./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcdfbcb-50b4-4653-a580-f930aabf684f/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcdfbcb-50b4-4653-a580-f930aabf684f/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcdfbcb-50b4-4653-a580-f930aabf684f/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcdfbcb-50b4-4653-a580-f930aabf684f/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcdfbcb-50b4-4653-a580-f930aabf684f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcdfbcb-50b4-4653-a580-f930aabf684f/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a82ce6420bb3a33f545de9c61d1c9b088648b3b20e86d3c3faffeeee8d72c08d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:03:07,145 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:03:07,238 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcdfbcb-50b4-4653-a580-f930aabf684f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-25 00:03:07,246 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:03:07,247 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:03:07,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:03:07,300 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:03:07,302 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:03:07,303 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:03:07,310 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:03:07,311 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:03:07,312 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:03:07,313 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:03:07,315 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:03:07,316 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:03:07,317 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:03:07,317 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:03:07,318 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:03:07,319 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:03:07,320 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:03:07,320 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:03:07,321 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:03:07,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:03:07,324 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:03:07,325 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:03:07,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:03:07,326 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:03:07,327 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:03:07,327 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:03:07,328 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:03:07,330 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:03:07,331 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:03:07,331 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:03:07,331 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:03:07,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:03:07,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:03:07,333 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:03:07,333 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:03:07,333 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:03:07,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:03:07,334 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:03:07,335 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:03:07,335 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:03:07,335 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:03:07,336 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_cdcdfbcb-50b4-4653-a580-f930aabf684f/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcdfbcb-50b4-4653-a580-f930aabf684f/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a82ce6420bb3a33f545de9c61d1c9b088648b3b20e86d3c3faffeeee8d72c08d [2023-11-25 00:03:07,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:03:07,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:03:07,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:03:07,743 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:03:07,745 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:03:07,747 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcdfbcb-50b4-4653-a580-f930aabf684f/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2023-11-25 00:03:11,433 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:03:12,165 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:03:12,166 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcdfbcb-50b4-4653-a580-f930aabf684f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2023-11-25 00:03:12,247 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcdfbcb-50b4-4653-a580-f930aabf684f/bin/utaipan-verify-SwPr7d2a91/data/a173b3d16/704b91dbb4ba4117a5dfa8563ff25c5d/FLAG3e0149697 [2023-11-25 00:03:12,270 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcdfbcb-50b4-4653-a580-f930aabf684f/bin/utaipan-verify-SwPr7d2a91/data/a173b3d16/704b91dbb4ba4117a5dfa8563ff25c5d [2023-11-25 00:03:12,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:03:12,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:03:12,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:03:12,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:03:12,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:03:12,291 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:03:12" (1/1) ... [2023-11-25 00:03:12,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64430946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:12, skipping insertion in model container [2023-11-25 00:03:12,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:03:12" (1/1) ... [2023-11-25 00:03:12,591 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:03:16,251 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcdfbcb-50b4-4653-a580-f930aabf684f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342349,342362] [2023-11-25 00:03:16,256 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcdfbcb-50b4-4653-a580-f930aabf684f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342494,342507] [2023-11-25 00:03:16,306 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:03:16,383 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:03:16,599 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"); [5426] [2023-11-25 00:03:16,602 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)); [5433] [2023-11-25 00:03:16,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5440] [2023-11-25 00:03:16,610 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/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5497-5498] [2023-11-25 00:03:16,611 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"); [5503-5505] [2023-11-25 00:03:16,615 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)); [5607] [2023-11-25 00:03:16,623 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)); [5671-5672] [2023-11-25 00:03:16,626 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)); [5705-5706] [2023-11-25 00:03:16,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [5742-5743] [2023-11-25 00:03:16,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [5779-5780] [2023-11-25 00:03:16,660 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)); [6093-6094] [2023-11-25 00:03:16,661 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6100] [2023-11-25 00:03:16,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6731] [2023-11-25 00:03:16,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6816] [2023-11-25 00:03:16,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6935] [2023-11-25 00:03:16,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6980] [2023-11-25 00:03:16,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7061] [2023-11-25 00:03:16,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7159] [2023-11-25 00:03:16,730 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7309] [2023-11-25 00:03:16,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7344] [2023-11-25 00:03:16,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7674] [2023-11-25 00:03:16,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8105] [2023-11-25 00:03:16,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8132] [2023-11-25 00:03:16,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8170] [2023-11-25 00:03:16,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8319] [2023-11-25 00:03:16,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8681] [2023-11-25 00:03:16,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8756] [2023-11-25 00:03:16,995 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcdfbcb-50b4-4653-a580-f930aabf684f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342349,342362] [2023-11-25 00:03:16,996 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcdfbcb-50b4-4653-a580-f930aabf684f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342494,342507] [2023-11-25 00:03:17,004 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:03:17,266 