./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff3363b-c4fd-4b1a-87f3-d7fda8110e5b/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff3363b-c4fd-4b1a-87f3-d7fda8110e5b/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff3363b-c4fd-4b1a-87f3-d7fda8110e5b/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff3363b-c4fd-4b1a-87f3-d7fda8110e5b/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.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_fff3363b-c4fd-4b1a-87f3-d7fda8110e5b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff3363b-c4fd-4b1a-87f3-d7fda8110e5b/bin/uautomizer-verify-aQ6SnzHsRB --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a3968cfb5889c9f3d7db25b50a6978e9654cfd81b83e3cceec28f5c030877771 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:02:54,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:02:54,782 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff3363b-c4fd-4b1a-87f3-d7fda8110e5b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 04:02:54,790 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:02:54,790 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:02:54,814 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:02:54,815 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:02:54,815 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:02:54,815 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:02:54,815 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:02:54,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:02:54,817 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:02:54,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:02:54,817 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:02:54,817 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:02:54,818 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:02:54,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:02:54,818 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:02:54,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:02:54,818 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:02:54,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:02:54,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:02:54,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:02:54,818 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:02:54,819 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:02:54,819 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:02:54,819 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:02:54,819 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:02:54,819 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:02:54,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:02:54,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:02:54,819 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:02:54,820 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:02:54,820 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:02:54,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:02:54,820 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:02:54,820 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:02:54,820 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:02:54,820 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:02:54,822 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:02:54,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:02:54,822 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:02:54,822 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:02:54,822 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:02:54,823 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:02:54,823 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_fff3363b-c4fd-4b1a-87f3-d7fda8110e5b/bin/uautomizer-verify-aQ6SnzHsRB 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 -> Automizer 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 [2024-11-28 04:02:55,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:02:55,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:02:55,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:02:55,150 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:02:55,151 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:02:55,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff3363b-c4fd-4b1a-87f3-d7fda8110e5b/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2024-11-28 04:02:58,238 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff3363b-c4fd-4b1a-87f3-d7fda8110e5b/bin/uautomizer-verify-aQ6SnzHsRB/data/df7bad7ef/2ce55309af7143c49321f18ba5f6e945/FLAG6c0d31496 [2024-11-28 04:02:59,022 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:02:59,023 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff3363b-c4fd-4b1a-87f3-d7fda8110e5b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2024-11-28 04:02:59,099 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff3363b-c4fd-4b1a-87f3-d7fda8110e5b/bin/uautomizer-verify-aQ6SnzHsRB/data/df7bad7ef/2ce55309af7143c49321f18ba5f6e945/FLAG6c0d31496 [2024-11-28 04:02:59,126 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff3363b-c4fd-4b1a-87f3-d7fda8110e5b/bin/uautomizer-verify-aQ6SnzHsRB/data/df7bad7ef/2ce55309af7143c49321f18ba5f6e945 [2024-11-28 04:02:59,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:02:59,130 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:02:59,133 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:02:59,133 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:02:59,138 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:02:59,139 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:02:59" (1/1) ... [2024-11-28 04:02:59,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e93928e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:02:59, skipping insertion in model container [2024-11-28 04:02:59,140 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:02:59" (1/1) ... [2024-11-28 04:02:59,291 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:03:02,005 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff3363b-c4fd-4b1a-87f3-d7fda8110e5b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320486,320499] [2024-11-28 04:03:02,013 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff3363b-c4fd-4b1a-87f3-d7fda8110e5b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320631,320644] [2024-11-28 04:03:02,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:03:02,066 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:03:02,230 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] [2024-11-28 04:03:02,232 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] [2024-11-28 04:03:02,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5268] [2024-11-28 04:03:02,236 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] [2024-11-28 04:03:02,237 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] [2024-11-28 04:03:02,249 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] [2024-11-28 04:03:02,252 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] [2024-11-28 04:03:02,254 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] [2024-11-28 04:03:02,255 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] [2024-11-28 04:03:02,335 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7060] [2024-11-28 04:03:02,537 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff3363b-c4fd-4b1a-87f3-d7fda8110e5b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320486,320499] [2024-11-28 04:03:02,538 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff3363b-c4fd-4b1a-87f3-d7fda8110e5b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320631,320644] [2024-11-28 04:03:02,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:03:02,758 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:03:02,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:02 WrapperNode [2024-11-28 04:03:02,760 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:03:02,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:03:02,762 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:03:02,762 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:03:02,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:02" (1/1) ... [2024-11-28 04:03:02,872 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:02" (1/1) ... [2024-11-28 04:03:03,162 INFO L138 Inliner]: procedures = 433, calls = 1900, calls flagged for inlining = 216, calls inlined = 200, statements flattened = 4905 [2024-11-28 04:03:03,163 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:03:03,164 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:03:03,164 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:03:03,164 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:03:03,185 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:02" (1/1) ... [2024-11-28 04:03:03,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:02" (1/1) ... [2024-11-28 04:03:03,255 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:02" (1/1) ... [2024-11-28 04:03:04,297 INFO L175 MemorySlicer]: Split 918 memory accesses to 16 slices as follows [760, 48, 7, 1, 1, 3, 7, 2, 2, 2, 9, 10, 8, 54, 1, 3]. 