./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-fealnx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84637c3a-2bc0-42bb-9a20-c010cd05cac9/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84637c3a-2bc0-42bb-9a20-c010cd05cac9/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84637c3a-2bc0-42bb-9a20-c010cd05cac9/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84637c3a-2bc0-42bb-9a20-c010cd05cac9/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84637c3a-2bc0-42bb-9a20-c010cd05cac9/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84637c3a-2bc0-42bb-9a20-c010cd05cac9/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a3968cfb5889c9f3d7db25b50a6978e9654cfd81b83e3cceec28f5c030877771 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:15:09,332 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:15:09,413 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84637c3a-2bc0-42bb-9a20-c010cd05cac9/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:15:09,418 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:15:09,419 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:15:09,446 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:15:09,447 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:15:09,448 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:15:09,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:15:09,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:15:09,450 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:15:09,450 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:15:09,451 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:15:09,451 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:15:09,452 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:15:09,453 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:15:09,453 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:15:09,454 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:15:09,454 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:15:09,455 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:15:09,456 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:15:09,456 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:15:09,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:15:09,458 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:15:09,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:15:09,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:15:09,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:15:09,460 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:15:09,460 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:15:09,461 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:15:09,461 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:15:09,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:15:09,462 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:15:09,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:15:09,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:15:09,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:15:09,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:15:09,464 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:15:09,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:15:09,465 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:15:09,465 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:15:09,466 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:15:09,466 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_84637c3a-2bc0-42bb-9a20-c010cd05cac9/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84637c3a-2bc0-42bb-9a20-c010cd05cac9/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3968cfb5889c9f3d7db25b50a6978e9654cfd81b83e3cceec28f5c030877771 [2023-11-19 05:15:09,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:15:09,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:15:09,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:15:09,762 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:15:09,764 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:15:09,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84637c3a-2bc0-42bb-9a20-c010cd05cac9/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2023-11-19 05:15:13,078 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:15:13,790 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:15:13,791 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84637c3a-2bc0-42bb-9a20-c010cd05cac9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2023-11-19 05:15:13,837 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84637c3a-2bc0-42bb-9a20-c010cd05cac9/bin/utaipan-verify-t7M7D8N6sZ/data/935c2f611/eba57268be804f088463fd4233e1bcbe/FLAG3134678c5 [2023-11-19 05:15:13,856 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84637c3a-2bc0-42bb-9a20-c010cd05cac9/bin/utaipan-verify-t7M7D8N6sZ/data/935c2f611/eba57268be804f088463fd4233e1bcbe [2023-11-19 05:15:13,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:15:13,866 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:15:13,869 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:15:13,869 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:15:13,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:15:13,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:13" (1/1) ... [2023-11-19 05:15:13,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51299310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:13, skipping insertion in model container [2023-11-19 05:15:13,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:13" (1/1) ... [2023-11-19 05:15:14,066 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:15:17,343 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_84637c3a-2bc0-42bb-9a20-c010cd05cac9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320486,320499] [2023-11-19 05:15:17,349 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_84637c3a-2bc0-42bb-9a20-c010cd05cac9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320631,320644] [2023-11-19 05:15:17,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:15:17,461 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:15:17,632 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"); [5254] [2023-11-19 05:15:17,635 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)); [5261] [2023-11-19 05:15:17,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5268] [2023-11-19 05:15:17,637 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)); [5307-5308] [2023-11-19 05:15:17,638 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"); [5313-5315] [2023-11-19 05:15:17,649 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)); [5512-5513] [2023-11-19 05:15:17,655 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)); [5546-5547] [2023-11-19 05:15:17,658 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)); [5583-5584] [2023-11-19 05:15:17,659 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)); [5620-5621] [2023-11-19 05:15:17,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7060] [2023-11-19 05:15:17,986 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_84637c3a-2bc0-42bb-9a20-c010cd05cac9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320486,320499] [2023-11-19 05:15:17,987 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_84637c3a-2bc0-42bb-9a20-c010cd05cac9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320631,320644] [2023-11-19 05:15:17,995 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:15:18,234 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:15:18,243 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:15:18,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:18 WrapperNode [2023-11-19 05:15:18,244 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:15:18,245 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:15:18,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:15:18,246 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:15:18,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:18" (1/1) ... [2023-11-19 05:15:18,430 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:18" (1/1) ... [2023-11-19 05:15:18,670 INFO L138 Inliner]: procedures = 433, calls = 1909, calls flagged for inlining = 216, calls inlined = 200, statements flattened = 4907 [2023-11-19 05:15:18,671 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:15:18,672 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:15:18,672 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:15:18,672 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:15:18,683 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:18" (1/1) ... [2023-11-19 05:15:18,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:18" (1/1) ... [2023-11-19 05:15:18,746 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:18" (1/1) ... [2023-11-19 05:15:18,747 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:18" (1/1) ... [2023-11-19 05:15:18,893 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:18" (1/1) ... [2023-11-19 05:15:18,927 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:18" (1/1) ... [2023-11-19 05:15:18,960 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:18" (1/1) ... [2023-11-19 05:15:18,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:18" (1/1) ... [2023-11-19 