./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-irda-via-ircc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f91d6d5-3cd6-40aa-b2dd-1a54ccc16ca3/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f91d6d5-3cd6-40aa-b2dd-1a54ccc16ca3/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f91d6d5-3cd6-40aa-b2dd-1a54ccc16ca3/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f91d6d5-3cd6-40aa-b2dd-1a54ccc16ca3/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f91d6d5-3cd6-40aa-b2dd-1a54ccc16ca3/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f91d6d5-3cd6-40aa-b2dd-1a54ccc16ca3/bin/utaipan-verify-NcY6lQBIFX --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 c727ee56ff8cf558c3dc08b64ebc267261ea17bdfb88e50734daf71ad89adc7d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:00:07,799 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:00:07,952 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f91d6d5-3cd6-40aa-b2dd-1a54ccc16ca3/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 01:00:07,965 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:00:07,965 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:00:07,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:00:07,992 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:00:07,993 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:00:07,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:00:07,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:00:07,995 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:00:07,995 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:00:07,996 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:00:07,997 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 01:00:07,997 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:00:07,998 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:00:07,998 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 01:00:07,999 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 01:00:08,000 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:00:08,000 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 01:00:08,001 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 01:00:08,006 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 01:00:08,007 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:00:08,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:00:08,008 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 01:00:08,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:00:08,009 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:00:08,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:00:08,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:00:08,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:00:08,011 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:00:08,012 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:00:08,012 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:00:08,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:00:08,013 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:00:08,014 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:00:08,014 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:00:08,015 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 01:00:08,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 01:00:08,016 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:00:08,016 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:00:08,022 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:00:08,023 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_7f91d6d5-3cd6-40aa-b2dd-1a54ccc16ca3/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f91d6d5-3cd6-40aa-b2dd-1a54ccc16ca3/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c727ee56ff8cf558c3dc08b64ebc267261ea17bdfb88e50734daf71ad89adc7d [2023-11-12 01:00:08,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:00:08,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:00:08,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:00:08,438 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:00:08,438 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:00:08,440 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f91d6d5-3cd6-40aa-b2dd-1a54ccc16ca3/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i [2023-11-12 01:00:11,755 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:00:12,566 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:00:12,569 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f91d6d5-3cd6-40aa-b2dd-1a54ccc16ca3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i [2023-11-12 01:00:12,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f91d6d5-3cd6-40aa-b2dd-1a54ccc16ca3/bin/utaipan-verify-NcY6lQBIFX/data/529b394df/baa21b61959a4eaabaceca89011ca480/FLAGe142aba15 [2023-11-12 01:00:12,640 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f91d6d5-3cd6-40aa-b2dd-1a54ccc16ca3/bin/utaipan-verify-NcY6lQBIFX/data/529b394df/baa21b61959a4eaabaceca89011ca480 [2023-11-12 01:00:12,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:00:12,650 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:00:12,651 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:00:12,651 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:00:12,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:00:12,657 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:12" (1/1) ... [2023-11-12 01:00:12,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65f513ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:12, skipping insertion in model container [2023-11-12 01:00:12,658 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:12" (1/1) ... [2023-11-12 01:00:12,866 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:00:15,906 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_7f91d6d5-3cd6-40aa-b2dd-1a54ccc16ca3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[328445,328458] [2023-11-12 01:00:15,911 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_7f91d6d5-3cd6-40aa-b2dd-1a54ccc16ca3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[328590,328603] [2023-11-12 01:00:15,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:00:15,971 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:00:16,149 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"); [5755] [2023-11-12 01:00:16,151 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)); [5762] [2023-11-12 01:00:16,152 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5769] [2023-11-12 01:00:16,153 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)); [5799-5800] [2023-11-12 01:00:16,154 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"); [5805-5807] [2023-11-12 01:00:16,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5876] [2023-11-12 01:00:16,157 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5884] [2023-11-12 01:00:16,494 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_7f91d6d5-3cd6-40aa-b2dd-1a54ccc16ca3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[328445,328458] [2023-11-12 01:00:16,494 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_7f91d6d5-3cd6-40aa-b2dd-1a54ccc16ca3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[328590,328603] [2023-11-12 01:00:16,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:00:16,697 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 01:00:16,705 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:00:16,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:16 WrapperNode [2023-11-12 01:00:16,707 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:00:16,708 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:00:16,708 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:00:16,708 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:00:16,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:16" (1/1) ... [2023-11-12 01:00:16,830 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:16" (1/1) ... [2023-11-12 01:00:17,035 INFO L138 Inliner]: procedures = 388, calls = 2186, calls flagged for inlining = 154, calls inlined = 135, statements flattened = 4881 [2023-11-12 01:00:17,036 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:00:17,037 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:00:17,037 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:00:17,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:00:17,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:16" (1/1) ... [2023-11-12 01:00:17,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:16" (1/1) ... [2023-11-12 01:00:17,123 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:16" (1/1) ... [2023-11-12 01:00:17,124 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:16" (1/1) ... [2023-11-12 01:00:17,333 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:16" (1/1) ... [2023-11-12 01:00:17,371 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:16" (1/1) ... [2023-11-12 01:00:17,407 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:16" (1/1) ... [2023-11-12 01:00:17,431 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:16" (1/1) ... [2023-11-12 01:00:17,494 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:00:17,495 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:00:17,497 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:00:17,498 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:00:17,499 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:16" (1/1) ... [2023-11-12 01:00:17,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:00:17,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f91d6d5-3cd6-40aa-b2dd-1a54ccc16ca3/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:00:17,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f91d6d5-3cd6-40aa-b2dd-1a54ccc16ca3/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:00:17,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f91d6d5-3cd6-40aa-b2dd-1a54ccc16ca3/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:00:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2023-11-12 01:00:17,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2023-11-12 01:00:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 01:00:17,588 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 01:00:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2023-11-12 01:00:17,588 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2023-11-12 01:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2023-11-12 01:00:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2023-11-12 01:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 01:00:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 01:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 01:00:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 01:00:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 01:00:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 01:00:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2023-11-12 01:00:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2023-11-12 01:00:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure via_remove_one [2023-11-12 01:00:17,591 INFO L138 BoogieDeclarations]: Found implementation of procedure via_remove_one [2023-11-12 01:00:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2023-11-12 01:00:17,591 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2023-11-12 01:00:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2023-11-12 01:00:17,591 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2023-11-12 01:00:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 01:00:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 01:00:17,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 01:00:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2023-11-12 01:00:17,592 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2023-11-12 01:00:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2023-11-12 01:00:17,593 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2023-11-12 01:00:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-12 01:00:17,593 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-12 01:00:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 01:00:17,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 01:00:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 01:00:17,594 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2023-11-12 01:00:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2023-11-12 01:00:17,594 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2023-11-12 01:00:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2023-11-12 01:00:17,594 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-12 01:00:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-12 01:00:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2023-11-12 01:00:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2023-11-12 01:00:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 01:00:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 01:00:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2023-11-12 01:00:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2023-11-12 01:00:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2023-11-12 01:00:17,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2023-11-12 01:00:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 01:00:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2023-11-12 01:00:17,596 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2023-11-12 01:00:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_via_ircc_cb [2023-11-12 01:00:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_via_ircc_cb [2023-11-12 01:00:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2023-11-12 01:00:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2023-11-12 01:00:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 01:00:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 01:00:17,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 01:00:17,598 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2023-11-12 01:00:17,598 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2023-11-12 01:00:17,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 01:00:17,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 01:00:17,598 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 01:00:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2023-11-12 01:00:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2023-11-12 01:00:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 