83 percent of accesses are in the largest equivalence class. The 70 initializations are split as follows [19, 18, 7, 1, 0, 0, 0, 0, 2, 0, 8, 8, 6, 0, 0, 1]. The 418 writes are split as follows [339, 30, 0, 0, 0, 0, 4, 1, 0, 1, 0, 0, 0, 42, 1, 0]. [2024-11-28 04:03:04,300 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:02" (1/1) ... [2024-11-28 04:03:04,301 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:02" (1/1) ... [2024-11-28 04:03:04,431 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:02" (1/1) ... [2024-11-28 04:03:04,445 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:02" (1/1) ... [2024-11-28 04:03:04,477 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:02" (1/1) ... [2024-11-28 04:03:04,532 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:02" (1/1) ... [2024-11-28 04:03:04,554 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:02" (1/1) ... [2024-11-28 04:03:04,617 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:03:04,618 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:03:04,619 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:03:04,619 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:03:04,620 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:02" (1/1) ... [2024-11-28 04:03:04,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:03:04,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff3363b-c4fd-4b1a-87f3-d7fda8110e5b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:03:04,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff3363b-c4fd-4b1a-87f3-d7fda8110e5b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:03:04,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff3363b-c4fd-4b1a-87f3-d7fda8110e5b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:03:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_90 [2024-11-28 04:03:04,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_90 [2024-11-28 04:03:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure getlinkstatus [2024-11-28 04:03:04,690 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinkstatus [2024-11-28 04:03:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2024-11-28 04:03:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2024-11-28 04:03:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-28 04:03:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-28 04:03:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-28 04:03:04,692 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-28 04:03:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-11-28 04:03:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-11-28 04:03:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-28 04:03:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-28 04:03:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 04:03:04,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 04:03:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-28 04:03:04,694 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-28 04:03:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-28 04:03:04,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-28 04:03:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-28 04:03:04,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-28 04:03:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-28 04:03:04,697 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-28 04:03:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-28 04:03:04,697 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-28 04:03:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_tx_timeout [2024-11-28 04:03:04,698 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_tx_timeout [2024-11-28 04:03:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-28 04:03:04,698 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-28 04:03:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-28 04:03:04,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-28 04:03:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-28 04:03:04,698 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-28 04:03:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2024-11-28 04:03:04,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2024-11-28 04:03:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure getlinktype [2024-11-28 04:03:04,698 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinktype [2024-11-28 04:03:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-28 04:03:04,698 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-28 04:03:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:03:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2024-11-28 04:03:04,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2024-11-28 04:03:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-28 04:03:04,698 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-28 04:03:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-28 04:03:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-28 04:03:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-28 04:03:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-28 04:03:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-28 04:03:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-28 04:03:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-28 04:03:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-28 04:03:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-28 04:03:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-28 04:03:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-28 04:03:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-28 04:03:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-28 04:03:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-28 04:03:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-28 04:03:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-28 04:03:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rx_descriptors [2024-11-28 04:03:04,699 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rx_descriptors [2024-11-28 04:03:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-28 04:03:04,700 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-28 04:03:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_remove_one [2024-11-28 04:03:04,700 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_remove_one [2024-11-28 04:03:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 04:03:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 04:03:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 04:03:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 04:03:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 04:03:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 04:03:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 04:03:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 04:03:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 04:03:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 04:03:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 04:03:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 04:03:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 04:03:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 04:03:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 04:03:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 04:03:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-28 04:03:04,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-28 04:03:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-28 04:03:04,704 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-28 04:03:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 04:03:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 04:03:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 04:03:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 04:03:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 04:03:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 04:03:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 04:03:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 04:03:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 04:03:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 04:03:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 04:03:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 04:03:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 04:03:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 04:03:04,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 04:03:04,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 04:03:04,706 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2024-11-28 04:03:04,706 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2024-11-28 04:03:04,706 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-28 04:03:04,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-28 04:03:04,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-28 04:03:04,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-28 04:03:04,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-28 04:03:04,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-28 04:03:04,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-28 04:03:04,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-28 04:03:04,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-28 04:03:04,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-28 04:03:04,707 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-28 04:03:04,707 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-28 04:03:04,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:03:04,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-28 04:03:04,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-28 04:03:04,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-28 04:03:04,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-28 04:03:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:03:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2024-11-28 04:03:04,709 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2024-11-28 04:03:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-28 04:03:04,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-28 04:03:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-28 04:03:04,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-28 04:03:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 04:03:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 04:03:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 04:03:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 04:03:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 04:03:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 04:03:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 04:03:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 04:03:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 04:03:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 04:03:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 04:03:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 04:03:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 04:03:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 04:03:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 04:03:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-28 04:03:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 04:03:04,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 04:03:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-28 04:03:04,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-28 04:03:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2024-11-28 04:03:04,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2024-11-28 04:03:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2024-11-28 04:03:04,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2024-11-28 04:03:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-11-28 04:03:04,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-11-28 04:03:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-28 04:03:04,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-28 04:03:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-28 04:03:04,711 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-28 04:03:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-28 04:03:04,711 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-28 04:03:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-28 04:03:04,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-28 04:03:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_102 [2024-11-28 04:03:04,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_102 [2024-11-28 04:03:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rx [2024-11-28 04:03:04,711 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rx [2024-11-28 04:03:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-11-28 04:03:04,711 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-11-28 04:03:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:03:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:03:04,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-28 04:03:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-28 04:03:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-28 04:03:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-28 04:03:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-28 04:03:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-28 04:03:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-28 04:03:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-28 04:03:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-28 04:03:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-28 04:03:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-28 04:03:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-28 04:03:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-28 04:03:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-28 04:03:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-28 04:03:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-28 04:03:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 04:03:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 04:03:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 04:03:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 04:03:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 04:03:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 04:03:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 04:03:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 04:03:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 04:03:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 04:03:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 04:03:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 04:03:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 04:03:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 04:03:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-28 04:03:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-28 04:03:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 04:03:04,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 04:03:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2024-11-28 04:03:04,718 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2024-11-28 04:03:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-28 04:03:04,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-28 04:03:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2024-11-28 04:03:04,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2024-11-28 04:03:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure enable_rxtx [2024-11-28 04:03:04,718 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_rxtx [2024-11-28 04:03:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-28 04:03:04,718 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-28 04:03:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-28 04:03:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-28 04:03:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-28 04:03:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-28 04:03:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-28 04:03:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-28 04:03:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-28 04:03:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-28 04:03:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-28 04:03:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-28 04:03:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-28 04:03:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-28 04:03:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-28 04:03:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-28 04:03:04,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-28 04:03:04,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-28 04:03:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-28 04:03:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-28 04:03:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-28 04:03:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-28 04:03:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-28 04:03:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-28 04:03:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-28 04:03:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-28 04:03:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-28 04:03:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-28 04:03:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-28 04:03:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-28 04:03:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-28 04:03:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-28 