05:15:19,030 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:15:19,032 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:15:19,032 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:15:19,032 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:15:19,033 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:18" (1/1) ... [2023-11-19 05:15:19,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:15:19,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84637c3a-2bc0-42bb-9a20-c010cd05cac9/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:15:19,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84637c3a-2bc0-42bb-9a20-c010cd05cac9/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:15:19,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84637c3a-2bc0-42bb-9a20-c010cd05cac9/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:15:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_90 [2023-11-19 05:15:19,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_90 [2023-11-19 05:15:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure getlinkstatus [2023-11-19 05:15:19,126 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinkstatus [2023-11-19 05:15:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-19 05:15:19,126 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-19 05:15:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 05:15:19,127 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 05:15:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 05:15:19,128 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 05:15:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-19 05:15:19,128 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-19 05:15:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 05:15:19,129 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 05:15:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:15:19,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:15:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 05:15:19,131 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 05:15:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-19 05:15:19,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-19 05:15:19,134 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 05:15:19,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 05:15:19,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 05:15:19,134 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 05:15:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 05:15:19,135 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-19 05:15:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-19 05:15:19,135 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_tx_timeout [2023-11-19 05:15:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_tx_timeout [2023-11-19 05:15:19,136 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 05:15:19,136 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 05:15:19,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 05:15:19,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 05:15:19,136 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 05:15:19,136 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 05:15:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2023-11-19 05:15:19,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2023-11-19 05:15:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure getlinktype [2023-11-19 05:15:19,137 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinktype [2023-11-19 05:15:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 05:15:19,138 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 05:15:19,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:15:19,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-19 05:15:19,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-19 05:15:19,138 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 05:15:19,139 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 05:15:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:15:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rx_descriptors [2023-11-19 05:15:19,140 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rx_descriptors [2023-11-19 05:15:19,140 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 05:15:19,140 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 05:15:19,141 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_remove_one [2023-11-19 05:15:19,142 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_remove_one [2023-11-19 05:15:19,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:15:19,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 05:15:19,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 05:15:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-19 05:15:19,143 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-19 05:15:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:15:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-19 05:15:19,147 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-19 05:15:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 05:15:19,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 05:15:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 05:15:19,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 05:15:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 05:15:19,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 05:15:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 05:15:19,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 05:15:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 05:15:19,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 05:15:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 05:15:19,150 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 05:15:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:15:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 05:15:19,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 05:15:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 05:15:19,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 05:15:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:15:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2023-11-19 05:15:19,152 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2023-11-19 05:15:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 05:15:19,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 05:15:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 05:15:19,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 05:15:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:15:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:15:19,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:15:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 05:15:19,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 05:15:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-19 05:15:19,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-19 05:15:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-19 05:15:19,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-19 05:15:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 05:15:19,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 05:15:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-19 05:15:19,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-19 05:15:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 05:15:19,155 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 05:15:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 05:15:19,155 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 05:15:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 05:15:19,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 05:15:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_102 [2023-11-19 05:15:19,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_102 [2023-11-19 05:15:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rx [2023-11-19 05:15:19,157 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rx [2023-11-19 05:15:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-19 05:15:19,157 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-19 05:15:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:15:19,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:15:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:15:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:15:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:15:19,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:15:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2023-11-19 05:15:19,158 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2023-11-19 05:15:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 05:15:19,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 05:15:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2023-11-19 05:15:19,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2023-11-19 05:15:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure enable_rxtx [2023-11-19 05:15:19,159 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_rxtx [2023-11-19 05:15:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 05:15:19,218 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 