./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-atheros-atl1c-atl1c.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbcee55-588c-4364-b743-0e25a2997310/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbcee55-588c-4364-b743-0e25a2997310/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbcee55-588c-4364-b743-0e25a2997310/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbcee55-588c-4364-b743-0e25a2997310/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbcee55-588c-4364-b743-0e25a2997310/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbcee55-588c-4364-b743-0e25a2997310/bin/utaipan-verify-YMUCfTKeje --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 a0e5147711cee9d5eb08175eadb69c4748f12011b8e16af4c7fae6526eebe246 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:19:55,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:19:55,191 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbcee55-588c-4364-b743-0e25a2997310/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 05:19:55,198 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:19:55,199 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:19:55,241 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:19:55,242 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:19:55,243 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:19:55,243 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:19:55,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:19:55,244 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:19:55,245 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:19:55,246 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:19:55,249 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:19:55,249 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:19:55,250 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:19:55,250 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:19:55,251 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:19:55,251 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:19:55,251 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:19:55,252 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:19:55,256 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:19:55,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:19:55,258 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:19:55,258 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:19:55,258 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:19:55,259 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:19:55,259 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:19:55,259 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:19:55,260 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:19:55,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:19:55,261 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:19:55,269 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:19:55,270 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:19:55,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:19:55,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:19:55,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:19:55,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:19:55,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:19:55,272 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:19:55,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:19:55,273 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:19:55,273 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:19:55,273 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:19:55,274 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_fcbcee55-588c-4364-b743-0e25a2997310/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbcee55-588c-4364-b743-0e25a2997310/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0e5147711cee9d5eb08175eadb69c4748f12011b8e16af4c7fae6526eebe246 [2024-11-09 05:19:55,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:19:55,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:19:55,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:19:55,672 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:19:55,673 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:19:55,674 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbcee55-588c-4364-b743-0e25a2997310/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i Unable to find full path for "g++" [2024-11-09 05:19:58,015 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:19:59,056 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:19:59,056 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbcee55-588c-4364-b743-0e25a2997310/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2024-11-09 05:19:59,171 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbcee55-588c-4364-b743-0e25a2997310/bin/utaipan-verify-YMUCfTKeje/data/f740bbbca/a8dfaac51d82455ba0c08f490dcf52da/FLAGdd3c02c8c [2024-11-09 05:19:59,599 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbcee55-588c-4364-b743-0e25a2997310/bin/utaipan-verify-YMUCfTKeje/data/f740bbbca/a8dfaac51d82455ba0c08f490dcf52da [2024-11-09 05:19:59,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:19:59,604 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:19:59,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:19:59,607 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:19:59,614 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:19:59,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:19:59" (1/1) ... [2024-11-09 05:19:59,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d99b5e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:19:59, skipping insertion in model container [2024-11-09 05:19:59,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:19:59" (1/1) ... [2024-11-09 05:19:59,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:20:05,838 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbcee55-588c-4364-b743-0e25a2997310/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484314,484327] [2024-11-09 05:20:05,844 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbcee55-588c-4364-b743-0e25a2997310/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484461,484474] [2024-11-09 05:20:05,845 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbcee55-588c-4364-b743-0e25a2997310/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484600,484613] [2024-11-09 05:20:05,846 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbcee55-588c-4364-b743-0e25a2997310/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484758,484771] [2024-11-09 05:20:05,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:20:05,974 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:20:06,159 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"); [6249] [2024-11-09 05:20:06,161 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)); [6256] [2024-11-09 05:20:06,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6263] [2024-11-09 05:20:06,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [6279] [2024-11-09 05:20:06,169 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)); [6347-6348] [2024-11-09 05:20:06,170 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"); [6353-6355] [2024-11-09 05:20:06,171 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)); [6380-6381] [2024-11-09 05:20:06,172 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"); [6386-6388] [2024-11-09 05:20:06,173 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)); [6412-6413] [2024-11-09 05:20:06,174 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"); [6418-6420] [2024-11-09 05:20:06,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6484] [2024-11-09 05:20:06,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6487] [2024-11-09 05:20:06,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6490] [2024-11-09 05:20:06,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6493] [2024-11-09 05:20:06,180 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [6577] [2024-11-09 05:20:06,180 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6585] [2024-11-09 05:20:06,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [6592] [2024-11-09 05:20:06,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6599] [2024-11-09 05:20:06,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/mm.h"), "i" (488), "i" (12UL)); [6675-6676] [2024-11-09 05:20:06,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1,%0\n adcl $0xffff,%0": "=r" (sum): "r" (sum << 16), "0" (sum & 4294901760U)); [6705] [2024-11-09 05:20:06,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1, %0\n adcl %2, %0\n adcl %3, %0\n adcl $0, %0\n": "=r" (sum): "g" (daddr), "g" (saddr), "g" (((int )len + (int )proto) << 8), "0" (sum)); [6713-6714] [2024-11-09 05:20:06,196 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)); [6789-6790] [2024-11-09 05:20:06,199 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)); [6823-6824] [2024-11-09 05:20:06,201 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" (79), "i" (12UL)); [6864-6865] [2024-11-09 05:20:06,203 