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:03:17,273 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:03:17,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:17 WrapperNode [2023-11-25 00:03:17,274 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:03:17,275 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:03:17,275 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:03:17,275 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:03:17,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:17" (1/1) ... [2023-11-25 00:03:17,475 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:17" (1/1) ... [2023-11-25 00:03:17,759 INFO L138 Inliner]: procedures = 455, calls = 2277, calls flagged for inlining = 223, calls inlined = 189, statements flattened = 5723 [2023-11-25 00:03:17,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:03:17,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:03:17,761 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:03:17,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:03:17,773 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:17" (1/1) ... [2023-11-25 00:03:17,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:17" (1/1) ... [2023-11-25 00:03:17,808 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:17" (1/1) ... [2023-11-25 00:03:17,808 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:17" (1/1) ... [2023-11-25 00:03:17,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:17" (1/1) ... [2023-11-25 00:03:18,055 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:17" (1/1) ... [2023-11-25 00:03:18,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:17" (1/1) ... [2023-11-25 00:03:18,130 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:17" (1/1) ... [2023-11-25 00:03:18,192 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:03:18,193 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:03:18,193 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:03:18,194 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:03:18,195 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:17" (1/1) ... [2023-11-25 00:03:18,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:03:18,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcdfbcb-50b4-4653-a580-f930aabf684f/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:03:18,230 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcdfbcb-50b4-4653-a580-f930aabf684f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:03:18,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcdfbcb-50b4-4653-a580-f930aabf684f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:03:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-25 00:03:18,270 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-25 00:03:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-25 00:03:18,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-25 00:03:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-25 00:03:18,271 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-25 00:03:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-25 00:03:18,271 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-25 00:03:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-25 00:03:18,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-25 00:03:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-25 00:03:18,272 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-25 00:03:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wakeup [2023-11-25 00:03:18,272 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wakeup [2023-11-25 00:03:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wait_status [2023-11-25 00:03:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wait_status [2023-11-25 00:03:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_set_rx_mode [2023-11-25 00:03:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_set_rx_mode [2023-11-25 00:03:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-25 00:03:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-25 00:03:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-25 00:03:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-25 00:03:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-25 00:03:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-25 00:03:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-25 00:03:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-25 00:03:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-25 00:03:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-25 00:03:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-25 00:03:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-25 00:03:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-25 00:03:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-25 00:03:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-25 00:03:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-25 00:03:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-25 00:03:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-25 00:03:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-25 00:03:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-25 00:03:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-25 00:03:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-25 00:03:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-25 00:03:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-25 00:03:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-25 00:03:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-25 00:03:18,277 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-25 00:03:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:03:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_clean_tx [2023-11-25 00:03:18,277 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_clean_tx [2023-11-25 00:03:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_stop_runtime [2023-11-25 00:03:18,277 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_stop_runtime [2023-11-25 00:03:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-25 00:03:18,278 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-25 00:03:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-25 00:03:18,278 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-25 00:03:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_resume [2023-11-25 00:03:18,278 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_resume [2023-11-25 00:03:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_rxfree_index [2023-11-25 00:03:18,279 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_rxfree_index [2023-11-25 00:03:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-25 00:03:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_remove_one [2023-11-25 00:03:18,279 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_remove_one [2023-11-25 00:03:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-25 00:03:18,279 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-25 00:03:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-25 00:03:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-25 00:03:18,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-25 00:03:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:03:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-25 00:03:18,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-25 00:03:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-25 00:03:18,280 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-25 00:03:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-25 00:03:18,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-25 00:03:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-25 00:03:18,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-25 00:03:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-25 00:03:18,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-25 00:03:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-25 00:03:18,281 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-25 00:03:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-25 00:03:18,281 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-25 00:03:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-25 00:03:18,282 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-25 00:03:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_close [2023-11-25 00:03:18,282 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_close [2023-11-25 00:03:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_tx_timeout [2023-11-25 00:03:18,282 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_tx_timeout [2023-11-25 00:03:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_alloc_rx_skb [2023-11-25 00:03:18,282 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_alloc_rx_skb [2023-11-25 00:03:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_issue_command [2023-11-25 00:03:18,283 