05:15:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:15:19,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:15:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 05:15:19,219 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 05:15:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-19 05:15:19,219 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-19 05:15:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 05:15:19,219 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 05:15:19,220 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-19 05:15:19,220 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-19 05:15:19,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:15:19,220 INFO L130 BoogieDeclarations]: Found specification of procedure reset_and_disable_rxtx [2023-11-19 05:15:19,220 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_and_disable_rxtx [2023-11-19 05:15:19,220 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 05:15:19,220 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 05:15:19,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:15:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-19 05:15:19,221 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-19 05:15:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:15:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:15:19,221 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:15:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-19 05:15:19,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-19 05:15:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 05:15:19,222 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 05:15:19,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2023-11-19 05:15:19,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2023-11-19 05:15:19,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 05:15:19,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 05:15:19,222 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2023-11-19 05:15:19,222 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2023-11-19 05:15:19,223 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-19 05:15:19,223 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-19 05:15:19,223 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 05:15:19,223 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 05:15:19,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_101 [2023-11-19 05:15:19,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_101 [2023-11-19 05:15:19,223 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-19 05:15:19,223 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-19 05:15:19,224 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rxtx [2023-11-19 05:15:19,224 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rxtx [2023-11-19 05:15:19,224 INFO L130 BoogieDeclarations]: Found specification of procedure m80x_send_cmd_to_phy [2023-11-19 05:15:19,224 INFO L138 BoogieDeclarations]: Found implementation of procedure m80x_send_cmd_to_phy [2023-11-19 05:15:19,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:15:19,224 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffers [2023-11-19 05:15:19,224 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffers [2023-11-19 05:15:19,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:15:19,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:15:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 05:15:19,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 05:15:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-19 05:15:19,225 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-19 05:15:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-19 05:15:19,225 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-19 05:15:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:15:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 05:15:19,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 05:15:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2023-11-19 05:15:19,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2023-11-19 05:15:20,162 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:15:20,174 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:15:21,141 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:15:24,474 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 05:15:24,576 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:15:27,852 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:15:27,853 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 05:15:27,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:15:27 BoogieIcfgContainer [2023-11-19 05:15:27,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:15:27,870 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:15:27,870 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:15:27,874 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:15:27,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:15:13" (1/3) ... [2023-11-19 05:15:27,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7240fdec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:15:27, skipping insertion in model container [2023-11-19 05:15:27,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:18" (2/3) ... [2023-11-19 05:15:27,876 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7240fdec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:15:27, skipping insertion in model container [2023-11-19 05:15:27,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:15:27" (3/3) ... [2023-11-19 05:15:27,878 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2023-11-19 05:15:27,902 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:15:27,902 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:15:28,010 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:15:28,020 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;@6d6bc4ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:15:28,020 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:15:28,035 INFO L276 IsEmpty]: Start isEmpty. Operand has 1179 states, 682 states have (on average 1.2888563049853372) internal successors, (879), 700 states have internal predecessors, (879), 413 states have call successors, (413), 84 states have call predecessors, (413), 83 states have return successors, (407), 404 states have call predecessors, (407), 407 states have call successors, (407) [2023-11-19 05:15:28,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-19 05:15:28,104 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:15:28,106 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 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] [2023-11-19 05:15:28,107 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:15:28,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:15:28,114 INFO L85 PathProgramCache]: Analyzing trace with hash 836191482, now seen corresponding path program 1 times [2023-11-19 05:15:28,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:15:28,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165983368] [2023-11-19 05:15:28,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:15:28,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:15:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:15:29,079 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2023-11-19 05:15:29,079 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:15:29,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165983368] [2023-11-19 05:15:29,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165983368] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:15:29,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:15:29,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:15:29,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559046504] [2023-11-19 05:15:29,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:15:29,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:15:29,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:15:29,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:15:29,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:15:29,137 INFO L87 Difference]: Start difference. First operand has 1179 states, 682 states have (on average 1.2888563049853372) internal successors, (879), 700 states have internal predecessors, (879), 413 states have call successors, (413), 84 states have call predecessors, (413), 83 states have return successors, (407), 404 states have call predecessors, (407), 407 states have call successors, (407) Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-19 05:15:31,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:15:34,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:15:36,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:15:38,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:15:38,358 INFO L93 Difference]: Finished difference Result 3400 states and 4941 transitions. [2023-11-19 05:15:38,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:15:38,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 147 [2023-11-19 05:15:38,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:15:38,414 INFO L225 Difference]: With dead ends: 3400 [2023-11-19 05:15:38,415 INFO L226 Difference]: Without