01:00:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 01:00:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 01:00:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 01:00:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 01:00:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 01:00:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2023-11-12 01:00:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2023-11-12 01:00:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2023-11-12 01:00:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2023-11-12 01:00:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2023-11-12 01:00:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2023-11-12 01:00:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2023-11-12 01:00:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2023-11-12 01:00:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 01:00:17,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 01:00:17,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 01:00:17,602 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2023-11-12 01:00:17,602 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2023-11-12 01:00:17,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:00:17,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 01:00:17,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 01:00:17,603 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 01:00:17,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 01:00:17,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 01:00:17,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 01:00:17,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 01:00:17,604 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 01:00:17,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 01:00:17,604 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2023-11-12 01:00:17,604 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2023-11-12 01:00:17,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-12 01:00:17,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-12 01:00:17,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-12 01:00:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-12 01:00:17,605 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-12 01:00:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-12 01:00:17,605 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 01:00:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 01:00:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2023-11-12 01:00:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2023-11-12 01:00:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2023-11-12 01:00:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2023-11-12 01:00:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-12 01:00:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-12 01:00:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 01:00:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 01:00:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2023-11-12 01:00:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2023-11-12 01:00:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:00:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:00:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2023-11-12 01:00:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2023-11-12 01:00:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 01:00:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 01:00:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 01:00:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 01:00:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2023-11-12 01:00:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2023-11-12 01:00:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-11-12 01:00:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-11-12 01:00:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2023-11-12 01:00:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2023-11-12 01:00:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2023-11-12 01:00:17,610 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2023-11-12 01:00:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 01:00:17,610 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 01:00:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2023-11-12 01:00:17,610 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2023-11-12 01:00:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2023-11-12 01:00:17,611 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2023-11-12 01:00:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 01:00:17,611 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 01:00:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 01:00:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 01:00:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2023-11-12 01:00:17,612 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2023-11-12 01:00:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 01:00:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 01:00:17,612 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 01:00:17,613 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 01:00:17,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 01:00:17,613 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-12 01:00:17,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-12 01:00:17,613 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 01:00:17,613 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 01:00:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-12 01:00:17,614 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-12 01:00:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 01:00:17,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 01:00:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-12 01:00:17,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-12 01:00:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 01:00:17,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 01:00:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2023-11-12 01:00:17,615 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2023-11-12 01:00:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-12 01:00:17,615 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-12 01:00:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-12 01:00:17,616 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-12 01:00:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 01:00:17,616 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 01:00:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 01:00:17,616 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 01:00:17,617 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-12 01:00:17,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-12 01:00:17,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 01:00:17,617 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-12 01:00:17,617 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-12 01:00:17,617 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2023-11-12 01:00:17,617 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2023-11-12 01:00:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-12 01:00:17,618 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-12 01:00:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 01:00:17,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 01:00:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2023-11-12 01:00:17,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2023-11-12 01:00:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2023-11-12 01:00:17,619 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2023-11-12 01:00:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2023-11-12 01:00:17,619 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2023-11-12 01:00:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 01:00:17,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 01:00:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2023-11-12 01:00:17,620 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2023-11-12 01:00:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2023-11-12 01:00:17,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2023-11-12 01:00:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2023-11-12 01:00:17,620 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2023-11-12 01:00:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-12 01:00:17,621 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-12 01:00:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 01:00:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-11-12 01:00:17,621 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-11-12 01:00:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 01:00:17,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 01:00:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2023-11-12 01:00:17,622 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2023-11-12 01:00:18,371 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:00:18,375 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:00:18,602 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 01:00:24,769 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 01:00:25,965 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:00:28,301 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:00:28,302 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 01:00:28,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:00:28 BoogieIcfgContainer [2023-11-12 01:00:28,309 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:00:28,313 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:00:28,313 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:00:28,318 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:00:28,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:00:12" (1/3) ... [2023-11-12 01:00:28,321 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5224509c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:00:28, skipping insertion in model container [2023-11-12 01:00:28,321 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:16" (2/3) ... [2023-11-12 01:00:28,321 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5224509c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:00:28, skipping insertion in model container [2023-11-12 01:00:28,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:00:28" (3/3) ... [2023-11-12 01:00:28,323 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i [2023-11-12 01:00:28,345 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:00:28,345 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 01:00:28,466 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:00:28,475 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;@6635e01d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:00:28,476 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 01:00:28,490 INFO L276 IsEmpty]: Start isEmpty. Operand has 1739 states, 934 states have (on average 1.2494646680942185) internal successors, (1167), 957 states have internal predecessors, (1167), 712 states have call successors, (712), 93 states have call predecessors, (712), 92 states have return successors, (708), 697 states have call predecessors, (708), 708 states have call successors, (708) [2023-11-12 01:00:28,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-12 01:00:28,550 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:00:28,551 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:00:28,552 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:00:28,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:00:28,560 INFO L85 PathProgramCache]: Analyzing trace with hash 663855965, now seen corresponding path program 1 times [2023-11-12 01:00:28,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:00:28,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713835323] [2023-11-12 01:00:28,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:28,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:00:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:00:29,685 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-11-12 01:00:29,686 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:00:29,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713835323] [2023-11-12 01:00:29,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713835323] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:00:29,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:00:29,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:00:29,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476990560] [2023-11-12 01:00:29,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:00:29,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:00:29,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:00:29,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:00:29,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:00:29,733 INFO L87 Difference]: Start difference. First operand has 1739 states, 934 states have (on average 1.2494646680942185) internal successors, (1167), 957 states have internal predecessors, (1167), 712 states have call successors, (712), 93 states have call predecessors, (712), 92 states have return successors, (708), 697 states have call predecessors, (708), 708 states have call successors, (708) Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-12 01:00:32,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:00:35,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:00:35,339 INFO L93 Difference]: Finished difference Result 4821 states and 7207 transitions. [2023-11-12 01:00:35,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 01:00:35,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 134 [2023-11-12 01:00:35,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:00:35,389 INFO L225 Difference]: With dead ends: 4821 [2023-11-12 01:00:35,389 INFO L226 Difference]: Without dead ends: 3028 [2023-11-12 01:00:35,407 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 [2023-11-12 01:00:35,410 INFO L413 NwaCegarLoop]: 2455 mSDtfsCounter, 2041 mSDsluCounter, 2331 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2041 SdHoareTripleChecker+Valid, 4786 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-12 01:00:35,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2041 Valid, 4786 Invalid, 483 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-12 01:00:35,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3028 states. [2023-11-12 01:00:35,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3028 to 3024. [2023-11-12 01:00:35,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3024 states, 1626 states have (on average 1.2416974169741697) internal successors, (2019), 1670 states have internal predecessors, (2019), 1230 states have call successors, (1230), 168 states have call predecessors, (1230), 167 states have return successors, (1247), 1205 states have call predecessors, (1247), 1230 states have call successors, (1247) [2023-11-12 01:00:35,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3024 states to 3024 states and 4496 transitions. [2023-11-12 01:00:35,807 INFO L78 Accepts]: Start accepts. Automaton has 3024 states and 4496 transitions. Word has length 134 [2023-11-12 01:00:35,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:00:35,812 INFO L495 AbstractCegarLoop]: Abstraction has 3024 states and 4496 transitions. [2023-11-12 01:00:35,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-12 01:00:35,813 INFO L276 IsEmpty]: Start isEmpty. Operand 3024 states and 4496 transitions. [2023-11-12 01:00:35,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-11-12 01:00:35,838 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:00:35,838 INFO L195 NwaCegarLoop]: trace histogram [8, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:00:35,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 01:00:35,845 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:00:35,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:00:35,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1494038388, now seen corresponding path program 1 times [2023-11-12 01:00:35,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:00:35,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077357843] [2023-11-12 01:00:35,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:35,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:00:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:00:36,449 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2023-11-12 01:00:36,449 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:00:36,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077357843] [2023-11-12 01:00:36,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077357843] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:00:36,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:00:36,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:00:36,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101563252] [2023-11-12 01:00:36,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:00:36,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:00:36,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:00:36,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:00:36,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:00:36,458 INFO L87 Difference]: Start difference. First operand 3024 states and 4496 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-12 01:00:39,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:00:42,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:00:42,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:00:42,878 INFO L93 Difference]: Finished difference Result 8021 states and 11932 transitions. [2023-11-12 01:00:42,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 01:00:42,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 191 [2023-11-12 01:00:42,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:00:42,945 INFO L225 Difference]: With dead ends: 8021 [2023-11-12 01:00:42,945 INFO L226 Difference]: Without dead ends: 5008 [2023-11-12 01:00:42,976 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 [2023-11-12 01:00:42,977 INFO L413 NwaCegarLoop]: 2405 mSDtfsCounter, 1732 mSDsluCounter, 2263 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1732 SdHoareTripleChecker+Valid, 4668 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2023-11-12 01:00:42,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1732 Valid, 4668 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2023-11-12 01:00:42,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5008 states. [2023-11-12 01:00:43,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5008 to 5004. [2023-11-12 01:00:43,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5004 states, 2676 states have (on average 1.2376681614349776) internal successors, (3312), 2740 states have internal predecessors, (3312), 2045 states have call successors, (2045), 283 states have call predecessors, (2045), 282 states have return successors, (2062), 2012 states have call predecessors, (2062), 2045 states have call successors, (2062) [2023-11-12 01:00:43,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5004 states to 5004 states and 7419 transitions. [2023-11-12 01:00:43,621 INFO L78 Accepts]: Start accepts. Automaton has 5004 states and 7419 transitions. Word has length 191 [2023-11-12 01:00:43,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:00:43,622 INFO L495 AbstractCegarLoop]: Abstraction has 5004 states and 7419 transitions. [2023-11-12 01:00:43,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-12 01:00:43,623 INFO L276 IsEmpty]: Start isEmpty. Operand 5004 states and 7419 transitions. [2023-11-12 01:00:43,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-11-12 01:00:43,648 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:00:43,649 INFO L195 NwaCegarLoop]: trace histogram [11, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:00:43,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 01:00:43,649 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:00:43,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:00:43,659 INFO L85 PathProgramCache]: Analyzing trace with hash -23809443, now seen corresponding path program 1 times [2023-11-12 01:00:43,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:00:43,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881140956] [2023-11-12 01:00:43,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:43,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:00:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:00:44,279 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2023-11-12 01:00:44,280 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:00:44,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881140956] [2023-11-12 01:00:44,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881140956] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:00:44,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:00:44,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:00:44,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204537856] [2023-11-12 01:00:44,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:00:44,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:00:44,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:00:44,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:00:44,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:00:44,289 INFO L87 Difference]: Start difference. First operand 5004 states and 7419 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2023-11-12 01:00:48,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:00:48,563 INFO L93 Difference]: Finished difference Result 11981 states and 17777 transitions. [2023-11-12 01:00:48,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 01:00:48,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 238 [2023-11-12 01:00:48,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:00:48,652 INFO L225 Difference]: With dead ends: 11981 [2023-11-12 01:00:48,653 INFO L226 Difference]: Without dead ends: 6988 [2023-11-12 01:00:48,703 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 [2023-11-12 01:00:48,708 INFO L413 NwaCegarLoop]: 3874 mSDtfsCounter, 1740 mSDsluCounter, 2247 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1740 SdHoareTripleChecker+Valid, 6121 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-12 01:00:48,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1740 Valid, 6121 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-11-12 01:00:48,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6988 states. [2023-11-12 01:00:49,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6988 to 6984. [2023-11-12 01:00:49,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6984 states, 3725 states have (on average 1.2359731543624162) internal successors, (4604), 3809 states have internal predecessors, (4604), 2860 states have call successors, (2860), 399 states have call predecessors, (2860), 398 states have return successors, (2877), 2819 states have call predecessors, (2877), 2860 states have call successors, (2877) [2023-11-12 01:00:49,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6984 states to 6984 states and 10341 transitions. [2023-11-12 01:00:49,539 INFO L78 Accepts]: Start accepts. Automaton has 6984 states and 10341 transitions. Word has length 238 [2023-11-12 01:00:49,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:00:49,541 INFO L495 AbstractCegarLoop]: Abstraction has 6984 states and 10341 transitions. [2023-11-12 01:00:49,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2023-11-12 01:00:49,542 INFO L276 IsEmpty]: Start isEmpty. Operand 6984 states and 10341 transitions. [2023-11-12 01:00:49,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2023-11-12 01:00:49,581 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:00:49,581 INFO L195 NwaCegarLoop]: trace histogram [13, 11, 11, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:00:49,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 01:00:49,582 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:00:49,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:00:49,583 INFO L85 PathProgramCache]: Analyzing trace with hash 527091303, now seen corresponding path program 1 times [2023-11-12 01:00:49,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:00:49,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105453374] [2023-11-12 01:00:49,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:49,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:00:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:00:50,601 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2023-11-12 01:00:50,602 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:00:50,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105453374] [2023-11-12 01:00:50,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105453374] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:00:50,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:00:50,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:00:50,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459600058] [2023-11-12 01:00:50,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:00:50,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:00:50,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:00:50,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:00:50,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:00:50,606 INFO L87 Difference]: Start difference. First operand 6984 states and 10341 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2023-11-12 01:00:54,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:00:54,331 INFO L93 Difference]: Finished difference Result 16153 states and 23912 transitions. [2023-11-12 01:00:54,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 01:00:54,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 301 [2023-11-12 01:00:54,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:00:54,425 INFO L225 Difference]: With dead ends: 16153 [2023-11-12 01:00:54,426 INFO L226 Difference]: Without dead ends: 9180 [2023-11-12 01:00:54,482 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 [2023-11-12 01:00:54,486 INFO L413 NwaCegarLoop]: 3963 mSDtfsCounter, 2253 mSDsluCounter, 1917 mSDsCounter, 0 mSdLazyCounter, 625 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2253 SdHoareTripleChecker+Valid, 5880 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-12 01:00:54,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2253 Valid, 5880 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 625 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-12 01:00:54,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9180 states. [2023-11-12 01:00:55,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9180 to 9176. [2023-11-12 01:00:55,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9176 states, 4894 states have (on average 1.2351859419697588) internal successors, (6045), 5003 states have internal predecessors, (6045), 3748 states have call successors, (3748), 535 states have call predecessors, (3748), 533 states have return successors, (3765), 3695 states have call predecessors, (3765), 3748 states have call successors, (3765) [2023-11-12 01:00:55,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9176 states to 9176 states and 13558 transitions. [2023-11-12 01:00:55,422 INFO L78 Accepts]: Start accepts. Automaton has 9176 states and 13558 transitions. Word has length 301 [2023-11-12 01:00:55,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:00:55,424 INFO L495 AbstractCegarLoop]: Abstraction has 9176 states and 13558 transitions. [2023-11-12 01:00:55,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2023-11-12 01:00:55,425 INFO L276 IsEmpty]: Start isEmpty. Operand 9176 states and 13558 transitions. [2023-11-12 01:00:55,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2023-11-12 01:00:55,458 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:00:55,459 INFO L195 NwaCegarLoop]: trace histogram [13, 11, 11, 8, 7, 7, 7, 7, 7, 7, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:00:55,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 01:00:55,459 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:00:55,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:00:55,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1516278244, now seen corresponding path program 1 times [2023-11-12 01:00:55,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:00:55,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951617052] [2023-11-12 01:00:55,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:55,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms