./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 cf1a7837 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_91db369b-2c48-4148-9478-78936f6cae1e/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91db369b-2c48-4148-9478-78936f6cae1e/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_91db369b-2c48-4148-9478-78936f6cae1e/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91db369b-2c48-4148-9478-78936f6cae1e/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-ethernet-fealnx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91db369b-2c48-4148-9478-78936f6cae1e/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_91db369b-2c48-4148-9478-78936f6cae1e/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 a3968cfb5889c9f3d7db25b50a6978e9654cfd81b83e3cceec28f5c030877771 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:01:19,617 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:01:19,724 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91db369b-2c48-4148-9478-78936f6cae1e/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 01:01:19,735 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:01:19,737 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:01:19,776 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:01:19,777 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:01:19,778 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:01:19,779 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:01:19,784 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:01:19,785 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:01:19,786 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:01:19,786 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:01:19,788 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 01:01:19,788 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:01:19,789 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:01:19,789 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 01:01:19,790 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 01:01:19,790 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:01:19,791 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 01:01:19,791 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 01:01:19,792 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 01:01:19,793 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:01:19,793 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:01:19,793 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 01:01:19,794 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:01:19,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:01:19,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:01:19,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:01:19,812 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:01:19,812 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:01:19,813 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:01:19,813 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:01:19,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:01:19,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:01:19,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:01:19,814 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:01:19,815 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 01:01:19,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 01:01:19,815 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:01:19,815 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:01:19,816 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:01:19,816 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_91db369b-2c48-4148-9478-78936f6cae1e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91db369b-2c48-4148-9478-78936f6cae1e/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3968cfb5889c9f3d7db25b50a6978e9654cfd81b83e3cceec28f5c030877771 [2023-11-12 01:01:20,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:01:20,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:01:20,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:01:20,167 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:01:20,168 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:01:20,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91db369b-2c48-4148-9478-78936f6cae1e/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2023-11-12 01:01:23,487 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:01:24,266 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:01:24,268 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91db369b-2c48-4148-9478-78936f6cae1e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2023-11-12 01:01:24,335 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91db369b-2c48-4148-9478-78936f6cae1e/bin/utaipan-verify-NcY6lQBIFX/data/aaab5c33b/5d6f4ffe4f3b4f9a9b66f44bb6961894/FLAG6a39ff932 [2023-11-12 01:01:24,352 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91db369b-2c48-4148-9478-78936f6cae1e/bin/utaipan-verify-NcY6lQBIFX/data/aaab5c33b/5d6f4ffe4f3b4f9a9b66f44bb6961894 [2023-11-12 01:01:24,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:01:24,357 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:01:24,359 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:01:24,359 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:01:24,367 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:01:24,368 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:01:24" (1/1) ... [2023-11-12 01:01:24,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73af672c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:24, skipping insertion in model container [2023-11-12 01:01:24,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:01:24" (1/1) ... [2023-11-12 01:01:24,580 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:01:28,050 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_91db369b-2c48-4148-9478-78936f6cae1e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320486,320499] [2023-11-12 01:01:28,056 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_91db369b-2c48-4148-9478-78936f6cae1e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320631,320644] [2023-11-12 01:01:28,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:01:28,181 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:01:28,315 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] [2023-11-12 01:01:28,317 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] [2023-11-12 01:01:28,317 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5268] [2023-11-12 01:01:28,319 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] [2023-11-12 01:01:28,320 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] [2023-11-12 01:01:28,331 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] [2023-11-12 01:01:28,337 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] [2023-11-12 01:01:28,339 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] [2023-11-12 01:01:28,340 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] [2023-11-12 01:01:28,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7060] [2023-11-12 01:01:28,680 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_91db369b-2c48-4148-9478-78936f6cae1e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320486,320499] [2023-11-12 01:01:28,681 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_91db369b-2c48-4148-9478-78936f6cae1e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320631,320644] [2023-11-12 01:01:28,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:01:28,959 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 01:01:28,969 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:01:28,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:28 WrapperNode [2023-11-12 01:01:28,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:01:28,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:01:28,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:01:28,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:01:28,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:28" (1/1) ... [2023-11-12 01:01:29,133 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:28" (1/1) ... [2023-11-12 01:01:29,394 INFO L138 Inliner]: procedures = 433, calls = 1909, calls flagged for inlining = 216, calls inlined = 200, statements flattened = 4907 [2023-11-12 01:01:29,395 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:01:29,396 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:01:29,396 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:01:29,396 