./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfab03e-0d63-44d6-87a4-13e55baf34eb/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfab03e-0d63-44d6-87a4-13e55baf34eb/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfab03e-0d63-44d6-87a4-13e55baf34eb/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfab03e-0d63-44d6-87a4-13e55baf34eb/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfab03e-0d63-44d6-87a4-13e55baf34eb/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfab03e-0d63-44d6-87a4-13e55baf34eb/bin/utaipan-verify-sOmjnqqW8E --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 3c7180be0629e9a0656fd9fc52d5b3ae804deb1e2c1641d5e88fc72d6eeae4e4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:05:54,310 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:05:54,381 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfab03e-0d63-44d6-87a4-13e55baf34eb/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 05:05:54,387 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:05:54,387 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:05:54,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:05:54,414 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:05:54,414 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:05:54,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:05:54,414 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:05:54,414 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:05:54,415 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:05:54,415 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:05:54,415 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:05:54,415 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:05:54,415 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:05:54,415 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:05:54,415 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:05:54,415 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:05:54,416 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:05:54,416 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:05:54,416 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:05:54,416 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:05:54,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:05:54,417 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:05:54,417 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:05:54,417 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:05:54,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:05:54,417 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:05:54,417 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:05:54,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:05:54,417 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:05:54,418 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:05:54,418 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:05:54,418 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:05:54,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:05:54,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:05:54,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:05:54,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:05:54,418 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:05:54,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:05:54,419 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:05:54,419 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:05:54,419 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:05:54,419 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_cbfab03e-0d63-44d6-87a4-13e55baf34eb/bin/utaipan-verify-sOmjnqqW8E 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 -> 3c7180be0629e9a0656fd9fc52d5b3ae804deb1e2c1641d5e88fc72d6eeae4e4 [2024-11-14 05:05:54,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:05:54,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:05:54,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:05:54,748 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:05:54,749 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:05:54,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfab03e-0d63-44d6-87a4-13e55baf34eb/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i Unable to find full path for "g++" [2024-11-14 05:05:56,689 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:05:57,396 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:05:57,396 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfab03e-0d63-44d6-87a4-13e55baf34eb/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i [2024-11-14 05:05:57,457 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfab03e-0d63-44d6-87a4-13e55baf34eb/bin/utaipan-verify-sOmjnqqW8E/data/d92cbc0dc/4ffafc4a0f114b09b2d4df292a964ebf/FLAGcac1d64ba [2024-11-14 05:05:57,483 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfab03e-0d63-44d6-87a4-13e55baf34eb/bin/utaipan-verify-sOmjnqqW8E/data/d92cbc0dc/4ffafc4a0f114b09b2d4df292a964ebf [2024-11-14 05:05:57,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:05:57,489 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:05:57,491 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:05:57,491 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:05:57,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:05:57,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:05:57" (1/1) ... [2024-11-14 05:05:57,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55fa0a19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:05:57, skipping insertion in model container [2024-11-14 05:05:57,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:05:57" (1/1) ... [2024-11-14 05:05:57,652 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:06:00,343 WARN L250 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_cbfab03e-0d63-44d6-87a4-13e55baf34eb/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i[346956,346969] [2024-11-14 05:06:00,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:06:00,631 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:06:00,789 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"); [4858] [2024-11-14 05:06:00,791 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)); [4865] [2024-11-14 05:06:00,792 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 %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4872-4873] [2024-11-14 05:06:00,796 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 *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/inst/current/envs/linux-3.8-rc1/linux-3.8-rc1/arch/x86/include/asm/paravirt.h"), "i" (825), "i" (12UL)); [4914-4915] [2024-11-14 05:06:00,796 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" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [4920-4922] [2024-11-14 05:06:00,799 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 *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/inst/current/envs/linux-3.8-rc1/linux-3.8-rc1/arch/x86/include/asm/paravirt.h"), "i" (830), "i" (12UL)); [4943-4944] [2024-11-14 05:06:00,799 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" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [4949-4951] [2024-11-14 05:06:00,800 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 *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/inst/current/envs/linux-3.8-rc1/linux-3.8-rc1/arch/x86/include/asm/paravirt.h"), "i" (835), "i" (12UL)); [4971-4972] [2024-11-14 05:06:00,802 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" (47UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [4977-4979] [2024-11-14 05:06:00,827 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)); [5247-5248] [2024-11-14 05:06:00,830 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)); [5275-5276] [2024-11-14 05:06:00,864 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)); [5304-5305] [2024-11-14 05:06:00,865 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)); [5333-5334] [2024-11-14 05:06:01,267 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 *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/work/current--X--drivers/net/ethernet/3com/3c59x.ko--X--x1linux-3.8-rc1--X--32_7a--X--cpachecker/linux-3.8-rc1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/32_7a/drivers/net/ethernet/3com/3c59x.c.prepared"), "i" (3272), "i" (12UL)); [10152-10153] [2024-11-14 05:06:01,306 WARN L250 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_cbfab03e-0d63-44d6-87a4-13e55baf34eb/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i[346956,346969] [2024-11-14 05:06:01,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:06:01,737 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:06:01,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:01 WrapperNode [2024-11-14 05:06:01,739 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:06:01,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:06:01,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:06:01,740 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:06:01,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:01" (1/1) ... [2024-11-14 05:06:01,908 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:01" (1/1) ... [2024-11-14 05:06:02,381 INFO L138 Inliner]: procedures = 307, calls = 3874, calls flagged for inlining = 137, calls inlined = 126, statements flattened = 7743 [2024-11-14 05:06:02,392 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:06:02,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:06:02,393 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:06:02,393 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:06:02,417 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:01" (1/1) ... [2024-11-14 05:06:02,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:01" (1/1) ... [2024-11-14 05:06:02,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:01" (1/1) ... [2024-11-14 05:06:02,519 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:01" (1/1) ... [2024-11-14 05:06:02,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:01" (1/1) ... [2024-11-14 05:06:02,945 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:01" (1/1) ... [2024-11-14 05:06:02,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:01" (1/1) ... [2024-11-14 05:06:03,097 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:01" (1/1) ... [2024-11-14 05:06:03,177 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:06:03,178 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:06:03,180 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:06:03,180 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:06:03,181 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:01" (1/1) ... [2024-11-14 05:06:03,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:06:03,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfab03e-0d63-44d6-87a4-13e55baf34eb/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:06:03,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfab03e-0d63-44d6-87a4-13e55baf34eb/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:06:03,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfab03e-0d63-44d6-87a4-13e55baf34eb/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:06:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2024-11-14 05:06:03,277 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2024-11-14 05:06:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-14 05:06:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 05:06:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-11-14 05:06:03,278 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-11-14 05:06:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2024-11-14 05:06:03,279 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2024-11-14 05:06:03,279 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-14 05:06:03,280 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-14 05:06:03,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-14 05:06:03,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-14 05:06:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-14 05:06:03,281 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-14 05:06:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2024-11-14 05:06:03,281 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2024-11-14 05:06:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2024-11-14 05:06:03,281 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2024-11-14 05:06:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2024-11-14 05:06:03,281 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2024-11-14 05:06:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-14 05:06:03,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-14 05:06:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2024-11-14 05:06:03,281 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2024-11-14 05:06:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-14 05:06:03,282 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-14 05:06:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-14 05:06:03,282 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-14 05:06:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2024-11-14 05:06:03,282 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2024-11-14 05:06:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2024-11-14 05:06:03,282 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2024-11-14 05:06:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2024-11-14 05:06:03,282 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2024-11-14 05:06:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-14 05:06:03,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-14 05:06:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-14 05:06:03,282 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-14 05:06:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-11-14 05:06:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-11-14 05:06:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-14 05:06:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-14 05:06:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-14 05:06:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-14 05:06:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-11-14 05:06:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-11-14 05:06:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 05:06:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-11-14 05:06:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-11-14 05:06:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2024-11-14 05:06:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2024-11-14 05:06:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-14 05:06:03,288 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-14 05:06:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2024-11-14 05:06:03,288 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2024-11-14 05:06:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 05:06:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-14 05:06:03,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-14 05:06:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-14 05:06:03,288 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-14 05:06:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-14 05:06:03,288 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-14 05:06:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-11-14 05:06:03,288 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-11-14 05:06:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2024-11-14 05:06:03,289 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2024-11-14 05:06:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2024-11-14 05:06:03,289 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2024-11-14 05:06:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-14 05:06:03,289 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-14 05:06:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2024-11-14 05:06:03,289 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2024-11-14 05:06:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2024-11-14 05:06:03,289 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2024-11-14 05:06:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-14 05:06:03,289 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-14 05:06:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-14 05:06:03,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-14 05:06:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 05:06:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2024-11-14 05:06:03,289 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2024-11-14 05:06:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-14 05:06:03,294 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-14 05:06:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-14 05:06:03,294 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-14 05:06:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2024-11-14 05:06:03,294 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2024-11-14 05:06:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-14 05:06:03,294 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-14 05:06:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-14 05:06:03,294 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-14 05:06:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-14 