./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.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_0346683d-0f57-4d7a-b618-0045e05469c8/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0346683d-0f57-4d7a-b618-0045e05469c8/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_0346683d-0f57-4d7a-b618-0045e05469c8/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0346683d-0f57-4d7a-b618-0045e05469c8/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0346683d-0f57-4d7a-b618-0045e05469c8/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_0346683d-0f57-4d7a-b618-0045e05469c8/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 b5d2eeaaae10ee4c57bd86d22cba165fc727430aa2a7f660f053fb73e5712838 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:45:27,671 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:45:27,773 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0346683d-0f57-4d7a-b618-0045e05469c8/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-13 23:45:27,782 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:45:27,782 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:45:27,819 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:45:27,822 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:45:27,823 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:45:27,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:45:27,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:45:27,825 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:45:27,825 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:45:27,825 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:45:27,825 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:45:27,825 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:45:27,825 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:45:27,826 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:45:27,826 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:45:27,826 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:45:27,826 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:45:27,827 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:45:27,827 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:45:27,827 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:45:27,828 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:45:27,828 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:45:27,828 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:45:27,828 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:45:27,828 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:45:27,828 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:45:27,828 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:45:27,829 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:45:27,829 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:45:27,829 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:45:27,829 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:45:27,830 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:45:27,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:45:27,830 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:45:27,830 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:45:27,831 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:45:27,831 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:45:27,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:45:27,831 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:45:27,831 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:45:27,831 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:45:27,831 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_0346683d-0f57-4d7a-b618-0045e05469c8/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 -> b5d2eeaaae10ee4c57bd86d22cba165fc727430aa2a7f660f053fb73e5712838 [2024-11-13 23:45:28,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:45:28,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:45:28,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:45:28,166 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:45:28,166 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:45:28,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0346683d-0f57-4d7a-b618-0045e05469c8/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i Unable to find full path for "g++" [2024-11-13 23:45:30,095 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:45:31,046 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:45:31,046 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0346683d-0f57-4d7a-b618-0045e05469c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i [2024-11-13 23:45:31,109 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0346683d-0f57-4d7a-b618-0045e05469c8/bin/utaipan-verify-sOmjnqqW8E/data/3051b9b04/3bddf5869ddf49f4804eb6e8c2b0195f/FLAG774f0930d [2024-11-13 23:45:31,122 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0346683d-0f57-4d7a-b618-0045e05469c8/bin/utaipan-verify-sOmjnqqW8E/data/3051b9b04/3bddf5869ddf49f4804eb6e8c2b0195f [2024-11-13 23:45:31,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:45:31,126 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:45:31,128 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:45:31,128 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:45:31,132 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:45:31,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:45:31" (1/1) ... [2024-11-13 23:45:31,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dbb9558 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:45:31, skipping insertion in model container [2024-11-13 23:45:31,137 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:45:31" (1/1) ... [2024-11-13 23:45:31,312 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:45:34,887 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_0346683d-0f57-4d7a-b618-0045e05469c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[454757,454770] [2024-11-13 23:45:34,891 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_0346683d-0f57-4d7a-b618-0045e05469c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[454904,454917] [2024-11-13 23:45:34,891 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_0346683d-0f57-4d7a-b618-0045e05469c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[455043,455056] [2024-11-13 23:45:34,892 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_0346683d-0f57-4d7a-b618-0045e05469c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[455201,455214] [2024-11-13 23:45:34,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:45:34,983 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:45:35,150 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)); [5804] [2024-11-13 23:45:35,152 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5811] [2024-11-13 23:45:35,157 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)); [5909-5910] [2024-11-13 23:45:35,162 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)); [5943-5944] [2024-11-13 23:45:35,164 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)); [5981-5982] [2024-11-13 23:45:35,165 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)); [6018-6019] [2024-11-13 23:45:35,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6276] [2024-11-13 23:45:35,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6303] [2024-11-13 23:45:35,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7234] [2024-11-13 23:45:35,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7354] [2024-11-13 23:45:35,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7475] [2024-11-13 23:45:35,262 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8459] [2024-11-13 23:45:35,342 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"); [9005] [2024-11-13 23:45:35,343 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [9012] [2024-11-13 23:45:35,345 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/a068ef8/linux-usb-dev/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [9066-9067] [2024-11-13 23:45:35,347 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"); [9072-9074] [2024-11-13 23:45:35,365 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)); [9305-9306] [2024-11-13 23:45:35,365 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9312] [2024-11-13 23:45:35,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9575] [2024-11-13 23:45:35,404 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10168] [2024-11-13 23:45:35,435 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10432] [2024-11-13 23:45:35,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [14700] [2024-11-13 23:45:35,661 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [15321] [2024-11-13 23:45:35,748 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_0346683d-0f57-4d7a-b618-0045e05469c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[454757,454770] [2024-11-13 23:45:35,749 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_0346683d-0f57-4d7a-b618-0045e05469c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[454904,454917] [2024-11-13 23:45:35,750 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_0346683d-0f57-4d7a-b618-0045e05469c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[455043,455056] [2024-11-13 23:45:35,751 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_0346683d-0f57-4d7a-b618-0045e05469c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[455201,455214] [2024-11-13 23:45:35,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:45:36,025 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:45:36,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:45:36 WrapperNode [2024-11-13 23:45:36,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:45:36,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:45:36,030 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:45:36,030 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:45:36,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:45:36" (1/1) ... [2024-11-13 23:45:36,200 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:45:36" (1/1) ... [2024-11-13 23:45:36,842 INFO L138 Inliner]: procedures = 460, calls = 5068, calls flagged for inlining = 269, calls inlined = 252, statements flattened = 13731 [2024-11-13 23:45:36,843 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:45:36,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:45:36,845 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:45:36,845 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:45:36,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:45:36" (1/1) ... [2024-11-13 23:45:36,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:45:36" (1/1) ... [2024-11-13 23:45:36,927 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:45:36" (1/1) ... [2024-11-13 23:45:36,927 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:45:36" (1/1) ... [2024-11-13 23:45:37,331 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:45:36" (1/1) ... [2024-11-13 23:45:37,446 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:45:36" (1/1) ... [2024-11-13 23:45:37,492 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:45:36" (1/1) ... [2024-11-13 23:45:37,534 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:45:36" (1/1) ... [2024-11-13 23:45:37,621 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:45:37,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:45:37,623 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:45:37,623 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:45:37,624 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:45:36" (1/1) ... [2024-11-13 23:45:37,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:45:37,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0346683d-0f57-4d7a-b618-0045e05469c8/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:45:37,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0346683d-0f57-4d7a-b618-0045e05469c8/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:45:37,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0346683d-0f57-4d7a-b618-0045e05469c8/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:45:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2024-11-13 23:45:37,726 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2024-11-13 23:45:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_media_task [2024-11-13 23:45:37,727 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_media_task [2024-11-13 23:45:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-13 23:45:37,727 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-13 23:45:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-13 23:45:37,727 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-13 23:45:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-11-13 23:45:37,727 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-11-13 23:45:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-13 23:45:37,728 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-13 23:45:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2024-11-13 23:45:37,728 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2024-11-13 23:45:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2024-11-13 23:45:37,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2024-11-13 23:45:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-13 23:45:37,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-13 23:45:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-13 23:45:37,728 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-13 23:45:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-13 23:45:37,729 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-13 23:45:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2024-11-13 23:45:37,729 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2024-11-13 23:45:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-13 23:45:37,730 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-13 23:45:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2024-11-13 23:45:37,730 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2024-11-13 23:45:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-13 23:45:37,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-13 23:45:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-11-13 23:45:37,731 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-11-13 23:45:37,731 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2024-11-13 23:45:37,731 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2024-11-13 23:45:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-13 23:45:37,732 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-13 23:45:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2024-11-13 23:45:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2024-11-13 23:45:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-13 23:45:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-13 23:45:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-13 23:45:37,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-13 23:45:37,734 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2024-11-13 23:45:37,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2024-11-13 23:45:37,734 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-13 23:45:37,734 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-13 23:45:37,734 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-13 23:45:37,735 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-13 23:45:37,735 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-13 23:45:37,735 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-13 23:45:37,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-13 23:45:37,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-13 23:45:37,736 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-13 23:45:37,736 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-13 23:45:37,736 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-13 23:45:37,736 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-13 23:45:37,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:45:37,736 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2024-11-13 23:45:37,736 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2024-11-13 23:45:37,736 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_resume [2024-11-13 23:45:37,736 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_resume [2024-11-13 23:45:37,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2024-11-13 23:45:37,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2024-11-13 23:45:37,736 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2024-11-13 23:45:37,736 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2024-11-13 23:45:37,736 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-13 23:45:37,737 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-13 23:45:37,738 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-13 23:45:37,739 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-13 23:45:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2024-11-13 23:45:37,739 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2024-11-13 23:45:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2024-11-13 23:45:37,739 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2024-11-13 23:45:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_media_task [2024-11-13 23:45:37,739 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_media_task [2024-11-13 23:45:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-13 23:45:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2024-11-13 23:45:37,739 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2024-11-13 23:45:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-13 23:45:37,739 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-13 23:45:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-13 23:45:37,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-13 23:45:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-13 23:45:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-13 23:45:37,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-13 23:45:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-13 23:45:37,740 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-13 23:45:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:45:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2024-11-13 23:45:37,740 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2024-11-13 23:45:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-13 23:45:37,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-13 23:45:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-13 23:45:37,740 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-13 23:45:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-13 23:45:37,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-13 23:45:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-13 23:45:37,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-13 23:45:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-13 23:45:37,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-13 23:45:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_timer [2024-11-13 23:45:37,741 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_timer [2024-11-13 23:45:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-13 23:45:37,741 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-13 23:45:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-13 23:45:37,741 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-13 23:45:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2024-11-13 23:45:37,741 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2024-11-13 23:45:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2024-11-13 23:45:37,741 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2024-11-13 23:45:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 23:45:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-13 23:45:37,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-13 23:45:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-13 23:45:37,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-13 23:45:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-11-13 23:45:37,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-11-13 23:45:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2024-11-13 23:45:37,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2024-11-13 23:45:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:45:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-13 23:45:37,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-13 23:45:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-13 23:45:37,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-13 23:45:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 23:45:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2024-11-13 23:45:37,748 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2024-11-13 23:45:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2024-11-13 23:45:37,748 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2024-11-13 23:45:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2024-11-13 23:45:37,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2024-11-13 23:45:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-13 23:45:37,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-13 23:45:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-13 23:45:37,748 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-13 23:45:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-13 23:45:37,748 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-13 23:45:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-13 23:45:37,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-13 23:45:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-13 23:45:37,749 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-13 23:45:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-13 23:45:37,749 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-13 23:45:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:45:37,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:45:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_close [2024-11-13 23:45:37,749 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_close [2024-11-13 23:45:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-13 23:45:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-13 23:45:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-13 23:45:37,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-13 23:45:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2024-11-13 23:45:37,749 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2024-11-13 23:45:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2024-11-13 23:45:37,749 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2024-11-13 23:45:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2024-11-13 23:45:37,749 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2024-11-13 23:45:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-11-13 23:45:37,750 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-11-13 23:45:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2024-11-13 23:45:37,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2024-11-13 23:45:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2024-11-13 23:45:37,750 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2024-11-13 23:45:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-13 23:45:37,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-13 23:45:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2024-11-13 23:45:37,750 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2024-11-13 23:45:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2024-11-13 23:45:37,750 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2024-11-13 23:45:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-13 23:45:37,750 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-13 23:45:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2024-11-13 23:45:37,750 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2024-11-13 23:45:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2024-11-13 23:45:37,750 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2024-11-13 23:45:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-13 23:45:37,750 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-13 23:45:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-13 23:45:37,751 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-13 23:45:37,754 INFO L130 BoogieDeclarations]: Found specification of procedure comet_timer [2024-11-13 23:45:37,758 INFO L138 BoogieDeclarations]: Found implementation of procedure comet_timer [2024-11-13 23:45:37,758 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2024-11-13 23:45:37,758 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2024-11-13 23:45:37,758 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-13 23:45:37,758 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-13 23:45:37,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:45:37,758 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2024-11-13 23:45:37,758 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2024-11-13 23:45:37,758 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-13 23:45:37,758 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-13 23:45:37,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 23:45:37,758 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-13 23:45:37,758 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-13 23:45:37,758 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2024-11-13 23:45:37,758 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2024-11-13 23:45:37,758 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2024-11-13 23:45:37,758 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2024-11-13 23:45:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 23:45:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-13 23:45:37,759 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-13 23:45:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2024-11-13 23:45:37,759 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2024-11-13 23:45:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2024-11-13 23:45:37,759 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2024-11-13 23:45:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-13 23:45:37,759 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-13 23:45:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-13 23:45:37,759 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-13 23:45:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2024-11-13 23:45:37,759 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2024-11-13 23:45:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-13 23:45:37,759 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-13 23:45:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2024-11-13 23:45:37,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2024-11-13 23:45:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure mxic_timer [2024-11-13 23:45:37,759 INFO L138 BoogieDeclarations]: Found implementation of procedure mxic_timer [2024-11-13 23:45:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-13 23:45:37,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-13 23:45:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-13 23:45:37,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-13 23:45:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2024-11-13 23:45:37,760 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2024-11-13 23:45:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-11-13 23:45:37,760 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-11-13 23:45:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2024-11-13 23:45:37,760 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2024-11-13 23:45:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_timer [2024-11-13 23:45:37,760 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_timer [2024-11-13 23:45:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-13 23:45:37,760 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-13 23:45:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-13 23:45:37,760 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-13 23:45:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-13 23:45:37,760 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-13 23:45:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-13 23:45:37,760 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-13 23:45:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-13 23:45:37,760 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-13 23:45:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:45:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2024-11-13 23:45:37,760 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2024-11-13 23:45:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-13 23:45:37,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-13 23:45:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2024-11-13 23:45:37,761 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2024-11-13 23:45:37,763 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2024-11-13 23:45:37,763 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2024-11-13 23:45:37,763 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-13 23:45:37,765 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-13 23:45:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_open [2024-11-13 23:45:37,765 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_open [2024-11-13 23:45:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2024-11-13 23:45:37,765 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2024-11-13 23:45:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-13 23:45:37,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-13 23:45:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2024-11-13 23:45:37,766 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2024-11-13 23:45:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2024-11-13 23:45:37,766 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2024-11-13 23:45:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-13 23:45:37,766 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-13 23:45:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2024-11-13 23:45:37,766 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2024-11-13 23:45:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-11-13 23:45:37,766 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-11-13 23:45:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2024-11-13 23:45:37,766 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2024-11-13 23:45:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-13 23:45:37,766 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-13 23:45:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:45:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_timer [2024-11-13 23:45:37,766 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_timer [2024-11-13 23:45:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-13 23:45:37,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-13 23:45:39,542 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:45:39,548 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:45:41,155 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-13 23:46:08,662 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-13 23:46:11,389 INFO L? ?]: Removed 4308 outVars from TransFormulas that were not future-live. [2024-11-13 23:46:11,390 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:46:20,874 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:46:20,875 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 23:46:20,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:46:20 BoogieIcfgContainer [2024-11-13 23:46:20,875 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:46:20,878 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:46:20,878 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:46:20,883 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:46:20,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:45:31" (1/3) ... [2024-11-13 23:46:20,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c8dc17c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:46:20, skipping insertion in model container [2024-11-13 23:46:20,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:45:36" (2/3) ... [2024-11-13 23:46:20,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c8dc17c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:46:20, skipping insertion in model container [2024-11-13 23:46:20,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:46:20" (3/3) ... [2024-11-13 23:46:20,885 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i [2024-11-13 23:46:20,902 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:46:20,905 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i that has 130 procedures, 2898 locations, 1 initial locations, 5 loop locations, and 2 error locations. [2024-11-13 23:46:21,029 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:46:21,042 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;@6514464f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:46:21,042 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 23:46:21,055 INFO L276 IsEmpty]: Start isEmpty. Operand has 2896 states, 1750 states have (on average 1.344) internal successors, (2352), 1843 states have internal predecessors, (2352), 1017 states have call successors, (1017), 129 states have call predecessors, (1017), 128 states have return successors, (1010), 974 states have call predecessors, (1010), 1010 states have call successors, (1010) [2024-11-13 23:46:21,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-13 23:46:21,081 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:46:21,082 INFO L215 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:46:21,082 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:46:21,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:46:21,088 INFO L85 PathProgramCache]: Analyzing trace with hash -279316719, now seen corresponding path program 1 times [2024-11-13 23:46:21,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:46:21,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815029928] [2024-11-13 23:46:21,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:46:21,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:48:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:48:23,039 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2024-11-13 23:48:23,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:48:23,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815029928] [2024-11-13 23:48:23,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815029928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:48:23,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:48:23,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:48:23,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681027131] [2024-11-13 23:48:23,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:48:23,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:48:23,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:48:23,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:48:23,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:48:23,079 INFO L87 Difference]: Start difference. First operand has 2896 states, 1750 states have (on average 1.344) internal successors, (2352), 1843 states have internal predecessors, (2352), 1017 states have call successors, (1017), 129 states have call predecessors, (1017), 128 states have return successors, (1010), 974 states have call predecessors, (1010), 1010 states have call successors, (1010) Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-13 23:48:25,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:48:27,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:48:41,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:48:41,722 INFO L93 Difference]: Finished difference Result 8563 states and 13002 transitions. [2024-11-13 23:48:41,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:48:41,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 150 [2024-11-13 23:48:41,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:48:41,792 INFO L225 Difference]: With dead ends: 8563 [2024-11-13 23:48:41,792 INFO L226 Difference]: Without dead ends: 5683 [2024-11-13 23:48:41,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:48:41,820 INFO L432 NwaCegarLoop]: 3856 mSDtfsCounter, 4268 mSDsluCounter, 3809 mSDsCounter, 0 mSdLazyCounter, 1054 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4268 SdHoareTripleChecker+Valid, 7665 SdHoareTripleChecker+Invalid, 1063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1054 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:48:41,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4268 Valid, 7665 Invalid, 1063 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1054 Invalid, 2 Unknown, 0 Unchecked, 18.2s Time] [2024-11-13 23:48:41,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5683 states. [2024-11-13 23:48:42,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5683 to 5681. [2024-11-13 23:48:42,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5681 states, 3442 states have (on average 1.3416618245206275) internal successors, (4618), 3625 states have internal predecessors, (4618), 1984 states have call successors, (1984), 254 states have call predecessors, (1984), 253 states have return successors, (1981), 1909 states have call predecessors, (1981), 1981 states have call successors, (1981) [2024-11-13 23:48:42,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5681 states to 5681 states and 8583 transitions. [2024-11-13 23:48:42,534 INFO L78 Accepts]: Start accepts. Automaton has 5681 states and 8583 transitions. Word has length 150 [2024-11-13 23:48:42,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:48:42,535 INFO L471 AbstractCegarLoop]: Abstraction has 5681 states and 8583 transitions. [2024-11-13 23:48:42,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-13 23:48:42,537 INFO L276 IsEmpty]: Start isEmpty. Operand 5681 states and 8583 transitions. [2024-11-13 23:48:42,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-13 23:48:42,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:48:42,556 INFO L215 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:48:42,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 23:48:42,557 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:48:42,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:48:42,557 INFO L85 PathProgramCache]: Analyzing trace with hash -220036007, now seen corresponding path program 1 times [2024-11-13 23:48:42,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:48:42,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477707846] [2024-11-13 23:48:42,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:48:42,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:50:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:50:42,881 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2024-11-13 23:50:42,883 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:50:42,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477707846] [2024-11-13 23:50:42,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477707846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:50:42,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:50:42,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:50:42,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696834998] [2024-11-13 23:50:42,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:50:42,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:50:42,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:50:42,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:50:42,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:50:42,888 INFO L87 Difference]: Start difference. First operand 5681 states and 8583 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-13 23:50:45,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:50:47,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:51:00,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:51:00,830 INFO L93 Difference]: Finished difference Result 12372 states and 18686 transitions. [2024-11-13 23:51:00,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:51:00,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 167 [2024-11-13 23:51:00,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:51:00,888 INFO L225 Difference]: With dead ends: 12372 [2024-11-13 23:51:00,888 INFO L226 Difference]: Without dead ends: 6718 [2024-11-13 23:51:00,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:51:00,921 INFO L432 NwaCegarLoop]: 3829 mSDtfsCounter, 2897 mSDsluCounter, 3784 mSDsCounter, 0 mSdLazyCounter, 1095 mSolverCounterSat, 17 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2897 SdHoareTripleChecker+Valid, 7613 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1095 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2024-11-13 23:51:00,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2897 Valid, 7613 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1095 Invalid, 2 Unknown, 0 Unchecked, 17.6s Time] [2024-11-13 23:51:00,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6718 states. [2024-11-13 23:51:01,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6718 to 6711. [2024-11-13 23:51:01,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6711 states, 4112 states have (on average 1.343385214007782) internal successors, (5524), 4315 states have internal predecessors, (5524), 2293 states have call successors, (2293), 306 states have call predecessors, (2293), 304 states have return successors, (2290), 2213 states have call predecessors, (2290), 2290 states have call successors, (2290) [2024-11-13 23:51:01,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6711 states to 6711 states and 10107 transitions. [2024-11-13 23:51:01,419 INFO L78 Accepts]: Start accepts. Automaton has 6711 states and 10107 transitions. Word has length 167 [2024-11-13 23:51:01,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:51:01,420 INFO L471 AbstractCegarLoop]: Abstraction has 6711 states and 10107 transitions. [2024-11-13 23:51:01,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-13 23:51:01,420 INFO L276 IsEmpty]: Start isEmpty. Operand 6711 states and 10107 transitions. [2024-11-13 23:51:01,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-13 23:51:01,437 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:51:01,437 INFO L215 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:51:01,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 23:51:01,440 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:51:01,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:51:01,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1887363719, now seen corresponding path program 1 times [2024-11-13 23:51:01,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:51:01,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789590597] [2024-11-13 23:51:01,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:51:01,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:53:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:53:18,323 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 767 trivial. 0 not checked. [2024-11-13 23:53:18,323 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:53:18,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789590597] [2024-11-13 23:53:18,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789590597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:53:18,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:53:18,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:53:18,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331168731] [2024-11-13 23:53:18,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:53:18,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:53:18,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:53:18,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:53:18,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:53:18,325 INFO L87 Difference]: Start difference. First operand 6711 states and 10107 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 23:53:20,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:53:22,999 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 [] [2024-11-13 23:53:36,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:53:36,939 INFO L93 Difference]: Finished difference Result 6711 states and 10107 transitions. [2024-11-13 23:53:36,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:53:36,939 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 196 [2024-11-13 23:53:36,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:53:36,986 INFO L225 Difference]: With dead ends: 6711 [2024-11-13 23:53:36,986 INFO L226 Difference]: Without dead ends: 6688 [2024-11-13 23:53:36,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:53:36,995 INFO L432 NwaCegarLoop]: 3823 mSDtfsCounter, 4288 mSDsluCounter, 3823 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4288 SdHoareTripleChecker+Valid, 7646 SdHoareTripleChecker+Invalid, 1039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2024-11-13 23:53:36,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4288 Valid, 7646 Invalid, 1039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1037 Invalid, 2 Unknown, 0 Unchecked, 18.3s Time] [2024-11-13 23:53:37,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6688 states. [2024-11-13 23:53:37,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6688 to 6688. [2024-11-13 23:53:37,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6688 states, 4106 states have (on average 1.342425718460789) internal successors, (5512), 4303 states have internal predecessors, (5512), 2278 states have call successors, (2278), 303 states have call predecessors, (2278), 303 states have return successors, (2278), 2205 states have call predecessors, (2278), 2278 states have call successors, (2278) [2024-11-13 23:53:37,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6688 states to 6688 states and 10068 transitions. [2024-11-13 23:53:37,511 INFO L78 Accepts]: Start accepts. Automaton has 6688 states and 10068 transitions. Word has length 196 [2024-11-13 23:53:37,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:53:37,512 INFO L471 AbstractCegarLoop]: Abstraction has 6688 states and 10068 transitions. [2024-11-13 23:53:37,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 23:53:37,513 INFO L276 IsEmpty]: Start isEmpty. Operand 6688 states and 10068 transitions. [2024-11-13 23:53:37,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-13 23:53:37,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:53:37,546 INFO L215 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:53:37,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 23:53:37,547 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:53:37,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:53:37,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1399820594, now seen corresponding path program 1 times [2024-11-13 23:53:37,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:53:37,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184743511] [2024-11-13 23:53:37,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:53:37,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:56:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:56:08,306 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 772 trivial. 0 not checked. [2024-11-13 23:56:08,306 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:56:08,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184743511] [2024-11-13 23:56:08,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184743511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:56:08,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:56:08,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:56:08,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369728028] [2024-11-13 23:56:08,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:56:08,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:56:08,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:56:08,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:56:08,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:56:08,308 INFO L87 Difference]: Start difference. First operand 6688 states and 10068 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-13 23:56:10,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:56:13,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:56:29,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:56:29,652 INFO L93 Difference]: Finished difference Result 13399 states and 20174 transitions. [2024-11-13 23:56:29,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:56:29,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 218 [2024-11-13 23:56:29,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:56:29,713 INFO L225 Difference]: With dead ends: 13399 [2024-11-13 23:56:29,713 INFO L226 Difference]: Without dead ends: 8625 [2024-11-13 23:56:29,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:56:29,742 INFO L432 NwaCegarLoop]: 6334 mSDtfsCounter, 2883 mSDsluCounter, 3762 mSDsCounter, 0 mSdLazyCounter, 1409 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2883 SdHoareTripleChecker+Valid, 10096 SdHoareTripleChecker+Invalid, 1426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1409 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:56:29,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2883 Valid, 10096 Invalid, 1426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1409 Invalid, 2 Unknown, 0 Unchecked, 21.0s Time] [2024-11-13 23:56:29,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8625 states. [2024-11-13 23:56:30,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8625 to 8624. [2024-11-13 23:56:30,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8624 states, 5303 states have (on average 1.342636243635678) internal successors, (7120), 5554 states have internal predecessors, (7120), 2926 states have call successors, (2926), 394 states have call predecessors, (2926), 394 states have return successors, (2926), 2834 states have call predecessors, (2926), 2926 states have call successors, (2926) [2024-11-13 23:56:30,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8624 states to 8624 states and 12972 transitions. [2024-11-13 23:56:30,363 INFO L78 Accepts]: Start accepts. Automaton has 8624 states and 12972 transitions. Word has length 218 [2024-11-13 23:56:30,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:56:30,364 INFO L471 AbstractCegarLoop]: Abstraction has 8624 states and 12972 transitions. [2024-11-13 23:56:30,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-13 23:56:30,365 INFO L276 IsEmpty]: Start isEmpty. Operand 8624 states and 12972 transitions. [2024-11-13 23:56:30,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-11-13 23:56:30,415 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:56:30,415 INFO L215 NwaCegarLoop]: trace histogram [19, 13, 13, 13, 13, 13, 13, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:56:30,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 23:56:30,416 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:56:30,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:56:30,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1936358064, now seen corresponding path program 1 times [2024-11-13 23:56:30,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:56:30,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260069741] [2024-11-13 23:56:30,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:56:30,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:58:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:58:56,185 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 955 trivial. 0 not checked. [2024-11-13 23:58:56,186 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:58:56,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260069741] [2024-11-13 23:58:56,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260069741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:58:56,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:58:56,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:58:56,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930495674] [2024-11-13 23:58:56,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:58:56,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:58:56,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:58:56,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:58:56,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:58:56,188 INFO L87 Difference]: Start difference. First operand 8624 states and 12972 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-13 23:58:58,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:59:00,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:59:14,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:59:14,041 INFO L93 Difference]: Finished difference Result 8624 states and 12972 transitions. [2024-11-13 23:59:14,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:59:14,042 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 280 [2024-11-13 23:59:14,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:59:14,050 INFO L225 Difference]: With dead ends: 8624 [2024-11-13 23:59:14,050 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 23:59:14,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:59:14,087 INFO L432 NwaCegarLoop]: 3802 mSDtfsCounter, 4233 mSDsluCounter, 3801 mSDsCounter, 0 mSdLazyCounter, 1034 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4233 SdHoareTripleChecker+Valid, 7603 SdHoareTripleChecker+Invalid, 1036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1034 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2024-11-13 23:59:14,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4233 Valid, 7603 Invalid, 1036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1034 Invalid, 2 Unknown, 0 Unchecked, 17.5s Time] [2024-11-13 23:59:14,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 23:59:14,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 23:59:14,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:59:14,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 23:59:14,100 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 280 [2024-11-13 23:59:14,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:59:14,100 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 23:59:14,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-13 23:59:14,100 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 23:59:14,100 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:59:14,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-11-13 23:59:14,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-13 23:59:14,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 23:59:14,110 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-13 23:59:14,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.