./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--ti--tlan.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_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1 --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 ce325f4ff1788f2d8ca80356031365ee1e58fdb049a8eab5ed2a52f93708aefb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:54:10,896 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:54:10,950 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 14:54:10,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:54:10,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:54:10,976 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:54:10,976 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:54:10,977 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:54:10,977 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:54:10,977 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:54:10,977 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:54:10,977 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:54:10,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:54:10,978 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:54:10,978 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:54:10,978 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:54:10,978 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:54:10,978 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:54:10,978 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:54:10,978 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:54:10,978 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:54:10,978 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:54:10,978 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:54:10,979 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:54:10,979 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:54:10,979 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:54:10,979 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:54:10,979 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:54:10,979 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:54:10,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:54:10,979 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:54:10,979 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:54:10,979 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:54:10,979 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:54:10,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:54:10,980 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:54:10,980 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:54:10,980 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:54:10,980 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:54:10,980 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:54:10,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:54:10,980 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:54:10,980 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:54:10,980 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:54:10,980 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:54:10,980 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_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1 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 -> ce325f4ff1788f2d8ca80356031365ee1e58fdb049a8eab5ed2a52f93708aefb [2024-12-02 14:54:11,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:54:11,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:54:11,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:54:11,230 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:54:11,230 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:54:11,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2024-12-02 14:54:13,827 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/data/139f02f44/2280b3089ec441d6b6efc6f5b89ef8dc/FLAG0d9293834 [2024-12-02 14:54:14,289 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:54:14,290 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2024-12-02 14:54:14,319 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/data/139f02f44/2280b3089ec441d6b6efc6f5b89ef8dc/FLAG0d9293834 [2024-12-02 14:54:14,408 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/data/139f02f44/2280b3089ec441d6b6efc6f5b89ef8dc [2024-12-02 14:54:14,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:54:14,411 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:54:14,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:54:14,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:54:14,416 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:54:14,417 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:54:14" (1/1) ... [2024-12-02 14:54:14,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c3b00d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:14, skipping insertion in model container [2024-12-02 14:54:14,418 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:54:14" (1/1) ... [2024-12-02 14:54:14,502 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:54:16,187 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_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i[304655,304668] [2024-12-02 14:54:16,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:54:16,290 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:54:16,390 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"); [5649] [2024-12-02 14:54:16,392 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)); [5656] [2024-12-02 14:54:16,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [5786] [2024-12-02 14:54:16,397 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5789] [2024-12-02 14:54:16,397 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5792] [2024-12-02 14:54:16,397 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5795] [2024-12-02 14:54:16,400 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5896] [2024-12-02 14:54:16,400 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5904] [2024-12-02 14:54:16,401 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5930] [2024-12-02 14:54:16,401 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5938] [2024-12-02 14:54:16,401 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5945] [2024-12-02 14:54:16,401 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5953] [2024-12-02 14:54:16,408 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [6141-6142] [2024-12-02 14:54:16,410 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6170-6171] [2024-12-02 14:54:16,579 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_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i[304655,304668] [2024-12-02 14:54:16,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:54:16,763 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:54:16,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:16 WrapperNode [2024-12-02 14:54:16,765 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:54:16,766 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:54:16,766 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:54:16,766 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:54:16,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:16" (1/1) ... [2024-12-02 14:54:16,869 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:16" (1/1) ... [2024-12-02 14:54:17,058 INFO L138 Inliner]: procedures = 301, calls = 2153, calls flagged for inlining = 146, calls inlined = 140, statements flattened = 5825 [2024-12-02 14:54:17,058 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:54:17,059 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:54:17,059 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:54:17,059 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:54:17,069 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:16" (1/1) ... [2024-12-02 14:54:17,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:16" (1/1) ... [2024-12-02 14:54:17,100 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:16" (1/1) ... [2024-12-02 14:54:17,622 INFO L175 MemorySlicer]: Split 1083 memory accesses to 22 slices as follows [2, 2, 1, 5, 915, 6, 6, 9, 9, 2, 9, 26, 7, 7, 7, 5, 5, 9, 5, 43, 1, 2]. 84 percent of accesses are in the largest equivalence class. The 97 initializations are split as follows [2, 0, 0, 5, 15, 6, 6, 8, 8, 0, 8, 0, 6, 7, 0, 5, 5, 8, 5, 0, 1, 2]. The 504 writes are split as follows [0, 0, 0, 0, 433, 0, 0, 0, 0, 1, 0, 26, 0, 0, 1, 0, 0, 0, 0, 43, 0, 0]. [2024-12-02 14:54:17,622 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:16" (1/1) ... [2024-12-02 14:54:17,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:16" (1/1) ... [2024-12-02 14:54:17,746 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:16" (1/1) ... [2024-12-02 14:54:17,758 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:16" (1/1) ... [2024-12-02 14:54:17,779 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:16" (1/1) ... [2024-12-02 14:54:17,826 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:16" (1/1) ... [2024-12-02 14:54:17,839 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:16" (1/1) ... [2024-12-02 14:54:17,890 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:54:17,891 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:54:17,891 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:54:17,891 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:54:17,893 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:16" (1/1) ... [2024-12-02 14:54:17,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:54:17,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:54:17,921 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:54:17,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:54:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_resume [2024-12-02 14:54:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_resume [2024-12-02 14:54:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_7 [2024-12-02 14:54:17,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_7 [2024-12-02 14:54:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2024-12-02 14:54:17,948 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2024-12-02 14:54:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 14:54:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 14:54:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 14:54:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 14:54:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 14:54:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 14:54:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 14:54:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 14:54:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 14:54:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 14:54:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 14:54:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 14:54:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 14:54:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 14:54:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 14:54:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 14:54:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 14:54:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 14:54:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 14:54:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 14:54:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 14:54:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-12-02 14:54:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-12-02 14:54:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-12-02 14:54:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 14:54:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 14:54:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 14:54:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 14:54:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-12-02 14:54:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-12-02 14:54:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_write_reg [2024-12-02 14:54:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_write_reg [2024-12-02 14:54:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-12-02 14:54:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-12-02 14:54:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-12-02 14:54:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-12-02 14:54:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_read_byte [2024-12-02 14:54:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_read_byte [2024-12-02 14:54:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 14:54:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 14:54:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2024-12-02 14:54:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2024-12-02 14:54:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_interrupt [2024-12-02 14:54:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_interrupt [2024-12-02 14:54:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_start [2024-12-02 14:54:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_start [2024-12-02 14:54:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read8 [2024-12-02 14:54:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read8 [2024-12-02 14:54:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 14:54:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 14:54:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-12-02 14:54:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-12-02 14:54:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2024-12-02 14:54:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2024-12-02 14:54:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2024-12-02 14:54:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2024-12-02 14:54:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-12-02 14:54:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-12-02 14:54:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2024-12-02 14:54:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2024-12-02 14:54:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 14:54:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 14:54:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 14:54:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 14:54:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 14:54:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 14:54:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 14:54:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 14:54:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 14:54:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 14:54:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 14:54:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 14:54:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 14:54:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 14:54:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 14:54:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 14:54:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-12-02 14:54:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-12-02 14:54:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-12-02 14:54:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-12-02 14:54:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-12-02 14:54:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-12-02 14:54:17,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 14:54:17,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 14:54:17,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 14:54:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 14:54:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 14:54:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 14:54:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 14:54:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 14:54:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 14:54:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 14:54:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 14:54:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 14:54:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 14:54:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 14:54:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 14:54:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 14:54:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-12-02 14:54:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-12-02 14:54:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-12-02 14:54:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-12-02 14:54:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-12-02 14:54:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-12-02 14:54:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_read_and_clear_stats [2024-12-02 14:54:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_read_and_clear_stats [2024-12-02 14:54:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ioctl [2024-12-02 14:54:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ioctl [2024-12-02 14:54:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:54:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:54:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-12-02 14:54:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-12-02 14:54:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2024-12-02 14:54:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2024-12-02 14:54:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-12-02 14:54:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-12-02 14:54:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_sync [2024-12-02 14:54:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_sync [2024-12-02 14:54:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 14:54:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_multicast_list [2024-12-02 14:54:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_multicast_list [2024-12-02 14:54:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-12-02 14:54:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-12-02 14:54:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2024-12-02 14:54:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2024-12-02 