05:06:03,295 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-14 05:06:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-11-14 05:06:03,295 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-11-14 05:06:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-14 05:06:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_ioctl [2024-11-14 05:06:03,295 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_ioctl [2024-11-14 05:06:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-11-14 05:06:03,295 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-11-14 05:06:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2024-11-14 05:06:03,295 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2024-11-14 05:06:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2024-11-14 05:06:03,295 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2024-11-14 05:06:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2024-11-14 05:06:03,295 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2024-11-14 05:06:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2024-11-14 05:06:03,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2024-11-14 05:06:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-14 05:06:03,296 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-14 05:06:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-14 05:06:03,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-14 05:06:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2024-11-14 05:06:03,296 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2024-11-14 05:06:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 05:06:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2024-11-14 05:06:03,296 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2024-11-14 05:06:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-11-14 05:06:03,296 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-11-14 05:06:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2024-11-14 05:06:03,296 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2024-11-14 05:06:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 05:06:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2024-11-14 05:06:03,296 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2024-11-14 05:06:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2024-11-14 05:06:03,296 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2024-11-14 05:06:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-14 05:06:03,299 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-14 05:06:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-14 05:06:03,300 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-14 05:06:03,300 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-14 05:06:03,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-14 05:06:03,300 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-14 05:06:03,300 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-14 05:06:03,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-14 05:06:03,300 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-14 05:06:03,300 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-14 05:06:03,300 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-14 05:06:03,300 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2024-11-14 05:06:03,300 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2024-11-14 05:06:03,300 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2024-11-14 05:06:03,301 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2024-11-14 05:06:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_get_stats [2024-11-14 05:06:03,301 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_get_stats [2024-11-14 05:06:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-14 05:06:03,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-14 05:06:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2024-11-14 05:06:03,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2024-11-14 05:06:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2024-11-14 05:06:03,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2024-11-14 05:06:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-14 05:06:03,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-14 05:06:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 05:06:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2024-11-14 05:06:03,301 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2024-11-14 05:06:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-14 05:06:03,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-14 05:06:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-14 05:06:03,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-14 05:06:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2024-11-14 05:06:03,302 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2024-11-14 05:06:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2024-11-14 05:06:03,302 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2024-11-14 05:06:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-14 05:06:03,302 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-14 05:06:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-14 05:06:03,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-14 05:06:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2024-11-14 05:06:03,302 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2024-11-14 05:06:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2024-11-14 05:06:03,302 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2024-11-14 05:06:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2024-11-14 05:06:03,302 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2024-11-14 05:06:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 05:06:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2024-11-14 05:06:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2024-11-14 05:06:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:06:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2024-11-14 05:06:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2024-11-14 05:06:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2024-11-14 05:06:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2024-11-14 05:06:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-14 05:06:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-14 05:06:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 05:06:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2024-11-14 05:06:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2024-11-14 05:06:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2024-11-14 05:06:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2024-11-14 05:06:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-14 05:06:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-14 05:06:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2024-11-14 05:06:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2024-11-14 05:06:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2024-11-14 05:06:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2024-11-14 05:06:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-14 05:06:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-14 05:06:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2024-11-14 05:06:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2024-11-14 05:06:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2024-11-14 05:06:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2024-11-14 05:06:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2024-11-14 05:06:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2024-11-14 05:06:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-11-14 05:06:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-11-14 05:06:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2024-11-14 05:06:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2024-11-14 05:06:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2024-11-14 05:06:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2024-11-14 05:06:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-14 05:06:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-14 05:06:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2024-11-14 05:06:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2024-11-14 05:06:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-11-14 05:06:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-11-14 05:06:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-14 05:06:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-14 05:06:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-14 05:06:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-14 