dead ends: 2175 [2023-11-19 05:15:38,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:15:38,441 INFO L413 NwaCegarLoop]: 1582 mSDtfsCounter, 1585 mSDsluCounter, 1370 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1585 SdHoareTripleChecker+Valid, 2952 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-11-19 05:15:38,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1585 Valid, 2952 Invalid, 578 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 572 Invalid, 3 Unknown, 0 Unchecked, 8.9s Time] [2023-11-19 05:15:38,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2175 states. [2023-11-19 05:15:38,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2175 to 2171. [2023-11-19 05:15:38,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2171 states, 1285 states have (on average 1.285603112840467) internal successors, (1652), 1321 states have internal predecessors, (1652), 726 states have call successors, (726), 161 states have call predecessors, (726), 159 states have return successors, (731), 715 states have call predecessors, (731), 726 states have call successors, (731) [2023-11-19 05:15:38,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 2171 states and 3109 transitions. [2023-11-19 05:15:38,798 INFO L78 Accepts]: Start accepts. Automaton has 2171 states and 3109 transitions. Word has length 147 [2023-11-19 05:15:38,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:15:38,800 INFO L495 AbstractCegarLoop]: Abstraction has 2171 states and 3109 transitions. [2023-11-19 05:15:38,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-19 05:15:38,800 INFO L276 IsEmpty]: Start isEmpty. Operand 2171 states and 3109 transitions. [2023-11-19 05:15:38,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-19 05:15:38,824 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:15:38,824 INFO L195 NwaCegarLoop]: trace histogram [11, 9, 9, 9, 9, 9, 9, 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] [2023-11-19 05:15:38,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:15:38,825 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:15:38,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:15:38,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1428681434, now seen corresponding path program 1 times [2023-11-19 05:15:38,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:15:38,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084268572] [2023-11-19 05:15:38,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:15:38,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:15:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:15:39,399 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2023-11-19 05:15:39,403 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:15:39,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084268572] [2023-11-19 05:15:39,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084268572] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:15:39,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:15:39,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:15:39,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717801682] [2023-11-19 05:15:39,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:15:39,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:15:39,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:15:39,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:15:39,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:15:39,410 INFO L87 Difference]: Start difference. First operand 2171 states and 3109 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-19 05:15:41,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:15:46,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:15:48,220 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 [] [2023-11-19 05:15:49,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:15:49,403 INFO L93 Difference]: Finished difference Result 5709 states and 8165 transitions. [2023-11-19 05:15:49,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:15:49,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 150 [2023-11-19 05:15:49,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:15:49,443 INFO L225 Difference]: With dead ends: 5709 [2023-11-19 05:15:49,444 INFO L226 Difference]: Without dead ends: 3557 [2023-11-19 05:15:49,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:15:49,462 INFO L413 NwaCegarLoop]: 1365 mSDtfsCounter, 1061 mSDsluCounter, 1322 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 15 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1061 SdHoareTripleChecker+Valid, 2687 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2023-11-19 05:15:49,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1061 Valid, 2687 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 599 Invalid, 3 Unknown, 0 Unchecked, 9.6s Time] [2023-11-19 05:15:49,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3557 states. [2023-11-19 05:15:49,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3557 to 3553. [2023-11-19 05:15:49,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3553 states, 2126 states have (on average 1.2831608654750706) internal successors, (2728), 2181 states have internal predecessors, (2728), 1159 states have call successors, (1159), 269 states have call predecessors, (1159), 267 states have return successors, (1164), 1145 states have call predecessors, (1164), 1159 states have call successors, (1164) [2023-11-19 05:15:49,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3553 states to 3553 states and 5051 transitions. [2023-11-19 05:15:49,821 INFO L78 Accepts]: Start accepts. Automaton has 3553 states and 5051 transitions. Word has length 150 [2023-11-19 05:15:49,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:15:49,822 INFO L495 AbstractCegarLoop]: Abstraction has 3553 states and 5051 transitions. [2023-11-19 05:15:49,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-19 05:15:49,826 INFO L276 IsEmpty]: Start isEmpty. Operand 3553 states and 5051 transitions. [2023-11-19 05:15:49,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 05:15:49,836 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:15:49,836 INFO L195 NwaCegarLoop]: trace histogram [11, 9, 9, 9, 9, 9, 9, 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] [2023-11-19 05:15:49,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:15:49,837 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:15:49,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:15:49,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1245596754, now seen corresponding path program 1 times [2023-11-19 05:15:49,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:15:49,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786672139] [2023-11-19 05:15:49,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:15:49,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:15:49,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:15:50,392 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2023-11-19 05:15:50,392 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:15:50,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786672139] [2023-11-19 05:15:50,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786672139] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:15:50,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:15:50,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:15:50,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414512100] [2023-11-19 05:15:50,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:15:50,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:15:50,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:15:50,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:15:50,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:15:50,397 INFO L87 Difference]: Start difference. First operand 3553 states and 5051 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-19 05:15:52,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:15:54,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:15:57,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:15:59,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:16:01,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:16:01,986 INFO L93 Difference]: Finished difference Result 10615 states and 15087 transitions. [2023-11-19 05:16:01,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:16:01,988 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 165 [2023-11-19 05:16:01,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:16:02,062 INFO L225 Difference]: With dead ends: 10615 [2023-11-19 05:16:02,063 INFO L226 Difference]: Without dead ends: 7081 [2023-11-19 05:16:02,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:16:02,091 INFO L413 NwaCegarLoop]: 1856 mSDtfsCounter, 1587 mSDsluCounter, 1353 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1587 SdHoareTripleChecker+Valid, 3209 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:16:02,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1587 Valid, 3209 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 637 Invalid, 3 Unknown, 0 Unchecked, 11.1s Time] [2023-11-19 05:16:02,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7081 states.