./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_91583003-401c-4911-913e-74f5972a6427/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91583003-401c-4911-913e-74f5972a6427/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91583003-401c-4911-913e-74f5972a6427/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91583003-401c-4911-913e-74f5972a6427/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91583003-401c-4911-913e-74f5972a6427/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91583003-401c-4911-913e-74f5972a6427/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 992a1e8d90338cdabe7a076eea5104d9629c0e7f956adc14aa39d01d99d3f218 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:03:05,244 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:03:05,324 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91583003-401c-4911-913e-74f5972a6427/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-25 00:03:05,331 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:03:05,331 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:03:05,357 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:03:05,358 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:03:05,359 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:03:05,360 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:03:05,360 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:03:05,361 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:03:05,362 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:03:05,362 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:03:05,363 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:03:05,363 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:03:05,364 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:03:05,365 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:03:05,365 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:03:05,366 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:03:05,367 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:03:05,367 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:03:05,368 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:03:05,369 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:03:05,369 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:03:05,370 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:03:05,370 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:03:05,371 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:03:05,371 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:03:05,372 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:03:05,372 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:03:05,373 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:03:05,374 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:03:05,374 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:03:05,374 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:03:05,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:03:05,375 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:03:05,375 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:03:05,376 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:03:05,376 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:03:05,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:03:05,377 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:03:05,377 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:03:05,377 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:03:05,378 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:03:05,378 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_91583003-401c-4911-913e-74f5972a6427/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91583003-401c-4911-913e-74f5972a6427/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 992a1e8d90338cdabe7a076eea5104d9629c0e7f956adc14aa39d01d99d3f218 [2023-11-25 00:03:05,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:03:05,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:03:05,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:03:05,750 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:03:05,750 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:03:05,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91583003-401c-4911-913e-74f5972a6427/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2023-11-25 00:03:09,049 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:03:09,968 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:03:09,969 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91583003-401c-4911-913e-74f5972a6427/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2023-11-25 00:03:10,078 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91583003-401c-4911-913e-74f5972a6427/bin/utaipan-verify-SwPr7d2a91/data/a99dc0a10/e51933443701401b96dbfdd4ab2341e8/FLAG7761701d6 [2023-11-25 00:03:10,099 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91583003-401c-4911-913e-74f5972a6427/bin/utaipan-verify-SwPr7d2a91/data/a99dc0a10/e51933443701401b96dbfdd4ab2341e8 [2023-11-25 00:03:10,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:03:10,109 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:03:10,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:03:10,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:03:10,120 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:03:10,121 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:03:10" (1/1) ... [2023-11-25 00:03:10,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@460dfcbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:10, skipping insertion in model container [2023-11-25 00:03:10,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:03:10" (1/1) ... [2023-11-25 00:03:10,401 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:03:15,435 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_91583003-401c-4911-913e-74f5972a6427/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[492962,492975] [2023-11-25 00:03:15,439 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_91583003-401c-4911-913e-74f5972a6427/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[493107,493120] [2023-11-25 00:03:15,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:03:15,519 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:03:15,647 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)); [5801] [2023-11-25 00:03:15,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5808] [2023-11-25 00:03:15,655 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)); [5910-5911] [2023-11-25 00:03:15,657 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)); [5944-5945] [2023-11-25 00:03:15,658 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)); [5982-5983] [2023-11-25 00:03:15,659 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)); [6019-6020] [2023-11-25 00:03:15,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6279] [2023-11-25 00:03:15,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6306] [2023-11-25 00:03:15,709 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7271] [2023-11-25 00:03:15,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7389] [2023-11-25 00:03:15,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7508] [2023-11-25 00:03:15,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8524] [2023-11-25 00:03:15,768 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"); [9092] [2023-11-25 00:03:15,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [9099] [2023-11-25 00:03:15,770 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)); [9145-9146] [2023-11-25 00:03:15,770 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"); [9151-9153] [2023-11-25 00:03:15,780 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/linux/netdevice.h"), "i" (502), "i" (12UL)); [9415-9416] [2023-11-25 00:03:15,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9422] [2023-11-25 00:03:15,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9685] [2023-11-25 00:03:15,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10278] [2023-11-25 00:03:15,901 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10538] [2023-11-25 00:03:16,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [14852] [2023-11-25 00:03:16,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [15477] [2023-11-25 00:03:16,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [15954] [2023-11-25 00:03:16,103 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_91583003-401c-4911-913e-74f5972a6427/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[492962,492975] [2023-11-25 00:03:16,104 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_91583003-401c-4911-913e-74f5972a6427/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[493107,493120] [2023-11-25 00:03:16,113 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:03:16,505 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:03:16,513 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:03:16,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:16 WrapperNode [2023-11-25 00:03:16,514 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:03:16,515 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:03:16,515 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:03:16,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:03:16,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:16" (1/1) ... [2023-11-25 00:03:16,728 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:16" (1/1) ... [2023-11-25 00:03:17,239 INFO L138 Inliner]: procedures = 567, calls = 5543, calls flagged for inlining = 290, calls inlined = 264, statements flattened = 14454 [2023-11-25 00:03:17,240 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:03:17,241 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:03:17,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:03:17,242 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:03:17,252 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:16" (1/1) ... [2023-11-25 00:03:17,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:16" (1/1) ... [2023-11-25 00:03:17,333 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:16" (1/1) ... [2023-11-25 00:03:17,333 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:16" (1/1) ... [2023-11-25 00:03:17,694 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:16" (1/1) ... [2023-11-25 00:03:17,752 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:16" (1/1) ... [2023-11-25 00:03:17,830 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:16" (1/1) ... [2023-11-25 00:03:17,877 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:16" (1/1) ... [2023-11-25 00:03:18,128 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:03:18,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:03:18,130 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:03:18,132 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:03:18,133 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:16" (1/1) ... [2023-11-25 00:03:18,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:03:18,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91583003-401c-4911-913e-74f5972a6427/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:03:18,167 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91583003-401c-4911-913e-74f5972a6427/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:03:18,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91583003-401c-4911-913e-74f5972a6427/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:03:18,219 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2023-11-25 00:03:18,220 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2023-11-25 00:03:18,221 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_media_task [2023-11-25 00:03:18,221 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_media_task [2023-11-25 00:03:18,221 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-25 00:03:18,221 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-25 00:03:18,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-25 00:03:18,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-25 00:03:18,222 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-25 00:03:18,222 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-25 00:03:18,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84 [2023-11-25 00:03:18,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84 [2023-11-25 00:03:18,223 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-25 00:03:18,223 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-25 00:03:18,223 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2023-11-25 00:03:18,223 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2023-11-25 00:03:18,223 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2023-11-25 00:03:18,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2023-11-25 00:03:18,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-25 00:03:18,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-25 00:03:18,224 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-25 00:03:18,224 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-25 00:03:18,224 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-25 00:03:18,224 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-25 00:03:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-25 00:03:18,225 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-25 00:03:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-25 00:03:18,225 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-25 00:03:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-25 00:03:18,226 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-25 00:03:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-25 00:03:18,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-25 00:03:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-25 00:03:18,227 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-25 00:03:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-25 00:03:18,228 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-25 00:03:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-25 00:03:18,229 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-25 00:03:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-25 00:03:18,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-25 00:03:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-25 00:03:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-25 00:03:18,230 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-25 00:03:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-25 00:03:18,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-25 00:03:18,231 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2023-11-25 00:03:18,232 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2023-11-25 00:03:18,232 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-25 00:03:18,232 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-25 00:03:18,232 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-25 00:03:18,232 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-25 00:03:18,232 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-25 00:03:18,233 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-25 00:03:18,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-25 00:03:18,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-25 00:03:18,233 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-25 00:03:18,233 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-25 00:03:18,233 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-25 00:03:18,234 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-25 00:03:18,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:03:18,235 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2023-11-25 00:03:18,235 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2023-11-25 00:03:18,235 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_resume [2023-11-25 00:03:18,236 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_resume [2023-11-25 00:03:18,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-25 00:03:18,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-25 00:03:18,236 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2023-11-25 00:03:18,236 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2023-11-25 00:03:18,236 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-25 00:03:18,237 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-25 00:03:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2023-11-25 00:03:18,237 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2023-11-25 00:03:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2023-11-25 00:03:18,237 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2023-11-25 00:03:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_media_task [2023-11-25 00:03:18,238 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_media_task [2023-11-25 00:03:18,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-25 00:03:18,238 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___5 [2023-11-25 00:03:18,238 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___5 [2023-11-25 00:03:18,238 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2023-11-25 00:03:18,238 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2023-11-25 00:03:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-25 00:03:18,239 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-25 00:03:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-25 00:03:18,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-25 00:03:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-25 00:03:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-25 00:03:18,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-25 00:03:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-25 00:03:18,241 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-25 00:03:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:03:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-25 00:03:18,242 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-25 00:03:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-25 00:03:18,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-25 00:03:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-25 00:03:18,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-25 