./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08697-d424-4293-a0af-f845ce1e21e5/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08697-d424-4293-a0af-f845ce1e21e5/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08697-d424-4293-a0af-f845ce1e21e5/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08697-d424-4293-a0af-f845ce1e21e5/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08697-d424-4293-a0af-f845ce1e21e5/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08697-d424-4293-a0af-f845ce1e21e5/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5918e2cb9aded5213ccd497319a252a597f09d9a74a83e549234325009250b56 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:08:21,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:08:22,019 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08697-d424-4293-a0af-f845ce1e21e5/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-25 00:08:22,028 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:08:22,029 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:08:22,106 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:08:22,107 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:08:22,108 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:08:22,109 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:08:22,119 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:08:22,120 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:08:22,121 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:08:22,122 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:08:22,124 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:08:22,125 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:08:22,125 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:08:22,126 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:08:22,126 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:08:22,127 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:08:22,127 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:08:22,130 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:08:22,130 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:08:22,132 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:08:22,132 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:08:22,133 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:08:22,134 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:08:22,149 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:08:22,150 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:08:22,150 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:08:22,151 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:08:22,151 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:08:22,152 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:08:22,152 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:08:22,153 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:08:22,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:08:22,153 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:08:22,154 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:08:22,154 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:08:22,155 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:08:22,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:08:22,155 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:08:22,156 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:08:22,156 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:08:22,157 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:08:22,157 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08697-d424-4293-a0af-f845ce1e21e5/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08697-d424-4293-a0af-f845ce1e21e5/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5918e2cb9aded5213ccd497319a252a597f09d9a74a83e549234325009250b56 [2023-11-25 00:08:22,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:08:22,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:08:22,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:08:22,508 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:08:22,508 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:08:22,510 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08697-d424-4293-a0af-f845ce1e21e5/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2023-11-25 00:08:26,181 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:08:27,174 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:08:27,175 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08697-d424-4293-a0af-f845ce1e21e5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2023-11-25 00:08:27,248 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08697-d424-4293-a0af-f845ce1e21e5/bin/utaipan-verify-SwPr7d2a91/data/720c780a0/28cee89e3e2a405bb20927604b25fcc7/FLAG8451f5c22 [2023-11-25 00:08:27,274 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08697-d424-4293-a0af-f845ce1e21e5/bin/utaipan-verify-SwPr7d2a91/data/720c780a0/28cee89e3e2a405bb20927604b25fcc7 [2023-11-25 00:08:27,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:08:27,287 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:08:27,294 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:08:27,294 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:08:27,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:08:27,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:08:27" (1/1) ... [2023-11-25 00:08:27,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c3a5183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:27, skipping insertion in model container [2023-11-25 00:08:27,304 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:08:27" (1/1) ... [2023-11-25 00:08:27,722 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:08:32,040 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08697-d424-4293-a0af-f845ce1e21e5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411224,411237] [2023-11-25 00:08:32,046 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08697-d424-4293-a0af-f845ce1e21e5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411371,411384] [2023-11-25 00:08:32,047 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08697-d424-4293-a0af-f845ce1e21e5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411510,411523] [2023-11-25 00:08:32,048 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08697-d424-4293-a0af-f845ce1e21e5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411668,411681] [2023-11-25 00:08:32,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:08:32,204 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:08:32,355 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"); [5405] [2023-11-25 00:08:32,357 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)); [5412] [2023-11-25 00:08:32,357 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5419] [2023-11-25 00:08:32,360 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/8d0c6a3/linux-usb-dev/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5464-5465] [2023-11-25 00:08:32,361 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"); [5470-5472] [2023-11-25 00:08:32,362 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/8d0c6a3/linux-usb-dev/lkbce/arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [5497-5498] [2023-11-25 00:08:32,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [5503-5505] [2023-11-25 00:08:32,363 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/8d0c6a3/linux-usb-dev/lkbce/arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [5529-5530] [2023-11-25 00:08:32,364 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5535-5537] [2023-11-25 00:08:32,373 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)); [5760-5761] [2023-11-25 00:08:32,375 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)); [5794-5795] [2023-11-25 00:08:32,377 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)); [5831-5832] [2023-11-25 00:08:32,378 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)); [5868-5869] [2023-11-25 00:08:32,694 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 *)"drivers/net/ethernet/3com/3c59x.c"), "i" (3233), "i" (12UL)); [11532-11533] [2023-11-25 00:08:32,845 