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" (91), "i" (12UL)); [6893-6894] [2024-11-09 05:20:06,222 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [7371-7372] [2024-11-09 05:20:06,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7378] [2024-11-09 05:20:06,436 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10457] [2024-11-09 05:20:06,822 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbcee55-588c-4364-b743-0e25a2997310/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484314,484327] [2024-11-09 05:20:06,823 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbcee55-588c-4364-b743-0e25a2997310/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484461,484474] [2024-11-09 05:20:06,823 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbcee55-588c-4364-b743-0e25a2997310/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484600,484613] [2024-11-09 05:20:06,827 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbcee55-588c-4364-b743-0e25a2997310/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484758,484771] [2024-11-09 05:20:06,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:20:07,325 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:20:07,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:20:07 WrapperNode [2024-11-09 05:20:07,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:20:07,328 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:20:07,347 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:20:07,347 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:20:07,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:20:07" (1/1) ... [2024-11-09 05:20:07,560 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:20:07" (1/1) ... [2024-11-09 05:20:08,047 INFO L138 Inliner]: procedures = 581, calls = 3899, calls flagged for inlining = 360, calls inlined = 348, statements flattened = 12155 [2024-11-09 05:20:08,050 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:20:08,051 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:20:08,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:20:08,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:20:08,064 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:20:07" (1/1) ... [2024-11-09 05:20:08,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:20:07" (1/1) ... [2024-11-09 05:20:08,147 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:20:07" (1/1) ... [2024-11-09 05:20:08,148 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:20:07" (1/1) ... [2024-11-09 05:20:08,589 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:20:07" (1/1) ... [2024-11-09 05:20:08,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:20:07" (1/1) ... [2024-11-09 05:20:08,734 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:20:07" (1/1) ... [2024-11-09 05:20:08,779 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:20:07" (1/1) ... [2024-11-09 05:20:08,890 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:20:08,893 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:20:08,893 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:20:08,893 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:20:08,895 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:20:07" (1/1) ... [2024-11-09 05:20:08,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:20:08,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbcee55-588c-4364-b743-0e25a2997310/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:20:08,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbcee55-588c-4364-b743-0e25a2997310/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:20:08,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbcee55-588c-4364-b743-0e25a2997310/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:20:08,995 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-09 05:20:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-09 05:20:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2024-11-09 05:20:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2024-11-09 05:20:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_core [2024-11-09 05:20:08,997 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_core [2024-11-09 05:20:08,997 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2024-11-09 05:20:08,997 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2024-11-09 05:20:08,997 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_post_phy_linkchg [2024-11-09 05:20:08,997 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_post_phy_linkchg [2024-11-09 05:20:08,997 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-09 05:20:08,998 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-09 05:20:08,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-09 05:20:08,998 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-09 05:20:08,998 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2024-11-09 05:20:08,998 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2024-11-09 05:20:08,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 05:20:08,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 05:20:08,999 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_rx_ring [2024-11-09 05:20:08,999 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_rx_ring [2024-11-09 05:20:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2024-11-09 05:20:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2024-11-09 05:20:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2024-11-09 05:20:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2024-11-09 05:20:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-09 05:20:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-09 05:20:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-09 05:20:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-09 05:20:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_current_addr [2024-11-09 05:20:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_current_addr [2024-11-09 05:20:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-09 05:20:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-09 05:20:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_mac [2024-11-09 05:20:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_mac [2024-11-09 05:20:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_disable [2024-11-09 05:20:09,003 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_disable [2024-11-09 05:20:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_stop_phy_polling [2024-11-09 05:20:09,003 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_stop_phy_polling [2024-11-09 05:20:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-09 05:20:09,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-09 05:20:09,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-09 05:20:09,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-09 05:20:09,004 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-09 05:20:09,005 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-09 05:20:09,006 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-11-09 05:20:09,006 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-11-09 05:20:09,006 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-09 05:20:09,006 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-09 05:20:09,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-09 05:20:09,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-09 05:20:09,007 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2024-11-09 05:20:09,007 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2024-11-09 05:20:09,007 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-09 05:20:09,007 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-09 05:20:09,007 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-09 05:20:09,007 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-09 05:20:09,008 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2024-11-09 05:20:09,008 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2024-11-09 05:20:09,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:20:09,008 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-09 05:20:09,008 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-09 05:20:09,008 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_speed_and_duplex [2024-11-09 05:20:09,008 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_speed_and_duplex [2024-11-09 05:20:09,008 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2024-11-09 05:20:09,009 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2024-11-09 05:20:09,009 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_close [2024-11-09 05:20:09,009 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_close [2024-11-09 05:20:09,009 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-09 05:20:09,009 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-09 05:20:09,009 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-09 05:20:09,009 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-09 05:20:09,009 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_reg [2024-11-09 05:20:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_reg [2024-11-09 05:20:09,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-09 05:20:09,010 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_init [2024-11-09 05:20:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_init [2024-11-09 05:20:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_dbg [2024-11-09 05:20:09,014 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_dbg [2024-11-09 05:20:09,014 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_regs_len [2024-11-09 05:20:09,015 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_regs_len [2024-11-09 05:20:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-09 05:20:09,015 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-09 05:20:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-09 05:20:09,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-09 05:20:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_ring_resources [2024-11-09 05:20:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_ring_resources [2024-11-09 05:20:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 05:20:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-09 05:20:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-09 05:20:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-09 05:20:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-09 05:20:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:20:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-09 05:20:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-09 05:20:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-09 05:20:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-09 05:20:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-09 05:20:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-09 05:20:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2024-11-09 05:20:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2024-11-09 05:20:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-09 05:20:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-09 05:20:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-09 05:20:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-09 05:20:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-09 05:20:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-09 05:20:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-09 05:20:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-09 05:20:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_multi [2024-11-09 05:20:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_multi [2024-11-09 05:20:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 05:20:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-09 05:20:09,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-09 05:20:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-09 05:20:09,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-09 05:20:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-11-09 05:20:09,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-11-09 05:20:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2024-11-09 05:20:09,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2024-11-09 05:20:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:20:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2024-11-09 05:20:09,025 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2024-11-09 05:20:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-09 05:20:09,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-09 05:20:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-09 05:20:09,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-09 05:20:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 05:20:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_start_phy_polling [2024-11-09 05:20:09,026 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_start_phy_polling [2024-11-09 05:20:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2024-11-09 05:20:09,028 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2024-11-09 05:20:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 05:20:09,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 05:20:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2024-11-09 05:20:09,029 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2024-11-09 05:20:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-09 05:20:09,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-09 05:20:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2024-11-09 05:20:09,029 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2024-11-09 05:20:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_core [2024-11-09 05:20:09,029 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_core [2024-11-09 05:20:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_until_idle [2024-11-09 05:20:09,029 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_until_idle [2024-11-09 05:20:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-11-09 05:20:09,030 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-11-09 05:20:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-09 05:20:09,030 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-09 05:20:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_link_status [2024-11-09 05:20:09,030 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_link_status [2024-11-09 05:20:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-09 05:20:09,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-09 05:20:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_alloc_rx_buffer [2024-11-09 05:20:09,031 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_alloc_rx_buffer [2024-11-09 05:20:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_io_resume [2024-11-09 05:20:09,031 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_io_resume [2024-11-09 05:20:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_dbg [2024-11-09 05:20:09,031 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_dbg [2024-11-09 05:20:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_mdio_idle [2024-11-09 05:20:09,031 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_mdio_idle [2024-11-09 05:20:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-09 05:20:09,031 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-09 05:20:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-09 05:20:09,035 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-09 05:20:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-09 05:20:09,035 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-09 05:20:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_vlan_mode [2024-11-09 05:20:09,035 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_vlan_mode [2024-11-09 05:20:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tx_buffer [2024-11-09 05:20:09,036 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tx_buffer [2024-11-09 05:20:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2024-11-09 05:20:09,036 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2024-11-09 05:20:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_down [2024-11-09 05:20:09,037 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_down [2024-11-09 05:20:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_suspend [2024-11-09 05:20:09,037 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_suspend [2024-11-09 05:20:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:20:09,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:20:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2024-11-09 05:20:09,038 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2024-11-09 05:20:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-11-09 05:20:09,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-11-09 05:20:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-09 05:20:09,038 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-09 05:20:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-09 05:20:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 05:20:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-09 05:20:09,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-09 05:20:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-11-09 05:20:09,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-11-09 05:20:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-11-09 05:20:09,040 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-11-09 05:20:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_tx_timeout [2024-11-09 05:20:09,040 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_tx_timeout [2024-11-09 05:20:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-11-09 05:20:09,040 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-11-09 05:20:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-09 05:20:09,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-09 05:20:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tpd [2024-11-09 05:20:09,041 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tpd [2024-11-09 05:20:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_hw_set_mac_addr [2024-11-09 05:20:09,042 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_hw_set_mac_addr [2024-11-09 05:20:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-09 05:20:09,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-09 05:20:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2024-11-09 05:20:09,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2024-11-09 05:20:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2024-11-09 05:20:09,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2024-11-09 05:20:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_restart_autoneg [2024-11-09 05:20:09,046 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_restart_autoneg [2024-11-09 05:20:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_rxbufsize [2024-11-09 05:20:09,046 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_rxbufsize [2024-11-09 05:20:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-09 05:20:09,047 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-09 05:20:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 05:20:09,047 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 05:20:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_irq [2024-11-09 05:20:09,047 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_irq [2024-11-09 05:20:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2024-11-09 05:20:09,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2024-11-09 05:20:09,048 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_ext [2024-11-09 05:20:09,048 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_ext [2024-11-09 05:20:09,048 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-11-09 05:20:09,048 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-11-09 05:20:09,048 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-09 05:20:09,048 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-09 05:20:09,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:20:09,048 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-11-09 05:20:09,048 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-11-09 05:20:09,048 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2024-11-09 05:20:09,049 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2024-11-09 05:20:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_nway_reset [2024-11-09 05:20:09,049 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_nway_reset [2024-11-09 05:20:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_dma_ring [2024-11-09 05:20:09,049 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_dma_ring [2024-11-09 05:20:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-09 05:20:09,049 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-09 05:20:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2024-11-09 05:20:09,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2024-11-09 05:20:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 05:20:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_enable [2024-11-09 05:20:09,051 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_enable [2024-11-09 05:20:09,052 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2024-11-09 05:20:09,052 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2024-11-09 05:20:09,052 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_eeprom_len [2024-11-09 05:20:09,052 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_eeprom_len [2024-11-09 05:20:09,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 05:20:09,053 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-09 05:20:09,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-09 05:20:09,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2024-11-09 05:20:09,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2024-11-09 05:20:09,057 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-09 05:20:09,057 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-09 05:20:09,057 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_eeprom_exist [2024-11-09 05:20:09,057 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_eeprom_exist [2024-11-09 05:20:09,057 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2024-11-09 05:20:09,057 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2024-11-09 05:20:09,057 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-09 05:20:09,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-09 05:20:09,058 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-09 05:20:09,058 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-09 05:20:09,058 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_netpoll [2024-11-09 05:20:09,058 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_netpoll [2024-11-09 05:20:09,058 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-09 05:20:09,058 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-09 05:20:09,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-09 05:20:09,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-09 05:20:09,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-09 05:20:09,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-09 05:20:09,059 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_configure [2024-11-09 05:20:09,059 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_configure [2024-11-09 05:20:09,059 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2024-11-09 05:20:09,059 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2024-11-09 05:20:09,059 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_tx_ring [2024-11-09 05:20:09,059 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_tx_ring [2024-11-09 05:20:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_reset [2024-11-09 05:20:09,060 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_reset [2024-11-09 05:20:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_open [2024-11-09 05:20:09,060 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_open [2024-11-09 05:20:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-09 05:20:09,060 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-09 05:20:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-09 05:20:09,060 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-09 05:20:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2024-11-09 05:20:09,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2024-11-09 05:20:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2024-11-09 05:20:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2024-11-09 05:20:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2024-11-09 05:20:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2024-11-09 05:20:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_intr [2024-11-09 05:20:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_intr [2024-11-09 05:20:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-09 05:20:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-09 05:20:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_power_saving [2024-11-09 05:20:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_power_saving [2024-11-09 05:20:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_setup_adv [2024-11-09 05:20:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_setup_adv [2024-11-09 05:20:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2024-11-09 05:20:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2024-11-09 05:20:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-09 05:20:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-09 05:20:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_buffer [2024-11-09 05:20:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_buffer [2024-11-09 05:20:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_remove [2024-11-09 05:20:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_remove [2024-11-09 05:20:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:20:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-09 05:20:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-09 05:20:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-09 05:20:09,067 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-09 05:20:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-11-09 05:20:09,067 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-11-09 05:20:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_up [2024-11-09 05:20:09,067 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_up [2024-11-09 05:20:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2024-11-09 05:20:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2024-11-09 05:20:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_disable_l0s_l1 [2024-11-09 05:20:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_disable_l0s_l1 [2024-11-09 05:20:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_resume [2024-11-09 05:20:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_resume [2024-11-09 05:20:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2024-11-09 05:20:09,069 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2024-11-09 05:20:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_pcie [2024-11-09 05:20:09,069 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_pcie [2024-11-09 05:20:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-09 05:20:09,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-09 05:20:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2024-11-09 05:20:09,069 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2024-11-09 05:20:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-11-09 05:20:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-11-09 05:20:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_shutdown [2024-11-09 05:20:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_shutdown [2024-11-09 05:20:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_aspm [2024-11-09 05:20:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_aspm [2024-11-09 05:20:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2024-11-09 05:20:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2024-11-09 05:20:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-09 05:20:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-09 05:20:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2024-11-09 05:20:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2024-11-09 05:20:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-09 05:20:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-09 05:20:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_reg [2024-11-09 05:20:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_reg [2024-11-09 05:20:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:20:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-09 05:20:09,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-09 05:20:11,099 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:20:11,105 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:20:12,037 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-09 05:20:33,945 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-09 05:20:38,599 INFO L? ?]: Removed 4968 outVars from TransFormulas that were not future-live. [2024-11-09 05:20:38,600 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:20:49,012 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:20:49,014 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:20:49,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:20:49 BoogieIcfgContainer [2024-11-09 05:20:49,014 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:20:49,017 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:20:49,018 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:20:49,022 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:20:49,023 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:19:59" (1/3) ... [2024-11-09 05:20:49,025 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e8ef884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:20:49, skipping insertion in model container [2024-11-09 05:20:49,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:20:07" (2/3) ... [2024-11-09 05:20:49,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e8ef884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:20:49, skipping insertion in model container [2024-11-09 05:20:49,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:20:49" (3/3) ... [2024-11-09 05:20:49,029 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2024-11-09 05:20:49,054 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:20:49,055 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 05:20:49,272 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:20:49,280 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4455225a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:20:49,281 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 05:20:49,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 3347 states, 2015 states have (on average 1.26848635235732) internal successors, (2556), 2048 states have internal predecessors, (2556), 1166 states have call successors, (1166), 165 states have call predecessors, (1166), 164 states have return successors, (1157), 1148 states have call predecessors, (1157), 1157 states have call successors, (1157) [2024-11-09 05:20:49,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-09 05:20:49,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:20:49,333 INFO L215 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:20:49,334 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:20:49,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:20:49,341 INFO L85 PathProgramCache]: Analyzing trace with hash 469562214, now seen corresponding path program 1 times [2024-11-09 05:20:49,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:20:49,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977619692] [2024-11-09 05:20:49,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:20:49,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:21:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:21:13,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2024-11-09 05:21:13,177 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:21:13,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977619692] [2024-11-09 05:21:13,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977619692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:21:13,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:21:13,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:21:13,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908499579] [2024-11-09 05:21:13,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:21:13,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:21:13,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:21:13,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:21:13,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:21:13,231 INFO L87 Difference]: Start difference. First operand has 3347 states, 2015 states have (on average 1.26848635235732) internal successors, (2556), 2048 states have internal predecessors, (2556), 1166 states have call successors, (1166), 165 states have call predecessors, (1166), 164 states have return successors, (1157), 1148 states have call predecessors, (1157), 1157 states have call successors, (1157) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2024-11-09 05:21:15,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:21:17,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:21:21,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:21:27,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:21:29,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:21:33,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:21:37,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:21:40,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:21:40,696 INFO L93 Difference]: Finished difference Result 9898 states and 14445 transitions. [2024-11-09 05:21:40,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:21:40,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) Word has length 193 [2024-11-09 05:21:40,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:21:40,778 INFO L225 Difference]: With dead ends: 9898 [2024-11-09 05:21:40,779 INFO L226 Difference]: Without dead ends: 6573 [2024-11-09 05:21:40,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:21:40,809 INFO L432 NwaCegarLoop]: 4272 mSDtfsCounter, 4758 mSDsluCounter, 4226 mSDsCounter, 0 mSdLazyCounter, 1231 mSolverCounterSat, 9 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4758 SdHoareTripleChecker+Valid, 8498 SdHoareTripleChecker+Invalid, 1246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1231 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:21:40,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4758 Valid, 8498 Invalid, 1246 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1231 Invalid, 6 Unknown, 0 Unchecked, 26.8s Time] [2024-11-09 05:21:40,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6573 states. [2024-11-09 05:21:41,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6573 to 6571. [2024-11-09 05:21:41,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6571 states, 3969 states have (on average 1.2650541698160747) internal successors, (5021), 4034 states have internal predecessors, (5021), 2275 states have call successors, (2275), 326 states have call predecessors, (2275), 325 states have return successors, (2272), 2254 states have call predecessors, (2272), 2272 states have call successors, (2272) [2024-11-09 05:21:41,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6571 states to 6571 states and 9568 transitions. [2024-11-09 05:21:41,489 INFO L78 Accepts]: Start accepts. Automaton has 6571 states and 9568 transitions. Word has length 193 [2024-11-09 05:21:41,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:21:41,494 INFO L471 AbstractCegarLoop]: Abstraction has 6571 states and 9568 transitions. [2024-11-09 05:21:41,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2024-11-09 05:21:41,494 INFO L276 IsEmpty]: Start isEmpty. Operand 6571 states and 9568 transitions. [2024-11-09 05:21:41,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-09 05:21:41,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:21:41,514 INFO L215 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] [2024-11-09 05:21:41,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:21:41,515 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:21:41,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:21:41,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1595832827, now seen corresponding path program 1 times [2024-11-09 05:21:41,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:21:41,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772472254] [2024-11-09 05:21:41,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:21:41,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:21:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:21:57,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2024-11-09 05:21:57,702 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:21:57,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772472254] [2024-11-09 05:21:57,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772472254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:21:57,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:21:57,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:21:57,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866449454] [2024-11-09 05:21:57,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:21:57,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:21:57,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:21:57,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:21:57,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:21:57,708 INFO L87 Difference]: Start difference. First operand 6571 states and 9568 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) [2024-11-09 05:21:59,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:22:02,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:22:05,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:22:11,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:22:13,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:22:20,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:22:23,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:22:23,217 INFO L93 Difference]: Finished difference Result 15668 states and 22761 transitions. [2024-11-09 05:22:23,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:22:23,218 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 212 [2024-11-09 05:22:23,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:22:23,289 INFO L225 Difference]: With dead ends: 15668 [2024-11-09 05:22:23,290 INFO L226 Difference]: Without dead ends: 9132 [2024-11-09 05:22:23,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:22:23,326 INFO L432 NwaCegarLoop]: 4401 mSDtfsCounter, 4198 mSDsluCounter, 4191 mSDsCounter, 0 mSdLazyCounter, 1286 mSolverCounterSat, 19 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4198 SdHoareTripleChecker+Valid, 8592 SdHoareTripleChecker+Invalid, 1309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1286 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:22:23,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4198 Valid, 8592 Invalid, 1309 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 1286 Invalid, 4 Unknown, 0 Unchecked, 25.0s Time] [2024-11-09 05:22:23,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9132 states. [2024-11-09 05:22:23,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9132 to 9123. [2024-11-09 05:22:23,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9123 states, 5530 states have (on average 1.2620253164556963) internal successors, (6979), 5616 states have internal predecessors, (6979), 3115 states have call successors, (3115), 478 states have call predecessors, (3115), 476 states have return successors, (3112), 3082 states have call predecessors, (3112), 3112 states have call successors, (3112) [2024-11-09 05:22:23,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9123 states to 9123 states and 13206 transitions. [2024-11-09 05:22:23,996 INFO L78 Accepts]: Start accepts. Automaton has 9123 states and 13206 transitions. Word has length 212 [2024-11-09 05:22:23,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:22:23,999 INFO L471 AbstractCegarLoop]: Abstraction has 9123 states and 13206 transitions. [2024-11-09 05:22:23,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2024-11-09 05:22:23,999 INFO L276 IsEmpty]: Start isEmpty. Operand 9123 states and 13206 transitions. [2024-11-09 05:22:24,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-09 05:22:24,006 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:22:24,009 INFO L215 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:22:24,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:22:24,009 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:22:24,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:22:24,012 INFO L85 PathProgramCache]: Analyzing trace with hash -2145480789, now seen corresponding path program 1 times [2024-11-09 05:22:24,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:22:24,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929133147] [2024-11-09 05:22:24,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:22:24,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:22:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:22:39,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2024-11-09 05:22:39,021 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:22:39,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929133147] [2024-11-09 05:22:39,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929133147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:22:39,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:22:39,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:22:39,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145768727] [2024-11-09 05:22:39,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:22:39,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:22:39,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:22:39,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:22:39,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:22:39,026 INFO L87 Difference]: Start difference. First operand 9123 states and 13206 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-09 05:22:41,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:22:43,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:22:46,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:22:52,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:22:54,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:23:02,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:23:02,479 INFO L93 Difference]: Finished difference Result 24262 states and 35132 transitions. [2024-11-09 05:23:02,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:23:02,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 221 [2024-11-09 05:23:02,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:23:02,611 INFO L225 Difference]: With dead ends: 24262 [2024-11-09 05:23:02,611 INFO L226 Difference]: Without dead ends: 15174 [2024-11-09 05:23:02,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:23:02,668 INFO L432 NwaCegarLoop]: 4245 mSDtfsCounter, 4693 mSDsluCounter, 4214 mSDsCounter, 0 mSdLazyCounter, 1244 mSolverCounterSat, 13 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4693 SdHoareTripleChecker+Valid, 8459 SdHoareTripleChecker+Invalid, 1262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1244 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:23:02,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4693 Valid, 8459 Invalid, 1262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1244 Invalid, 5 Unknown, 0 Unchecked, 22.9s Time] [2024-11-09 05:23:02,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15174 states. [2024-11-09 05:23:03,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15174 to 15161. [2024-11-09 05:23:03,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15161 states, 9190 states have (on average 1.2602829162132754) internal successors, (11582), 9342 states have internal predecessors, (11582), 5179 states have call successors, (5179), 793 states have call predecessors, (5179), 790 states have return successors, (5176), 5117 states have call predecessors, (5176), 5176 states have call successors, (5176) [2024-11-09 05:23:03,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15161 states to 15161 states and 21937 transitions. [2024-11-09 05:23:03,818 INFO L78 Accepts]: Start accepts. Automaton has 15161 states and 21937 transitions. Word has length 221 [2024-11-09 05:23:03,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:23:03,819 INFO L471 AbstractCegarLoop]: Abstraction has 15161 states and 21937 transitions. [2024-11-09 05:23:03,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-09 05:23:03,819 INFO L276 IsEmpty]: Start isEmpty. Operand 15161 states and 21937 transitions. [2024-11-09 05:23:03,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-11-09 05:23:03,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:23:03,831 INFO L215 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:23:03,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:23:03,832 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:23:03,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:23:03,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1515611533, now seen corresponding path program 1 times [2024-11-09 05:23:03,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:23:03,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305021646] [2024-11-09 05:23:03,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:23:03,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:23:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:23:18,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1271 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1271 trivial. 0 not checked. [2024-11-09 05:23:18,136 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:23:18,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305021646] [2024-11-09 05:23:18,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305021646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:23:18,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:23:18,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:23:18,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278780471] [2024-11-09 05:23:18,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:23:18,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:23:18,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:23:18,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:23:18,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:23:18,139 INFO L87 Difference]: Start difference. First operand 15161 states and 21937 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-09 05:23:20,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:23:22,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:23:26,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:23:28,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:23:38,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:23:38,825 INFO L93 Difference]: Finished difference Result 15161 states and 21937 transitions. [2024-11-09 05:23:38,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:23:38,826 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 238 [2024-11-09 05:23:38,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:23:38,936 INFO L225 Difference]: With dead ends: 15161 [2024-11-09 05:23:38,936 INFO L226 Difference]: Without dead ends: 15122 [2024-11-09 05:23:38,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:23:38,953 INFO L432 NwaCegarLoop]: 4237 mSDtfsCounter, 4780 mSDsluCounter, 4237 mSDsCounter, 0 mSdLazyCounter, 1209 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4780 SdHoareTripleChecker+Valid, 8474 SdHoareTripleChecker+Invalid, 1213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1209 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:23:38,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4780 Valid, 8474 Invalid, 1213 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1209 Invalid, 4 Unknown, 0 Unchecked, 20.1s Time] [2024-11-09 05:23:38,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15122 states. [2024-11-09 05:23:40,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15122 to 15122. [2024-11-09 05:23:40,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15122 states, 9181 states have (on average 1.259231020585993) internal successors, (11561), 9321 states have internal predecessors, (11561), 5152 states have call successors, (5152), 788 states have call predecessors, (5152), 788 states have return successors, (5152), 5104 states have call predecessors, (5152), 5152 states have call successors, (5152) [2024-11-09 05:23:40,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15122 states to 15122 states and 21865 transitions. [2024-11-09 05:23:40,180 INFO L78 Accepts]: Start accepts. Automaton has 15122 states and 21865 transitions. Word has length 238 [2024-11-09 05:23:40,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:23:40,181 INFO L471 AbstractCegarLoop]: Abstraction has 15122 states and 21865 transitions. [2024-11-09 05:23:40,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-09 05:23:40,181 INFO L276 IsEmpty]: Start isEmpty. Operand 15122 states and 21865 transitions. [2024-11-09 05:23:40,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-09 05:23:40,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:23:40,209 INFO L215 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:23:40,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:23:40,210 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:23:40,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:23:40,210 INFO L85 PathProgramCache]: Analyzing trace with hash 232788861, now seen corresponding path program 1 times [2024-11-09 05:23:40,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:23:40,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768304008] [2024-11-09 05:23:40,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:23:40,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:23:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:23:54,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1266 trivial. 0 not checked. [2024-11-09 05:23:54,225 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:23:54,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768304008] [2024-11-09 05:23:54,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768304008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:23:54,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:23:54,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:23:54,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925572532] [2024-11-09 05:23:54,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:23:54,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:23:54,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:23:54,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:23:54,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:23:54,229 INFO L87 Difference]: Start difference. First operand 15122 states and 21865 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-09 05:23:56,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:23:58,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:24:03,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:24:05,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:24:11,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:24:22,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:24:22,882 INFO L93 Difference]: Finished difference Result 33161 states and 47961 transitions. [2024-11-09 05:24:22,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:24:22,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 261 [2024-11-09 05:24:22,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:24:23,022 INFO L225 Difference]: With dead ends: 33161 [2024-11-09 05:24:23,023 INFO L226 Difference]: Without dead ends: 20883 [2024-11-09 05:24:23,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:24:23,095 INFO L432 NwaCegarLoop]: 7758 mSDtfsCounter, 4174 mSDsluCounter, 4169 mSDsCounter, 0 mSdLazyCounter, 1774 mSolverCounterSat, 15 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4174 SdHoareTripleChecker+Valid, 11927 SdHoareTripleChecker+Invalid, 1794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1774 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:24:23,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4174 Valid, 11927 Invalid, 1794 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 1774 Invalid, 5 Unknown, 0 Unchecked, 27.8s Time] [2024-11-09 05:24:23,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20883 states. [2024-11-09 05:24:24,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20883 to 20879. [2024-11-09 05:24:24,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20879 states, 12683 states have (on average 1.2589292754080266) internal successors, (15967), 12875 states have internal predecessors, (15967), 7096 states have call successors, (7096), 1099 states have call predecessors, (7096), 1099 states have return successors, (7096), 7028 states have call predecessors, (7096), 7096 states have call successors, (7096) [2024-11-09 05:24:24,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20879 states to 20879 states and 30159 transitions. [2024-11-09 05:24:24,855 INFO L78 Accepts]: Start accepts. Automaton has 20879 states and 30159 transitions. Word has length 261 [2024-11-09 05:24:24,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:24:24,856 INFO L471 AbstractCegarLoop]: Abstraction has 20879 states and 30159 transitions. [2024-11-09 05:24:24,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-09 05:24:24,857 INFO L276 IsEmpty]: Start isEmpty. Operand 20879 states and 30159 transitions. [2024-11-09 05:24:24,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-09 05:24:24,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:24:24,910 INFO L215 NwaCegarLoop]: trace histogram [22, 17, 17, 17, 17, 17, 17, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:24:24,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:24:24,911 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:24:24,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:24:24,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1053843785, now seen corresponding path program 1 times [2024-11-09 05:24:24,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:24:24,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832889828] [2024-11-09 05:24:24,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:24:24,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:24:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:24:40,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1339 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1332 trivial. 