05:06:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2024-11-14 05:06:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2024-11-14 05:06:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2024-11-14 05:06:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2024-11-14 05:06:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-14 05:06:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-14 05:06:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2024-11-14 05:06:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2024-11-14 05:06:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2024-11-14 05:06:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2024-11-14 05:06:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2024-11-14 05:06:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2024-11-14 05:06:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:06:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2024-11-14 05:06:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2024-11-14 05:06:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-11-14 05:06:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-11-14 05:06:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2024-11-14 05:06:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2024-11-14 05:06:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2024-11-14 05:06:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2024-11-14 05:06:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-11-14 05:06:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-11-14 05:06:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:06:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:06:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2024-11-14 05:06:03,315 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2024-11-14 05:06:04,898 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:06:04,904 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:06:33,683 INFO L? ?]: Removed 2700 outVars from TransFormulas that were not future-live. [2024-11-14 05:06:33,683 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:06:42,219 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:06:42,219 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-14 05:06:42,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:06:42 BoogieIcfgContainer [2024-11-14 05:06:42,220 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:06:42,224 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:06:42,224 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:06:42,232 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:06:42,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:05:57" (1/3) ... [2024-11-14 05:06:42,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711b6501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:06:42, skipping insertion in model container [2024-11-14 05:06:42,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:01" (2/3) ... [2024-11-14 05:06:42,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711b6501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:06:42, skipping insertion in model container [2024-11-14 05:06:42,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:06:42" (3/3) ... [2024-11-14 05:06:42,236 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i [2024-11-14 05:06:42,265 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:06:42,270 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i that has 116 procedures, 2066 locations, 1 initial locations, 5 loop locations, and 1 error locations. [2024-11-14 05:06:42,493 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:06:42,514 INFO L333 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, 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;@d971d7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:06:42,514 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:06:42,530 INFO L276 IsEmpty]: Start isEmpty. Operand has 2066 states, 1259 states have (on average 1.3550436854646546) internal successors, (1706), 1321 states have internal predecessors, (1706), 690 states have call successors, (690), 115 states have call predecessors, (690), 115 states have return successors, (690), 679 states have call predecessors, (690), 690 states have call successors, (690) [2024-11-14 05:06:42,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-14 05:06:42,550 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:06:42,551 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:06:42,552 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:06:42,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:06:42,561 INFO L85 PathProgramCache]: Analyzing trace with hash 729274799, now seen corresponding path program 1 times [2024-11-14 05:06:42,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:06:42,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065160705] [2024-11-14 05:06:42,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:06:42,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:10:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:10:50,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:10:50,460 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:10:50,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065160705] [2024-11-14 05:10:50,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065160705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:10:50,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:10:50,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:10:50,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484564040] [2024-11-14 05:10:50,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:10:50,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:10:50,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:10:50,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:10:50,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:10:50,504 INFO L87 Difference]: Start difference. First operand has 2066 states, 1259 states have (on average 1.3550436854646546) internal successors, (1706), 1321 states have internal predecessors, (1706), 690 states have call successors, (690), 115 states have call predecessors, (690), 115 states have return successors, (690), 679 states have call predecessors, (690), 690 states have call successors, (690) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:10:52,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:11:03,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:11:03,493 INFO L93 Difference]: Finished difference Result 6160 states and 9205 transitions. [2024-11-14 05:11:03,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:11:03,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-14 05:11:03,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:11:03,555 INFO L225 Difference]: With dead ends: 6160 [2024-11-14 05:11:03,555 INFO L226 Difference]: Without dead ends: 4073 [2024-11-14 05:11:03,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:11:03,583 INFO L432 NwaCegarLoop]: 2815 mSDtfsCounter, 3033 mSDsluCounter, 2746 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3033 SdHoareTripleChecker+Valid, 5561 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2024-11-14 05:11:03,584 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3033 Valid, 5561 Invalid, 661 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 657 Invalid, 1 Unknown, 0 Unchecked, 12.6s Time] [2024-11-14 05:11:03,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4073 states. [2024-11-14 05:11:04,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4073 to 4073. [2024-11-14 05:11:04,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4073 states, 2477 states have (on average 1.3492127573677837) internal successors, (3342), 2595 states have internal predecessors, (3342), 1367 states have call successors, (1367), 229 states have call predecessors, (1367), 228 states have return successors, (1364), 1342 states have call predecessors, (1364), 1364 states have call successors, (1364) [2024-11-14 05:11:04,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4073 states to 4073 states and 6073 transitions. [2024-11-14 05:11:04,125 INFO L78 Accepts]: Start accepts. Automaton has 4073 states and 6073 transitions. Word has length 14 [2024-11-14 05:11:04,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:11:04,126 INFO L471 AbstractCegarLoop]: Abstraction has 4073 states and 6073 transitions. [2024-11-14 05:11:04,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:11:04,126 INFO L276 IsEmpty]: Start isEmpty. Operand 4073 states and 6073 transitions. [2024-11-14 05:11:04,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-14 05:11:04,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:11:04,138 