00:03:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-25 00:03:18,243 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-25 00:03:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-25 00:03:18,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-25 00:03:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-25 00:03:18,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-25 00:03:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-25 00:03:18,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-25 00:03:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-25 00:03:18,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-25 00:03:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_timer [2023-11-25 00:03:18,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_timer [2023-11-25 00:03:18,245 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-25 00:03:18,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-25 00:03:18,245 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-25 00:03:18,246 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-25 00:03:18,246 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2023-11-25 00:03:18,246 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2023-11-25 00:03:18,246 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2023-11-25 00:03:18,246 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2023-11-25 00:03:18,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:03:18,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-25 00:03:18,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-25 00:03:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-25 00:03:18,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-25 00:03:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-25 00:03:18,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-25 00:03:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-25 00:03:18,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-25 00:03:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:03:18,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-25 00:03:18,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-25 00:03:18,255 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-25 00:03:18,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-25 00:03:18,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:03:18,261 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2023-11-25 00:03:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2023-11-25 00:03:18,262 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-25 00:03:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-25 00:03:18,262 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-11-25 00:03:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-11-25 00:03:18,262 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:03:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:03:18,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-25 00:03:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-25 00:03:18,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-25 00:03:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-25 00:03:18,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tulip_private [2023-11-25 00:03:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tulip_private [2023-11-25 00:03:18,264 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-25 00:03:18,264 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-25 00:03:18,264 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-25 00:03:18,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-25 00:03:18,264 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-25 00:03:18,264 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-25 00:03:18,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-25 00:03:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-25 00:03:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mii_lock_of_tulip_private [2023-11-25 00:03:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mii_lock_of_tulip_private [2023-11-25 00:03:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-25 00:03:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-25 00:03:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-25 00:03:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-25 00:03:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tulip_private [2023-11-25 00:03:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tulip_private [2023-11-25 00:03:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:03:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:03:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_close [2023-11-25 00:03:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_close [2023-11-25 00:03:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-25 00:03:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-25 00:03:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-25 00:03:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-25 00:03:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2023-11-25 00:03:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2023-11-25 00:03:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-25 00:03:18,268 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-25 00:03:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2023-11-25 00:03:18,268 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2023-11-25 00:03:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-25 00:03:18,268 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-25 00:03:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2023-11-25 00:03:18,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2023-11-25 00:03:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2023-11-25 00:03:18,269 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2023-11-25 00:03:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-25 00:03:18,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-25 00:03:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2023-11-25 00:03:18,269 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2023-11-25 00:03:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2023-11-25 00:03:18,270 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2023-11-25 00:03:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-25 00:03:18,270 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-25 00:03:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2023-11-25 00:03:18,270 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2023-11-25 00:03:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2023-11-25 00:03:18,271 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2023-11-25 00:03:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-25 00:03:18,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-25 00:03:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-25 00:03:18,271 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-25 00:03:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure comet_timer [2023-11-25 00:03:18,271 INFO L138 BoogieDeclarations]: Found implementation of procedure comet_timer [2023-11-25 00:03:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2023-11-25 00:03:18,272 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2023-11-25 00:03:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-25 00:03:18,272 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-25 00:03:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:03:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2023-11-25 00:03:18,272 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2023-11-25 00:03:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-25 00:03:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-25 00:03:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:03:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-25 00:03:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-25 00:03:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-25 00:03:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-25 00:03:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2023-11-25 00:03:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2023-11-25 00:03:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:03:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-25 00:03:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-25 00:03:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2023-11-25 00:03:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2023-11-25 00:03:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2023-11-25 00:03:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2023-11-25 00:03:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-25 00:03:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-25 00:03:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2023-11-25 00:03:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2023-11-25 00:03:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-25 00:03:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-25 00:03:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-25 