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:01:29,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:28" (1/1) ... [2023-11-12 01:01:29,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:28" (1/1) ... [2023-11-12 01:01:29,451 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:28" (1/1) ... [2023-11-12 01:01:29,452 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:28" (1/1) ... [2023-11-12 01:01:29,680 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:28" (1/1) ... [2023-11-12 01:01:29,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:28" (1/1) ... [2023-11-12 01:01:29,781 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:28" (1/1) ... [2023-11-12 01:01:29,814 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:28" (1/1) ... [2023-11-12 01:01:29,856 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:01:29,857 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:01:29,857 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:01:29,858 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:01:29,859 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:28" (1/1) ... [2023-11-12 01:01:29,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:01:29,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91db369b-2c48-4148-9478-78936f6cae1e/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:01:29,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91db369b-2c48-4148-9478-78936f6cae1e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:01:29,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91db369b-2c48-4148-9478-78936f6cae1e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:01:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_90 [2023-11-12 01:01:29,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_90 [2023-11-12 01:01:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure getlinkstatus [2023-11-12 01:01:29,953 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinkstatus [2023-11-12 01:01:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-12 01:01:29,953 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-12 01:01:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 01:01:29,954 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 01:01:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 01:01:29,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 01:01:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-12 01:01:29,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-12 01:01:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 01:01:29,956 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 01:01:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 01:01:29,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 01:01:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 01:01:29,958 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 01:01:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-12 01:01:29,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-12 01:01:29,961 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 01:01:29,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 01:01:29,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 01:01:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 01:01:29,963 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 01:01:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-12 01:01:29,963 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-12 01:01:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_tx_timeout [2023-11-12 01:01:29,964 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_tx_timeout [2023-11-12 01:01:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 01:01:29,964 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 01:01:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 01:01:29,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 01:01:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 01:01:29,965 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 01:01:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2023-11-12 01:01:29,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2023-11-12 01:01:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure getlinktype [2023-11-12 01:01:29,966 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinktype [2023-11-12 01:01:29,966 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-12 01:01:29,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-12 01:01:29,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 01:01:29,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-12 01:01:29,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-12 01:01:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 01:01:29,967 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 01:01:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 01:01:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rx_descriptors [2023-11-12 01:01:29,968 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rx_descriptors [2023-11-12 01:01:29,968 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 01:01:29,968 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 01:01:29,969 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_remove_one [2023-11-12 01:01:29,970 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_remove_one [2023-11-12 01:01:29,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 01:01:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 01:01:29,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 01:01:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-12 01:01:29,971 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-12 01:01:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 01:01:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-12 01:01:29,972 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-12 01:01:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 01:01:29,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 01:01:29,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 01:01:29,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 01:01:29,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 01:01:29,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 01:01:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 01:01:29,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 01:01:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 01:01:29,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 01:01:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 01:01:29,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 01:01:29,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 01:01:29,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 01:01:29,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 01:01:29,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 01:01:29,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 01:01:29,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:01:29,977 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2023-11-12 01:01:29,977 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2023-11-12 01:01:29,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 01:01:29,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 01:01:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 01:01:29,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 01:01:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 01:01:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 01:01:29,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 01:01:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 01:01:29,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 01:01:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-12 01:01:29,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-12 01:01:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-12 01:01:29,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-12 01:01:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 01:01:29,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 01:01:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-12 01:01:29,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-12 01:01:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 01:01:29,982 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 01:01:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-12 01:01:29,982 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-12 01:01:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 01:01:29,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 01:01:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_102 [2023-11-12 01:01:29,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_102 [2023-11-12 01:01:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rx [2023-11-12 01:01:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rx [2023-11-12 01:01:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-12 01:01:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-12 01:01:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:01:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:01:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 01:01:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 01:01:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 01:01:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 01:01:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2023-11-12 01:01:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2023-11-12 01:01:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 01:01:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 01:01:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2023-11-12 01:01:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2023-11-12 01:01:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure enable_rxtx [2023-11-12 01:01:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_rxtx [2023-11-12 01:01:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-12 01:01:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-12 01:01:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 01:01:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 01:01:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 01:01:29,992 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 01:01:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-12 01:01:29,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-12 01:01:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 01:01:29,994 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 01:01:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-12 01:01:29,995 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-12 01:01:29,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 01:01:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure reset_and_disable_rxtx [2023-11-12 01:01:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_and_disable_rxtx [2023-11-12 01:01:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 01:01:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 01:01:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 01:01:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-12 01:01:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-12 01:01:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 01:01:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 01:01:30,008 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 01:01:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 01:01:30,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 01:01:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 01:01:30,009 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 01:01:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2023-11-12 01:01:30,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2023-11-12 01:01:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 01:01:30,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 01:01:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2023-11-12 01:01:30,010 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2023-11-12 01:01:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 01:01:30,011 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 01:01:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 01:01:30,011 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 01:01:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_101 [2023-11-12 01:01:30,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_101 [2023-11-12 01:01:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-12 01:01:30,012 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-12 01:01:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rxtx [2023-11-12 01:01:30,012 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rxtx [2023-11-12 01:01:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure m80x_send_cmd_to_phy [2023-11-12 01:01:30,013 INFO L138 BoogieDeclarations]: Found implementation of procedure m80x_send_cmd_to_phy [2023-11-12 01:01:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 01:01:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffers [2023-11-12 01:01:30,013 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffers [2023-11-12 01:01:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 01:01:30,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 01:01:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 01:01:30,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 01:01:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-12 01:01:30,015 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-12 01:01:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-12 01:01:30,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-12 01:01:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 01:01:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 01:01:30,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 01:01:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2023-11-12 01:01:30,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2023-11-12 01:01:30,913 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:01:30,917 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:01:32,035 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 01:01:35,993 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 01:01:36,170 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:01:39,346 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:01:39,346 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 01:01:39,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:01:39 BoogieIcfgContainer [2023-11-12 01:01:39,354 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:01:39,359 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:01:39,359 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:01:39,363 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:01:39,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:01:24" (1/3) ... [2023-11-12 01:01:39,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b87692e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:01:39, skipping insertion in model container [2023-11-12 01:01:39,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:28" (2/3) ... [2023-11-12 01:01:39,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b87692e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:01:39, skipping insertion in model container [2023-11-12 01:01:39,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:01:39" (3/3) ... [2023-11-12 01:01:39,368 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2023-11-12 01:01:39,396 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:01:39,396 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 01:01:39,526 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:01:39,536 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;@17711590, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:01:39,536 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 01:01:39,551 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) [2023-11-12 01:01:39,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-12 01:01:39,610 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:01:39,611 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] [2023-11-12 01:01:39,612 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:01:39,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:01:39,619 INFO L85 PathProgramCache]: Analyzing trace with hash 836191482, now seen corresponding path program 1 times [2023-11-12 01:01:39,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:01:39,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438350529] [2023-11-12 01:01:39,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:01:39,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:01:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:01:40,825 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2023-11-12 01:01:40,826 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:01:40,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438350529] [2023-11-12 01:01:40,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438350529] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:01:40,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:01:40,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:01:40,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177729744] [2023-11-12 