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:11:04,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:11:04,139 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:11:04,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:11:04,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1612426405, now seen corresponding path program 1 times [2024-11-14 05:11:04,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:11:04,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694402671] [2024-11-14 05:11:04,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:11:04,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:14:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:14:51,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:14:51,164 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:14:51,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694402671] [2024-11-14 05:14:51,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694402671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:14:51,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:14:51,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:14:51,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260448853] [2024-11-14 05:14:51,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:14:51,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:14:51,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:14:51,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:14:51,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:14:51,168 INFO L87 Difference]: Start difference. First operand 4073 states and 6073 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:14:53,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:15:00,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:15:00,595 INFO L93 Difference]: Finished difference Result 4075 states and 6074 transitions. [2024-11-14 05:15:00,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:15:00,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-14 05:15:00,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:15:00,629 INFO L225 Difference]: With dead ends: 4075 [2024-11-14 05:15:00,629 INFO L226 Difference]: Without dead ends: 4072 [2024-11-14 05:15:00,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:15:00,634 INFO L432 NwaCegarLoop]: 2737 mSDtfsCounter, 3046 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3046 SdHoareTripleChecker+Valid, 2737 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:15:00,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3046 Valid, 2737 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 321 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2024-11-14 05:15:00,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4072 states. [2024-11-14 05:15:00,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4072 to 4072. [2024-11-14 05:15:00,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4072 states, 2477 states have (on average 1.3488090431974162) internal successors, (3341), 2594 states have internal predecessors, (3341), 1366 states have call successors, (1366), 229 states have call predecessors, (1366), 228 states have return successors, (1364), 1342 states have call predecessors, (1364), 1364 states have call successors, (1364) [2024-11-14 05:15:00,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4072 states to 4072 states and 6071 transitions. [2024-11-14 05:15:00,920 INFO L78 Accepts]: Start accepts. Automaton has 4072 states and 6071 transitions. Word has length 16 [2024-11-14 05:15:00,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:15:00,920 INFO L471 AbstractCegarLoop]: Abstraction has 4072 states and 6071 transitions. [2024-11-14 05:15:00,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:15:00,920 INFO L276 IsEmpty]: Start isEmpty. Operand 4072 states and 6071 transitions. [2024-11-14 05:15:00,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-14 05:15:00,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:15:00,923 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:15:00,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 05:15:00,923 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:15:00,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:15:00,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1553184851, now seen corresponding path program 1 times [2024-11-14 05:15:00,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:15:00,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26983354] [2024-11-14 05:15:00,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:15:00,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:18:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:18:47,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:18:47,629 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:18:47,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26983354] [2024-11-14 05:18:47,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26983354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:18:47,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:18:47,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:18:47,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408052306] [2024-11-14 05:18:47,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:18:47,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:18:47,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:18:47,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:18:47,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:18:47,632 INFO L87 Difference]: Start difference. First operand 4072 states and 6071 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:18:49,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:18:55,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:18:56,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:18:56,912 INFO L93 Difference]: Finished difference Result 4074 states and 6072 transitions. [2024-11-14 05:18:56,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:18:56,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-14 05:18:56,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:18:56,945 INFO L225 Difference]: With dead ends: 4074 [2024-11-14 05:18:56,945 INFO L226 Difference]: Without dead ends: 4071 [2024-11-14 05:18:56,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:18:56,951 INFO L432 NwaCegarLoop]: 2735 mSDtfsCounter, 3043 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3043 SdHoareTripleChecker+Valid, 2735 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:18:56,951 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3043 Valid, 2735 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 320 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2024-11-14 05:18:56,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4071 states. [2024-11-14 05:18:57,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4071 to 4071. [2024-11-14 05:18:57,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4071 states, 2477 states have (on average 1.3484053290270488) internal successors, (3340), 2593 states have internal predecessors, (3340), 1365 states have call successors, (1365), 229 states have call predecessors, (1365), 228 states have return successors, (1364), 1342 states have call predecessors, (1364), 1364 states have call successors, (1364) [2024-11-14 05:18:57,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4071 states to 4071 states and 6069 transitions. [2024-11-14 05:18:57,249 INFO L78 Accepts]: Start accepts. Automaton has 4071 states and 6069 transitions. Word has length 17 [2024-11-14 05:18:57,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:18:57,249 INFO L471 AbstractCegarLoop]: Abstraction has 4071 states and 6069 transitions. [2024-11-14 05:18:57,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:18:57,253 INFO L276 IsEmpty]: Start isEmpty. Operand 4071 states and 6069 transitions. [2024-11-14 05:18:57,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-14 05:18:57,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:18:57,255 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:18:57,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 05:18:57,255 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:18:57,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:18:57,259 INFO L85 PathProgramCache]: Analyzing trace with hash 902890846, now seen corresponding path program 1 times [2024-11-14 05:18:57,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:18:57,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693874836] [2024-11-14 05:18:57,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:18:57,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms