./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.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_f46fbf96-f053-418a-890c-732d07bd402a/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46fbf96-f053-418a-890c-732d07bd402a/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_f46fbf96-f053-418a-890c-732d07bd402a/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46fbf96-f053-418a-890c-732d07bd402a/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46fbf96-f053-418a-890c-732d07bd402a/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_f46fbf96-f053-418a-890c-732d07bd402a/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 983ce5e5a67d7f1a953a7dc1806bc74e6e7b7100ad78daf1e74f2f1bd8e39c48 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:06:50,568 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:06:50,672 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46fbf96-f053-418a-890c-732d07bd402a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 02:06:50,678 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:06:50,678 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:06:50,713 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:06:50,714 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:06:50,714 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:06:50,715 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:06:50,716 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:06:50,716 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:06:50,717 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:06:50,717 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:06:50,717 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:06:50,718 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:06:50,718 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:06:50,719 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:06:50,719 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:06:50,719 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:06:50,719 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:06:50,719 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:06:50,719 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:06:50,719 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:06:50,719 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:06:50,719 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:06:50,719 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:06:50,720 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:06:50,720 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:06:50,720 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:06:50,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:06:50,720 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:06:50,721 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:06:50,721 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:06:50,721 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:06:50,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:06:50,721 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:06:50,721 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:06:50,721 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:06:50,721 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:06:50,721 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:06:50,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:06:50,721 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:06:50,721 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:06:50,721 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:06:50,722 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:06:50,722 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_f46fbf96-f053-418a-890c-732d07bd402a/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 -> 983ce5e5a67d7f1a953a7dc1806bc74e6e7b7100ad78daf1e74f2f1bd8e39c48 [2024-11-28 02:06:51,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:06:51,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:06:51,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:06:51,110 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:06:51,110 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:06:51,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46fbf96-f053-418a-890c-732d07bd402a/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i [2024-11-28 02:06:54,183 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46fbf96-f053-418a-890c-732d07bd402a/bin/uautomizer-verify-aQ6SnzHsRB/data/0d3137c70/d6708c59f22e427cb64577fcad5e9d3d/FLAG0d384120e [2024-11-28 02:06:54,837 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:06:54,837 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46fbf96-f053-418a-890c-732d07bd402a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i [2024-11-28 02:06:54,882 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46fbf96-f053-418a-890c-732d07bd402a/bin/uautomizer-verify-aQ6SnzHsRB/data/0d3137c70/d6708c59f22e427cb64577fcad5e9d3d/FLAG0d384120e [2024-11-28 02:06:54,902 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46fbf96-f053-418a-890c-732d07bd402a/bin/uautomizer-verify-aQ6SnzHsRB/data/0d3137c70/d6708c59f22e427cb64577fcad5e9d3d [2024-11-28 02:06:54,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:06:54,905 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:06:54,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:06:54,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:06:54,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:06:54,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:06:54" (1/1) ... [2024-11-28 02:06:54,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7db07d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:54, skipping insertion in model container [2024-11-28 02:06:54,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:06:54" (1/1) ... [2024-11-28 02:06:55,042 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:06:56,786 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_f46fbf96-f053-418a-890c-732d07bd402a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i[239406,239419] [2024-11-28 02:06:56,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:06:56,895 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:06:57,075 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"); [5698] [2024-11-28 02:06:57,077 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)); [5705] [2024-11-28 02:06:57,090 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 *)"./arch/x86/include/asm/paravirt.h"), "i" (831), "i" (12UL)); [5838-5839] [2024-11-28 02:06:57,092 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" (43UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5844-5846] [2024-11-28 02:06:57,093 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 *)"./arch/x86/include/asm/paravirt.h"), "i" (836), "i" (12UL)); [5868-5869] [2024-11-28 02:06:57,094 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.