0 not checked. [2024-11-09 05:24:40,005 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:24:40,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832889828] [2024-11-09 05:24:40,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832889828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:24:40,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:24:40,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:24:40,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226132496] [2024-11-09 05:24:40,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:24:40,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:24:40,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:24:40,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:24:40,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:24:40,009 INFO L87 Difference]: Start difference. First operand 20879 states and 30159 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-09 05:24:42,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:24:44,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:24:49,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:24:50,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:24:57,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:25:08,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:25:11,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:25:14,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:25:14,422 INFO L93 Difference]: Finished difference Result 47843 states and 69139 transitions. [2024-11-09 05:25:14,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:25:14,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 282 [2024-11-09 05:25:14,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:25:14,641 INFO L225 Difference]: With dead ends: 47843 [2024-11-09 05:25:14,642 INFO L226 Difference]: Without dead ends: 29808 [2024-11-09 05:25:14,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:25:14,732 INFO L432 NwaCegarLoop]: 8308 mSDtfsCounter, 4670 mSDsluCounter, 4191 mSDsCounter, 0 mSdLazyCounter, 1824 mSolverCounterSat, 9 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4670 SdHoareTripleChecker+Valid, 12499 SdHoareTripleChecker+Invalid, 1839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1824 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:25:14,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4670 Valid, 12499 Invalid, 1839 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1824 Invalid, 6 Unknown, 0 Unchecked, 33.3s Time] [2024-11-09 05:25:14,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29808 states. [2024-11-09 05:25:16,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29808 to 29800. [2024-11-09 05:25:16,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29800 states, 18100 states have (on average 1.2586740331491713) internal successors, (22782), 18379 states have internal predecessors, (22782), 10130 states have call successors, (10130), 1569 states have call predecessors, (10130), 1569 states have return successors, (10130), 10029 states have call predecessors, (10130), 10130 states have call successors, (10130) [2024-11-09 05:25:16,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29800 states to 29800 states and 43042 transitions. [2024-11-09 05:25:16,877 INFO L78 Accepts]: Start accepts. Automaton has 29800 states and 43042 transitions. Word has length 282 [2024-11-09 05:25:16,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:25:16,878 INFO L471 AbstractCegarLoop]: Abstraction has 29800 states and 43042 transitions. [2024-11-09 05:25:16,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-09 05:25:16,878 INFO L276 IsEmpty]: Start isEmpty. Operand 29800 states and 43042 transitions. [2024-11-09 05:25:16,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-09 05:25:16,961 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:25:16,961 INFO L215 NwaCegarLoop]: trace histogram [24, 17, 17, 17, 17, 17, 17, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:25:16,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 05:25:16,962 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:25:16,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:25:16,962 INFO L85 PathProgramCache]: Analyzing trace with hash 286946796, now seen corresponding path program 1 times [2024-11-09 05:25:16,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:25:16,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401941756] [2024-11-09 05:25:16,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:25:16,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:25:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:25:31,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1452 trivial. 0 not checked. [2024-11-09 05:25:31,754 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:25:31,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401941756] [2024-11-09 05:25:31,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401941756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:25:31,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:25:31,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:25:31,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246049986] [2024-11-09 05:25:31,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:25:31,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:25:31,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:25:31,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:25:31,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:25:31,758 INFO L87 Difference]: Start difference. First operand 29800 states and 43042 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-09 05:25:33,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:25:36,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:25:40,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:25:42,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:25:53,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:25:53,555 INFO L93 Difference]: Finished difference Result 29800 states and 43042 transitions. [2024-11-09 05:25:53,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:25:53,556 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 306 [2024-11-09 05:25:53,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:25:53,575 INFO L225 Difference]: With dead ends: 29800 [2024-11-09 05:25:53,575 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 05:25:53,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:25:53,649 INFO L432 NwaCegarLoop]: 4216 mSDtfsCounter, 4728 mSDsluCounter, 4215 mSDsCounter, 0 mSdLazyCounter, 1206 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4728 SdHoareTripleChecker+Valid, 8431 SdHoareTripleChecker+Invalid, 1210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1206 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:25:53,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4728 Valid, 8431 Invalid, 1210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1206 Invalid, 4 Unknown, 0 Unchecked, 21.0s Time] [2024-11-09 05:25:53,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 05:25:53,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 05:25:53,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:25:53,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 05:25:53,672 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 306 [2024-11-09 05:25:53,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:25:53,673 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 05:25:53,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-09 05:25:53,673 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 05:25:53,673 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 05:25:53,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-11-09 05:25:53,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-09 05:25:53,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 05:25:53,679 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:25:53,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.