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_issue_command [2023-11-25 00:03:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:03:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-25 00:03:18,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-25 00:03:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-25 00:03:18,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-25 00:03:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:03:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_process_response [2023-11-25 00:03:18,284 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_process_response [2023-11-25 00:03:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-25 00:03:18,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-25 00:03:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-25 00:03:18,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-25 00:03:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:03:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:03:18,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:03:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-25 00:03:18,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-25 00:03:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-25 00:03:18,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-25 00:03:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2023-11-25 00:03:18,285 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2023-11-25 00:03:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_num_free_tx [2023-11-25 00:03:18,285 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_num_free_tx [2023-11-25 00:03:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-25 00:03:18,286 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-25 00:03:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_reset [2023-11-25 00:03:18,286 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_reset [2023-11-25 00:03:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-25 00:03:18,286 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-25 00:03:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-25 00:03:18,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-25 00:03:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_cmd_index [2023-11-25 00:03:18,287 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_cmd_index [2023-11-25 00:03:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-25 00:03:18,287 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-25 00:03:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_fill_free_ring [2023-11-25 00:03:18,288 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_fill_free_ring [2023-11-25 00:03:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:03:18,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:03:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-25 00:03:18,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-25 00:03:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-25 00:03:18,288 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-25 00:03:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-25 00:03:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-25 00:03:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-25 00:03:18,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-25 00:03:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-25 00:03:18,289 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-25 00:03:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-25 00:03:18,290 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-25 00:03:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-25 00:03:18,290 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-25 00:03:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-25 00:03:18,290 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-25 00:03:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-25 00:03:18,291 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-25 00:03:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wait_interrupt [2023-11-25 00:03:18,291 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wait_interrupt [2023-11-25 00:03:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:03:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-25 00:03:18,291 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-25 00:03:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:03:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2023-11-25 00:03:18,292 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2023-11-25 00:03:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:03:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-25 00:03:18,292 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-25 00:03:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-25 00:03:18,293 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-25 00:03:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_boot_3XP [2023-11-25 00:03:18,293 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_boot_3XP [2023-11-25 00:03:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-25 00:03:18,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-25 00:03:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-25 00:03:18,293 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-25 00:03:18,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-25 00:03:18,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-25 00:03:18,294 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-11-25 00:03:18,294 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-11-25 00:03:18,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-25 00:03:18,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-25 00:03:18,295 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-11-25 00:03:18,295 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-11-25 00:03:18,295 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-25 00:03:18,295 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-25 00:03:18,295 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-25 00:03:18,295 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-25 00:03:18,295 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_free_rx_rings [2023-11-25 00:03:18,296 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_free_rx_rings [2023-11-25 00:03:18,296 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-25 00:03:18,296 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-25 00:03:18,296 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_do_get_stats [2023-11-25 00:03:18,296 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_do_get_stats [2023-11-25 00:03:18,296 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_num_free [2023-11-25 00:03:18,296 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_num_free [2023-11-25 00:03:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_sleep [2023-11-25 00:03:18,297 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_sleep [2023-11-25 00:03:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:03:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-25 00:03:18,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-25 00:03:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2023-11-25 00:03:18,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2023-11-25 00:03:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_init_rings [2023-11-25 00:03:18,298 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_init_rings [2023-11-25 00:03:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-25 00:03:18,298 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-25 00:03:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_open [2023-11-25 00:03:18,298 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_open [2023-11-25 00:03:18,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-25 00:03:18,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-25 00:03:18,299 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_start_runtime [2023-11-25 00:03:18,299 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_start_runtime [2023-11-25 00:03:18,299 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-25 00:03:18,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-25 00:03:18,299 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-25 00:03:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-25 00:03:18,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:03:18,300 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_index [2023-11-25 00:03:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_index [2023-11-25 00:03:18,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-25 00:03:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-25 00:03:19,395 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:03:19,420 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:03:19,580 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-25 00:03:28,597 