./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-3com-3c59x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_6ce8812a-956a-4acf-b832-a89f62536efb/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ce8812a-956a-4acf-b832-a89f62536efb/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ce8812a-956a-4acf-b832-a89f62536efb/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ce8812a-956a-4acf-b832-a89f62536efb/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ce8812a-956a-4acf-b832-a89f62536efb/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ce8812a-956a-4acf-b832-a89f62536efb/bin/utaipan-verify-t7M7D8N6sZ --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 079fce486bad33abab391a672044e04aae9233622e9697c4aac88598201cd13f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:19:18,779 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:19:18,874 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ce8812a-956a-4acf-b832-a89f62536efb/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:19:18,880 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:19:18,881 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:19:18,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:19:18,906 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:19:18,907 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:19:18,908 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:19:18,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:19:18,909 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:19:18,910 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:19:18,910 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:19:18,911 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:19:18,912 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:19:18,912 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:19:18,913 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:19:18,914 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:19:18,914 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:19:18,915 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:19:18,915 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:19:18,916 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:19:18,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:19:18,918 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:19:18,918 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:19:18,919 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:19:18,919 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:19:18,920 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:19:18,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:19:18,921 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:19:18,921 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:19:18,922 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:19:18,922 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:19:18,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:19:18,923 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:19:18,923 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:19:18,923 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:19:18,924 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:19:18,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:19:18,924 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:19:18,925 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:19:18,925 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:19:18,925 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_6ce8812a-956a-4acf-b832-a89f62536efb/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ce8812a-956a-4acf-b832-a89f62536efb/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 079fce486bad33abab391a672044e04aae9233622e9697c4aac88598201cd13f [2023-11-19 04:19:19,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:19:19,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:19:19,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:19:19,219 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:19:19,220 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:19:19,221 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ce8812a-956a-4acf-b832-a89f62536efb/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2023-11-19 04:19:22,332 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:19:23,093 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:19:23,094 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ce8812a-956a-4acf-b832-a89f62536efb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2023-11-19 04:19:23,150 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ce8812a-956a-4acf-b832-a89f62536efb/bin/utaipan-verify-t7M7D8N6sZ/data/e07ee37ba/b08a431eb7044f7e9a89565d052fefc7/FLAG77ce9ba79 [2023-11-19 04:19:23,167 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ce8812a-956a-4acf-b832-a89f62536efb/bin/utaipan-verify-t7M7D8N6sZ/data/e07ee37ba/b08a431eb7044f7e9a89565d052fefc7 [2023-11-19 04:19:23,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:19:23,175 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:19:23,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:19:23,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:19:23,181 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:19:23,182 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:19:23" (1/1) ... [2023-11-19 04:19:23,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41145614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:19:23, skipping insertion in model container [2023-11-19 04:19:23,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:19:23" (1/1) ... [2023-11-19 04:19:23,395 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:19:27,166 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_6ce8812a-956a-4acf-b832-a89f62536efb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423587,423600] [2023-11-19 04:19:27,174 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_6ce8812a-956a-4acf-b832-a89f62536efb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423734,423747] [2023-11-19 04:19:27,175 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_6ce8812a-956a-4acf-b832-a89f62536efb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423873,423886] [2023-11-19 04:19:27,175 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_6ce8812a-956a-4acf-b832-a89f62536efb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[424031,424044] [2023-11-19 04:19:27,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:19:27,325 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:19:27,468 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"); [5379] [2023-11-19 04:19:27,470 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)); [5386] [2023-11-19 04:19:27,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5393] [2023-11-19 04:19:27,473 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)); [5438-5439] [2023-11-19 04:19:27,474 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"); [5444-5446] [2023-11-19 04:19:27,475 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" (809), "i" (12UL)); [5471-5472] [2023-11-19 04:19:27,475 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"); [5477-5479] [2023-11-19 04:19:27,476 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" (814), "i" (12UL)); [5503-5504] [2023-11-19 04:19:27,476 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"); [5509-5511] [2023-11-19 04:19:27,487 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)); [5734-5735] [2023-11-19 04:19:27,490 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)); [5768-5769] [2023-11-19 04:19:27,492 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)); [5805-5806] [2023-11-19 04:19:27,493 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)); [5842-5843] [2023-11-19 04:19:27,812 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)); [11506-11507] [2023-11-19 04:19:27,903 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_6ce8812a-956a-4acf-b832-a89f62536efb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423587,423600] [2023-11-19 04:19:27,904 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_6ce8812a-956a-4acf-b832-a89f62536efb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423734,423747] [2023-11-19 04:19:27,905 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_6ce8812a-956a-4acf-b832-a89f62536efb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423873,423886] [2023-11-19 04:19:27,905 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_6ce8812a-956a-4acf-b832-a89f62536efb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[424031,424044] [2023-11-19 04:19:27,920 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:19:28,272 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:19:28,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:19:28 WrapperNode [2023-11-19 04:19:28,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:19:28,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:19:28,275 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:19:28,275 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:19:28,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:19:28" (1/1) ... [2023-11-19 04:19:28,431 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:19:28" (1/1) ... [2023-11-19 04:19:28,802 INFO L138 Inliner]: procedures = 447, calls = 4270, calls flagged for inlining = 247, calls inlined = 238, statements flattened = 9965 [2023-11-19 04:19:28,812 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:19:28,813 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:19:28,813 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:19:28,813 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:19:28,823 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:19:28" (1/1) ... [2023-11-19 04:19:28,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:19:28" (1/1) ... [2023-11-19 04:19:28,918 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:19:28" (1/1) ... [2023-11-19 04:19:28,918 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:19:28" (1/1) ... [2023-11-19 