01:01:40,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:01:40,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:01:40,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:01:40,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:01:40,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:01:40,904 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) [2023-11-12 01:01:44,054 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 [] [2023-11-12 01:01:46,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:01:48,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:01:50,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:01:50,697 INFO L93 Difference]: Finished difference Result 3400 states and 4941 transitions. [2023-11-12 01:01:50,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 01:01:50,703 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 [2023-11-12 01:01:50,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:01:50,743 INFO L225 Difference]: With dead ends: 3400 [2023-11-12 01:01:50,743 INFO L226 Difference]: Without dead ends: 2175 [2023-11-12 01:01:50,757 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 01:01:50,761 INFO L413 NwaCegarLoop]: 1582 mSDtfsCounter, 1585 mSDsluCounter, 1370 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s 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, 9.4s IncrementalHoareTripleChecker+Time [2023-11-12 01:01:50,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1585 Valid, 2952 Invalid, 578 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 572 Invalid, 3 Unknown, 0 Unchecked, 9.4s Time] [2023-11-12 01:01:50,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2175 states. [2023-11-12 01:01:51,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2175 to 2171. [2023-11-12 01:01:51,010 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) [2023-11-12 01:01:51,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 2171 states and 3109 transitions. [2023-11-12 01:01:51,037 INFO L78 Accepts]: Start accepts. Automaton has 2171 states and 3109 transitions. Word has length 147 [2023-11-12 01:01:51,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:01:51,038 INFO L495 AbstractCegarLoop]: Abstraction has 2171 states and 3109 transitions. [2023-11-12 01:01:51,038 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) [2023-11-12 01:01:51,038 INFO L276 IsEmpty]: Start isEmpty. Operand 2171 states and 3109 transitions. [2023-11-12 01:01:51,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-12 01:01:51,049 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:01:51,049 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] [2023-11-12 01:01:51,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 01:01:51,050 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:01:51,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:01:51,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1428681434, now seen corresponding path program 1 times [2023-11-12 01:01:51,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:01:51,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748431591] [2023-11-12 01:01:51,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:01:51,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:01:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:01:51,455 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2023-11-12 01:01:51,455 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:01:51,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748431591] [2023-11-12 01:01:51,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748431591] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:01:51,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:01:51,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:01:51,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121314150] [2023-11-12 01:01:51,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:01:51,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:01:51,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:01:51,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:01:51,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:01:51,459 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) [2023-11-12 01:01:53,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:01:57,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:01:59,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:02:02,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:02:02,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:02:02,538 INFO L93 Difference]: Finished difference Result 5709 states and 8165 transitions. [2023-11-12 01:02:02,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 01:02:02,539 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 [2023-11-12 01:02:02,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:02:02,575 INFO L225 Difference]: With dead ends: 5709 [2023-11-12 01:02:02,576 INFO L226 Difference]: Without dead ends: 3557 [2023-11-12 01:02:02,590 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 01:02:02,592 INFO L413 NwaCegarLoop]: 1365 mSDtfsCounter, 1061 mSDsluCounter, 1322 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 15 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1061 SdHoareTripleChecker+Valid, 2687 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2023-11-12 01:02:02,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1061 Valid, 2687 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 598 Invalid, 4 Unknown, 0 Unchecked, 10.8s Time] [2023-11-12 01:02:02,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3557 states. [2023-11-12 01:02:02,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3557 to 3553. [2023-11-12 01:02:02,886 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) [2023-11-12 01:02:02,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3553 states to 3553 states and 5051 transitions. [2023-11-12 01:02:02,924 INFO L78 Accepts]: Start accepts. Automaton has 3553 states and 5051 transitions. Word has length 150 [2023-11-12 01:02:02,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:02:02,925 INFO L495 AbstractCegarLoop]: Abstraction has 3553 states and 5051 transitions. [2023-11-12 01:02:02,926 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) [2023-11-12 01:02:02,927 INFO L276 IsEmpty]: Start isEmpty. Operand 3553 states and 5051 transitions. [2023-11-12 01:02:02,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-12 01:02:02,938 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:02:02,938 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] [2023-11-12 01:02:02,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 01:02:02,940 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:02:02,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:02:02,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1245596754, now seen corresponding path program 1 times [2023-11-12 01:02:02,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:02:02,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484540033] [2023-11-12 01:02:02,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:02:02,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:02:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:02:03,336 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2023-11-12 01:02:03,336 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:02:03,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484540033] [2023-11-12 01:02:03,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484540033] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:02:03,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:02:03,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:02:03,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207269030] [2023-11-12 01:02:03,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:02:03,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:02:03,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:02:03,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:02:03,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:02:03,342 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) [2023-11-12 01:02:05,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:02:07,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:02:09,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:02:11,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:02:13,586 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 []