04:03:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-28 04:03:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-28 04:03:04,719 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-28 04:03:04,722 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-28 04:03:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-28 04:03:04,722 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-28 04:03:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-28 04:03:04,722 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-28 04:03:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-11-28 04:03:04,722 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-11-28 04:03:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:03:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure reset_and_disable_rxtx [2024-11-28 04:03:04,722 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_and_disable_rxtx [2024-11-28 04:03:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-28 04:03:04,722 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-28 04:03:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 04:03:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 04:03:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 04:03:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 04:03:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 04:03:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 04:03:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 04:03:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 04:03:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 04:03:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 04:03:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 04:03:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 04:03:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 04:03:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 04:03:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 04:03:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-28 04:03:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-28 04:03:04,723 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-28 04:03:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 04:03:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 04:03:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 04:03:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 04:03:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 04:03:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 04:03:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 04:03:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 04:03:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 04:03:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-28 04:03:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-28 04:03:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-28 04:03:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-28 04:03:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-28 04:03:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-28 04:03:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-28 04:03:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 04:03:04,724 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 04:03:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-28 04:03:04,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-28 04:03:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-28 04:03:04,724 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-28 04:03:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2024-11-28 04:03:04,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2024-11-28 04:03:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-28 04:03:04,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-28 04:03:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2024-11-28 04:03:04,724 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2024-11-28 04:03:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-28 04:03:04,724 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-28 04:03:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-28 04:03:04,724 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-28 04:03:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_101 [2024-11-28 04:03:04,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_101 [2024-11-28 04:03:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-28 04:03:04,725 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-28 04:03:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rxtx [2024-11-28 04:03:04,725 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rxtx [2024-11-28 04:03:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure m80x_send_cmd_to_phy [2024-11-28 04:03:04,725 INFO L138 BoogieDeclarations]: Found implementation of procedure m80x_send_cmd_to_phy [2024-11-28 04:03:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:03:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:03:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 04:03:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 04:03:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 04:03:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 04:03:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 04:03:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 04:03:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 04:03:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 04:03:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 04:03:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 04:03:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 04:03:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 04:03:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 04:03:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 04:03:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffers [2024-11-28 04:03:04,729 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffers [2024-11-28 04:03:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 04:03:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 04:03:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-28 04:03:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-28 04:03:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2024-11-28 04:03:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2024-11-28 04:03:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-28 04:03:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-28 04:03:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:03:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:03:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 04:03:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 04:03:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 04:03:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 04:03:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 04:03:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 04:03:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 04:03:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 04:03:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 04:03:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 04:03:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 04:03:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 04:03:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 04:03:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 04:03:04,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-28 04:03:04,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-28 04:03:04,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2024-11-28 04:03:04,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2024-11-28 04:03:05,805 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:03:05,810 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:03:06,074 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 04:03:21,537 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-28 04:03:22,719 INFO L? ?]: Removed 2356 outVars from TransFormulas that were not future-live. [2024-11-28 04:03:22,720 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:03:22,809 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:03:22,809 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 04:03:22,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:03:22 BoogieIcfgContainer [2024-11-28 04:03:22,810 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:03:22,814 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:03:22,815 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:03:22,821 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:03:22,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:02:59" (1/3) ... [2024-11-28 04:03:22,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e4959f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:03:22, skipping insertion in model container [2024-11-28 04:03:22,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:03:02" (2/3) ... [2024-11-28 04:03:22,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e4959f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:03:22, skipping insertion in model container [2024-11-28 04:03:22,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:03:22" (3/3) ... [2024-11-28 04:03:22,825 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2024-11-28 04:03:22,849 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:03:22,854 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i that has 100 procedures, 1972 locations, 1 initial locations, 19 loop locations, and 1 error locations. [2024-11-28 04:03:23,044 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:03:23,063 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, 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;@3ad7aa5d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:03:23,064 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:03:23,080 INFO L276 IsEmpty]: Start isEmpty. Operand has 1910 states, 1413 states have (on average 1.3375796178343948) internal successors, (1890), 1431 states have internal predecessors, (1890), 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) [2024-11-28 04:03:23,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-28 04:03:23,114 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:23,115 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 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] [2024-11-28 04:03:23,116 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:03:23,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:23,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1498592637, now seen corresponding path program 1 times [2024-11-28 04:03:23,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:03:23,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138420443] [2024-11-28 04:03:23,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:23,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:03:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:30,155 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2024-11-28 04:03:30,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:03:30,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138420443] [2024-11-28 04:03:30,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138420443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:03:30,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:03:30,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:03:30,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047923676] [2024-11-28 04:03:30,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:03:30,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:03:30,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:03:30,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:03:30,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:03:30,196 INFO L87 Difference]: Start difference. First operand has 1910 states, 1413 states have (on average 1.3375796178343948) internal successors, (1890), 1431 states have internal predecessors, (1890), 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 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2024-11-28 04:03:34,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:03:35,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:35,190 INFO L93 Difference]: Finished difference Result 5562 states and 8010 transitions. [2024-11-28 04:03:35,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:03:35,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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 170 [2024-11-28 04:03:35,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:35,256 INFO L225 Difference]: With dead ends: 5562 [2024-11-28 04:03:35,256 INFO L226 Difference]: Without dead ends: 3596 [2024-11-28 04:03:35,281 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:03:35,285 INFO L435 NwaCegarLoop]: 3102 mSDtfsCounter, 2566 mSDsluCounter, 2603 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2566 SdHoareTripleChecker+Valid, 5705 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:35,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2566 Valid, 5705 Invalid, 18 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-28 04:03:35,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3596 states. [2024-11-28 04:03:35,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3596 to 3592. [2024-11-28 04:03:35,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3592 states, 2706 states have (on average 1.327790096082779) internal successors, (3593), 2742 states have internal predecessors, (3593), 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) [2024-11-28 04:03:35,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3592 states to 3592 states and 5050 transitions. [2024-11-28 04:03:35,732 INFO L78 Accepts]: Start accepts. Automaton has 3592 states and 5050 transitions. Word has length 170 [2024-11-28 04:03:35,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:35,736 INFO L471 AbstractCegarLoop]: Abstraction has 3592 states and 5050 transitions. [2024-11-28 04:03:35,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2024-11-28 04:03:35,737 INFO L276 IsEmpty]: Start isEmpty. Operand 3592 states and 5050 transitions. [2024-11-28 04:03:35,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-28 04:03:35,762 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:35,763 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 9, 9, 9, 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] [2024-11-28 04:03:35,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:03:35,763 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:03:35,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:35,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1324280981, now seen corresponding path program 1 times [2024-11-28 04:03:35,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:03:35,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537083251] [2024-11-28 04:03:35,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:35,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:03:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:40,913 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-11-28 04:03:40,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:03:40,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537083251] [2024-11-28 04:03:40,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537083251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:03:40,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:03:40,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:03:40,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131554012] [2024-11-28 04:03:40,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:03:40,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:03:40,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:03:40,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:03:40,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:03:40,917 INFO L87 Difference]: Start difference. First operand 3592 states and 5050 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (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) [2024-11-28 04:03:44,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:03:46,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:46,795 INFO L93 Difference]: Finished difference Result 9460 states and 13299 transitions. [2024-11-28 04:03:46,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:03:46,797 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 178 [2024-11-28 04:03:46,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:46,857 INFO L225 Difference]: With dead ends: 9460 [2024-11-28 04:03:46,857 INFO L226 Difference]: Without dead ends: 5891 [2024-11-28 04:03:46,877 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:03:46,878 INFO L435 NwaCegarLoop]: 2631 mSDtfsCounter, 1789 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1789 SdHoareTripleChecker+Valid, 5191 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:46,880 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1789 Valid, 5191 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-11-28 04:03:46,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5891 states. [2024-11-28 04:03:47,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5891 to 5887. [2024-11-28 04:03:47,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5887 states, 4460 states have (on average 1.3280269058295964) internal successors, (5923), 4515 states have internal predecessors, (5923), 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) [2024-11-28 04:03:47,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5887 states to 5887 states and 8246 transitions. [2024-11-28 04:03:47,284 INFO L78 Accepts]: Start accepts. Automaton has 5887 states and 8246 transitions. Word has length 178 [2024-11-28 04:03:47,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:47,286 