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [5874-5876] [2024-11-28 02:06:57,123 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 *)"./arch/x86/include/asm/paravirt.h"), "i" (841), "i" (12UL)); [5897-5898] [2024-11-28 02:06:57,124 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" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5903-5905] [2024-11-28 02:06:57,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5969] [2024-11-28 02:06:57,127 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5977] [2024-11-28 02:06:57,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5984] [2024-11-28 02:06:57,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5992] [2024-11-28 02:06:57,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [6000] [2024-11-28 02:06:57,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; outsl": "+S" (addr), "+c" (count): "d" (port)); [6007] [2024-11-28 02:06:57,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; insl": "+D" (addr), "+c" (count): "d" (port)); [6014] [2024-11-28 02:06:57,323 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_f46fbf96-f053-418a-890c-732d07bd402a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i[239406,239419] [2024-11-28 02:06:57,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:06:57,520 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:06:57,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:57 WrapperNode [2024-11-28 02:06:57,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:06:57,524 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:06:57,524 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:06:57,524 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:06:57,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:57" (1/1) ... [2024-11-28 02:06:57,603 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:57" (1/1) ... [2024-11-28 02:06:57,796 INFO L138 Inliner]: procedures = 178, calls = 1239, calls flagged for inlining = 86, calls inlined = 83, statements flattened = 2947 [2024-11-28 02:06:57,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:06:57,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:06:57,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:06:57,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:06:57,811 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:57" (1/1) ... [2024-11-28 02:06:57,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:57" (1/1) ... [2024-11-28 02:06:57,852 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:57" (1/1) ... [2024-11-28 02:06:58,101 INFO L175 MemorySlicer]: Split 680 memory accesses to 20 slices as follows [2, 4, 25, 4, 4, 1, 410, 35, 5, 16, 6, 5, 3, 8, 3, 6, 21, 48, 70, 4]. 60 percent of accesses are in the largest equivalence class. The 103 initializations are split as follows [2, 4, 25, 0, 0, 0, 5, 0, 5, 16, 6, 0, 3, 8, 0, 4, 21, 0, 0, 4]. The 438 writes are split as follows [0, 0, 0, 2, 0, 0, 294, 30, 0, 0, 0, 4, 0, 0, 0, 0, 0, 48, 60, 0]. [2024-11-28 02:06:58,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:57" (1/1) ... [2024-11-28 02:06:58,109 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:57" (1/1) ... [2024-11-28 02:06:58,258 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:57" (1/1) ... [2024-11-28 02:06:58,269 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:57" (1/1) ... [2024-11-28 02:06:58,302 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:57" (1/1) ... [2024-11-28 02:06:58,338 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:57" (1/1) ... [2024-11-28 02:06:58,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:57" (1/1) ... [2024-11-28 02:06:58,393 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:06:58,394 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:06:58,395 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:06:58,395 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:06:58,397 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:57" (1/1) ... [2024-11-28 02:06:58,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:06:58,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46fbf96-f053-418a-890c-732d07bd402a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:58,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46fbf96-f053-418a-890c-732d07bd402a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:58,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46fbf96-f053-418a-890c-732d07bd402a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:06:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 02:06:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 02:06:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 02:06:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 02:06:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 02:06:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 02:06:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 02:06:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 02:06:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 02:06:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 02:06:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 02:06:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 02:06:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 02:06:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 02:06:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 02:06:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 02:06:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-28 02:06:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-28 02:06:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-28 02:06:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-28 02:06:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure el3_config [2024-11-28 02:06:58,488 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_config [2024-11-28 02:06:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 02:06:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 02:06:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 02:06:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 02:06:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 02:06:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 02:06:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 02:06:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 02:06:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 02:06:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 02:06:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 02:06:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 02:06:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 02:06:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 02:06:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-28 02:06:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-28 02:06:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-28 02:06:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-28 02:06:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-28 02:06:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-28 02:06:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 02:06:58,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 02:06:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:06:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 02:06:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 02:06:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 02:06:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 02:06:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 02:06:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 02:06:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 02:06:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 02:06:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 02:06:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 02:06:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 02:06:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 02:06:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 02:06:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 02:06:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 02:06:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 02:06:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-28 02:06:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-28 02:06:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-28 02:06:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-28 02:06:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-28 02:06:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2024-11-28 02:06:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2024-11-28 02:06:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2024-11-28 02:06:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2024-11-28 02:06:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-28 02:06:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-28 02:06:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-28 02:06:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-28 02:06:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 02:06:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 02:06:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-28 02:06:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-28 02:06:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2024-11-28 02:06:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2024-11-28 02:06:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-28 02:06:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-28 02:06:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 02:06:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 02:06:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 02:06:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 02:06:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 02:06:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 02:06:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 02:06:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 02:06:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 02:06:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 02:06:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 02:06:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 02:06:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 02:06:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 02:06:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 02:06:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 02:06:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 02:06:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-28 02:06:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-28 02:06:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-28 02:06:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2024-11-28 02:06:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2024-11-28 02:06:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-28 02:06:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-28 02:06:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-28 02:06:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-28 02:06:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 02:06:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 02:06:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-28 02:06:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-28 02:06:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:06:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:06:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-28 02:06:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-28 02:06:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 02:06:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_reset [2024-11-28 02:06:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_reset [2024-11-28 02:06:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:06:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2024-11-28 02:06:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2024-11-28 02:06:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_dev_present [2024-11-28 02:06:58,503 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_dev_present [2024-11-28 02:06:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2024-11-28 02:06:58,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2024-11-28 02:06:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 02:06:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 02:06:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 02:06:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 02:06:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 02:06:58,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 02:06:58,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 02:06:58,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 02:06:58,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 02:06:58,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 02:06:58,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 02:06:58,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 02:06:58,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 02:06:58,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 02:06:58,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 02:06:58,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 02:06:58,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-28 02:06:58,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-28 02:06:58,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-28 02:06:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-28 02:06:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-28 02:06:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-11-28 02:06:58,506 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-11-28 02:06:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure el3_rx [2024-11-28 02:06:58,506 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_rx [2024-11-28 02:06:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2024-11-28 02:06:58,506 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2024-11-28 02:06:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 02:06:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 02:06:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 02:06:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 02:06:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 02:06:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 02:06:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 02:06:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 02:06:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 02:06:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 02:06:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 02:06:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 02:06:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 02:06:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 02:06:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 02:06:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-28 02:06:58,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-28 02:06:58,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-28 02:06:58,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-28 02:06:58,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-28 02:06:58,507 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-28 02:06:58,507 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-28 02:06:58,507 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-28 02:06:58,507 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-28 02:06:58,507 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_set_xcvr [2024-11-28 02:06:58,507 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_set_xcvr [2024-11-28 02:06:58,507 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_release [2024-11-28 02:06:58,507 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_release [2024-11-28 02:06:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2024-11-28 02:06:58,509 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2024-11-28 02:06:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-28 02:06:58,509 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-28 02:06:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-28 02:06:58,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-28 02:06:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure el3_get_stats [2024-11-28 02:06:58,510 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_get_stats [2024-11-28 02:06:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-28 02:06:58,510 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-28 02:06:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_detach [2024-11-28 02:06:58,511 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_detach [2024-11-28 02:06:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_wait_for_completion [2024-11-28 02:06:58,511 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_wait_for_completion [2024-11-28 02:06:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 02:06:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 02:06:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 02:06:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 02:06:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 02:06:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 02:06:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 02:06:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 02:06:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 02:06:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 02:06:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-28 02:06:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-28 02:06:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-28 02:06:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-28 02:06:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-28 02:06:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-28 02:06:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-28 02:06:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-28 02:06:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-28 02:06:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-28 02:06:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-28 02:06:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2024-11-28 02:06:58,512 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2024-11-28 02:06:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-28 02:06:58,512 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-28 02:06:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-11-28 02:06:58,512 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-11-28 02:06:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-28 02:06:58,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-28 02:06:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-28 02:06:58,513 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-28 02:06:58,513 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-11-28 02:06:58,513 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-11-28 02:06:58,513 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2024-11-28 02:06:58,513 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2024-11-28 02:06:58,513 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-28 02:06:58,513 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-28 02:06:58,513 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-28 02:06:58,513 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-28 02:06:58,513 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-28 02:06:58,513 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-28 02:06:58,513 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-28 02:06:58,515 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-28 02:06:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure pop_tx_status [2024-11-28 02:06:58,515 INFO L138 BoogieDeclarations]: Found implementation of procedure pop_tx_status [2024-11-28 02:06:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:06:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 02:06:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 02:06:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 02:06:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 02:06:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 02:06:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 02:06:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 02:06:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 02:06:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 02:06:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 02:06:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 02:06:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 02:06:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 02:06:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 02:06:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 02:06:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 02:06:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-28 02:06:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-28 02:06:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-28 02:06:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2024-11-28 02:06:58,517 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2024-11-28 02:06:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:06:58,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:06:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure el3_tx_timeout [2024-11-28 02:06:58,517 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_tx_timeout [2024-11-28 02:06:59,254 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:06:59,272 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:06:59,372 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 02:07:11,960 INFO L? ?]: Removed 959 outVars from TransFormulas that were not future-live. [2024-11-28 02:07:11,961 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:07:12,008 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:07:12,008 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 02:07:12,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:07:12 BoogieIcfgContainer [2024-11-28 02:07:12,009 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:07:12,015 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:07:12,017 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:07:12,023 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:07:12,023 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:06:54" (1/3) ... [2024-11-28 02:07:12,024 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf0a781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:07:12, skipping insertion in model container [2024-11-28 02:07:12,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:57" (2/3) ... [2024-11-28 02:07:12,025 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf0a781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:07:12, skipping insertion in model container [2024-11-28 02:07:12,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:07:12" (3/3) ... [2024-11-28 02:07:12,027 