14:54:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 14:54:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 14:54:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 14:54:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 14:54:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 14:54:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 14:54:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 14:54:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 14:54:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 14:54:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 14:54:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 14:54:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 14:54:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 14:54:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 14:54:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 14:54:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 14:54:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 14:54:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 14:54:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 14:54:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 14:54:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 14:54:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-12-02 14:54:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-12-02 14:54:17,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-12-02 14:54:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-12-02 14:54:17,957 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-12-02 14:54:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-12-02 14:54:17,957 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-12-02 14:54:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_stats [2024-12-02 14:54:17,957 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_stats [2024-12-02 14:54:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 14:54:17,957 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 14:54:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-12-02 14:54:17,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-12-02 14:54:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-12-02 14:54:17,957 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-12-02 14:54:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-12-02 14:54:17,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-12-02 14:54:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 14:54:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 14:54:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 14:54:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 14:54:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 14:54:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 14:54:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 14:54:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 14:54:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 14:54:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 14:54:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 14:54:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 14:54:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 14:54:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 14:54:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 14:54:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 14:54:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 14:54:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 14:54:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 14:54:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 14:54:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-12-02 14:54:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-12-02 14:54:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-12-02 14:54:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 14:54:17,958 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 14:54:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_print_list [2024-12-02 14:54:17,958 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_print_list [2024-12-02 14:54:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-12-02 14:54:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-12-02 14:54:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write16 [2024-12-02 14:54:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write16 [2024-12-02 14:54:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-12-02 14:54:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-12-02 14:54:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2024-12-02 14:54:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2024-12-02 14:54:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 14:54:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 14:54:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-12-02 14:54:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-12-02 14:54:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 14:54:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 14:54:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-12-02 14:54:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-12-02 14:54:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2024-12-02 14:54:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2024-12-02 14:54:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_lists [2024-12-02 14:54:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_lists [2024-12-02 14:54:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_finish_reset [2024-12-02 14:54:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_finish_reset [2024-12-02 14:54:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 14:54:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 14:54:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_print [2024-12-02 14:54:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_print [2024-12-02 14:54:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write32 [2024-12-02 14:54:17,960 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write32 [2024-12-02 14:54:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 14:54:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 14:54:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 14:54:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 14:54:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 14:54:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 14:54:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 14:54:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 14:54:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 14:54:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 14:54:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 14:54:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 14:54:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 14:54:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 14:54:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 14:54:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 14:54:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 14:54:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 14:54:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 14:54:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 14:54:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 14:54:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-12-02 14:54:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_probe1 [2024-12-02 14:54:17,960 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_probe1 [2024-12-02 14:54:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 14:54:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 14:54:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 14:54:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 14:54:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 14:54:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 14:54:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 14:54:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 14:54:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 14:54:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 14:54:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 14:54:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 14:54:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 14:54:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 14:54:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 14:54:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 14:54:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 14:54:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 14:54:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 14:54:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 14:54:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 14:54:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-12-02 14:54:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 14:54:17,963 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 14:54:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout_work [2024-12-02 14:54:17,963 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout_work [2024-12-02 14:54:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-12-02 14:54:17,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-12-02 14:54:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-12-02 14:54:17,963 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-12-02 14:54:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 14:54:17,963 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 14:54:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-12-02 14:54:17,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-12-02 14:54:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_timer [2024-12-02 14:54:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_timer [2024-12-02 14:54:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_stop [2024-12-02 14:54:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_stop [2024-12-02 14:54:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_mac [2024-12-02 14:54:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_mac [2024-12-02 14:54:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-12-02 14:54:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-12-02 14:54:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_start [2024-12-02 14:54:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_start [2024-12-02 14:54:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read32 [2024-12-02 14:54:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read32 [2024-12-02 14:54:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-12-02 14:54:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-12-02 14:54:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 14:54:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 14:54:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 14:54:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 14:54:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 14:54:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 14:54:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 14:54:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 14:54:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 14:54:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 14:54:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 14:54:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 14:54:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 14:54:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 14:54:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 14:54:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 14:54:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 14:54:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 14:54:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 14:54:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 14:54:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 14:54:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-12-02 14:54:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-12-02 14:54:17,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-12-02 14:54:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_remove_one [2024-12-02 14:54:17,965 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_remove_one [2024-12-02 14:54:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_skb [2024-12-02 14:54:17,965 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_skb [2024-12-02 14:54:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write8 [2024-12-02 14:54:17,965 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write8 [2024-12-02 14:54:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 14:54:17,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 14:54:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_down [2024-12-02 14:54:17,965 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_down [2024-12-02 14:54:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_byte [2024-12-02 14:54:17,965 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_byte [2024-12-02 14:54:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-12-02 14:54:17,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-12-02 14:54:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 14:54:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2024-12-02 14:54:17,966 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2024-12-02 14:54:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-12-02 14:54:17,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-12-02 14:54:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2024-12-02 14:54:17,966 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2024-12-02 14:54:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_poll [2024-12-02 14:54:17,966 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_poll [2024-12-02 14:54:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-12-02 14:54:17,966 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-12-02 14:54:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:54:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_adapter [2024-12-02 14:54:17,966 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_adapter [2024-12-02 14:54:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2024-12-02 14:54:17,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2024-12-02 14:54:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 14:54:17,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 14:54:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 14:54:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 14:54:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 14:54:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 14:54:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 14:54:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 14:54:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 14:54:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 14:54:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 14:54:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 14:54:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 14:54:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 14:54:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 14:54:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 14:54:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 14:54:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 14:54:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 14:54:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 14:54:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 14:54:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 14:54:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 14:54:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-12-02 14:54:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-12-02 14:54:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-12-02 14:54:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_send_data [2024-12-02 14:54:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_send_data [2024-12-02 14:54:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2024-12-02 14:54:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2024-12-02 14:54:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_read_reg [2024-12-02 14:54:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_read_reg [2024-12-02 14:54:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_free_lists [2024-12-02 14:54:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_free_lists [2024-12-02 14:54:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_7 [2024-12-02 14:54:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_7 [2024-12-02 14:54:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-12-02 14:54:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-12-02 14:54:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2024-12-02 14:54:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2024-12-02 14:54:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-12-02 14:54:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-12-02 14:54:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-12-02 14:54:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-12-02 14:54:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2024-12-02 14:54:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2024-12-02 14:54:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_store_skb [2024-12-02 14:54:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_store_skb [2024-12-02 14:54:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:54:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 14:54:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 14:54:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 14:54:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 14:54:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 14:54:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 14:54:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 14:54:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 14:54:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 14:54:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 14:54:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 14:54:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 14:54:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 14:54:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 14:54:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 14:54:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 14:54:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 14:54:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 14:54:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 14:54:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 14:54:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-12-02 14:54:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout [2024-12-02 14:54:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout [2024-12-02 14:54:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2024-12-02 14:54:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2024-12-02 14:54:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-12-02 14:54:17,971 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-12-02 14:54:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:54:17,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:54:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2024-12-02 14:54:17,971 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2024-12-02 14:54:18,778 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:54:18,782 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:54:18,858 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 14:54:32,097 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##404: assume !(0 == ~debug~0); [2024-12-02 14:54:32,098 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##404: assume 0 == ~debug~0;tlan_eisa_probe_#t~bitwise335#1 := 0; [2024-12-02 14:54:32,098 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7041-1: tlan_eisa_probe_~tmp___2~2#1 := tlan_eisa_probe_#t~ret344#1;havoc tlan_eisa_probe_#t~ret344#1; [2024-12-02 14:54:32,098 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7041: SUMMARY for call tlan_eisa_probe_#t~ret344#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2024-12-02 14:54:32,098 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7042: assume 4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296; [2024-12-02 14:54:32,098 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7042: assume !(4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296); [2024-12-02 14:54:32,098 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7043: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2024-12-02 14:54:32,098 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7047-1: tlan_eisa_probe_~device_id~1#1 := tlan_eisa_probe_#t~ret345#1;havoc tlan_eisa_probe_#t~ret345#1; [2024-12-02 14:54:32,098 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7047: SUMMARY for call tlan_eisa_probe_#t~ret345#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2024-12-02 14:54:32,098 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7048: assume 8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296; [2024-12-02 14:54:32,099 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7048: assume !(8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296); [2024-12-02 14:54:32,099 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L10814-1: __request_region_#res#1.base, __request_region_#res#1.offset := __request_region_#t~ret1302#1.base, __request_region_#t~ret1302#1.offset;havoc __request_region_#t~ret1302#1.base, __request_region_#t~ret1302#1.offset; [2024-12-02 14:54:32,099 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L10814: SUMMARY for call __request_region_#t~ret1302#1.base, __request_region_#t~ret1302#1.offset := ldv_malloc(56); srcloc: null [2024-12-02 14:54:32,099 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7049: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2024-12-02 14:54:32,099 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7053-1: tlan_eisa_probe_~tmp___3~1#1 := tlan_eisa_probe_#t~ret346#1;havoc tlan_eisa_probe_#t~ret346#1; [2024-12-02 14:54:32,099 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7053: SUMMARY for call tlan_eisa_probe_#t~ret346#1 := inb((if (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2024-12-02 14:54:32,099 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7054: assume 1 != tlan_eisa_probe_~tmp___3~1#1 % 256 % 4294967296; [2024-12-02 14:54:32,099 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7054: assume !(1 != tlan_eisa_probe_~tmp___3~1#1 % 256 % 4294967296); [2024-12-02 14:54:32,099 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7055: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2024-12-02 14:54:32,099 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059: assume 16 == ~debug~0; [2024-12-02 14:54:32,099 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059: assume !(16 == ~debug~0); [2024-12-02 14:54:32,099 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059-2: SUMMARY for call tlan_eisa_probe_#t~ret348#1 := inb((if (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2024-12-02 14:54:32,099 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7060-1: assume -2147483648 <= tlan_eisa_probe_#t~ret347#1 && tlan_eisa_probe_#t~ret347#1 <= 2147483647;havoc tlan_eisa_probe_#t~ret347#1; [2024-12-02 14:54:32,099 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7060: SUMMARY for call tlan_eisa_probe_#t~ret347#1 := printk(45, 0); srcloc: null [2024-12-02 14:54:32,099 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7063: tlan_eisa_probe_~tmp___4~0#1 := tlan_eisa_probe_#t~ret348#1;havoc tlan_eisa_probe_#t~ret348#1;tlan_eisa_probe_#t~switch349#1 := 16 == (if tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 <= 2147483647 then tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 else tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 - 4294967296); [2024-12-02 14:54:32,099 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7064: havoc tlan_eisa_probe_#t~switch349#1;havoc tlan_eisa_probe_#t~switch349#1; [2024-12-02 14:54:32,099 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7065: assume tlan_eisa_probe_#t~switch349#1;tlan_eisa_probe_~irq~0#1 := 5; [2024-12-02 14:54:32,099 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7065: assume !tlan_eisa_probe_#t~switch349#1;tlan_eisa_probe_#t~switch349#1 := tlan_eisa_probe_#t~switch349#1 || 32 == (if tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 <= 2147483647 then tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 else tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 - 4294967296); [2024-12-02 14:54:32,099 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##452: assume !(16 == ~debug~0); [2024-12-02 14:54:32,099 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##452: assume 16 == ~debug~0; [2024-12-02 14:54:32,099 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##455: assume !(16 == ~debug~0); [2024-12-02 14:54:32,099 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##455: assume 16 == ~debug~0; [2024-12-02 14:54:32,099 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7068: assume tlan_eisa_probe_#t~switch349#1;tlan_eisa_probe_~irq~0#1 := 9; [2024-12-02 14:54:32,100 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7068: assume !tlan_eisa_probe_#t~switch349#1;tlan_eisa_probe_#t~switch349#1 := tlan_eisa_probe_#t~switch349#1 || 64 == (if tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 <= 2147483647 then tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 else tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 - 4294967296); [2024-12-02 14:54:32,100 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7071: assume tlan_eisa_probe_#t~switch349#1;tlan_eisa_probe_~irq~0#1 := 10; [2024-12-02 14:54:32,100 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7071: assume !tlan_eisa_probe_#t~switch349#1;tlan_eisa_probe_#t~switch349#1 := tlan_eisa_probe_#t~switch349#1 || 128 == (if tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 <= 2147483647 then tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 else tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 - 4294967296); [2024-12-02 14:54:32,100 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7074: assume tlan_eisa_probe_#t~switch349#1;tlan_eisa_probe_~irq~0#1 := 11; [2024-12-02 14:54:32,100 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7074: assume !tlan_eisa_probe_#t~switch349#1;tlan_eisa_probe_#t~switch349#1 := true; [2024-12-02 14:54:32,100 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7077: assume tlan_eisa_probe_#t~switch349#1; [2024-12-02 14:54:32,100 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7077: assume !tlan_eisa_probe_#t~switch349#1; [2024-12-02 14:54:32,100 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7080: SUMMARY for call tlan_eisa_probe_#t~ret350#1 := tlan_probe1(0, 0, tlan_eisa_probe_~ioaddr~0#1, tlan_eisa_probe_~irq~0#1, 12, 0, 0); srcloc: null [2024-12-02 14:54:32,100 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7081: assume -2147483648 <= tlan_eisa_probe_#t~ret350#1 && tlan_eisa_probe_#t~ret350#1 <= 2147483647;tlan_eisa_probe_~rc~3#1 := tlan_eisa_probe_#t~ret350#1; [2024-12-02 14:54:32,100 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7085-1: assume -2147483648 <= tlan_eisa_probe_#t~ret351#1 && tlan_eisa_probe_#t~ret351#1 <= 2147483647;havoc tlan_eisa_probe_#t~ret351#1; [2024-12-02 14:54:32,100 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7085: SUMMARY for call tlan_eisa_probe_#t~ret351#1 := printk(46, 0); srcloc: null [2024-12-02 14:54:32,101 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-3: havoc tlan_eisa_probe_#t~bitwise335#1;assume ((((~debug~0 < 0 || tlan_eisa_probe_#t~bitwise335#1 <= ~debug~0) && tlan_eisa_probe_#t~bitwise335#1 <= 16) && tlan_eisa_probe_#t~bitwise335#1 >= 0) && (~debug~0 >= 0 || tlan_eisa_probe_#t~bitwise335#1 > 16 + ~debug~0)) && tlan_eisa_probe_#t~bitwise335#1 >= -2147483648; [2024-12-02 14:54:32,101 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-1: assume 16 == ~debug~0;tlan_eisa_probe_#t~bitwise335#1 := ~debug~0; [2024-12-02 14:54:32,101 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-1: assume !(16 == ~debug~0); [2024-12-02 14:54:32,101 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-6: assume 0 == ~debug~0;tlan_eisa_probe_#t~bitwise338#1 := 0; [2024-12-02 14:54:32,101 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-6: assume !(0 == ~debug~0); [2024-12-02 14:54:32,101 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-4: assume 0 != tlan_eisa_probe_#t~bitwise335#1;havoc tlan_eisa_probe_#t~bitwise335#1; [2024-12-02 14:54:32,102 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-4: assume !(0 != tlan_eisa_probe_#t~bitwise335#1);havoc tlan_eisa_probe_#t~bitwise335#1; [2024-12-02 14:54:32,102 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7022: SUMMARY for call tlan_eisa_probe_#t~ret336#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2024-12-02 14:54:32,102 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7022-1: tlan_eisa_probe_~tmp~38#1 := tlan_eisa_probe_#t~ret336#1;havoc tlan_eisa_probe_#t~ret336#1; [2024-12-02 14:54:32,102 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7023-1: assume -2147483648 <= tlan_eisa_probe_#t~ret337#1 && tlan_eisa_probe_#t~ret337#1 <= 2147483647;havoc tlan_eisa_probe_#t~ret337#1; [2024-12-02 14:54:32,102 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7023: SUMMARY for call tlan_eisa_probe_#t~ret337#1 := printk(42, 0); srcloc: null [2024-12-02 14:54:32,102 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7090-1: tlan_eisa_probe_~ioaddr~0#1 := 4096 + tlan_eisa_probe_~ioaddr~0#1; [2024-12-02 14:54:32,102 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7091-1: assume -2147483648 <= tlan_eisa_probe_#t~ret352#1 && tlan_eisa_probe_#t~ret352#1 <= 2147483647;havoc tlan_eisa_probe_#t~ret352#1; [2024-12-02 14:54:32,102 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7091: SUMMARY for call tlan_eisa_probe_#t~ret352#1 := printk(47, 0); srcloc: null [2024-12-02 14:54:32,102 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-4: assume 0 != tlan_eisa_probe_#t~bitwise338#1;havoc tlan_eisa_probe_#t~bitwise338#1; [2024-12-02 14:54:32,102 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-4: assume !(0 != tlan_eisa_probe_#t~bitwise338#1);havoc tlan_eisa_probe_#t~bitwise338#1; [2024-12-02 14:54:32,102 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-3: havoc tlan_eisa_probe_#t~bitwise338#1;assume ((((~debug~0 < 0 || tlan_eisa_probe_#t~bitwise338#1 <= ~debug~0) && tlan_eisa_probe_#t~bitwise338#1 <= 16) && tlan_eisa_probe_#t~bitwise338#1 >= 0) && (~debug~0 >= 0 || tlan_eisa_probe_#t~bitwise338#1 > 16 + ~debug~0)) && tlan_eisa_probe_#t~bitwise338#1 >= -2147483648; [2024-12-02 14:54:32,102 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-1: assume 16 == ~debug~0;tlan_eisa_probe_#t~bitwise338#1 := ~debug~0; [2024-12-02 14:54:32,102 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-1: assume !(16 == ~debug~0); [2024-12-02 14:54:32,102 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-6: assume 0 == ~debug~0;tlan_eisa_probe_#t~bitwise341#1 := 0; [2024-12-02 14:54:32,102 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-6: assume !(0 == ~debug~0); [2024-12-02 14:54:32,102 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7027-1: tlan_eisa_probe_~tmp___0~11#1 := tlan_eisa_probe_#t~ret339#1;havoc tlan_eisa_probe_#t~ret339#1; [2024-12-02 14:54:32,102 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7027: SUMMARY for call tlan_eisa_probe_#t~ret339#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2024-12-02 14:54:32,102 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7028-1: assume -2147483648 <= tlan_eisa_probe_#t~ret340#1 && tlan_eisa_probe_#t~ret340#1 <= 2147483647;havoc tlan_eisa_probe_#t~ret340#1; [2024-12-02 14:54:32,102 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7028: SUMMARY for call tlan_eisa_probe_#t~ret340#1 := printk(43, 0); srcloc: null [2024-12-02 14:54:32,103 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7031-1: assume 16 == ~debug~0;tlan_eisa_probe_#t~bitwise341#1 := ~debug~0; [2024-12-02 14:54:32,103 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7031-1: assume !(16 == ~debug~0); [2024-12-02 14:54:32,103 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7097: assume tlan_eisa_probe_~ioaddr~0#1 <= 36863; [2024-12-02 14:54:32,103 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7097: assume !(tlan_eisa_probe_~ioaddr~0#1 <= 36863); [2024-12-02 14:54:32,103 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7031-4: assume 0 != tlan_eisa_probe_#t~bitwise341#1;havoc tlan_eisa_probe_#t~bitwise341#1; [2024-12-02 14:54:32,103 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7031-4: assume !(0 != tlan_eisa_probe_#t~bitwise341#1);havoc tlan_eisa_probe_#t~bitwise341#1; [2024-12-02 14:54:32,103 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7031-3: havoc tlan_eisa_probe_#t~bitwise341#1;assume ((((~debug~0 < 0 || tlan_eisa_probe_#t~bitwise341#1 <= ~debug~0) && tlan_eisa_probe_#t~bitwise341#1 <= 16) && tlan_eisa_probe_#t~bitwise341#1 >= 0) && (~debug~0 >= 0 || tlan_eisa_probe_#t~bitwise341#1 > 16 + ~debug~0)) && tlan_eisa_probe_#t~bitwise341#1 >= -2147483648; [2024-12-02 14:54:32,103 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7031-6: assume { :begin_inline___request_region } true;__request_region_#in~arg0#1.base, __request_region_#in~arg0#1.offset, __request_region_#in~arg1#1, __request_region_#in~arg2#1, __request_region_#in~arg3#1.base, __request_region_#in~arg3#1.offset, __request_region_#in~arg4#1 := ~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16, ~#tlan_signature~0.base, ~#tlan_signature~0.offset, 0;havoc __request_region_#res#1.base, __request_region_#res#1.offset;havoc __request_region_#t~ret1302#1.base, __request_region_#t~ret1302#1.offset, __request_region_~arg0#1.base, __request_region_~arg0#1.offset, __request_region_~arg1#1, __request_region_~arg2#1, __request_region_~arg3#1.base, __request_region_~arg3#1.offset, __request_region_~arg4#1;__request_region_~arg0#1.base, __request_region_~arg0#1.offset := __request_region_#in~arg0#1.base, __request_region_#in~arg0#1.offset;__request_region_~arg1#1 := __request_region_#in~arg1#1;__request_region_~arg2#1 := __request_region_#in~arg2#1;__request_region_~arg3#1.base, __request_region_~arg3#1.offset := __request_region_#in~arg3#1.base, __request_region_#in~arg3#1.offset;__request_region_~arg4#1 := __request_region_#in~arg4#1; [2024-12-02 14:54:32,103 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7032-1: assume -2147483648 <= tlan_eisa_probe_#t~ret342#1 && tlan_eisa_probe_#t~ret342#1 <= 2147483647;havoc tlan_eisa_probe_#t~ret342#1; [2024-12-02 14:54:32,103 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7032: SUMMARY for call tlan_eisa_probe_#t~ret342#1 := printk(44, 0); srcloc: null [2024-12-02 14:54:32,103 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint __request_region_returnLabel#1: tlan_eisa_probe_#t~ret343#1.base, tlan_eisa_probe_#t~ret343#1.offset := __request_region_#res#1.base, __request_region_#res#1.offset;havoc __request_region_#t~ret1302#1.base, __request_region_#t~ret1302#1.offset, __request_region_~arg0#1.base, __request_region_~arg0#1.offset, __request_region_~arg1#1, __request_region_~arg2#1, __request_region_~arg3#1.base, __request_region_~arg3#1.offset, __request_region_~arg4#1;havoc __request_region_#in~arg0#1.base, __request_region_#in~arg0#1.offset, __request_region_#in~arg1#1, __request_region_#in~arg2#1, __request_region_#in~arg3#1.base, __request_region_#in~arg3#1.offset, __request_region_#in~arg4#1;assume { :end_inline___request_region } true;tlan_eisa_probe_~tmp___1~4#1.base, tlan_eisa_probe_~tmp___1~4#1.offset := tlan_eisa_probe_#t~ret343#1.base, tlan_eisa_probe_#t~ret343#1.offset;havoc tlan_eisa_probe_#t~ret343#1.base, tlan_eisa_probe_#t~ret343#1.offset; [2024-12-02 14:54:32,103 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7037: assume 0 == (tlan_eisa_probe_~tmp___1~4#1.base + tlan_eisa_probe_~tmp___1~4#1.offset) % 18446744073709551616; [2024-12-02 14:54:32,103 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L7037: assume !(0 == (tlan_eisa_probe_~tmp___1~4#1.base + tlan_eisa_probe_~tmp___1~4#1.offset) % 18446744073709551616); [2024-12-02 14:54:32,971 INFO L? ?]: Removed 2395 outVars from TransFormulas that were not future-live. [2024-12-02 14:54:32,971 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:54:33,017 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:54:33,017 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 14:54:33,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:54:33 BoogieIcfgContainer [2024-12-02 14:54:33,018 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:54:33,020 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:54:33,020 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:54:33,025 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:54:33,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:54:14" (1/3) ... [2024-12-02 14:54:33,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@118eb344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:54:33, skipping insertion in model container [2024-12-02 14:54:33,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:16" (2/3) ... [2024-12-02 14:54:33,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@118eb344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:54:33, skipping insertion in model container [2024-12-02 14:54:33,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:54:33" (3/3) ... [2024-12-02 14:54:33,027 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2024-12-02 14:54:33,041 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:54:33,044 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i that has 125 procedures, 2834 locations, 1 initial locations, 22 loop locations, and 1 error locations. [2024-12-02 14:54:33,151 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:54:33,163 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;@f308c67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:54:33,163 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:54:33,174 INFO L276 IsEmpty]: Start isEmpty. Operand has 2753 states, 2008 states have (on average 1.3804780876494025) internal successors, (2772), 2059 states have internal predecessors, (2772), 640 states have call successors, (640), 104 states have call predecessors, (640), 103 states have return successors, (632), 622 states have call predecessors, (632), 632 states have call successors, (632) [2024-12-02 14:54:33,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-12-02 14:54:33,201 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:54:33,202 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:54:33,202 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:54:33,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:54:33,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1367080166, now seen corresponding path program 1 times [2024-12-02 14:54:33,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:54:33,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807644904] [2024-12-02 14:54:33,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:54:33,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:54:45,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:54:45,715 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2024-12-02 14:54:45,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:54:45,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807644904] [2024-12-02 14:54:45,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807644904] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:54:45,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916838310] [2024-12-02 14:54:45,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:54:45,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:54:45,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:54:45,718 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:54:45,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 14:54:57,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:54:57,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 5098 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:54:57,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:54:57,668 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-12-02 14:54:57,668 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:54:57,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [916838310] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:54:57,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:54:57,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 14:54:57,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802327863] [2024-12-02 14:54:57,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:54:57,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:54:57,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:54:57,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:54:57,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:54:57,701 INFO L87 Difference]: Start difference. First operand has 2753 states, 2008 states have (on average 1.3804780876494025) internal successors, (2772), 2059 states have internal predecessors, (2772), 640 states have call successors, (640), 104 states have call predecessors, (640), 103 states have return successors, (632), 622 states have call predecessors, (632), 632 states have call successors, (632) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 14:54:57,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:54:57,935 INFO L93 Difference]: Finished difference Result 5501 states and 8221 transitions. [2024-12-02 14:54:57,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:54:57,937 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 191 [2024-12-02 14:54:57,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:54:57,974 INFO L225 Difference]: With dead ends: 5501 [2024-12-02 14:54:57,974 INFO L226 Difference]: Without dead ends: 2710 [2024-12-02 14:54:58,004 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:54:58,007 INFO L435 NwaCegarLoop]: 3996 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, 3996 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 [2024-12-02 14:54:58,007 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3996 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:54:58,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2710 states. [2024-12-02 14:54:58,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2710 to 2710. [2024-12-02 14:54:58,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 1982 states have (on average 1.3546922300706357) internal successors, (2685), 2023 states have internal predecessors, (2685), 626 states have call successors, (626), 102 states have call predecessors, (626), 101 states have return successors, (625), 615 states have call predecessors, (625), 625 states have call successors, (625) [2024-12-02 14:54:58,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3936 transitions. [2024-12-02 14:54:58,216 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3936 transitions. Word has length 191 [2024-12-02 14:54:58,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:54:58,217 INFO L471 AbstractCegarLoop]: Abstraction has 2710 states and 3936 transitions. [2024-12-02 14:54:58,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 14:54:58,217 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3936 transitions. [2024-12-02 14:54:58,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-12-02 14:54:58,226 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:54:58,226 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:54:58,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 14:54:58,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 14:54:58,427 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:54:58,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:54:58,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1754434498, now seen corresponding path program 1 times [2024-12-02 14:54:58,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:54:58,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153316373] [2024-12-02 14:54:58,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:54:58,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:55:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:55:09,698 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-12-02 14:55:09,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:55:09,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153316373] [2024-12-02 14:55:09,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153316373] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:55:09,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:55:09,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:55:09,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382214936] [2024-12-02 14:55:09,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:55:09,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:55:09,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:55:09,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:55:09,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:55:09,701 INFO L87 Difference]: Start difference. First operand 2710 states and 3936 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 14:55:10,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:55:10,532 INFO L93 Difference]: Finished difference Result 7735 states and 11226 transitions. [2024-12-02 14:55:10,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:55:10,533 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 197 [2024-12-02 14:55:10,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:55:10,567 INFO L225 Difference]: With dead ends: 7735 [2024-12-02 14:55:10,567 INFO L226 Difference]: Without dead ends: 5058 [2024-12-02 14:55:10,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:55:10,582 INFO L435 NwaCegarLoop]: 4432 mSDtfsCounter, 3463 mSDsluCounter, 3770 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3463 SdHoareTripleChecker+Valid, 8202 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:55:10,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3463 Valid, 8202 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 14:55:10,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5058 states. [2024-12-02 14:55:10,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5058 to 5047. [2024-12-02 14:55:10,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5047 states, 3694 states have (on average 1.352734163508392) internal successors, (4997), 3779 states have internal predecessors, (4997), 1162 states have call successors, (1162), 192 states have call predecessors, (1162), 190 states have return successors, (1163), 1135 states have call predecessors, (1163), 1161 states have call successors, (1163) [2024-12-02 14:55:10,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5047 states to 5047 states and 7322 transitions. [2024-12-02 14:55:10,776 INFO L78 Accepts]: Start accepts. Automaton has 5047 states and 7322 transitions. Word has length 197 [2024-12-02 14:55:10,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:55:10,777 INFO L471 AbstractCegarLoop]: Abstraction has 5047 states and 7322 transitions. [2024-12-02 14:55:10,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 14:55:10,777 INFO L276 IsEmpty]: Start isEmpty. Operand 5047 states and 7322 transitions. [2024-12-02 14:55:10,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-12-02 14:55:10,782 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:55:10,782 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:55:10,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:55:10,782 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:55:10,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:55:10,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1385513036, now seen corresponding path program 1 times [2024-12-02 14:55:10,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:55:10,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625408800] [2024-12-02 14:55:10,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:55:10,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:55:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:55:21,866 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-12-02 14:55:21,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:55:21,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625408800] [2024-12-02 14:55:21,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625408800] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:55:21,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:55:21,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:55:21,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717462655] [2024-12-02 14:55:21,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:55:21,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:55:21,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:55:21,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:55:21,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:55:21,869 INFO L87 Difference]: Start difference. First operand 5047 states and 7322 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 14:55:22,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:55:22,150 INFO L93 Difference]: Finished difference Result 10101 states and 14677 transitions. [2024-12-02 14:55:22,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:55:22,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 191 [2024-12-02 14:55:22,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:55:22,185 INFO L225 Difference]: With dead ends: 10101 [2024-12-02 14:55:22,185 INFO L226 Difference]: Without dead ends: 5087 [2024-12-02 14:55:22,205 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:55:22,206 INFO L435 NwaCegarLoop]: 3930 mSDtfsCounter, 14 mSDsluCounter, 3926 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 7856 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:55:22,206 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 7856 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:55:22,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5087 states. [2024-12-02 14:55:22,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5087 to 5051. [2024-12-02 14:55:22,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5051 states, 3698 states have (on average 1.352352623039481) internal successors, (5001), 3783 states have internal predecessors, (5001), 1162 states have call successors, (1162), 192 states have call predecessors, (1162), 190 states have return successors, (1163), 1135 states have call predecessors, (1163), 1161 states have call successors, (1163) [2024-12-02 14:55:22,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5051 states to 5051 states and 7326 transitions. [2024-12-02 14:55:22,374 INFO L78 Accepts]: Start accepts. Automaton has 5051 states and 7326 transitions. Word has length 191 [2024-12-02 14:55:22,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:55:22,374 INFO L471 AbstractCegarLoop]: Abstraction has 5051 states and 7326 transitions. [2024-12-02 14:55:22,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 14:55:22,375 INFO L276 IsEmpty]: Start isEmpty. Operand 5051 states and 7326 transitions. [2024-12-02 14:55:22,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-12-02 14:55:22,378 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:55:22,378 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:55:22,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 14:55:22,379 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:55:22,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:55:22,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1307403814, now seen corresponding path program 1 times [2024-12-02 14:55:22,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:55:22,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962184947] [2024-12-02 14:55:22,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:55:22,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:55:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:55:33,340 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-12-02 14:55:33,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:55:33,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962184947] [2024-12-02 14:55:33,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962184947] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:55:33,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:55:33,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:55:33,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294512952] [2024-12-02 14:55:33,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:55:33,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:55:33,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:55:33,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:55:33,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:55:33,342 INFO L87 Difference]: Start difference. First operand 5051 states and 7326 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 14:55:33,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:55:33,991 INFO L93 Difference]: Finished difference Result 14465 states and 21013 transitions. [2024-12-02 14:55:33,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:55:33,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 210 [2024-12-02 14:55:33,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:55:34,080 INFO L225 Difference]: With dead ends: 14465 [2024-12-02 14:55:34,080 INFO L226 Difference]: Without dead ends: 9447 [2024-12-02 14:55:34,110 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:55:34,111 INFO L435 NwaCegarLoop]: 5084 mSDtfsCounter, 3484 mSDsluCounter, 3840 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3484 SdHoareTripleChecker+Valid, 8924 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:55:34,111 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3484 Valid, 8924 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 14:55:34,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9447 states. [2024-12-02 14:55:34,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9447 to 9438. [2024-12-02 14:55:34,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9438 states, 6899 states have (on average 1.3530946513987534) internal successors, (9335), 7057 states have internal predecessors, (9335), 2192 states have call successors, (2192), 348 states have call predecessors, (2192), 346 states have return successors, (2193), 2143 states have call predecessors, (2193), 2191 states have call successors, (2193) [2024-12-02 14:55:34,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9438 states to 9438 states and 13720 transitions. [2024-12-02 14:55:34,603 INFO L78 Accepts]: Start accepts. Automaton has 9438 states and 13720 transitions. Word has length 210 [2024-12-02 14:55:34,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:55:34,604 INFO L471 AbstractCegarLoop]: Abstraction has 9438 states and 13720 transitions. [2024-12-02 14:55:34,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 14:55:34,604 INFO L276 IsEmpty]: Start isEmpty. Operand 9438 states and 13720 transitions. [2024-12-02 14:55:34,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-12-02 14:55:34,609 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:55:34,609 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:55:34,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 14:55:34,610 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:55:34,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:55:34,610 INFO L85 PathProgramCache]: Analyzing trace with hash 831006573, now seen corresponding path program 1 times [2024-12-02 14:55:34,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:55:34,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019713304] [2024-12-02 14:55:34,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:55:34,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:55:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:55:45,798 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-12-02 14:55:45,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:55:45,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019713304] [2024-12-02 14:55:45,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019713304] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:55:45,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083607333] [2024-12-02 14:55:45,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:55:45,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:55:45,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:55:45,800 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:55:45,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 14:55:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:55:58,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 5188 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 14:55:58,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:55:58,100 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2024-12-02 14:55:58,100 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:55:58,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083607333] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:55:58,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:55:58,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 14:55:58,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016864949] [2024-12-02 14:55:58,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:55:58,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:55:58,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:55:58,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:55:58,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:55:58,102 INFO L87 Difference]: Start difference. First operand 9438 states and 13720 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 14:55:58,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:55:58,375 INFO L93 Difference]: Finished difference Result 9445 states and 13730 transitions. [2024-12-02 14:55:58,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:55:58,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 213 [2024-12-02 14:55:58,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:55:58,447 INFO L225 Difference]: With dead ends: 9445 [2024-12-02 14:55:58,448 INFO L226 Difference]: Without dead ends: 9442 [2024-12-02 14:55:58,457 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:55:58,457 INFO L435 NwaCegarLoop]: 3935 mSDtfsCounter, 0 mSDsluCounter, 3930 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7865 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:55:58,457 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7865 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:55:58,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9442 states. [2024-12-02 14:55:58,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9442 to 9442. [2024-12-02 14:55:58,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9442 states, 6903 states have (on average 1.352890047805302) internal successors, (9339), 7061 states have internal predecessors, (9339), 2192 states have call successors, (2192), 348 states have call predecessors, (2192), 346 states have return successors, (2193), 2143 states have call predecessors, (2193), 2191 states have call successors, (2193) [2024-12-02 14:55:58,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9442 states to 9442 states and 13724 transitions. [2024-12-02 14:55:58,895 INFO L78 Accepts]: Start accepts. Automaton has 9442 states and 13724 transitions. Word has length 213 [2024-12-02 14:55:58,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:55:58,895 INFO L471 AbstractCegarLoop]: Abstraction has 9442 states and 13724 transitions. [2024-12-02 14:55:58,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 14:55:58,896 INFO L276 IsEmpty]: Start isEmpty. Operand 9442 states and 13724 transitions. [2024-12-02 14:55:58,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-12-02 14:55:58,901 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:55:58,901 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:55:58,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 14:55:59,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:55:59,102 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:55:59,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:55:59,102 INFO L85 PathProgramCache]: Analyzing trace with hash -839637966, now seen corresponding path program 1 times [2024-12-02 14:55:59,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:55:59,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530674663] [2024-12-02 14:55:59,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:55:59,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:56:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:56:10,303 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-12-02 14:56:10,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:56:10,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530674663] [2024-12-02 14:56:10,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530674663] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:56:10,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668136801] [2024-12-02 14:56:10,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:56:10,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:56:10,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:56:10,306 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:56:10,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 14:56:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:56:22,389 INFO L256 TraceCheckSpWp]: Trace formula consists of 5193 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 14:56:22,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:56:22,455 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2024-12-02 14:56:22,456 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:56:22,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1668136801] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:56:22,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:56:22,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 14:56:22,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11745613] [2024-12-02 14:56:22,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:56:22,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:56:22,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:56:22,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:56:22,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:56:22,457 INFO L87 Difference]: Start difference. First operand 9442 states and 13724 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 14:56:22,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:56:22,990 INFO L93 Difference]: Finished difference Result 18911 states and 27540 transitions. [2024-12-02 14:56:22,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:56:22,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 215 [2024-12-02 14:56:22,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:56:23,063 INFO L225 Difference]: With dead ends: 18911 [2024-12-02 14:56:23,063 INFO L226 Difference]: Without dead ends: 9502 [2024-12-02 14:56:23,113 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:56:23,113 INFO L435 NwaCegarLoop]: 3929 mSDtfsCounter, 9 mSDsluCounter, 3924 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 7853 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:56:23,114 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 7853 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:56:23,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9502 states. [2024-12-02 14:56:23,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9502 to 9470. [2024-12-02 14:56:23,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9470 states, 6927 states have (on average 1.3522448390356576) internal successors, (9367), 7085 states have internal predecessors, (9367), 2196 states have call successors, (2196), 348 states have call predecessors, (2196), 346 states have return successors, (2197), 2147 states have call predecessors, (2197), 2195 states have call successors, (2197) [2024-12-02 14:56:23,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9470 states to 9470 states and 13760 transitions. [2024-12-02 14:56:23,571 INFO L78 Accepts]: Start accepts. Automaton has 9470 states and 13760 transitions. Word has length 215 [2024-12-02 14:56:23,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:56:23,572 INFO L471 AbstractCegarLoop]: Abstraction has 9470 states and 13760 transitions. [2024-12-02 14:56:23,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 14:56:23,572 INFO L276 IsEmpty]: Start isEmpty. Operand 9470 states and 13760 transitions. [2024-12-02 14:56:23,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-12-02 14:56:23,577 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:56:23,578 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:56:23,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-02 14:56:23,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-12-02 14:56:23,778 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:56:23,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:56:23,779 INFO L85 PathProgramCache]: Analyzing trace with hash 184354902, now seen corresponding path program 1 times [2024-12-02 14:56:23,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:56:23,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131896634] [2024-12-02 14:56:23,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:56:23,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:56:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:56:34,535 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2024-12-02 14:56:34,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:56:34,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131896634] [2024-12-02 14:56:34,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131896634] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:56:34,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732309087] [2024-12-02 14:56:34,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:56:34,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:56:34,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:56:34,538 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:56:34,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 14:56:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:56:46,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 5266 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 14:56:46,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:56:46,978 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2024-12-02 14:56:46,978 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:56:48,370 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2024-12-02 14:56:48,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [732309087] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:56:48,370 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 14:56:48,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-12-02 14:56:48,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376290345] [2024-12-02 14:56:48,371 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 14:56:48,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 14:56:48,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:56:48,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 14:56:48,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:56:48,372 INFO L87 Difference]: Start difference. First operand 9470 states and 13760 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 7 states have internal predecessors, (94), 5 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) [2024-12-02 14:56:49,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:56:49,031 INFO L93 Difference]: Finished difference Result 19107 states and 27809 transitions. [2024-12-02 14:56:49,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:56:49,032 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 7 states have internal predecessors, (94), 5 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) Word has length 217 [2024-12-02 14:56:49,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:56:49,100 INFO L225 Difference]: With dead ends: 19107 [2024-12-02 14:56:49,101 INFO L226 Difference]: Without dead ends: 9670 [2024-12-02 14:56:49,145 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 431 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:56:49,146 INFO L435 NwaCegarLoop]: 3929 mSDtfsCounter, 61 mSDsluCounter, 7855 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 11784 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:56:49,146 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 11784 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 14:56:49,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9670 states. [2024-12-02 14:56:49,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9670 to 9630. [2024-12-02 14:56:49,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9630 states, 7039 states have (on average 1.3489131978974287) internal successors, (9495), 7197 states have internal predecessors, (9495), 2244 states have call successors, (2244), 348 states have call predecessors, (2244), 346 states have return successors, (2245), 2195 states have call predecessors, (2245), 2243 states have call successors, (2245) [2024-12-02 14:56:49,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9630 states to 9630 states and 13984 transitions. [2024-12-02 14:56:49,516 INFO L78 Accepts]: Start accepts. Automaton has 9630 states and 13984 transitions. Word has length 217 [2024-12-02 14:56:49,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:56:49,517 INFO L471 AbstractCegarLoop]: Abstraction has 9630 states and 13984 transitions. [2024-12-02 14:56:49,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 7 states have internal predecessors, (94), 5 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) [2024-12-02 14:56:49,517 INFO L276 IsEmpty]: Start isEmpty. Operand 9630 states and 13984 transitions. [2024-12-02 14:56:49,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-12-02 14:56:49,523 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:56:49,523 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:56:49,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-02 14:56:49,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-12-02 14:56:49,723 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:56:49,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:56:49,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1703005668, now seen corresponding path program 1 times [2024-12-02 14:56:49,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:56:49,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763837988] [2024-12-02 14:56:49,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:56:49,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:57:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:57:01,062 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-12-02 14:57:01,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:57:01,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763837988] [2024-12-02 14:57:01,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763837988] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:57:01,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:57:01,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:57:01,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716355426] [2024-12-02 14:57:01,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:57:01,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:57:01,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:57:01,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:57:01,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:57:01,063 INFO L87 Difference]: Start difference. First operand 9630 states and 13984 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 14:57:01,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:57:01,771 INFO L93 Difference]: Finished difference Result 28844 states and 41884 transitions. [2024-12-02 14:57:01,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:57:01,771 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 219 [2024-12-02 14:57:01,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:57:01,914 INFO L225 Difference]: With dead ends: 28844 [2024-12-02 14:57:01,914 INFO L226 Difference]: Without dead ends: 19247 [2024-12-02 14:57:01,976 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:57:01,976 INFO L435 NwaCegarLoop]: 3934 mSDtfsCounter, 3899 mSDsluCounter, 11743 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3900 SdHoareTripleChecker+Valid, 15677 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:57:01,976 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3900 