INFO L471 AbstractCegarLoop]: Abstraction has 5887 states and 8246 transitions. [2024-11-28 04:03:47,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2024-11-28 04:03:47,286 INFO L276 IsEmpty]: Start isEmpty. Operand 5887 states and 8246 transitions. [2024-11-28 04:03:47,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-28 04:03:47,296 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:47,296 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 9, 9, 9, 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] [2024-11-28 04:03:47,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:03:47,297 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:03:47,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:47,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1463357538, now seen corresponding path program 1 times [2024-11-28 04:03:47,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:03:47,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260720398] [2024-11-28 04:03:47,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:47,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:03:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:53,328 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-28 04:03:53,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:03:53,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260720398] [2024-11-28 04:03:53,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260720398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:03:53,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:03:53,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:03:53,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009838045] [2024-11-28 04:03:53,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:03:53,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:03:53,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:03:53,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:03:53,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:03:53,331 INFO L87 Difference]: Start difference. First operand 5887 states and 8246 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2024-11-28 04:03:57,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:03:58,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:58,315 INFO L93 Difference]: Finished difference Result 17585 states and 24640 transitions. [2024-11-28 04:03:58,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:03:58,316 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 193 [2024-11-28 04:03:58,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:58,419 INFO L225 Difference]: With dead ends: 17585 [2024-11-28 04:03:58,419 INFO L226 Difference]: Without dead ends: 11721 [2024-11-28 04:03:58,450 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:03:58,454 INFO L435 NwaCegarLoop]: 3118 mSDtfsCounter, 2561 mSDsluCounter, 2600 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2561 SdHoareTripleChecker+Valid, 5718 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:58,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2561 Valid, 5718 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-28 04:03:58,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11721 states. [2024-11-28 04:03:59,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11721 to 11711. [2024-11-28 04:03:59,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11711 states, 8871 states have (on average 1.3284860782324428) internal successors, (11785), 8987 states have internal predecessors, (11785), 2305 states have call successors, (2305), 538 states have call predecessors, (2305), 534 states have return successors, (2315), 2271 states have call predecessors, (2315), 2305 states have call successors, (2315) [2024-11-28 04:03:59,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11711 states to 11711 states and 16405 transitions. [2024-11-28 04:03:59,127 INFO L78 Accepts]: Start accepts. Automaton has 11711 states and 16405 transitions. Word has length 193 [2024-11-28 04:03:59,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:59,128 INFO L471 AbstractCegarLoop]: Abstraction has 11711 states and 16405 transitions. [2024-11-28 04:03:59,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2024-11-28 04:03:59,129 INFO L276 IsEmpty]: Start isEmpty. Operand 11711 states and 16405 transitions. [2024-11-28 04:03:59,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-28 04:03:59,141 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:59,142 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 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] [2024-11-28 04:03:59,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:03:59,142 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:03:59,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:59,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1702299787, now seen corresponding path program 1 times [2024-11-28 04:03:59,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:03:59,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097068708] [2024-11-28 04:03:59,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:59,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:04:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:04:04,576 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2024-11-28 04:04:04,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:04:04,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097068708] [2024-11-28 04:04:04,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097068708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:04:04,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:04:04,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:04:04,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073073366] [2024-11-28 04:04:04,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:04:04,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:04:04,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:04:04,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:04:04,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:04:04,585 INFO L87 Difference]: Start difference. First operand 11711 states and 16405 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-28 04:04:08,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:10,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:04:10,002 INFO L93 Difference]: Finished difference Result 32393 states and 45103 transitions. [2024-11-28 04:04:10,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:04:10,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 196 [2024-11-28 04:04:10,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:04:10,168 INFO L225 Difference]: With dead ends: 32393 [2024-11-28 04:04:10,168 INFO L226 Difference]: Without dead ends: 20705 [2024-11-28 04:04:10,220 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:04:10,221 INFO L435 NwaCegarLoop]: 2749 mSDtfsCounter, 2082 mSDsluCounter, 2543 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2082 SdHoareTripleChecker+Valid, 5292 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:04:10,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2082 Valid, 5292 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-28 04:04:10,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20705 states. [2024-11-28 04:04:11,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20705 to 20697. [2024-11-28 04:04:11,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20697 states, 15523 states have (on average 1.31153771822457) internal successors, (20359), 15729 states have internal predecessors, (20359), 4143 states have call successors, (4143), 1040 states have call predecessors, (4143), 1030 states have return successors, (4189), 4065 states have call predecessors, (4189), 4143 states have call successors, (4189) [2024-11-28 04:04:11,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20697 states to 20697 states and 28691 transitions. [2024-11-28 04:04:11,223 INFO L78 Accepts]: Start accepts. Automaton has 20697 states and 28691 transitions. Word has length 196 [2024-11-28 04:04:11,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:04:11,224 INFO L471 AbstractCegarLoop]: Abstraction has 20697 states and 28691 transitions. [2024-11-28 04:04:11,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-28 04:04:11,224 INFO L276 IsEmpty]: Start isEmpty. Operand 20697 states and 28691 transitions. [2024-11-28 04:04:11,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-28 04:04:11,242 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:04:11,242 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 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] [2024-11-28 04:04:11,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:04:11,242 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:04:11,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:04:11,243 INFO L85 PathProgramCache]: Analyzing