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i [2024-11-28 02:07:12,045 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:07:12,048 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i that has 51 procedures, 1078 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-28 02:07:12,159 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:07:12,178 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;@4c2acbd4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:07:12,179 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:07:12,186 INFO L276 IsEmpty]: Start isEmpty. Operand has 1077 states, 757 states have (on average 1.40554821664465) internal successors, (1064), 816 states have internal predecessors, (1064), 269 states have call successors, (269), 50 states have call predecessors, (269), 49 states have return successors, (263), 251 states have call predecessors, (263), 263 states have call successors, (263) [2024-11-28 02:07:12,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-28 02:07:12,247 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:12,248 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 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] [2024-11-28 02:07:12,249 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:12,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:12,255 INFO L85 PathProgramCache]: Analyzing trace with hash -333498563, now seen corresponding path program 1 times [2024-11-28 02:07:12,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:12,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257265011] [2024-11-28 02:07:12,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:12,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:23,754 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-28 02:07:23,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:23,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257265011] [2024-11-28 02:07:23,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257265011] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:07:23,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957624420] [2024-11-28 02:07:23,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:23,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:23,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46fbf96-f053-418a-890c-732d07bd402a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:23,760 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46fbf96-f053-418a-890c-732d07bd402a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:07:23,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46fbf96-f053-418a-890c-732d07bd402a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:07:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:33,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 4645 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:07:33,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:33,088 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-28 02:07:33,088 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:07:33,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1957624420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:33,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:07:33,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:07:33,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000920647] [2024-11-28 02:07:33,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:33,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:07:33,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:33,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:07:33,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:07:33,129 INFO L87 Difference]: Start difference. First operand has 1077 states, 757 states have (on average 1.40554821664465) internal successors, (1064), 816 states have internal predecessors, (1064), 269 states have call successors, (269), 50 states have call predecessors, (269), 49 states have return successors, (263), 251 states have call predecessors, (263), 263 states have call successors, (263) Second operand has 2 states, 2 states have (on average 50.5) internal successors, (101), 2 states have internal predecessors, (101), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 02:07:33,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:33,293 INFO L93 Difference]: Finished difference Result 2149 states and 3220 transitions. [2024-11-28 02:07:33,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:07:33,297 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 50.5) internal successors, (101), 2 states have internal predecessors, (101), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 210 [2024-11-28 02:07:33,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:33,327 INFO L225 Difference]: With dead ends: 2149 [2024-11-28 02:07:33,327 INFO L226 Difference]: Without dead ends: 1058 [2024-11-28 02:07:33,344 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:07:33,349 INFO L435 NwaCegarLoop]: 1587 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1587 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:33,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1587 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:07:33,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2024-11-28 02:07:33,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 1058. [2024-11-28 02:07:33,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 746 states have (on average 1.3873994638069704) internal successors, (1035), 797 states have internal predecessors, (1035), 263 states have call successors, (263), 49 states have call predecessors, (263), 48 states have return successors, (262), 250 states have call predecessors, (262), 262 states have call successors, (262) [2024-11-28 02:07:33,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1560 transitions. [2024-11-28 02:07:33,512 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1560 transitions. Word has length 210 [2024-11-28 02:07:33,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:33,513 INFO L471 AbstractCegarLoop]: Abstraction has 1058 states and 1560 transitions. [2024-11-28 02:07:33,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 50.5) internal successors, (101), 2 states have internal predecessors, (101), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 02:07:33,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1560 transitions. [2024-11-28 02:07:33,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-28 02:07:33,536 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:33,536 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 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] [2024-11-28 02:07:33,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46fbf96-f053-418a-890c-732d07bd402a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:07:33,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46fbf96-f053-418a-890c-732d07bd402a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 02:07:33,737 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:33,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:33,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1937835500, now seen corresponding path program 1 times [2024-11-28 02:07:33,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:33,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317741334] [2024-11-28 02:07:33,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:33,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:43,032 