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-25 00:03:28,807 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:03:31,289 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:03:31,290 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:03:31,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:03:31 BoogieIcfgContainer [2023-11-25 00:03:31,292 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:03:31,297 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:03:31,297 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:03:31,300 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:03:31,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:03:12" (1/3) ... [2023-11-25 00:03:31,302 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39096e76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:03:31, skipping insertion in model container [2023-11-25 00:03:31,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:17" (2/3) ... [2023-11-25 00:03:31,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39096e76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:03:31, skipping insertion in model container [2023-11-25 00:03:31,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:03:31" (3/3) ... [2023-11-25 00:03:31,308 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2023-11-25 00:03:31,330 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:03:31,330 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:03:31,436 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:03:31,446 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3e50bec5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:03:31,446 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:03:31,459 INFO L276 IsEmpty]: Start isEmpty. Operand has 1456 states, 841 states have (on average 1.2829964328180736) internal successors, (1079), 861 states have internal predecessors, (1079), 517 states have call successors, (517), 98 states have call predecessors, (517), 97 states have return successors, (512), 506 states have call predecessors, (512), 512 states have call successors, (512) [2023-11-25 00:03:31,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-25 00:03:31,528 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:03:31,529 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:03:31,530 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:03:31,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:03:31,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1693077827, now seen corresponding path program 1 times [2023-11-25 00:03:31,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:03:31,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581983526] [2023-11-25 00:03:31,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:03:31,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:03:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:03:32,797 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-25 00:03:32,797 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:03:32,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581983526] [2023-11-25 00:03:32,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581983526] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:03:32,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:03:32,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:03:32,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845273559] [2023-11-25 00:03:32,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:03:32,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:03:32,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:03:32,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:03:32,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:03:32,899 INFO L87 Difference]: Start difference. First operand has 1456 states, 841 states have (on average 1.2829964328180736) internal successors, (1079), 861 states have internal predecessors, (1079), 517 states have call successors, (517), 98 states have call predecessors, (517), 97 states have return successors, (512), 506 states have call predecessors, (512), 512 states have call successors, (512) Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-25 00:03:36,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:03:39,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:03:41,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:03:43,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:03:45,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:03:46,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:03:46,160 INFO L93 Difference]: Finished difference Result 3769 states and 5467 transitions. [2023-11-25 00:03:46,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:03:46,164 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 164 [2023-11-25 00:03:46,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:03:46,211 INFO L225 Difference]: With dead ends: 3769 [2023-11-25 00:03:46,212 INFO L226 Difference]: Without dead ends: 2249 [2023-11-25 00:03:46,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:03:46,233 INFO L413 NwaCegarLoop]: 1883 mSDtfsCounter, 1238 mSDsluCounter, 1809 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 17 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1238 SdHoareTripleChecker+Valid, 3692 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2023-11-25 00:03:46,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1238 Valid, 3692 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 568 Invalid, 4 Unknown, 0 Unchecked, 12.9s Time] [2023-11-25 00:03:46,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2249 states. [2023-11-25 00:03:46,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2249 to 2246. [2023-11-25 00:03:46,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2246 states, 1320 states have (on average 1.2818181818181817) internal successors, (1692), 1349 states have internal predecessors, (1692), 763 states have call successors, (763), 162 states have call predecessors, (763), 162 states have return successors, (763), 754 states have call predecessors, (763), 763 states have call successors, (763) [2023-11-25 00:03:46,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2246 states to 2246 states and 3218 transitions. [2023-11-25 00:03:46,505 INFO L78 Accepts]: Start accepts. Automaton has 2246 states and 3218 transitions. Word has length 164 [2023-11-25 00:03:46,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:03:46,506 INFO L495 AbstractCegarLoop]: Abstraction has 2246 states and 3218 transitions. [2023-11-25 00:03:46,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-25 00:03:46,507 INFO L276 IsEmpty]: Start isEmpty. Operand 2246 states and 3218 transitions. [2023-11-25 00:03:46,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-11-25 00:03:46,526 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:03:46,527 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 6, 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] [2023-11-25 00:03:46,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:03:46,528 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:03:46,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:03:46,529 INFO L85 PathProgramCache]: Analyzing trace with hash -885732240, now seen corresponding path program 1 times [2023-11-25 00:03:46,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:03:46,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964601669] [2023-11-25 00:03:46,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:03:46,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:03:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:03:47,075 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2023-11-25 00:03:47,075 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:03:47,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964601669] [2023-11-25 00:03:47,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964601669] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:03:47,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:03:47,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:03:47,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843450195] [2023-11-25 00:03:47,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:03:47,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:03:47,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:03:47,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:03:47,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:03:47,082 INFO L87 Difference]: Start difference. First operand 2246 states and 3218 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-25 00:03:49,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:03:51,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:03:55,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:03:57,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:04:00,058 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 []