04:19:29,255 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:19:28" (1/1) ... [2023-11-19 04:19:29,301 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:19:28" (1/1) ... [2023-11-19 04:19:29,346 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:19:28" (1/1) ... [2023-11-19 04:19:29,383 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:19:28" (1/1) ... [2023-11-19 04:19:29,446 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:19:29,448 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:19:29,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:19:29,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:19:29,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:19:28" (1/1) ... [2023-11-19 04:19:29,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:19:29,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ce8812a-956a-4acf-b832-a89f62536efb/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:19:29,489 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ce8812a-956a-4acf-b832-a89f62536efb/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:19:29,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ce8812a-956a-4acf-b832-a89f62536efb/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:19:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 04:19:29,542 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 04:19:29,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:19:29,542 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:19:29,542 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-19 04:19:29,543 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-19 04:19:29,543 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-11-19 04:19:29,544 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-11-19 04:19:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2023-11-19 04:19:29,545 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2023-11-19 04:19:29,546 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 04:19:29,546 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 04:19:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:19:29,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:19:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 04:19:29,547 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 04:19:29,548 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2023-11-19 04:19:29,548 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2023-11-19 04:19:29,548 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2023-11-19 04:19:29,549 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2023-11-19 04:19:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-19 04:19:29,549 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-19 04:19:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2023-11-19 04:19:29,549 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2023-11-19 04:19:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 04:19:29,550 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 04:19:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-19 04:19:29,550 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-19 04:19:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-19 04:19:29,550 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-19 04:19:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2023-11-19 04:19:29,551 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2023-11-19 04:19:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-19 04:19:29,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-19 04:19:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 04:19:29,551 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 04:19:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 04:19:29,552 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 04:19:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2023-11-19 04:19:29,552 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2023-11-19 04:19:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 04:19:29,553 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 04:19:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 04:19:29,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 04:19:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 04:19:29,554 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 04:19:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-19 04:19:29,555 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-19 04:19:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-19 04:19:29,555 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-19 04:19:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-19 04:19:29,556 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-19 04:19:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 04:19:29,556 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 04:19:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 04:19:29,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 04:19:29,557 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-11-19 04:19:29,557 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-11-19 04:19:29,557 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 04:19:29,557 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 04:19:29,558 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 04:19:29,558 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 04:19:29,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:19:29,558 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2023-11-19 04:19:29,558 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2023-11-19 04:19:29,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-19 04:19:29,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-19 04:19:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 04:19:29,560 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 04:19:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 04:19:29,560 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 04:19:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-19 04:19:29,560 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-19 04:19:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:19:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2023-11-19 04:19:29,561 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2023-11-19 04:19:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-11-19 04:19:29,561 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-11-19 04:19:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2023-11-19 04:19:29,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2023-11-19 04:19:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 04:19:29,562 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 04:19:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-19 04:19:29,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-19 04:19:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 04:19:29,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 04:19:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:19:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 04:19:29,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 04:19:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:19:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2023-11-19 04:19:29,564 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2023-11-19 04:19:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-19 04:19:29,565 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-19 04:19:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 04:19:29,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 04:19:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 04:19:29,566 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 04:19:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 04:19:29,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 04:19:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 04:19:29,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 04:19:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 04:19:29,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 04:19:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2023-11-19 04:19:29,568 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2023-11-19 04:19:29,568 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-19 04:19:29,568 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-19 04:19:29,568 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-11-19 04:19:29,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-11-19 04:19:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 04:19:29,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 04:19:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2023-11-19 04:19:29,569 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2023-11-19 04:19:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 04:19:29,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 04:19:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2023-11-19 04:19:29,570 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2023-11-19 04:19:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:19:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 04:19:29,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 04:19:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2023-11-19 04:19:29,572 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2023-11-19 04:19:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 04:19:29,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 04:19:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-19 04:19:29,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-19 04:19:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-19 04:19:29,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-19 04:19:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-19 04:19:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-19 04:19:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:19:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 04:19:29,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 04:19:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 04:19:29,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 04:19:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:19:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-11-19 04:19:29,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-11-19 04:19:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:19:29,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:19:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-19 04:19:29,587 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-19 04:19:29,588 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 04:19:29,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 04:19:29,588 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2023-11-19 04:19:29,589 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2023-11-19 04:19:29,589 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 04:19:29,589 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 04:19:29,589 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2023-11-19 04:19:29,589 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2023-11-19 04:19:29,589 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-11-19 04:19:29,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-11-19 04:19:29,590 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 04:19:29,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 04:19:29,590 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2023-11-19 04:19:29,590 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2023-11-19 04:19:29,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2023-11-19 04:19:29,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2023-11-19 04:19:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2023-11-19 04:19:29,591 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2023-11-19 04:19:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 04:19:29,591 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 04:19:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 04:19:29,592 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 04:19:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2023-11-19 04:19:29,592 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2023-11-19 04:19:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 04:19:29,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 04:19:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2023-11-19 04:19:29,593 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2023-11-19 04:19:29,593 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-19 04:19:29,593 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-19 04:19:29,593 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2023-11-19 04:19:29,593 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2023-11-19 04:19:29,593 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-11-19 04:19:29,593 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-11-19 04:19:29,594 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2023-11-19 04:19:29,594 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2023-11-19 04:19:29,594 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2023-11-19 04:19:29,594 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2023-11-19 04:19:29,594 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-19 04:19:29,594 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-19 04:19:29,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:19:29,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:19:29,595 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-19 04:19:29,595 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-19 04:19:29,595 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2023-11-19 04:19:29,595 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2023-11-19 04:19:29,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:19:29,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:19:29,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:19:29,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:19:29,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 04:19:29,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 04:19:29,596 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2023-11-19 04:19:29,597 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2023-11-19 04:19:29,597 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 04:19:29,597 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 04:19:29,597 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 04:19:29,597 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 04:19:29,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-11-19 04:19:29,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-11-19 04:19:29,598 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 04:19:29,598 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 04:19:29,598 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-19 04:19:29,598 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-19 04:19:29,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:19:29,598 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-19 04:19:29,599 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-19 04:19:29,599 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 04:19:29,599 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 04:19:29,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2023-11-19 04:19:29,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2023-11-19 04:19:29,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:19:29,599 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2023-11-19 04:19:29,600 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2023-11-19 04:19:29,600 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2023-11-19 04:19:29,600 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2023-11-19 04:19:29,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:19:29,600 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:19:29,600 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:19:29,601 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-19 04:19:29,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-19 04:19:29,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-11-19 04:19:29,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-11-19 04:19:29,601 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 04:19:29,601 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 04:19:29,601 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 04:19:29,602 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 04:19:29,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 04:19:29,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 04:19:29,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-19 04:19:29,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-19 04:19:29,602 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-19 04:19:29,603 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-19 04:19:29,603 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2023-11-19 04:19:29,603 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2023-11-19 04:19:29,603 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2023-11-19 04:19:29,603 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2023-11-19 04:19:29,603 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-11-19 04:19:29,603 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-11-19 04:19:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-19 04:19:29,604 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-19 04:19:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2023-11-19 04:19:29,604 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2023-11-19 04:19:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-19 04:19:29,604 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-19 04:19:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 04:19:29,605 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 04:19:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-19 04:19:29,605 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-19 04:19:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 04:19:29,605 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 04:19:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2023-11-19 04:19:29,606 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2023-11-19 04:19:29,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:19:29,610 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-19 04:19:29,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-19 04:19:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2023-11-19 04:19:29,611 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2023-11-19 04:19:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-11-19 04:19:29,611 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-11-19 04:19:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-19 04:19:29,611 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-19 04:19:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:19:29,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:19:29,612 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2023-11-19 04:19:29,612 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2023-11-19 04:19:29,613 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2023-11-19 04:19:29,613 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2023-11-19 04:19:29,613 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-19 04:19:29,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-19 04:19:29,613 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2023-11-19 04:19:29,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2023-11-19 04:19:29,613 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-19 04:19:29,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-19 04:19:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2023-11-19 04:19:29,614 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2023-11-19 