Valid, 15677 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:57:01,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19247 states. [2024-12-02 14:57:02,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19247 to 19220. [2024-12-02 14:57:02,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19220 states, 14049 states have (on average 1.3488504519894655) internal successors, (18950), 14381 states have internal predecessors, (18950), 4476 states have call successors, (4476), 697 states have call predecessors, (4476), 694 states have return successors, (4479), 4363 states have call predecessors, (4479), 4475 states have call successors, (4479) [2024-12-02 14:57:02,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19220 states to 19220 states and 27905 transitions. [2024-12-02 14:57:02,667 INFO L78 Accepts]: Start accepts. Automaton has 19220 states and 27905 transitions. Word has length 219 [2024-12-02 14:57:02,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:57:02,668 INFO L471 AbstractCegarLoop]: Abstraction has 19220 states and 27905 transitions. [2024-12-02 14:57:02,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 14:57:02,668 INFO L276 IsEmpty]: Start isEmpty. Operand 19220 states and 27905 transitions. [2024-12-02 14:57:02,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-12-02 14:57:02,676 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:57:02,676 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:57:02,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 14:57:02,676 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:57:02,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:57:02,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1495419708, now seen corresponding path program 1 times [2024-12-02 14:57:02,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:57:02,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307378538] [2024-12-02 14:57:02,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:57:02,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:57:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:57:13,759 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-12-02 14:57:13,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:57:13,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307378538] [2024-12-02 14:57:13,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307378538] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:57:13,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:57:13,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:57:13,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50944632] [2024-12-02 14:57:13,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:57:13,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:57:13,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:57:13,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:57:13,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:57:13,761 INFO L87 Difference]: Start difference. First operand 19220 states and 27905 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 14:57:14,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:57:14,895 INFO L93 Difference]: Finished difference Result 57646 states and 83685 transitions. [2024-12-02 14:57:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:57:14,896 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 220 [2024-12-02 14:57:14,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:57:15,095 INFO L225 Difference]: With dead ends: 57646 [2024-12-02 14:57:15,095 INFO L226 Difference]: Without dead ends: 38459 [2024-12-02 14:57:15,188 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:57:15,189 INFO L435 NwaCegarLoop]: 3947 mSDtfsCounter, 3900 mSDsluCounter, 11768 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3901 SdHoareTripleChecker+Valid, 15715 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:57:15,189 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3901 Valid, 15715 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:57:15,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38459 states. [2024-12-02 14:57:15,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38459 to 38416. [2024-12-02 14:57:15,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38416 states, 28089 states have (on average 1.3485706148314287) internal successors, (37880), 28749 states have internal predecessors, (37880), 8936 states have call successors, (8936), 1395 states have call predecessors, (8936), 1390 states have return successors, (8943), 8715 states have call predecessors, (8943), 8935 states have call successors, (8943) [2024-12-02 14:57:16,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38416 states to 38416 states and 55759 transitions. [2024-12-02 14:57:16,206 INFO L78 Accepts]: Start accepts. Automaton has 38416 states and 55759 transitions. Word has length 220 [2024-12-02 14:57:16,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:57:16,207 INFO L471 AbstractCegarLoop]: Abstraction has 38416 states and 55759 transitions. [2024-12-02 14:57:16,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 14:57:16,207 INFO L276 IsEmpty]: Start isEmpty. Operand 38416 states and 55759 transitions. [2024-12-02 14:57:16,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-12-02 14:57:16,214 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:57:16,215 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:57:16,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 14:57:16,215 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:57:16,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:57:16,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1498139295, now seen corresponding path program 1 times [2024-12-02 14:57:16,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:57:16,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666015537] [2024-12-02 14:57:16,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:57:16,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:57:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:57:27,276 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-12-02 14:57:27,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:57:27,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666015537] [2024-12-02 14:57:27,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666015537] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:57:27,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:57:27,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:57:27,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627921956] [2024-12-02 14:57:27,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:57:27,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:57:27,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:57:27,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:57:27,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:57:27,278 INFO L87 Difference]: Start difference. First operand 38416 states and 55759 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 14:57:29,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:57:29,160 INFO L93 Difference]: Finished difference Result 115292 states and 167315 transitions. [2024-12-02 14:57:29,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:57:29,160 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 221 [2024-12-02 14:57:29,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:57:29,654 INFO L225 Difference]: With dead ends: 115292 [2024-12-02 14:57:29,654 INFO L226 Difference]: Without dead ends: 76909 [2024-12-02 14:57:29,920 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:57:29,921 INFO L435 NwaCegarLoop]: 3933 mSDtfsCounter, 3901 mSDsluCounter, 11740 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3902 SdHoareTripleChecker+Valid, 15673 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:57:29,921 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3902 Valid, 15673 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:57:29,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76909 states. [2024-12-02 14:57:31,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76909 to 76826. [2024-12-02 14:57:31,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76826 states, 56187 states have (on average 1.3482834107533772) internal successors, (75756), 57499 states have internal predecessors, (75756), 17852 states have call successors, (17852), 2795 states have call predecessors, (17852), 2786 states have return successors, (17867), 17419 states have call predecessors, (17867), 17851 states have call successors, (17867) [2024-12-02 14:57:32,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76826 states to 76826 states and 111475 transitions. [2024-12-02 14:57:32,057 INFO L78 Accepts]: Start accepts. Automaton has 76826 states and 111475 transitions. Word has length 221 [2024-12-02 14:57:32,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:57:32,057 INFO L471 AbstractCegarLoop]: Abstraction has 76826 states and 111475 transitions. [2024-12-02 14:57:32,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 14:57:32,057 INFO L276 IsEmpty]: Start isEmpty. Operand 76826 states and 111475 transitions. [2024-12-02 14:57:32,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-12-02 14:57:32,062 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:57:32,062 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:57:32,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 14:57:32,062 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:57:32,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:57:32,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1218227231, now seen corresponding path program 1 times [2024-12-02 14:57:32,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:57:32,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346340021] [2024-12-02 14:57:32,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:57:32,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:57:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:57:44,392 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-12-02 14:57:44,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:57:44,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346340021] [2024-12-02 14:57:44,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346340021] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:57:44,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:57:44,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:57:44,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348941151] [2024-12-02 14:57:44,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:57:44,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:57:44,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:57:44,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:57:44,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:57:44,393 INFO L87 Difference]: Start difference. First operand 76826 states and 111475 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 14:57:47,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:57:47,980 INFO L93 Difference]: Finished difference Result 229923 states and 333543 transitions. [2024-12-02 14:57:47,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:57:47,980 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 222 [2024-12-02 14:57:47,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:57:48,832 INFO L225 Difference]: With dead ends: 229923 [2024-12-02 14:57:48,832 INFO L226 Difference]: Without dead ends: 153130 [2024-12-02 14:57:49,160 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:57:49,160 INFO L435 NwaCegarLoop]: 3933 mSDtfsCounter, 3902 mSDsluCounter, 11740 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3903 SdHoareTripleChecker+Valid, 15673 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:57:49,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3903 Valid, 15673 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:57:49,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153130 states. [2024-12-02 14:57:52,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153130 to 152971. [2024-12-02 14:57:52,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152971 states, 111861 states have (on average 1.347779833901002) internal successors, (150764), 114453 states have internal predecessors, (150764), 35538 states have call successors, (35538), 5588 states have call predecessors, (35538), 5571 states have return successors, (35569), 34691 states have call predecessors, (35569), 35537 states have call successors, (35569) [2024-12-02 14:57:53,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152971 states to 152971 states and 221871 transitions. [2024-12-02 14:57:54,116 INFO L78 Accepts]: Start accepts. Automaton has 152971 states and 221871 transitions. Word has length 222 [2024-12-02 14:57:54,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:57:54,116 INFO L471 AbstractCegarLoop]: Abstraction has 152971 states and 221871 transitions. [2024-12-02 14:57:54,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 14:57:54,117 INFO L276 IsEmpty]: Start isEmpty. Operand 152971 states and 221871 transitions. [2024-12-02 14:57:54,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2024-12-02 14:57:54,123 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:57:54,123 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:57:54,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 14:57:54,124 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:57:54,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:57:54,124 INFO L85 PathProgramCache]: Analyzing trace with hash -537448668, now seen corresponding path program 1 times [2024-12-02 14:57:54,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:57:54,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706707213] [2024-12-02 14:57:54,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:57:54,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:58:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:58:07,470 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-12-02 14:58:07,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:58:07,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706707213] [2024-12-02 14:58:07,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706707213] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:58:07,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447601472] [2024-12-02 14:58:07,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:58:07,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:58:07,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:58:07,472 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:58:07,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 14:58:20,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:58:20,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 5330 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 14:58:20,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:58:21,079 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2024-12-02 14:58:21,079 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:58:21,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447601472] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:58:21,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:58:21,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-12-02 14:58:21,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453020402] [2024-12-02 14:58:21,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:58:21,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:58:21,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:58:21,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:58:21,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:58:21,081 INFO L87 Difference]: Start difference. First operand 152971 states and 221871 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 14:58:25,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:58:25,547 INFO L93 Difference]: Finished difference Result 305971 states and 444139 transitions. [2024-12-02 14:58:25,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:58:25,548 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 235 [2024-12-02 14:58:25,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:58:26,289 INFO L225 Difference]: With dead ends: 305971 [2024-12-02 14:58:26,289 INFO L226 Difference]: Without dead ends: 153033 [2024-12-02 14:58:26,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:58:26,807 INFO L435 NwaCegarLoop]: 3935 mSDtfsCounter, 0 mSDsluCounter, 3929 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7864 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:58:26,808 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7864 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:58:26,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153033 states. [2024-12-02 14:58:31,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153033 to 153033. [2024-12-02 14:58:31,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153033 states, 111923 states have (on average 1.347587180472289) internal successors, (150826), 114515 states have internal predecessors, (150826), 35538 states have call successors, (35538), 5588 states have call predecessors, (35538), 5571 states have return successors, (35569), 34691 states have call predecessors, (35569), 35537 states have call successors, (35569) [2024-12-02 14:58:32,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153033 states to 153033 states and 221933 transitions. [2024-12-02 14:58:32,879 INFO L78 Accepts]: Start accepts. Automaton has 153033 states and 221933 transitions. Word has length 235 [2024-12-02 14:58:32,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:58:32,880 INFO L471 AbstractCegarLoop]: Abstraction has 153033 states and 221933 transitions. [2024-12-02 14:58:32,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 14:58:32,880 INFO L276 IsEmpty]: Start isEmpty. Operand 153033 states and 221933 transitions. [2024-12-02 14:58:32,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2024-12-02 14:58:32,900 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:58:32,900 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:58:32,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-12-02 14:58:33,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-12-02 