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-11-28 02:07:43,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:43,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317741334] [2024-11-28 02:07:43,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317741334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:43,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:43,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:07:43,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556582997] [2024-11-28 02:07:43,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:43,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:07:43,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:43,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:07:43,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:43,037 INFO L87 Difference]: Start difference. First operand 1058 states and 1560 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 02:07:47,118 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 02:08:03,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:08:03,099 INFO L93 Difference]: Finished difference Result 5217 states and 7708 transitions. [2024-11-28 02:08:03,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:08:03,099 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 209 [2024-11-28 02:08:03,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:08:03,134 INFO L225 Difference]: With dead ends: 5217 [2024-11-28 02:08:03,134 INFO L226 Difference]: Without dead ends: 4176 [2024-11-28 02:08:03,142 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:08:03,144 INFO L435 NwaCegarLoop]: 1580 mSDtfsCounter, 4620 mSDsluCounter, 5318 mSDsCounter, 0 mSdLazyCounter, 1592 mSolverCounterSat, 27 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4620 SdHoareTripleChecker+Valid, 6898 SdHoareTripleChecker+Invalid, 1620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1592 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:08:03,144 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4620 Valid, 6898 Invalid, 1620 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [27 Valid, 1592 Invalid, 1 Unknown, 0 Unchecked, 19.6s Time] [2024-11-28 02:08:03,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4176 states. [2024-11-28 02:08:03,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4176 to 4166. [2024-11-28 02:08:03,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4166 states, 2942 states have (on average 1.3885112168592795) internal successors, (4085), 3143 states have internal predecessors, (4085), 1031 states have call successors, (1031), 193 states have call predecessors, (1031), 192 states have return successors, (1036), 985 states have call predecessors, (1036), 1030 states have call successors, (1036) [2024-11-28 02:08:03,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4166 states to 4166 states and 6152 transitions. [2024-11-28 02:08:03,469 INFO L78 Accepts]: Start accepts. Automaton has 4166 states and 6152 transitions. Word has length 209 [2024-11-28 02:08:03,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:08:03,471 INFO L471 AbstractCegarLoop]: Abstraction has 4166 states and 6152 transitions. [2024-11-28 02:08:03,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 02:08:03,471 INFO L276 IsEmpty]: Start isEmpty. Operand 4166 states and 6152 transitions. [2024-11-28 02:08:03,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-28 02:08:03,482 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:08:03,483 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 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] [2024-11-28 02:08:03,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:08:03,486 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:08:03,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:03,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1014062276, now seen corresponding path program 1 times [2024-11-28 02:08:03,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:03,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767219201] [2024-11-28 02:08:03,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:03,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:12,736 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-11-28 02:08:12,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:12,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767219201] [2024-11-28 02:08:12,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767219201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:12,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:12,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:08:12,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120431925] [2024-11-28 02:08:12,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:12,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:08:12,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:12,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:08:12,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:08:12,739 INFO L87 Difference]: Start difference. First operand 4166 states and 6152 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 02:08:16,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:08:30,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:08:30,268 INFO L93 Difference]: Finished difference Result 20716 states and 30626 transitions. [2024-11-28 02:08:30,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:08:30,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 207 [2024-11-28 02:08:30,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:08:30,414 INFO L225 Difference]: With dead ends: 20716 [2024-11-28 02:08:30,414 INFO L226 Difference]: Without dead ends: 16567 [2024-11-28 02:08:30,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:08:30,450 INFO L435 NwaCegarLoop]: 1587 mSDtfsCounter, 5586 mSDsluCounter, 4332 mSDsCounter, 0 mSdLazyCounter, 1067 mSolverCounterSat, 517 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5586 SdHoareTripleChecker+Valid, 5919 SdHoareTripleChecker+Invalid, 1585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 517 IncrementalHoareTripleChecker+Valid, 1067 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:08:30,451 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5586 Valid, 5919 Invalid, 1585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [517 Valid, 1067 Invalid, 1 Unknown, 0 Unchecked, 16.9s Time] [2024-11-28 02:08:30,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16567 states. [2024-11-28 02:08:31,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16567 to 16542. [2024-11-28 02:08:31,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16542 states, 11695 states have (on average 1.3866609662248823) internal successors, (16217), 12475 states have internal predecessors, (16217), 4086 states have call successors, (4086), 765 states have call predecessors, (4086), 760 states have return successors, (4105), 3909 states have call predecessors, (4105), 4085 states have call successors, (4105) [2024-11-28 02:08:31,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16542 states to 16542 states and 24408 transitions. [2024-11-28 02:08:31,569 INFO L78 Accepts]: Start accepts. Automaton has 16542 states and 24408 transitions. Word has length 207 [2024-11-28 02:08:31,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:08:31,570 INFO L471 AbstractCegarLoop]: Abstraction has 16542 states and 24408 transitions. [2024-11-28 02:08:31,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 02:08:31,571 INFO L276 IsEmpty]: Start isEmpty. Operand 16542 states and 24408 transitions. [2024-11-28 02:08:31,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-28 02:08:31,578 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:08:31,578 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 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] [2024-11-28 02:08:31,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:08:31,579 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:08:31,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:31,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1749139513, now seen corresponding path program 1 times [2024-11-28 02:08:31,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:31,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472797733] [2024-11-28 02:08:31,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:31,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:41,101 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-11-28 02:08:41,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:41,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472797733] [2024-11-28 02:08:41,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472797733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:41,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:41,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:08:41,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612390133] [2024-11-28 02:08:41,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:41,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:08:41,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:41,105 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:08:41,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:08:41,105 INFO L87 Difference]: Start difference. First operand 16542 states and 24408 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 02:08:45,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:08:58,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:08:58,148 INFO L93 Difference]: Finished difference Result 82594 states and 121892 transitions. [2024-11-28 02:08:58,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:08:58,149 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 210 [2024-11-28 02:08:58,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:08:58,562 INFO L225 Difference]: With dead ends: 82594 [2024-11-28 02:08:58,562 INFO L226 Difference]: Without dead ends: 66069 [2024-11-28 02:08:58,672 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:08:58,674 INFO L435 NwaCegarLoop]: 1567 mSDtfsCounter, 5608 mSDsluCounter, 4332 mSDsCounter, 0 mSdLazyCounter, 1069 mSolverCounterSat, 519 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5608 SdHoareTripleChecker+Valid, 5899 SdHoareTripleChecker+Invalid, 1589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 519 IncrementalHoareTripleChecker+Valid, 1069 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:08:58,675 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5608 Valid, 5899 Invalid, 1589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [519 Valid, 1069 Invalid, 1 Unknown, 0 Unchecked, 15.7s Time] [2024-11-28 02:08:58,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66069 states. [2024-11-28 02:09:01,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66069 to 66056. [2024-11-28 02:09:01,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66056 states, 46737 states have (on average 1.3848770781179793) internal successors, (64725), 49809 states have internal predecessors, (64725), 16278 states have call successors, (16278), 3057 states have call predecessors, (16278), 3040 states have return successors, (16381), 15621 states have call predecessors, (16381), 16277 states have call successors, (16381) [2024-11-28 02:09:02,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66056 states to 66056 states and 97384 transitions. [2024-11-28 02:09:02,274 INFO L78 Accepts]: Start accepts. Automaton has 66056 states and 97384 transitions. Word has length 210 [2024-11-28 02:09:02,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:09:02,275 INFO L471 AbstractCegarLoop]: Abstraction has 66056 states and 97384 transitions. [2024-11-28 02:09:02,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 02:09:02,276 INFO L276 IsEmpty]: Start isEmpty. Operand 66056 states and 97384 transitions. [2024-11-28 02:09:02,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-28 02:09:02,285 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:09:02,286 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 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] [2024-11-28 02:09:02,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:09:02,287 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:09:02,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:02,287 INFO L85 PathProgramCache]: Analyzing trace with hash -2139596705, now seen corresponding path program 1 times [2024-11-28 02:09:02,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:09:02,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871602347] [2024-11-28 02:09:02,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:02,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:12,163 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-11-28 02:09:12,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:09:12,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871602347] [2024-11-28 02:09:12,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871602347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:09:12,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:09:12,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:09:12,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688196663] [2024-11-28 02:09:12,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:09:12,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:09:12,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:09:12,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:09:12,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:09:12,167 INFO L87 Difference]: Start difference. First operand 66056 states and 97384 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 02:09:16,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:09:33,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:09:33,031 INFO L93 Difference]: Finished difference Result 302891 states and 444399 transitions. [2024-11-28 02:09:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:09:33,031 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 208 [2024-11-28 02:09:33,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:09:34,692 INFO L225 Difference]: With dead ends: 302891 [2024-11-28 02:09:34,692 INFO L226 Difference]: Without dead ends: 236852 [2024-11-28 02:09:35,086 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:09:35,087 INFO L435 NwaCegarLoop]: 1569 mSDtfsCounter, 6618 mSDsluCounter, 3559 mSDsCounter, 0 mSdLazyCounter, 1065 mSolverCounterSat, 1045 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6618 SdHoareTripleChecker+Valid, 5128 SdHoareTripleChecker+Invalid, 2111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1045 IncrementalHoareTripleChecker+Valid, 1065 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:09:35,088 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6618 Valid, 5128 Invalid, 2111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1045 Valid, 1065 Invalid, 1 Unknown, 0 Unchecked, 15.8s Time] [2024-11-28 02:09:35,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236852 states.