trace with hash -2060999437, now seen corresponding path program 1 times [2024-11-28 04:04:11,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:04:11,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662905548] [2024-11-28 04:04:11,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:04:11,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:04:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:04:16,027 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2024-11-28 04:04:16,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:04:16,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662905548] [2024-11-28 04:04:16,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662905548] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:04:16,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:04:16,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:04:16,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712924349] [2024-11-28 04:04:16,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:04:16,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:04:16,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:04:16,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:04:16,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:04:16,030 INFO L87 Difference]: Start difference. First operand 20697 states and 28691 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-28 04:04:20,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:21,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:04:21,774 INFO L93 Difference]: Finished difference Result 42206 states and 58329 transitions. [2024-11-28 04:04:21,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:04:21,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 213 [2024-11-28 04:04:21,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:04:21,967 INFO L225 Difference]: With dead ends: 42206 [2024-11-28 04:04:21,967 INFO L226 Difference]: Without dead ends: 21532 [2024-11-28 04:04:22,067 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:04:22,068 INFO L435 NwaCegarLoop]: 2833 mSDtfsCounter, 862 mSDsluCounter, 2563 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 862 SdHoareTripleChecker+Valid, 5396 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:04:22,068 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [862 Valid, 5396 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-28 04:04:22,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21532 states. [2024-11-28 04:04:23,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21532 to 21530. [2024-11-28 04:04:23,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21530 states, 16129 states have (on average 1.306528613057226) internal successors, (21073), 16339 states have internal predecessors, (21073), 4273 states have call successors, (4273), 1137 states have call predecessors, (4273), 1127 states have return successors, (4319), 4195 states have call predecessors, (4319), 4273 states have call successors, (4319) [2024-11-28 04:04:23,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21530 states to 21530 states and 29665 transitions. [2024-11-28 04:04:23,697 INFO L78 Accepts]: Start accepts. Automaton has 21530 states and 29665 transitions. Word has length 213 [2024-11-28 04:04:23,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:04:23,698 INFO L471 AbstractCegarLoop]: Abstraction has 21530 states and 29665 transitions. [2024-11-28 04:04:23,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-28 04:04:23,698 INFO L276 IsEmpty]: Start isEmpty. Operand 21530 states and 29665 transitions. [2024-11-28 04:04:23,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-28 04:04:23,726 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:04:23,727 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 6, 6, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:04:23,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:04:23,728 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:04:23,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:04:23,728 INFO L85 PathProgramCache]: Analyzing trace with hash -2049568653, now seen corresponding path program 1 times [2024-11-28 04:04:23,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:04:23,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855170695] [2024-11-28 04:04:23,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:04:23,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:04:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:04:28,427 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-28 04:04:28,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:04:28,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855170695] [2024-11-28 04:04:28,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855170695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:04:28,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:04:28,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:04:28,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846824953] [2024-11-28 04:04:28,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:04:28,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:04:28,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:04:28,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:04:28,430 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:04:28,431 INFO L87 Difference]: Start difference. First operand 21530 states and 29665 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-11-28 04:04:32,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:34,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:04:34,808 INFO L93 Difference]: Finished difference Result 58488 states and 80882 transitions. [2024-11-28 04:04:34,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:04:34,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 261 [2024-11-28 04:04:34,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:04:35,023 INFO L225 Difference]: With dead ends: 58488 [2024-11-28 04:04:35,024 INFO L226 Difference]: Without dead ends: 36981 [2024-11-28 04:04:35,087 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:04:35,088 INFO L435 NwaCegarLoop]: 2629 mSDtfsCounter, 2286 mSDsluCounter, 2539 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2286 SdHoareTripleChecker+Valid, 5168 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:04:35,089 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2286 Valid, 5168 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-11-28 04:04:35,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36981 states. [2024-11-28 04:04:36,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36981 to 36969. [2024-11-28 04:04:36,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36969 states, 27668 states have (on average 1.3155631053925112) internal successors, (36399), 28052 states have internal predecessors, (36399), 7328 states have call successors, (7328), 1992 states have call predecessors, (7328), 1972 states have return successors, (7426), 7162 states have call predecessors, (7426), 7328 states have call successors, (7426) [2024-11-28 04:04:36,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36969 states to 36969 states and 51153 transitions. [2024-11-28 04:04:36,640 INFO L78 Accepts]: Start accepts. Automaton has 36969 states and 51153 transitions. Word has length 261 [2024-11-28 04:04:36,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:04:36,641 INFO L471 AbstractCegarLoop]: Abstraction has 36969 states and 51153 transitions. [2024-11-28 04:04:36,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-11-28 04:04:36,642 INFO L276 IsEmpty]: Start isEmpty. Operand 36969 states and 51153 transitions. [2024-11-28 04:04:36,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-11-28 04:04:36,652 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:04:36,652 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 9, 9, 9, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:04:36,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:04:36,653 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:04:36,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:04:36,653 INFO L85 PathProgramCache]: Analyzing trace with hash -2108601574, now seen corresponding path program 1 times [2024-11-28 04:04:36,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:04:36,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038309395] [2024-11-28 04:04:36,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:04:36,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:04:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:04:41,490 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2024-11-28 04:04:41,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:04:41,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038309395] [2024-11-28 