00:03:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-25 00:03:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure mxic_timer [2023-11-25 00:03:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure mxic_timer [2023-11-25 00:03:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-25 00:03:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-25 00:03:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-25 00:03:18,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-25 00:03:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2023-11-25 00:03:18,277 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2023-11-25 00:03:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-25 00:03:18,277 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-25 00:03:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2023-11-25 00:03:18,277 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2023-11-25 00:03:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84___0 [2023-11-25 00:03:18,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84___0 [2023-11-25 00:03:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_timer [2023-11-25 00:03:18,278 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_timer [2023-11-25 00:03:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_84 [2023-11-25 00:03:18,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_84 [2023-11-25 00:03:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-25 00:03:18,283 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-25 00:03:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-25 00:03:18,284 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-25 00:03:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-25 00:03:18,284 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-25 00:03:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-25 00:03:18,284 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-25 00:03:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-25 00:03:18,286 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-25 00:03:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:03:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2023-11-25 00:03:18,287 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2023-11-25 00:03:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-25 00:03:18,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-25 00:03:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_85 [2023-11-25 00:03:18,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_85 [2023-11-25 00:03:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2023-11-25 00:03:18,288 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2023-11-25 00:03:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2023-11-25 00:03:18,288 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2023-11-25 00:03:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-25 00:03:18,288 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-25 00:03:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_open [2023-11-25 00:03:18,288 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_open [2023-11-25 00:03:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-25 00:03:18,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-25 00:03:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-25 00:03:18,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-25 00:03:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-25 00:03:18,289 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-25 00:03:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-25 00:03:18,289 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-25 00:03:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-25 00:03:18,290 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-25 00:03:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2023-11-25 00:03:18,290 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2023-11-25 00:03:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-25 00:03:18,290 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-25 00:03:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2023-11-25 00:03:18,290 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2023-11-25 00:03:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:03:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_timer [2023-11-25 00:03:18,291 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_timer [2023-11-25 00:03:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-25 00:03:18,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-25 00:03:19,588 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:03:19,593 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:03:21,238 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-25 00:03:32,903 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-25 00:03:33,151 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:03:44,248 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:03:44,249 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-25 00:03:44,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:03:44 BoogieIcfgContainer [2023-11-25 00:03:44,252 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:03:44,254 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:03:44,255 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:03:44,259 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:03:44,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:03:10" (1/3) ... [2023-11-25 00:03:44,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4762c8e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:03:44, skipping insertion in model container [2023-11-25 00:03:44,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:16" (2/3) ... [2023-11-25 00:03:44,262 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4762c8e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:03:44, skipping insertion in model container [2023-11-25 00:03:44,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:03:44" (3/3) ... [2023-11-25 00:03:44,264 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2023-11-25 00:03:44,286 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:03:44,286 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:03:44,400 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:03:44,407 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;@69a04526, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:03:44,407 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:03:44,424 INFO L276 IsEmpty]: Start isEmpty. Operand has 2988 states, 1791 states have (on average 1.3366834170854272) internal successors, (2394), 1884 states have internal predecessors, (2394), 1059 states have call successors, (1059), 139 states have call predecessors, (1059), 138 states have return successors, (1052), 1016 states have call predecessors, (1052), 1052 states have call successors, (1052) [2023-11-25 00:03:44,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-25 00:03:44,476 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:03:44,477 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 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] [2023-11-25 00:03:44,478 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:03:44,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:03:44,486 INFO L85 PathProgramCache]: Analyzing trace with hash -613212858, now seen corresponding path program 1 times [2023-11-25 00:03:44,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:03:44,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678366573] [2023-11-25 00:03:44,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:03:44,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:03:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:03:46,202 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2023-11-25 00:03:46,203 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:03:46,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678366573] [2023-11-25 00:03:46,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678366573] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:03:46,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:03:46,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:03:46,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595001292] [2023-11-25 00:03:46,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:03:46,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:03:46,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:03:46,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:03:46,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:03:46,265 INFO L87 Difference]: Start difference. First operand has 2988 states, 1791 states have (on average 1.3366834170854272) internal successors, (2394), 1884 states have internal predecessors, (2394), 1059 states have call successors, (1059), 139 states have call predecessors, (1059), 138 states have return successors, (1052), 1016 states have call predecessors, (1052), 1052 states have call successors, (1052) Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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)