04:19:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2023-11-19 04:19:29,614 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2023-11-19 04:19:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 04:19:29,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 04:19:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-19 04:19:29,615 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-19 04:19:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-19 04:19:29,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-19 04:19:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-19 04:19:29,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-19 04:19:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 04:19:29,616 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 04:19:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:19:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 04:19:29,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 04:19:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-19 04:19:29,616 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-19 04:19:30,721 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:19:30,726 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:19:32,128 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:19:39,883 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 04:19:40,060 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:19:45,828 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:19:45,828 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 04:19:45,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:19:45 BoogieIcfgContainer [2023-11-19 04:19:45,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:19:45,853 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:19:45,853 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:19:45,857 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:19:45,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:19:23" (1/3) ... [2023-11-19 04:19:45,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@377dbac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:19:45, skipping insertion in model container [2023-11-19 04:19:45,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:19:28" (2/3) ... [2023-11-19 04:19:45,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@377dbac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:19:45, skipping insertion in model container [2023-11-19 04:19:45,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:19:45" (3/3) ... [2023-11-19 04:19:45,861 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2023-11-19 04:19:45,882 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:19:45,883 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 04:19:46,058 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:19:46,067 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;@32f0bafa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:19:46,067 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-19 04:19:46,087 INFO L276 IsEmpty]: Start isEmpty. Operand has 2498 states, 1507 states have (on average 1.3397478433974785) internal successors, (2019), 1577 states have internal predecessors, (2019), 850 states have call successors, (850), 140 states have call predecessors, (850), 139 states have return successors, (841), 826 states have call predecessors, (841), 841 states have call successors, (841) [2023-11-19 04:19:46,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-11-19 04:19:46,133 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:19:46,133 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:19:46,134 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] === [2023-11-19 04:19:46,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:19:46,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1297272065, now seen corresponding path program 1 times [2023-11-19 04:19:46,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:19:46,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20539612] [2023-11-19 04:19:46,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:19:46,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:19:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:19:47,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2023-11-19 04:19:47,668 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:19:47,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20539612] [2023-11-19 04:19:47,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20539612] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:19:47,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:19:47,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:19:47,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457480110] [2023-11-19 04:19:47,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:19:47,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:19:47,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:19:47,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:19:47,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:19:47,729 INFO L87 Difference]: Start difference. First operand has 2498 states, 1507 states have (on average 1.3397478433974785) internal successors, (2019), 1577 states have internal predecessors, (2019), 850 states have call successors, (850), 140 states have call predecessors, (850), 139 states have return successors, (841), 826 states have call predecessors, (841), 841 states have call successors, (841) Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-19 04:19:52,219 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 [] [2023-11-19 04:19:54,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:19:56,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:19:57,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:19:57,339 INFO L93 Difference]: Finished difference Result 7334 states and 10919 transitions. [2023-11-19 04:19:57,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:19:57,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 191 [2023-11-19 04:19:57,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:19:57,433 INFO L225 Difference]: With dead ends: 7334 [2023-11-19 04:19:57,434 INFO L226 Difference]: Without dead ends: 4854 [2023-11-19 04:19:57,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:19:57,468 INFO L413 NwaCegarLoop]: 3238 mSDtfsCounter, 3572 mSDsluCounter, 3186 mSDsCounter, 0 mSdLazyCounter, 960 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3572 SdHoareTripleChecker+Valid, 6424 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 960 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:19:57,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3572 Valid, 6424 Invalid, 969 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 960 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2023-11-19 04:19:57,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4854 states. [2023-11-19 04:19:57,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4854 to 4852. [2023-11-19 04:19:57,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4852 states, 2940 states have (on average 1.336734693877551) internal successors, (3930), 3079 states have internal predecessors, (3930), 1635 states have call successors, (1635), 276 states have call predecessors, (1635), 275 states have return successors, (1632), 1602 states have call predecessors, (1632), 1632 states have call successors, (1632) [2023-11-19 04:19:58,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4852 states to 4852 states and 7197 transitions. [2023-11-19 04:19:58,059 INFO L78 Accepts]: Start accepts. Automaton has 4852 states and 7197 transitions. Word has length 191 [2023-11-19 04:19:58,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:19:58,065 INFO L495 AbstractCegarLoop]: Abstraction has 4852 states and 7197 transitions. [2023-11-19 04:19:58,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-19 04:19:58,065 INFO L276 IsEmpty]: Start isEmpty. Operand 4852 states and 7197 transitions. [2023-11-19 04:19:58,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-11-19 04:19:58,079 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:19:58,079 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:19:58,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:19:58,080 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] === [2023-11-19 04:19:58,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:19:58,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1584034416, now seen corresponding path program 1 times [2023-11-19 04:19:58,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:19:58,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691788401] [2023-11-19 04:19:58,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:19:58,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:19:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:19:59,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2023-11-19 04:19:59,028 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:19:59,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691788401] [2023-11-19 04:19:59,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691788401] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:19:59,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:19:59,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:19:59,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747512853] [2023-11-19 04:19:59,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:19:59,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:19:59,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:19:59,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:19:59,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:19:59,033 INFO L87 Difference]: Start difference. First operand 4852 states and 7197 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-19 04:20:02,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:20:04,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:20:06,860 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 []