14:58:33,101 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:58:33,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:58:33,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1714907347, now seen corresponding path program 1 times [2024-12-02 14:58:33,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:58:33,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481096352] [2024-12-02 14:58:33,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:58:33,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:58:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:58:48,612 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-12-02 14:58:48,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:58:48,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481096352] [2024-12-02 14:58:48,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481096352] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:58:48,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858039464] [2024-12-02 14:58:48,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:58:48,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:58:48,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:58:48,615 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:58:48,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 14:59:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:59:02,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 5331 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 14:59:02,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:59:03,107 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2024-12-02 14:59:03,107 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:59:03,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858039464] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:59:03,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:59:03,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-12-02 14:59:03,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704099825] [2024-12-02 14:59:03,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:59:03,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:59:03,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:59:03,108 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:59:03,108 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:59:03,108 INFO L87 Difference]: Start difference. First operand 153033 states and 221933 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 14:59:07,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:59:07,965 INFO L93 Difference]: Finished difference Result 308079 states and 447363 transitions. [2024-12-02 14:59:07,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:59:07,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 236 [2024-12-02 14:59:07,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:59:09,360 INFO L225 Difference]: With dead ends: 308079 [2024-12-02 14:59:09,360 INFO L226 Difference]: Without dead ends: 155079 [2024-12-02 14:59:10,120 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:59:10,122 INFO L435 NwaCegarLoop]: 3976 mSDtfsCounter, 36 mSDsluCounter, 3928 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 7904 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:59:10,122 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 7904 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:59:10,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155079 states. [2024-12-02 14:59:15,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155079 to 153281. [2024-12-02 14:59:15,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153281 states, 112171 states have (on average 1.347371423986592) internal successors, (151136), 114763 states have internal predecessors, (151136), 35538 states have call successors, (35538), 5588 states have call predecessors, (35538), 5571 states have return successors, (35569), 34691 states have call predecessors, (35569), 35537 states have call successors, (35569) [2024-12-02 14:59:16,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153281 states to 153281 states and 222243 transitions. [2024-12-02 14:59:17,036 INFO L78 Accepts]: Start accepts. Automaton has 153281 states and 222243 transitions. Word has length 236 [2024-12-02 14:59:17,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:59:17,037 INFO L471 AbstractCegarLoop]: Abstraction has 153281 states and 222243 transitions. [2024-12-02 14:59:17,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 14:59:17,037 INFO L276 IsEmpty]: Start isEmpty. Operand 153281 states and 222243 transitions. [2024-12-02 14:59:17,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-12-02 14:59:17,046 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:59:17,046 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:59:17,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 14:59:17,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-12-02 14:59:17,247 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:59:17,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:59:17,247 INFO L85 PathProgramCache]: Analyzing trace with hash 666267399, now seen corresponding path program 1 times [2024-12-02 14:59:17,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:59:17,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921055850] [2024-12-02 14:59:17,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:59:17,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:59:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:59:30,901 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-12-02 14:59:30,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:59:30,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921055850] [2024-12-02 14:59:30,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921055850] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:59:30,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175882852] [2024-12-02 14:59:30,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:59:30,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:59:30,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:59:30,903 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:59:30,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 14:59:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:59:44,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 5332 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 14:59:44,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:59:44,524 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2024-12-02 14:59:44,524 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:59:44,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1175882852] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:59:44,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:59:44,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-12-02 14:59:44,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014049201] [2024-12-02 14:59:44,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:59:44,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:59:44,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:59:44,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:59:44,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:59:44,526 INFO L87 Difference]: Start difference. First operand 153281 states and 222243 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 14:59:48,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:59:48,988 INFO L93 Difference]: Finished difference Result 306591 states and 444883 transitions. [2024-12-02 14:59:48,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:59:48,989 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 237 [2024-12-02 14:59:48,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:59:49,859 INFO L225 Difference]: With dead ends: 306591 [2024-12-02 14:59:49,859 INFO L226 Difference]: Without dead ends: 153343 [2024-12-02 14:59:50,435 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:59:50,436 INFO L435 NwaCegarLoop]: 3935 mSDtfsCounter, 0 mSDsluCounter, 3929 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7864 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:59:50,436 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7864 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:59:50,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153343 states. [2024-12-02 14:59:54,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153343 to 153343. [2024-12-02 14:59:54,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153343 states, 112233 states have (on average 1.3471795283027275) internal successors, (151198), 114825 states have internal predecessors, (151198), 35538 states have call successors, (35538), 5588 states have call predecessors, (35538), 5571 states have return successors, (35569), 34691 states have call predecessors, (35569), 35537 states have call successors, (35569) [2024-12-02 14:59:55,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153343 states to 153343 states and 222305 transitions. [2024-12-02 14:59:55,993 INFO L78 Accepts]: Start accepts. Automaton has 153343 states and 222305 transitions. Word has length 237 [2024-12-02 14:59:55,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:59:55,993 INFO L471 AbstractCegarLoop]: Abstraction has 153343 states and 222305 transitions. [2024-12-02 14:59:55,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 14:59:55,993 INFO L276 IsEmpty]: Start isEmpty. Operand 153343 states and 222305 transitions. [2024-12-02 14:59:55,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-12-02 14:59:55,998 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:59:55,999 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:59:56,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 14:59:56,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-12-02 14:59:56,199 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:59:56,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:59:56,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1367331977, now seen corresponding path program 1 times [2024-12-02 14:59:56,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:59:56,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675682362] [2024-12-02 14:59:56,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:59:56,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:00:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:00:10,495 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-12-02 15:00:10,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:00:10,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675682362] [2024-12-02 15:00:10,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675682362] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:00:10,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905226694] [2024-12-02 15:00:10,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:00:10,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:00:10,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:00:10,497 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:00:10,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 15:00:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:00:25,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 5331 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 15:00:25,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:00:26,146 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-12-02 15:00:26,146 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:00:26,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [905226694] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:00:26,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:00:26,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2024-12-02 15:00:26,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749609238] [2024-12-02 15:00:26,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:00:26,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:00:26,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:00:26,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:00:26,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:00:26,148 INFO L87 Difference]: Start difference. First operand 153343 states and 222305 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 15:00:33,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:00:33,451 INFO L93 Difference]: Finished difference Result 383675 states and 556117 transitions. [2024-12-02 15:00:33,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:00:33,452 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 237 [2024-12-02 15:00:33,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:00:34,968 INFO L225 Difference]: With dead ends: 383675 [2024-12-02 15:00:34,968 INFO L226 Difference]: Without dead ends: 230365 [2024-12-02 15:00:36,011 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:00:36,012 INFO L435 NwaCegarLoop]: 4809 mSDtfsCounter, 3945 mSDsluCounter, 23118 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3949 SdHoareTripleChecker+Valid, 27927 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:00:36,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3949 Valid, 27927 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:00:36,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230365 states. [2024-12-02 15:00:42,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230365 to 229778. [2024-12-02 15:00:43,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229778 states, 168197 states have (on average 1.3473605355624654) internal successors, (226622), 172117 states have internal predecessors, (226622), 53208 states have call successors, (53208), 8365 states have call predecessors, (53208), 8372 states have return successors, (53335), 51931 states have call predecessors, (53335), 53207 states have call successors, (53335) [2024-12-02 15:00:45,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229778 states to 229778 states and 333165 transitions. [2024-12-02 15:00:45,392 INFO L78 Accepts]: Start accepts. Automaton has 229778 states and 333165 transitions. Word has length 237 [2024-12-02 15:00:45,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:00:45,393 INFO L471 AbstractCegarLoop]: Abstraction has 229778 states and 333165 transitions. [2024-12-02 15:00:45,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 15:00:45,393 INFO L276 IsEmpty]: Start isEmpty. Operand 229778 states and 333165 transitions. [2024-12-02 15:00:45,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-12-02 15:00:45,402 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:00:45,402 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:00:45,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-02 15:00:45,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-12-02 15:00:45,603 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:00:45,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:00:45,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1469117692, now seen corresponding path program 1 times [2024-12-02 15:00:45,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:00:45,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904248855] [2024-12-02 15:00:45,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:00:45,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:00:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:00:58,763 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-12-02 15:00:58,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:00:58,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904248855] [2024-12-02 15:00:58,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904248855] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:00:58,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566149539] [2024-12-02 15:00:58,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:00:58,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:00:58,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:00:58,767 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:00:58,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-02 15:01:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:01:15,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 5333 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 15:01:15,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:01:16,706 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-12-02 15:01:16,706 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:01:16,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566149539] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:01:16,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:01:16,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-12-02 15:01:16,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916420925] [2024-12-02 15:01:16,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:01:16,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:01:16,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:01:16,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:01:16,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:01:16,709 INFO L87 Difference]: Start difference. First operand 229778 states and 333165 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 15:01:28,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:01:28,289 INFO L93 Difference]: Finished difference Result 536757 states and 778021 transitions. [2024-12-02 15:01:28,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:01:28,290 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 238 [2024-12-02 15:01:28,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:01:30,400 INFO L225 Difference]: With dead ends: 536757 [2024-12-02 15:01:30,400 INFO L226 Difference]: Without dead ends: 307012 [2024-12-02 15:01:31,579 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-12-02 15:01:31,579 INFO L435 NwaCegarLoop]: 4473 mSDtfsCounter, 3945 mSDsluCounter, 21762 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3949 SdHoareTripleChecker+Valid, 26235 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:01:31,580 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3949 Valid, 26235 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:01:31,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307012 states. [2024-12-02 15:01:41,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307012 to 306341. [2024-12-02 15:01:42,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306341 states, 224241 states have (on average 1.347327205997119) internal successors, (302126), 229553 states have internal predecessors, (302126), 70878 states have call successors, (70878), 11142 states have call predecessors, (70878), 11221 states have return successors, (71149), 69155 states have call predecessors, (71149), 70877 states have call successors, (71149) [2024-12-02 15:01:44,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306341 states to 306341 states and 444153 transitions. [2024-12-02 15:01:44,836 INFO L78 Accepts]: Start accepts. Automaton has 306341 states and 444153 transitions. Word has length 238 [2024-12-02 15:01:44,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:01:44,837 INFO L471 AbstractCegarLoop]: Abstraction has 306341 states and 444153 transitions. [2024-12-02 15:01:44,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 15:01:44,837 INFO L276 IsEmpty]: Start isEmpty. Operand 306341 states and 444153 transitions. [2024-12-02 15:01:44,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-12-02 15:01:44,854 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:01:44,854 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:01:44,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-02 15:01:45,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-12-02 15:01:45,055 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:01:45,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:01:45,056 INFO L85 PathProgramCache]: Analyzing trace with hash -2144486142, now seen corresponding path program 1 times [2024-12-02 15:01:45,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:01:45,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917118321] [2024-12-02 15:01:45,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:01:45,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:01:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:01:58,694 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-12-02 15:01:58,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:01:58,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917118321] [2024-12-02 15:01:58,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917118321] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:01:58,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903515092] [2024-12-02 15:01:58,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:01:58,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:01:58,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:01:58,697 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:01:58,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-02 15:02:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:02:13,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 5335 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 15:02:13,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:02:14,171 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-12-02 15:02:14,171 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:02:14,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903515092] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:02:14,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:02:14,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-12-02 15:02:14,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331449510] [2024-12-02 15:02:14,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:02:14,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:02:14,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:02:14,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:02:14,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:02:14,173 INFO L87 Difference]: Start difference. First operand 306341 states and 444153 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 15:02:28,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:02:28,794 INFO L93 Difference]: Finished difference Result 689839 states and 999925 transitions. [2024-12-02 15:02:28,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:02:28,794 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 239 [2024-12-02 15:02:28,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:02:32,120 INFO L225 Difference]: With dead ends: 689839 [2024-12-02 15:02:32,120 INFO L226 Difference]: Without dead ends: 383531 [2024-12-02 15:02:33,735 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-12-02 15:02:33,736 INFO L435 NwaCegarLoop]: 4467 mSDtfsCounter, 3945 mSDsluCounter, 21738 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3949 SdHoareTripleChecker+Valid, 26205 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:02:33,736 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3949 Valid, 26205 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:02:33,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383531 states. [2024-12-02 15:02:44,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383531 to 306429. [2024-12-02 15:02:44,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306429 states, 224305 states have (on average 1.3472281045897327) internal successors, (302190), 229625 states have internal predecessors, (302190), 70878 states have call successors, (70878), 11142 states have call predecessors, (70878), 11245 states have return successors, (71185), 69171 states have call predecessors, (71185), 70877 states have call successors, (71185) [2024-12-02 15:02:47,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306429 states to 306429 states and 444253 transitions. [2024-12-02 15:02:47,943 INFO L78 Accepts]: Start accepts. Automaton has 306429 states and 444253 transitions. Word has length 239 [2024-12-02 15:02:47,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:02:47,943 INFO L471 AbstractCegarLoop]: Abstraction has 306429 states and 444253 transitions. [2024-12-02 15:02:47,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 15:02:47,944 INFO L276 IsEmpty]: Start isEmpty. Operand 306429 states and 444253 transitions. [2024-12-02 15:02:47,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-12-02 15:02:47,960 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:02:47,961 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:02:47,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-02 15:02:48,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-12-02 15:02:48,162 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:02:48,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:02:48,162 INFO L85 PathProgramCache]: Analyzing trace with hash -250846243, now seen corresponding path program 1 times [2024-12-02 15:02:48,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:02:48,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177308705] [2024-12-02 15:02:48,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:02:48,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:03:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:03:01,598 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-12-02 15:03:01,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:03:01,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177308705] [2024-12-02 15:03:01,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177308705] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:03:01,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764607411] [2024-12-02 15:03:01,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:03:01,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:03:01,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:03:01,601 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:03:01,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-02 15:03:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:03:17,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 5337 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 15:03:17,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:03:18,549 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-12-02 15:03:18,549 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:03:18,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764607411] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:03:18,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:03:18,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-12-02 15:03:18,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098508594] [2024-12-02 15:03:18,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:03:18,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:03:18,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:03:18,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:03:18,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:03:18,552 INFO L87 Difference]: Start difference. First operand 306429 states and 444253 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 15:03:32,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:03:32,200 INFO L93 Difference]: Finished difference Result 689959 states and 1000057 transitions. [2024-12-02 15:03:32,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:03:32,201 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 240 [2024-12-02 15:03:32,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:03:35,343 INFO L225 Difference]: With dead ends: 689959 [2024-12-02 15:03:35,343 INFO L226 Difference]: Without dead ends: 383563 [2024-12-02 15:03:36,951 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-12-02 15:03:36,951 INFO L435 NwaCegarLoop]: 4831 mSDtfsCounter, 3945 mSDsluCounter, 23194 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3949 SdHoareTripleChecker+Valid, 28025 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:03:36,952 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3949 Valid, 28025 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:03:37,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383563 states. [2024-12-02 15:03:47,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383563 to 306481. [2024-12-02 15:03:47,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306481 states, 224345 states have (on average 1.347166194922998) internal successors, (302230), 229661 states have internal predecessors, (302230), 70878 states have call successors, (70878), 11142 states have call predecessors, (70878), 11257 states have return successors, (71197), 69187 states have call predecessors, (71197), 70877 states have call successors, (71197) [2024-12-02 15:03:49,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306481 states to 306481 states and 444305 transitions. [2024-12-02 15:03:50,322 INFO L78 Accepts]: Start accepts. Automaton has 306481 states and 444305 transitions. Word has length 240 [2024-12-02 15:03:50,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:03:50,322 INFO L471 AbstractCegarLoop]: Abstraction has 306481 states and 444305 transitions. [2024-12-02 15:03:50,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 15:03:50,323 INFO L276 IsEmpty]: Start isEmpty. Operand 306481 states and 444305 transitions. [2024-12-02 15:03:50,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-12-02 15:03:50,335 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:03:50,336 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:03:50,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-12-02 15:03:50,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-12-02 15:03:50,536 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:03:50,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:03:50,537 INFO L85 PathProgramCache]: Analyzing trace with hash -38939244, now seen corresponding path program 1 times [2024-12-02 15:03:50,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:03:50,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205966266] [2024-12-02 15:03:50,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:03:50,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:04:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:04:03,695 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2024-12-02 15:04:03,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:04:03,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205966266] [2024-12-02 15:04:03,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205966266] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:04:03,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:04:03,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:04:03,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145880598] [2024-12-02 15:04:03,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:04:03,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:04:03,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:04:03,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:04:03,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:04:03,697 INFO L87 Difference]: Start difference. First operand 306481 states and 444305 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:04:14,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:04:14,968 INFO L93 Difference]: Finished difference Result 612929 states and 888567 transitions. [2024-12-02 15:04:14,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:04:14,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 265 [2024-12-02 15:04:14,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:04:17,594 INFO L225 Difference]: With dead ends: 612929 [2024-12-02 15:04:17,594 INFO L226 Difference]: Without dead ends: 306481 [2024-12-02 15:04:19,666 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:04:19,666 INFO L435 NwaCegarLoop]: 3934 mSDtfsCounter, 3932 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3932 SdHoareTripleChecker+Valid, 3934 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:04:19,667 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3932 Valid, 3934 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:04:20,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306481 states. [2024-12-02 15:04:29,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306481 to 306481. [2024-12-02 15:04:30,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306481 states, 224345 states have (on average 1.3465956451001806) internal successors, (302102), 229661 states have internal predecessors, (302102), 70878 states have call successors, (70878), 11142 states have call predecessors, (70878), 11257 states have return successors, (71197), 69187 states have call predecessors, (71197), 70877 states have call successors, (71197) [2024-12-02 15:04:32,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306481 states to 306481 states and 444177 transitions. [2024-12-02 15:04:32,983 INFO L78 Accepts]: Start accepts. Automaton has 306481 states and 444177 transitions. Word has length 265 [2024-12-02 15:04:32,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:04:32,983 INFO L471 AbstractCegarLoop]: Abstraction has 306481 states and 444177 transitions. [2024-12-02 15:04:32,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:04:32,984 INFO L276 IsEmpty]: Start isEmpty. Operand 306481 states and 444177 transitions. [2024-12-02 15:04:32,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-12-02 15:04:32,998 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:04:32,998 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:04:32,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 15:04:32,998 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:04:32,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:04:32,999 INFO L85 PathProgramCache]: Analyzing trace with hash -92490596, now seen corresponding path program 1 times [2024-12-02 15:04:32,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:04:32,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650415994] [2024-12-02 15:04:32,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:04:33,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:04:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:04:46,273 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 24 proven. 11 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2024-12-02 15:04:46,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:04:46,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650415994] [2024-12-02 15:04:46,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650415994] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:04:46,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408270100] [2024-12-02 15:04:46,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:04:46,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:04:46,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:04:46,277 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:04:46,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b08dff5e-7c43-4763-b0f4-5f1a0cb37130/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-02 15:05:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:05:01,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 5454 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 15:05:01,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:05:03,538 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2024-12-02 15:05:03,538 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:05:07,456 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2024-12-02 15:05:07,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408270100] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:05:07,456 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 15:05:07,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 18 [2024-12-02 15:05:07,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567412620] [2024-12-02 15:05:07,457 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 15:05:07,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 15:05:07,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:05:07,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 15:05:07,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:05:07,460 INFO L87 Difference]: Start difference. First operand 306481 states and 444177 transitions. Second operand has 18 states, 18 states have (on average 9.777777777777779) internal successors, (176), 14 states have internal predecessors, (176), 5 states have call successors, (44), 4 states have call predecessors, (44), 7 states have return successors, (38), 6 states have call predecessors, (38), 5 states have call successors, (38)