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08697-d424-4293-a0af-f845ce1e21e5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411224,411237] [2023-11-25 00:08:32,846 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08697-d424-4293-a0af-f845ce1e21e5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411371,411384] [2023-11-25 00:08:32,847 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08697-d424-4293-a0af-f845ce1e21e5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411510,411523] [2023-11-25 00:08:32,847 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08697-d424-4293-a0af-f845ce1e21e5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411668,411681] [2023-11-25 00:08:32,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:08:33,177 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:08:33,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:33 WrapperNode [2023-11-25 00:08:33,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:08:33,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:08:33,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:08:33,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:08:33,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:33" (1/1) ... [2023-11-25 00:08:33,367 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:33" (1/1) ... [2023-11-25 00:08:33,822 INFO L138 Inliner]: procedures = 428, calls = 4223, calls flagged for inlining = 225, calls inlined = 216, statements flattened = 9729 [2023-11-25 00:08:33,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:08:33,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:08:33,825 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:08:33,825 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:08:33,837 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:33" (1/1) ... [2023-11-25 00:08:33,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:33" (1/1) ... [2023-11-25 00:08:33,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:33" (1/1) ... [2023-11-25 00:08:33,913 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:33" (1/1) ... [2023-11-25 00:08:34,231 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:33" (1/1) ... [2023-11-25 00:08:34,281 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:33" (1/1) ... [2023-11-25 00:08:34,342 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:33" (1/1) ... [2023-11-25 00:08:34,382 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:33" (1/1) ... [2023-11-25 00:08:34,461 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:08:34,462 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:08:34,463 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:08:34,463 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:08:34,464 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:33" (1/1) ... [2023-11-25 00:08:34,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:08:34,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08697-d424-4293-a0af-f845ce1e21e5/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:08:34,500 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08697-d424-4293-a0af-f845ce1e21e5/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:08:34,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff08697-d424-4293-a0af-f845ce1e21e5/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:08:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-25 00:08:34,553 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-25 00:08:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-25 00:08:34,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-25 00:08:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-25 00:08:34,556 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-25 00:08:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-11-25 00:08:34,557 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-11-25 00:08:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2023-11-25 00:08:34,558 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2023-11-25 00:08:34,558 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-25 00:08:34,559 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-25 00:08:34,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-25 00:08:34,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-25 00:08:34,560 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-25 00:08:34,560 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-25 00:08:34,560 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2023-11-25 00:08:34,560 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2023-11-25 00:08:34,561 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2023-11-25 00:08:34,561 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2023-11-25 00:08:34,561 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-25 00:08:34,561 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-25 00:08:34,561 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2023-11-25 00:08:34,562 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2023-11-25 00:08:34,562 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-25 00:08:34,562 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-25 00:08:34,562 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-25 00:08:34,563 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-25 00:08:34,563 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-25 00:08:34,563 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-25 00:08:34,563 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2023-11-25 00:08:34,563 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2023-11-25 00:08:34,564 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-25 00:08:34,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-25 00:08:34,564 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-25 00:08:34,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-25 00:08:34,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2023-11-25 00:08:34,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2023-11-25 00:08:34,565 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-25 00:08:34,565 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-25 00:08:34,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_27 [2023-11-25 00:08:34,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_27 [2023-11-25 00:08:34,566 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2023-11-25 00:08:34,567 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2023-11-25 00:08:34,567 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-25 00:08:34,568 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-25 00:08:34,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-25 00:08:34,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-25 00:08:34,568 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-25 00:08:34,568 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-25 00:08:34,568 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-25 00:08:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-25 00:08:34,569 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-25 00:08:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-25 00:08:34,570 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-25 00:08:34,570 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-25 00:08:34,570 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-25 00:08:34,570 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-25 00:08:34,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-25 00:08:34,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-25 00:08:34,571 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-11-25 00:08:34,571 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-11-25 00:08:34,571 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-25 00:08:34,572 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-25 00:08:34,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2023-11-25 00:08:34,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2023-11-25 00:08:34,573 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-25 00:08:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-25 00:08:34,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:08:34,573 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2023-11-25 00:08:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2023-11-25 