04:04:41,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038309395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:04:41,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:04:41,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:04:41,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846653885] [2024-11-28 04:04:41,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:04:41,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:04:41,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:04:41,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:04:41,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:04:41,496 INFO L87 Difference]: Start difference. First operand 36969 states and 51153 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-28 04:04:45,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:47,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:04:47,879 INFO L93 Difference]: Finished difference Result 86673 states and 119955 transitions. [2024-11-28 04:04:47,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:04:47,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 247 [2024-11-28 04:04:47,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:04:48,258 INFO L225 Difference]: With dead ends: 86673 [2024-11-28 04:04:48,258 INFO L226 Difference]: Without dead ends: 49783 [2024-11-28 04:04:48,409 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:04:48,410 INFO L435 NwaCegarLoop]: 3745 mSDtfsCounter, 1795 mSDsluCounter, 2549 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1795 SdHoareTripleChecker+Valid, 6294 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:04:48,411 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1795 Valid, 6294 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-11-28 04:04:48,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49783 states. [2024-11-28 04:04:50,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49783 to 49765. [2024-11-28 04:04:50,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49765 states, 37344 states have (on average 1.3151510282776349) internal successors, (49113), 37840 states have internal predecessors, (49113), 9714 states have call successors, (9714), 2726 states have call predecessors, (9714), 2706 states have return successors, (9812), 9512 states have call predecessors, (9812), 9714 states have call successors, (9812) [2024-11-28 04:04:51,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49765 states to 49765 states and 68639 transitions. [2024-11-28 04:04:51,327 INFO L78 Accepts]: Start accepts. Automaton has 49765 states and 68639 transitions. Word has length 247 [2024-11-28 04:04:51,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:04:51,332 INFO L471 AbstractCegarLoop]: Abstraction has 49765 states and 68639 transitions. [2024-11-28 04:04:51,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-28 04:04:51,332 INFO L276 IsEmpty]: Start isEmpty. Operand 49765 states and 68639 transitions. [2024-11-28 04:04:51,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-28 04:04:51,347 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:04:51,347 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 6, 6, 6, 4, 4, 4, 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] [2024-11-28 04:04:51,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:04:51,348 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:04:51,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:04:51,349 INFO L85 PathProgramCache]: Analyzing trace with hash -827710568, now seen corresponding path program 1 times [2024-11-28 04:04:51,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:04:51,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304152725] [2024-11-28 04:04:51,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:04:51,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:04:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:04:57,313 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2024-11-28 04:04:57,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:04:57,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304152725] [2024-11-28 04:04:57,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304152725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:04:57,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:04:57,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:04:57,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669311283] [2024-11-28 04:04:57,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:04:57,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:04:57,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:04:57,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:04:57,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:04:57,317 INFO L87 Difference]: Start difference. First operand 49765 states and 68639 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-28 04:05:01,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:05:04,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:05:04,348 INFO L93 Difference]: Finished difference Result 146737 states and 202705 transitions. [2024-11-28 04:05:04,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:05:04,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 274 [2024-11-28 04:05:04,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:05:04,983 INFO L225 Difference]: With dead ends: 146737 [2024-11-28 04:05:04,983 INFO L226 Difference]: Without dead ends: 97051 [2024-11-28 04:05:05,231 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:05:05,232 INFO L435 NwaCegarLoop]: 5099 mSDtfsCounter, 2522 mSDsluCounter, 2592 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2522 SdHoareTripleChecker+Valid, 7691 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:05:05,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2522 Valid, 7691 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-28 04:05:05,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97051 states. [2024-11-28 04:05:09,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97051 to 97049. [2024-11-28 04:05:09,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97049 states, 73034 states have (on average 1.3176191910616972) internal successors, (96231), 73946 states have internal predecessors, (96231), 18794 states have call successors, (18794), 5260 states have call predecessors, (18794), 5220 states have return successors, (18990), 18470 states have call predecessors, (18990), 18794 states have call successors, (18990) [2024-11-28 04:05:09,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97049 states to 97049 states and 134015 transitions. [2024-11-28 04:05:09,990 INFO L78 Accepts]: Start accepts. Automaton has 97049 states and 134015 transitions. Word has length 274 [2024-11-28 04:05:09,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:05:09,995 INFO L471 AbstractCegarLoop]: Abstraction has 97049 states and 134015 transitions. [2024-11-28 04:05:09,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-28 04:05:09,996 INFO L276 IsEmpty]: Start isEmpty. Operand 97049 states and 134015 transitions. [2024-11-28 04:05:10,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-28 04:05:10,008 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:05:10,008 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 6, 6, 6, 4, 4, 4, 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] [2024-11-28 04:05:10,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:05:10,009 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:05:10,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:05:10,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1819893786, now seen corresponding path program 1 times [2024-11-28 04:05:10,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:05:10,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536371889] [2024-11-28 04:05:10,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:05:10,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:05:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:05:15,809 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2024-11-28 04:05:15,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:05:15,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536371889] [2024-11-28 04:05:15,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536371889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:05:15,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:05:15,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:05:15,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204720007] [2024-11-28 04:05:15,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:05:15,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:05:15,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:05:15,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:05:15,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:05:15,815 INFO L87 Difference]: Start difference. First operand 97049 states and 134015 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-28 04:05:19,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []