, (1338), 1061 states have internal predecessors, (1338), 639 states have call successors, (639), 92 states have call predecessors, (639), 91 states have return successors, (633), 622 states have call predecessors, (633), 633 states have call successors, (633) Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-23 21:32:09,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:10,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:10,526 INFO L93 Difference]: Finished difference Result 5002 states and 7471 transitions. [2023-11-23 21:32:10,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:32:10,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 144 [2023-11-23 21:32:10,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:10,598 INFO L225 Difference]: With dead ends: 5002 [2023-11-23 21:32:10,599 INFO L226 Difference]: Without dead ends: 3194 [2023-11-23 21:32:10,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:32:10,631 INFO L413 NwaCegarLoop]: 2640 mSDtfsCounter, 2239 mSDsluCounter, 2252 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2239 SdHoareTripleChecker+Valid, 4892 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:10,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2239 Valid, 4892 Invalid, 726 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 719 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2023-11-23 21:32:10,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3194 states. [2023-11-23 21:32:10,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3194 to 3190. [2023-11-23 21:32:11,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3190 states, 1872 states have (on average 1.295405982905983) internal successors, (2425), 1939 states have internal predecessors, (2425), 1141 states have call successors, (1141), 177 states have call predecessors, (1141), 176 states have return successors, (1154), 1115 states have call predecessors, (1154), 1141 states have call successors, (1154) [2023-11-23 21:32:11,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3190 states to 3190 states and 4720 transitions. [2023-11-23 21:32:11,062 INFO L78 Accepts]: Start accepts. Automaton has 3190 states and 4720 transitions. Word has length 144 [2023-11-23 21:32:11,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:11,064 INFO L495 AbstractCegarLoop]: Abstraction has 3190 states and 4720 transitions. [2023-11-23 21:32:11,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-23 21:32:11,065 INFO L276 IsEmpty]: Start isEmpty. Operand 3190 states and 4720 transitions. [2023-11-23 21:32:11,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-23 21:32:11,084 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:11,085 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:32:11,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:32:11,085 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:11,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:11,086 INFO L85 PathProgramCache]: Analyzing trace with hash -494106079, now seen corresponding path program 1 times [2023-11-23 21:32:11,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:11,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884081461] [2023-11-23 21:32:11,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:11,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:11,948 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-23 21:32:11,949 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:32:11,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884081461] [2023-11-23 21:32:11,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884081461] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:11,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:11,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:32:11,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010994849] [2023-11-23 21:32:11,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:11,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:32:11,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:32:11,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:32:11,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:32:11,959 INFO L87 Difference]: Start difference. First operand 3190 states and 4720 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-23 21:32:15,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:18,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:18,352 INFO L93 Difference]: Finished difference Result 8751 states and 12947 transitions. [2023-11-23 21:32:18,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:32:18,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 137 [2023-11-23 21:32:18,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:18,432 INFO L225 Difference]: With dead ends: 8751 [2023-11-23 21:32:18,433 INFO L226 Difference]: Without dead ends: 5578 [2023-11-23 21:32:18,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:32:18,466 INFO L413 NwaCegarLoop]: 2578 mSDtfsCounter, 1902 mSDsluCounter, 2171 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1902 SdHoareTripleChecker+Valid, 4749 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:18,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1902 Valid, 4749 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 770 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2023-11-23 21:32:18,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5578 states. [2023-11-23 21:32:18,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5578 to 5574. [2023-11-23 21:32:18,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5574 states, 3262 states have (on average 1.2881667688534642) internal successors, (4202), 3379 states have internal predecessors, (4202), 2002 states have call successors, (2002), 310 states have call predecessors, (2002), 309 states have return successors, (2015), 1960 states have call predecessors, (2015), 2002 states have call successors, (2015) [2023-11-23 21:32:19,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5574 states to 5574 states and 8219 transitions. [2023-11-23 21:32:19,025 INFO L78 Accepts]: Start accepts. Automaton has 5574 states and 8219 transitions. Word has length 137 [2023-11-23 21:32:19,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:19,026 INFO L495 AbstractCegarLoop]: Abstraction has 5574 states and 8219 transitions. [2023-11-23 21:32:19,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-23 21:32:19,027 INFO L276 IsEmpty]: Start isEmpty. Operand 5574 states and 8219 transitions. [2023-11-23 21:32:19,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-23 21:32:19,051 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:19,052 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:32:19,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:32:19,052 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:19,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:19,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1919717435, now seen corresponding path program 1 times [2023-11-23 21:32:19,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:19,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159062605] [2023-11-23 21:32:19,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:19,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:19,807 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2023-11-23 21:32:19,808 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:32:19,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159062605] [2023-11-23 21:32:19,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159062605] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:19,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:19,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:32:19,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359979926] [2023-11-23 21:32:19,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:19,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:32:19,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:32:19,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:32:19,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:32:19,812 INFO L87 Difference]: Start difference. First operand 5574 states and 8219 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-23 21:32:24,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:24,256 INFO L93 Difference]: Finished difference Result 14755 states and 21656 transitions. [2023-11-23 21:32:24,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:32:24,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 197 [2023-11-23 21:32:24,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:24,367 INFO L225 Difference]: With dead ends: 14755 [2023-11-23 21:32:24,368 INFO L226 Difference]: Without dead ends: 9198 [2023-11-23 21:32:24,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:32:24,421 INFO L413 NwaCegarLoop]: 2444 mSDtfsCounter, 2270 mSDsluCounter, 1827 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2270 SdHoareTripleChecker+Valid, 4271 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:24,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2270 Valid, 4271 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-23 21:32:24,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9198 states. [2023-11-23 21:32:25,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9198 to 9176. [2023-11-23 21:32:25,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9176 states, 5397 states have (on average 1.289420048174912) internal successors, (6959), 5594 states have internal predecessors, (6959), 3219 states have call successors, (3219), 576 states have call predecessors, (3219), 559 states have return successors, (3259), 3120 states have call predecessors, (3259), 3219 states have call successors, (3259) [2023-11-23 21:32:25,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9176 states to 9176 states and 13437 transitions. [2023-11-23 21:32:25,325 INFO L78 Accepts]: Start accepts. Automaton has 9176 states and 13437 transitions. Word has length 197 [2023-11-23 21:32:25,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:25,327 INFO L495 AbstractCegarLoop]: Abstraction has 9176 states and 13437 transitions. [2023-11-23 21:32:25,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-23 21:32:25,328 INFO L276 IsEmpty]: Start isEmpty. Operand 9176 states and 13437 transitions. [2023-11-23 21:32:25,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-23 21:32:25,348 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:25,348 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:32:25,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:32:25,349 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:25,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:25,350 INFO L85 PathProgramCache]: Analyzing trace with hash 560076751, now seen corresponding path program 1 times [2023-11-23 21:32:25,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:25,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352087120] [2023-11-23 21:32:25,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:25,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:25,878 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2023-11-23 21:32:25,878 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:32:25,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352087120] [2023-11-23 21:32:25,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352087120] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:25,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:25,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:32:25,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431922032] [2023-11-23 21:32:25,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:25,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:32:25,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:32:25,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:32:25,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:32:25,882 INFO L87 Difference]: Start difference. First operand 9176 states and 13437 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32)