00:08:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-25 00:08:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-25 00:08:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_30 [2023-11-25 00:08:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_30 [2023-11-25 00:08:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-25 00:08:34,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-25 00:08:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-25 00:08:34,575 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-25 00:08:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-25 00:08:34,575 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-25 00:08:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-25 00:08:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2023-11-25 00:08:34,576 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2023-11-25 00:08:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-11-25 00:08:34,576 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-11-25 00:08:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2023-11-25 00:08:34,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2023-11-25 00:08:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-25 00:08:34,577 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-25 00:08:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-25 00:08:34,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-25 00:08:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-25 00:08:34,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-25 00:08:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-25 00:08:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-25 00:08:34,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-25 00:08:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:08:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2023-11-25 00:08:34,581 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2023-11-25 00:08:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-25 00:08:34,581 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-25 00:08:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-25 00:08:34,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-25 00:08:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-25 00:08:34,582 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-25 00:08:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-25 00:08:34,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-25 00:08:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-25 00:08:34,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-25 00:08:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-25 00:08:34,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-25 00:08:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2023-11-25 00:08:34,583 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2023-11-25 00:08:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-25 00:08:34,583 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-25 00:08:34,584 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-11-25 00:08:34,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-11-25 00:08:34,585 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-25 00:08:34,586 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-25 00:08:34,586 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2023-11-25 00:08:34,586 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2023-11-25 00:08:34,586 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-25 00:08:34,587 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-25 00:08:34,587 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2023-11-25 00:08:34,587 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2023-11-25 00:08:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:08:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2023-11-25 00:08:34,591 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2023-11-25 00:08:34,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-25 00:08:34,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-25 00:08:34,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:08:34,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-25 00:08:34,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-25 00:08:34,595 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-25 00:08:34,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-25 00:08:34,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:08:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-11-25 00:08:34,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-11-25 00:08:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:08:34,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:08:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-25 00:08:34,603 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-25 00:08:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-25 00:08:34,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-25 00:08:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2023-11-25 00:08:34,604 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2023-11-25 00:08:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-25 00:08:34,604 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-25 00:08:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2023-11-25 00:08:34,604 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2023-11-25 00:08:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-11-25 00:08:34,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-11-25 00:08:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-25 00:08:34,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-25 00:08:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2023-11-25 00:08:34,605 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2023-11-25 00:08:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2023-11-25 00:08:34,606 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2023-11-25 00:08:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-25 00:08:34,606 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-25 00:08:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-25 00:08:34,606 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-25 00:08:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2023-11-25 00:08:34,606 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2023-11-25 00:08:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-25 00:08:34,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-25 00:08:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2023-11-25 00:08:34,607 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2023-11-25 00:08:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-25 00:08:34,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-25 00:08:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-25 00:08:34,608 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-25 00:08:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2023-11-25 00:08:34,608 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2023-11-25 00:08:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-11-25 00:08:34,608 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-11-25 00:08:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2023-11-25 00:08:34,609 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2023-11-25 00:08:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2023-11-25 00:08:34,609 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2023-11-25 00:08:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-25 00:08:34,609 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-25 00:08:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:08:34,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:08:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-25 00:08:34,610 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-25 00:08:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2023-11-25 00:08:34,610 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2023-11-25 00:08:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-25 00:08:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-25 00:08:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-25 00:08:34,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-25 00:08:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-25 00:08:34,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-25 00:08:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2023-11-25 00:08:34,611 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2023-11-25 00:08:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-25 00:08:34,611 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-25 00:08:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-25 00:08:34,612 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-25 00:08:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-11-25 00:08:34,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-11-25 00:08:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-25 00:08:34,612 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-25 00:08:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-25 00:08:34,613 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-25 00:08:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:08:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-25 00:08:34,613 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-25 00:08:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-25 00:08:34,613 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-25 00:08:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2023-11-25 00:08:34,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2023-11-25 00:08:34,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:08:34,614 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2023-11-25 00:08:34,614 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2023-11-25 00:08:34,614 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2023-11-25 00:08:34,614 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2023-11-25 00:08:34,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:08:34,614 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-25 00:08:34,615 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-25 00:08:34,615 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-25 00:08:34,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-25 00:08:34,615 INFO L130 BoogieDeclarations]: Found specification of procedure rx_oom_timer [2023-11-25 00:08:34,615 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_oom_timer [2023-11-25 00:08:34,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-11-25 00:08:34,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-11-25 00:08:34,616 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-25 00:08:34,616 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-25 00:08:34,616 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-25 00:08:34,616 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-25 00:08:34,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-25 00:08:34,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-25 00:08:34,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-25 00:08:34,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-25 00:08:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-25 00:08:34,617 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-25 00:08:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2023-11-25 00:08:34,617 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2023-11-25 00:08:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2023-11-25 00:08:34,617 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2023-11-25 00:08:34,618 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-11-25 00:08:34,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-11-25 00:08:34,618 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-25 00:08:34,618 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-25 00:08:34,618 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2023-11-25 00:08:34,618 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2023-11-25 00:08:34,618 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-25 00:08:34,619 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-25 00:08:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-25 00:08:34,619 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-25 00:08:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-25 00:08:34,619 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-25 00:08:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-25 00:08:34,624 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-25 00:08:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2023-11-25 00:08:34,625 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2023-11-25 00:08:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_timer [2023-11-25 00:08:34,625 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_timer [2023-11-25 00:08:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:08:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-25 00:08:34,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-25 00:08:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2023-11-25 00:08:34,626 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2023-11-25 00:08:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-11-25 00:08:34,628 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-11-25 00:08:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-25 00:08:34,628 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-25 00:08:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-25 00:08:34,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-25 00:08:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2023-11-25 00:08:34,629 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2023-11-25 00:08:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2023-11-25 00:08:34,629 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2023-11-25 00:08:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2023-11-25 00:08:34,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2023-11-25 00:08:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-25 00:08:34,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-25 00:08:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2023-11-25 00:08:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2023-11-25 00:08:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-25 00:08:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-25 00:08:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2023-11-25 00:08:34,733 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2023-11-25 00:08:34,733 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2023-11-25 00:08:34,733 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2023-11-25 00:08:34,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-25 00:08:34,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-25 00:08:34,733 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-25 00:08:34,733 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-25 00:08:34,733 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-25 00:08:34,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-25 00:08:34,733 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-25 00:08:34,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-25 00:08:34,733 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-25 00:08:34,733 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-25 00:08:34,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:08:34,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-25 00:08:34,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-25 00:08:34,734 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-25 00:08:34,734 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-25 00:08:35,935 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:08:35,945 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:08:38,312 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-25 00:08:46,973 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:08:52,438 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:08:52,439 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-25 00:08:52,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:08:52 BoogieIcfgContainer [2023-11-25 00:08:52,442 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:08:52,445 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:08:52,446 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:08:52,449 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:08:52,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:08:27" (1/3) ... [2023-11-25 00:08:52,451 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1626dcaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:08:52, skipping insertion in model container [2023-11-25 00:08:52,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:33" (2/3) ... [2023-11-25 00:08:52,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1626dcaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:08:52, skipping insertion in model container [2023-11-25 00:08:52,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:08:52" (3/3) ... [2023-11-25 00:08:52,454 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2023-11-25 00:08:52,474 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:08:52,475 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-25 00:08:52,586 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:08:52,594 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@738e7902, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:08:52,595 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-25 00:08:52,608 INFO L276 IsEmpty]: Start isEmpty. Operand has 2319 states, 1367 states have (on average 1.3116313094367227) internal successors, (1793), 1451 states have internal predecessors, (1793), 807 states have call successors, (807), 143 states have call predecessors, (807), 142 states have return successors, (800), 782 states have call predecessors, (800), 800 states have call successors, (800) [2023-11-25 00:08:52,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-25 00:08:52,623 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:08:52,624 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-11-25 00:08:52,625 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:08:52,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:08:52,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1321061577, now seen corresponding path program 1 times [2023-11-25 00:08:52,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:08:52,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490817340] [2023-11-25 00:08:52,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:52,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:08:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:08:54,332 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-25 00:08:54,332 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:08:54,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490817340] [2023-11-25 00:08:54,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490817340] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:08:54,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:08:54,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-25 00:08:54,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384743854] [2023-11-25 00:08:54,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:08:54,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-25 00:08:54,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:08:54,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-25 00:08:54,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-25 00:08:54,379 INFO L87 Difference]: Start difference. First operand has 2319 states, 1367 states have (on average 1.3116313094367227) internal successors, (1793), 1451 states have internal predecessors, (1793), 807 states have call successors, (807), 143 states have call predecessors, (807), 142 states have return successors, (800), 782 states have call predecessors, (800), 800 states have call successors, (800) Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-25 00:08:56,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:08:57,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:08:59,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:09:02,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:09:02,511 INFO L93 Difference]: Finished difference Result 4614 states and 6777 transitions. [2023-11-25 00:09:02,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-25 00:09:02,514 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 36 [2023-11-25 00:09:02,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:09:02,565 INFO L225 Difference]: With dead ends: 4614 [2023-11-25 00:09:02,565 INFO L226 Difference]: Without dead ends: 2280 [2023-11-25 00:09:02,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:09:02,596 INFO L413 NwaCegarLoop]: 3005 mSDtfsCounter, 3378 mSDsluCounter, 3005 mSDsCounter, 0 mSdLazyCounter, 773 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3378 SdHoareTripleChecker+Valid, 6010 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 773 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2023-11-25 00:09:02,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3378 Valid, 6010 Invalid, 774 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 773 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2023-11-25 00:09:02,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2280 states. [2023-11-25 00:09:02,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2280 to 2280. [2023-11-25 00:09:02,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2280 states, 1348 states have (on average 1.3048961424332344) internal successors, (1759), 1425 states have internal predecessors, (1759), 790 states have call successors, (790), 141 states have call predecessors, (790), 141 states have return successors, (790), 772 states have call predecessors, (790), 790 states have call successors, (790) [2023-11-25 00:09:02,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2280 states to 2280 states and 3339 transitions. [2023-11-25 00:09:02,920 INFO L78 Accepts]: Start accepts. Automaton has 2280 states and 3339 transitions. Word has length 36 [2023-11-25 00:09:02,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:09:02,921 INFO L495 AbstractCegarLoop]: Abstraction has 2280 states and 3339 transitions. [2023-11-25 00:09:02,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-25 00:09:02,922 INFO L276 IsEmpty]: Start isEmpty. Operand 2280 states and 3339 transitions. [2023-11-25 00:09:02,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-25 00:09:02,936 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:09:02,936 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-25 00:09:02,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:09:02,941 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:09:02,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:09:02,941 INFO L85 PathProgramCache]: Analyzing trace with hash 677617746, now seen corresponding path program 1 times [2023-11-25 00:09:02,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:09:02,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104232595] [2023-11-25 00:09:02,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:09:02,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:09:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:09:04,309 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-25 00:09:04,310 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:09:04,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104232595] [2023-11-25 00:09:04,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104232595] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:09:04,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:09:04,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-25 00:09:04,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412061940] [2023-11-25 00:09:04,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:09:04,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-25 00:09:04,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:09:04,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-25 00:09:04,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-25 00:09:04,314 INFO L87 Difference]: Start difference. First operand 2280 states and 3339 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-25 00:09:06,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:09:08,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []