./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--dec--tulip--de4x5.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80bdd3a4-a969-4f19-8f27-e7aa5a32b422/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80bdd3a4-a969-4f19-8f27-e7aa5a32b422/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80bdd3a4-a969-4f19-8f27-e7aa5a32b422/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80bdd3a4-a969-4f19-8f27-e7aa5a32b422/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80bdd3a4-a969-4f19-8f27-e7aa5a32b422/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80bdd3a4-a969-4f19-8f27-e7aa5a32b422/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7a2974a33527a9392dca8d355734fee3e0faaae6e14749128119c28fd0f37e8f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:58:04,708 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:58:04,823 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80bdd3a4-a969-4f19-8f27-e7aa5a32b422/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 02:58:04,828 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:58:04,828 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:58:04,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:58:04,866 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:58:04,866 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:58:04,867 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:58:04,867 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:58:04,868 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:58:04,868 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:58:04,868 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:58:04,868 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:58:04,868 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:58:04,869 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:58:04,869 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:58:04,869 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:58:04,869 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:58:04,870 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:58:04,870 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:58:04,870 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:58:04,870 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:58:04,871 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:58:04,871 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:58:04,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:58:04,871 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:58:04,871 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:58:04,872 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:58:04,872 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:58:04,872 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:58:04,872 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:58:04,872 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:58:04,872 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:58:04,872 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:58:04,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:58:04,873 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:58:04,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:58:04,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:58:04,874 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:58:04,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:58:04,874 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:58:04,874 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:58:04,874 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:58:04,874 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_80bdd3a4-a969-4f19-8f27-e7aa5a32b422/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a2974a33527a9392dca8d355734fee3e0faaae6e14749128119c28fd0f37e8f [2024-11-14 02:58:05,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:58:05,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:58:05,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:58:05,222 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:58:05,222 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:58:05,224 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80bdd3a4-a969-4f19-8f27-e7aa5a32b422/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-14 02:58:07,065 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:58:08,021 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:58:08,022 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80bdd3a4-a969-4f19-8f27-e7aa5a32b422/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2024-11-14 02:58:08,102 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80bdd3a4-a969-4f19-8f27-e7aa5a32b422/bin/utaipan-verify-sOmjnqqW8E/data/b4032592e/ef5d013f488b4af886d29e75103ac8f3/FLAG285eed8b4 [2024-11-14 02:58:08,148 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80bdd3a4-a969-4f19-8f27-e7aa5a32b422/bin/utaipan-verify-sOmjnqqW8E/data/b4032592e/ef5d013f488b4af886d29e75103ac8f3 [2024-11-14 02:58:08,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:58:08,152 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:58:08,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:58:08,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:58:08,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:58:08,160 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:58:08" (1/1) ... [2024-11-14 02:58:08,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b8fb996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:08, skipping insertion in model container [2024-11-14 02:58:08,163 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:58:08" (1/1) ... [2024-11-14 02:58:08,352 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:58:11,382 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_80bdd3a4-a969-4f19-8f27-e7aa5a32b422/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i[386204,386217] [2024-11-14 02:58:11,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:58:11,533 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:58:11,712 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"); [5726] [2024-11-14 02:58:11,714 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)); [5733] [2024-11-14 02:58:11,716 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5741-5742] [2024-11-14 02:58:11,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5922] [2024-11-14 02:58:11,726 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5930] [2024-11-14 02:58:11,726 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5937] [2024-11-14 02:58:11,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5945] [2024-11-14 02:58:11,756 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)); [6193-6194] [2024-11-14 02:58:11,759 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)); [6222-6223] [2024-11-14 02:58:11,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6926] [2024-11-14 02:58:11,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7152] [2024-11-14 02:58:11,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7505] [2024-11-14 02:58:11,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7513] [2024-11-14 02:58:11,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7849] [2024-11-14 02:58:11,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7851] [2024-11-14 02:58:12,085 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10163] [2024-11-14 02:58:12,298 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_80bdd3a4-a969-4f19-8f27-e7aa5a32b422/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i[386204,386217] [2024-11-14 02:58:12,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:58:12,582 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:58:12,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:12 WrapperNode [2024-11-14 02:58:12,583 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:58:12,585 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:58:12,585 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:58:12,585 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:58:12,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:12" (1/1) ... [2024-11-14 02:58:12,738 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:12" (1/1) ... [2024-11-14 02:58:13,126 INFO L138 Inliner]: procedures = 333, calls = 3802, calls flagged for inlining = 139, calls inlined = 136, statements flattened = 8676 [2024-11-14 02:58:13,127 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:58:13,128 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:58:13,128 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:58:13,128 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:58:13,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:12" (1/1) ... [2024-11-14 02:58:13,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:12" (1/1) ... [2024-11-14 02:58:13,194 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:12" (1/1) ... [2024-11-14 02:58:13,194 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:12" (1/1) ... [2024-11-14 02:58:13,448 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:12" (1/1) ... [2024-11-14 02:58:13,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:12" (1/1) ... [2024-11-14 02:58:13,671 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:12" (1/1) ... [2024-11-14 02:58:13,711 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:12" (1/1) ... [2024-11-14 02:58:13,812 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:58:13,814 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:58:13,814 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:58:13,815 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:58:13,815 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:12" (1/1) ... [2024-11-14 02:58:13,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:58:13,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80bdd3a4-a969-4f19-8f27-e7aa5a32b422/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:58:13,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80bdd3a4-a969-4f19-8f27-e7aa5a32b422/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:58:13,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80bdd3a4-a969-4f19-8f27-e7aa5a32b422/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:58:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2024-11-14 02:58:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2024-11-14 02:58:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-11-14 02:58:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-11-14 02:58:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2024-11-14 02:58:13,884 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2024-11-14 02:58:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-14 02:58:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 02:58:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-14 02:58:13,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-14 02:58:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_interrupt [2024-11-14 02:58:13,885 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_interrupt [2024-11-14 02:58:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-14 02:58:13,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-14 02:58:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2024-11-14 02:58:13,885 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2024-11-14 02:58:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2024-11-14 02:58:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2024-11-14 02:58:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-14 02:58:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-14 02:58:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2024-11-14 02:58:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2024-11-14 02:58:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-14 02:58:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-14 02:58:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2024-11-14 02:58:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2024-11-14 02:58:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-14 02:58:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-14 02:58:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2024-11-14 02:58:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2024-11-14 02:58:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2024-11-14 02:58:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2024-11-14 02:58:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2024-11-14 02:58:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2024-11-14 02:58:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2024-11-14 02:58:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2024-11-14 02:58:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2024-11-14 02:58:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2024-11-14 02:58:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-14 02:58:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-14 02:58:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2024-11-14 02:58:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2024-11-14 02:58:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2024-11-14 02:58:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2024-11-14 02:58:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2024-11-14 02:58:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2024-11-14 02:58:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-14 02:58:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-14 02:58:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2024-11-14 02:58:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2024-11-14 02:58:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2024-11-14 02:58:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2024-11-14 02:58:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2024-11-14 02:58:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2024-11-14 02:58:13,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-14 02:58:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-14 02:58:13,888 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2024-11-14 02:58:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2024-11-14 02:58:13,888 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2024-11-14 02:58:13,891 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2024-11-14 02:58:13,892 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 02:58:13,892 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 02:58:13,892 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-14 02:58:13,892 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-14 02:58:13,892 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2024-11-14 02:58:13,893 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2024-11-14 02:58:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2024-11-14 02:58:13,893 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2024-11-14 02:58:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-14 02:58:13,893 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-14 02:58:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2024-11-14 02:58:13,894 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2024-11-14 02:58:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2024-11-14 02:58:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2024-11-14 02:58:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2024-11-14 02:58:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2024-11-14 02:58:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2024-11-14 02:58:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2024-11-14 02:58:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2024-11-14 02:58:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2024-11-14 02:58:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-11-14 02:58:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-11-14 02:58:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 02:58:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2024-11-14 02:58:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2024-11-14 02:58:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2024-11-14 02:58:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2024-11-14 02:58:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2024-11-14 02:58:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2024-11-14 02:58:13,896 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2024-11-14 02:58:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2024-11-14 02:58:13,896 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2024-11-14 02:58:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2024-11-14 02:58:13,896 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2024-11-14 02:58:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2024-11-14 02:58:13,896 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2024-11-14 02:58:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2024-11-14 02:58:13,896 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2024-11-14 02:58:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2024-11-14 02:58:13,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 02:58:13,896 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2024-11-14 02:58:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2024-11-14 02:58:13,896 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2024-11-14 02:58:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2024-11-14 02:58:13,896 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-14 02:58:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-14 02:58:13,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-14 02:58:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-14 02:58:13,897 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-14 02:58:13,897 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-14 02:58:13,897 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2024-11-14 02:58:13,897 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2024-11-14 02:58:13,897 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2024-11-14 02:58:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2024-11-14 02:58:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 02:58:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2024-11-14 02:58:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2024-11-14 02:58:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2024-11-14 02:58:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2024-11-14 02:58:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 02:58:13,901 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2024-11-14 02:58:13,901 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2024-11-14 02:58:13,901 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-14 02:58:13,901 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-14 02:58:13,901 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2024-11-14 02:58:13,901 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2024-11-14 02:58:13,901 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2024-11-14 02:58:13,901 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2024-11-14 02:58:13,901 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2024-11-14 02:58:13,901 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2024-11-14 02:58:13,901 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-14 02:58:13,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-14 02:58:13,902 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2024-11-14 02:58:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2024-11-14 02:58:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2024-11-14 02:58:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2024-11-14 02:58:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-14 02:58:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-14 02:58:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-14 02:58:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-14 02:58:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2024-11-14 02:58:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2024-11-14 02:58:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2024-11-14 02:58:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2024-11-14 02:58:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-14 02:58:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-14 02:58:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-14 02:58:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-14 02:58:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2024-11-14 02:58:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2024-11-14 02:58:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2024-11-14 02:58:13,904 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2024-11-14 02:58:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-14 02:58:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2024-11-14 02:58:13,904 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2024-11-14 02:58:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2024-11-14 02:58:13,904 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2024-11-14 02:58:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2024-11-14 02:58:13,904 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2024-11-14 02:58:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-14 02:58:13,904 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-14 02:58:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-14 02:58:13,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-14 02:58:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2024-11-14 02:58:13,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2024-11-14 02:58:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2024-11-14 02:58:13,904 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2024-11-14 02:58:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 02:58:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2024-11-14 02:58:13,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2024-11-14 02:58:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-11-14 02:58:13,904 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-11-14 02:58:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 02:58:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-14 02:58:13,905 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-14 02:58:13,905 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-14 02:58:13,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-14 02:58:13,905 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2024-11-14 02:58:13,905 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2024-11-14 02:58:13,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-14 02:58:13,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-14 02:58:13,907 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2024-11-14 02:58:13,907 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2024-11-14 02:58:13,907 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2024-11-14 02:58:13,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2024-11-14 02:58:13,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-14 02:58:13,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-14 02:58:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-14 02:58:13,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-14 02:58:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2024-11-14 02:58:13,908 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2024-11-14 02:58:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 02:58:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2024-11-14 02:58:13,908 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2024-11-14 02:58:13,909 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-14 02:58:13,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-14 02:58:13,909 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-14 02:58:13,909 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-14 02:58:13,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-14 02:58:13,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-14 02:58:13,909 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2024-11-14 02:58:13,909 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2024-11-14 02:58:13,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-14 02:58:13,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-14 02:58:13,909 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2024-11-14 02:58:13,909 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2024-11-14 02:58:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2024-11-14 02:58:13,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2024-11-14 02:58:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2024-11-14 02:58:13,910 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2024-11-14 02:58:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 02:58:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-14 02:58:13,910 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-14 02:58:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2024-11-14 02:58:13,911 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2024-11-14 02:58:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-14 02:58:13,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-14 02:58:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2024-11-14 02:58:13,911 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2024-11-14 02:58:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-14 02:58:13,911 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-14 02:58:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:58:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2024-11-14 02:58:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2024-11-14 02:58:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2024-11-14 02:58:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2024-11-14 02:58:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-14 02:58:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-14 02:58:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 02:58:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-14 02:58:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-14 02:58:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2024-11-14 02:58:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2024-11-14 02:58:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2024-11-14 02:58:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2024-11-14 02:58:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2024-11-14 02:58:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2024-11-14 02:58:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-14 02:58:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-14 02:58:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2024-11-14 02:58:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2024-11-14 02:58:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2024-11-14 02:58:13,914 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2024-11-14 02:58:13,915 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2024-11-14 02:58:13,915 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2024-11-14 02:58:13,915 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2024-11-14 02:58:13,915 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2024-11-14 02:58:13,915 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2024-11-14 02:58:13,915 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2024-11-14 02:58:13,915 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2024-11-14 02:58:13,915 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2024-11-14 02:58:13,915 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2024-11-14 02:58:13,915 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2024-11-14 02:58:13,915 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2024-11-14 02:58:13,915 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2024-11-14 02:58:13,915 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2024-11-14 02:58:13,915 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2024-11-14 02:58:13,916 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2024-11-14 02:58:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2024-11-14 02:58:13,916 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2024-11-14 02:58:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2024-11-14 02:58:13,916 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2024-11-14 02:58:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2024-11-14 02:58:13,916 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2024-11-14 02:58:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2024-11-14 02:58:13,916 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2024-11-14 02:58:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2024-11-14 02:58:13,916 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-14 02:58:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-14 02:58:13,916 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2024-11-14 02:58:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2024-11-14 02:58:13,916 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2024-11-14 02:58:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2024-11-14 02:58:13,916 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2024-11-14 02:58:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2024-11-14 02:58:13,916 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2024-11-14 02:58:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2024-11-14 02:58:13,916 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2024-11-14 02:58:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2024-11-14 02:58:13,916 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2024-11-14 02:58:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2024-11-14 02:58:13,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 02:58:13,917 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2024-11-14 02:58:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2024-11-14 02:58:13,917 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2024-11-14 02:58:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2024-11-14 02:58:13,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:58:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:58:13,917 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2024-11-14 02:58:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2024-11-14 02:58:15,348 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:58:15,355 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:58:15,962 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-14 02:58:36,224 INFO L? ?]: Removed 4690 outVars from TransFormulas that were not future-live. [2024-11-14 02:58:36,224 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:58:45,636 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:58:45,636 INFO L316 CfgBuilder]: Removed 18 assume(true) statements. [2024-11-14 02:58:45,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:58:45 BoogieIcfgContainer [2024-11-14 02:58:45,637 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:58:45,639 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:58:45,639 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:58:45,644 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:58:45,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:58:08" (1/3) ... [2024-11-14 02:58:45,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@242e1b10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:58:45, skipping insertion in model container [2024-11-14 02:58:45,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:12" (2/3) ... [2024-11-14 02:58:45,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@242e1b10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:58:45, skipping insertion in model container [2024-11-14 02:58:45,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:58:45" (3/3) ... [2024-11-14 02:58:45,646 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2024-11-14 02:58:45,663 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:58:45,666 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i that has 138 procedures, 2872 locations, 1 initial locations, 5 loop locations, and 1 error locations. [2024-11-14 02:58:45,780 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:58:45,792 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@485971b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:58:45,792 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:58:45,804 INFO L276 IsEmpty]: Start isEmpty. Operand has 2871 states, 1824 states have (on average 1.3448464912280702) internal successors, (2453), 1889 states have internal predecessors, (2453), 925 states have call successors, (925), 137 states have call predecessors, (925), 136 states have return successors, (917), 904 states have call predecessors, (917), 917 states have call successors, (917) [2024-11-14 02:58:45,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-14 02:58:45,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:58:45,831 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-14 02:58:45,831 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:58:45,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:58:45,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1667281474, now seen corresponding path program 1 times [2024-11-14 02:58:45,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:58:45,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472620512] [2024-11-14 02:58:45,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:58:45,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:58:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:58:56,545 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-14 02:58:56,546 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:58:56,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472620512] [2024-11-14 02:58:56,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472620512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:58:56,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:58:56,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 02:58:56,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209117158] [2024-11-14 02:58:56,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:58:56,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:58:56,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:58:56,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:58:56,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:58:56,585 INFO L87 Difference]: Start difference. First operand has 2871 states, 1824 states have (on average 1.3448464912280702) internal successors, (2453), 1889 states have internal predecessors, (2453), 925 states have call successors, (925), 137 states have call predecessors, (925), 136 states have return successors, (917), 904 states have call predecessors, (917), 917 states have call successors, (917) Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-14 02:58:58,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:59:01,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:59:18,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:59:18,409 INFO L93 Difference]: Finished difference Result 8262 states and 12609 transitions. [2024-11-14 02:59:18,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:59:18,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 102 [2024-11-14 02:59:18,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:59:18,500 INFO L225 Difference]: With dead ends: 8262 [2024-11-14 02:59:18,500 INFO L226 Difference]: Without dead ends: 5383 [2024-11-14 02:59:18,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:59:18,540 INFO L432 NwaCegarLoop]: 3783 mSDtfsCounter, 3845 mSDsluCounter, 3472 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3845 SdHoareTripleChecker+Valid, 7255 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:59:18,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3845 Valid, 7255 Invalid, 1384 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1376 Invalid, 1 Unknown, 0 Unchecked, 21.1s Time] [2024-11-14 02:59:18,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5383 states. [2024-11-14 02:59:19,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5383 to 5377. [2024-11-14 02:59:19,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5377 states, 3396 states have (on average 1.335394581861013) internal successors, (4535), 3478 states have internal predecessors, (4535), 1719 states have call successors, (1719), 262 states have call predecessors, (1719), 261 states have return successors, (1718), 1693 states have call predecessors, (1718), 1718 states have call successors, (1718) [2024-11-14 02:59:19,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5377 states to 5377 states and 7972 transitions. [2024-11-14 02:59:19,529 INFO L78 Accepts]: Start accepts. Automaton has 5377 states and 7972 transitions. Word has length 102 [2024-11-14 02:59:19,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:59:19,532 INFO L471 AbstractCegarLoop]: Abstraction has 5377 states and 7972 transitions. [2024-11-14 02:59:19,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-14 02:59:19,532 INFO L276 IsEmpty]: Start isEmpty. Operand 5377 states and 7972 transitions. [2024-11-14 02:59:19,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-14 02:59:19,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:59:19,551 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2024-11-14 02:59:19,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 02:59:19,552 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:59:19,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:59:19,553 INFO L85 PathProgramCache]: Analyzing trace with hash -919154949, now seen corresponding path program 1 times [2024-11-14 02:59:19,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:59:19,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749842838] [2024-11-14 02:59:19,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:59:19,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:59:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:59:29,351 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-14 02:59:29,353 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:59:29,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749842838] [2024-11-14 02:59:29,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749842838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:59:29,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:59:29,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 02:59:29,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047995512] [2024-11-14 02:59:29,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:59:29,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 02:59:29,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:59:29,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 02:59:29,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 02:59:29,357 INFO L87 Difference]: Start difference. First operand 5377 states and 7972 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 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) [2024-11-14 02:59:31,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:59:33,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:59:35,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:59:46,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:59:49,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:59:51,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:11,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:00:11,474 INFO L93 Difference]: Finished difference Result 16109 states and 24031 transitions. [2024-11-14 03:00:11,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 03:00:11,475 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 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 133 [2024-11-14 03:00:11,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:00:11,607 INFO L225 Difference]: With dead ends: 16109 [2024-11-14 03:00:11,608 INFO L226 Difference]: Without dead ends: 10749 [2024-11-14 03:00:11,669 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-14 03:00:11,670 INFO L432 NwaCegarLoop]: 3917 mSDtfsCounter, 4155 mSDsluCounter, 11413 mSDsCounter, 0 mSdLazyCounter, 2751 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4156 SdHoareTripleChecker+Valid, 15330 SdHoareTripleChecker+Invalid, 2757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2751 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.3s IncrementalHoareTripleChecker+Time [2024-11-14 03:00:11,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4156 Valid, 15330 Invalid, 2757 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2751 Invalid, 3 Unknown, 0 Unchecked, 41.3s Time] [2024-11-14 03:00:11,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10749 states. [2024-11-14 03:00:12,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10749 to 10728. [2024-11-14 03:00:12,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10728 states, 6780 states have (on average 1.3359882005899706) internal successors, (9058), 6948 states have internal predecessors, (9058), 3426 states have call successors, (3426), 522 states have call predecessors, (3426), 521 states have return successors, (3570), 3367 states have call predecessors, (3570), 3425 states have call successors, (3570) [2024-11-14 03:00:12,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10728 states to 10728 states and 16054 transitions. [2024-11-14 03:00:12,702 INFO L78 Accepts]: Start accepts. Automaton has 10728 states and 16054 transitions. Word has length 133 [2024-11-14 03:00:12,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:00:12,703 INFO L471 AbstractCegarLoop]: Abstraction has 10728 states and 16054 transitions. [2024-11-14 03:00:12,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 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) [2024-11-14 03:00:12,703 INFO L276 IsEmpty]: Start isEmpty. Operand 10728 states and 16054 transitions. [2024-11-14 03:00:12,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-14 03:00:12,713 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:00:12,713 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2024-11-14 03:00:12,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 03:00:12,717 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:00:12,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:00:12,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1592796081, now seen corresponding path program 1 times [2024-11-14 03:00:12,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:00:12,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356242304] [2024-11-14 03:00:12,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:00:12,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:00:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:00:22,555 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-14 03:00:22,556 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:00:22,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356242304] [2024-11-14 03:00:22,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356242304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:00:22,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:00:22,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:00:22,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022631572] [2024-11-14 03:00:22,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:00:22,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 03:00:22,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:00:22,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 03:00:22,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:00:22,558 INFO L87 Difference]: Start difference. First operand 10728 states and 16054 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 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) [2024-11-14 03:00:24,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:26,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:29,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:34,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:03,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:01:03,967 INFO L93 Difference]: Finished difference Result 22162 states and 33055 transitions. [2024-11-14 03:01:03,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 03:01:03,968 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 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 134 [2024-11-14 03:01:03,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:01:04,119 INFO L225 Difference]: With dead ends: 22162 [2024-11-14 03:01:04,120 INFO L226 Difference]: Without dead ends: 16112 [2024-11-14 03:01:04,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-14 03:01:04,167 INFO L432 NwaCegarLoop]: 3619 mSDtfsCounter, 4153 mSDsluCounter, 10742 mSDsCounter, 0 mSdLazyCounter, 2583 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4154 SdHoareTripleChecker+Valid, 14361 SdHoareTripleChecker+Invalid, 2589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2583 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:01:04,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4154 Valid, 14361 Invalid, 2589 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2583 Invalid, 3 Unknown, 0 Unchecked, 40.4s Time] [2024-11-14 03:01:04,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16112 states. [2024-11-14 03:01:05,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16112 to 16085. [2024-11-14 03:01:05,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16085 states, 10172 states have (on average 1.3359221392056626) internal successors, (13589), 10416 states have internal predecessors, (13589), 5131 states have call successors, (5131), 782 states have call predecessors, (5131), 781 states have return successors, (5420), 5049 states have call predecessors, (5420), 5130 states have call successors, (5420) [2024-11-14 03:01:05,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16085 states to 16085 states and 24140 transitions. [2024-11-14 03:01:05,416 INFO L78 Accepts]: Start accepts. Automaton has 16085 states and 24140 transitions. Word has length 134 [2024-11-14 03:01:05,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:01:05,416 INFO L471 AbstractCegarLoop]: Abstraction has 16085 states and 24140 transitions. [2024-11-14 03:01:05,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 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) [2024-11-14 03:01:05,418 INFO L276 IsEmpty]: Start isEmpty. Operand 16085 states and 24140 transitions. [2024-11-14 03:01:05,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-14 03:01:05,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:01:05,426 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2024-11-14 03:01:05,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 03:01:05,427 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:01:05,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:01:05,427 INFO L85 PathProgramCache]: Analyzing trace with hash 511436952, now seen corresponding path program 1 times [2024-11-14 03:01:05,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:01:05,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699443909] [2024-11-14 03:01:05,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:01:05,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:01:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:01:14,006 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-14 03:01:14,007 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:01:14,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699443909] [2024-11-14 03:01:14,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699443909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:01:14,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:01:14,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:01:14,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625279976] [2024-11-14 03:01:14,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:01:14,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 03:01:14,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:01:14,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 03:01:14,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:01:14,011 INFO L87 Difference]: Start difference. First operand 16085 states and 24140 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 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) [2024-11-14 03:01:16,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:18,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:20,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:52,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:01:52,595 INFO L93 Difference]: Finished difference Result 27529 states and 41149 transitions. [2024-11-14 03:01:52,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 03:01:52,596 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 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 135 [2024-11-14 03:01:52,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:01:52,753 INFO L225 Difference]: With dead ends: 27529 [2024-11-14 03:01:52,753 INFO L226 Difference]: Without dead ends: 16120 [2024-11-14 03:01:52,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-14 03:01:52,839 INFO L432 NwaCegarLoop]: 3619 mSDtfsCounter, 4152 mSDsluCounter, 10742 mSDsCounter, 0 mSdLazyCounter, 2583 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4153 SdHoareTripleChecker+Valid, 14361 SdHoareTripleChecker+Invalid, 2589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2583 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.7s IncrementalHoareTripleChecker+Time [2024-11-14 03:01:52,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4153 Valid, 14361 Invalid, 2589 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2583 Invalid, 3 Unknown, 0 Unchecked, 37.7s Time] [2024-11-14 03:01:52,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16120 states. [2024-11-14 03:01:53,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16120 to 16093. [2024-11-14 03:01:53,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16093 states, 10180 states have (on average 1.3356581532416503) internal successors, (13597), 10422 states have internal predecessors, (13597), 5129 states have call successors, (5129), 784 states have call predecessors, (5129), 783 states have return successors, (5418), 5049 states have call predecessors, (5418), 5128 states have call successors, (5418) [2024-11-14 03:01:54,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16093 states to 16093 states and 24144 transitions. [2024-11-14 03:01:54,085 INFO L78 Accepts]: Start accepts. Automaton has 16093 states and 24144 transitions. Word has length 135 [2024-11-14 03:01:54,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:01:54,086 INFO L471 AbstractCegarLoop]: Abstraction has 16093 states and 24144 transitions. [2024-11-14 03:01:54,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 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) [2024-11-14 03:01:54,086 INFO L276 IsEmpty]: Start isEmpty. Operand 16093 states and 24144 transitions. [2024-11-14 03:01:54,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-14 03:01:54,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:01:54,093 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2024-11-14 03:01:54,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 03:01:54,093 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:01:54,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:01:54,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1464544116, now seen corresponding path program 1 times [2024-11-14 03:01:54,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:01:54,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810440265] [2024-11-14 03:01:54,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:01:54,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:02:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:02:03,336 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-14 03:02:03,336 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:02:03,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810440265] [2024-11-14 03:02:03,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810440265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:02:03,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:02:03,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:02:03,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912574996] [2024-11-14 03:02:03,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:02:03,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 03:02:03,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:02:03,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 03:02:03,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:02:03,339 INFO L87 Difference]: Start difference. First operand 16093 states and 24144 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 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) [2024-11-14 03:02:05,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:02:07,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:02:09,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:02:14,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:02:15,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:02:18,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:02:48,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:02:48,104 INFO L93 Difference]: Finished difference Result 27523 states and 41131 transitions. [2024-11-14 03:02:48,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 03:02:48,105 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 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 136 [2024-11-14 03:02:48,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:02:48,254 INFO L225 Difference]: With dead ends: 27523 [2024-11-14 03:02:48,254 INFO L226 Difference]: Without dead ends: 16104 [2024-11-14 03:02:48,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-14 03:02:48,336 INFO L432 NwaCegarLoop]: 3619 mSDtfsCounter, 4151 mSDsluCounter, 10742 mSDsCounter, 0 mSdLazyCounter, 2583 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4152 SdHoareTripleChecker+Valid, 14361 SdHoareTripleChecker+Invalid, 2589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2583 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.8s IncrementalHoareTripleChecker+Time [2024-11-14 03:02:48,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4152 Valid, 14361 Invalid, 2589 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2583 Invalid, 3 Unknown, 0 Unchecked, 43.8s Time] [2024-11-14 03:02:48,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16104 states. [2024-11-14 03:02:49,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16104 to 16079. [2024-11-14 03:02:49,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16079 states, 10170 states have (on average 1.3353982300884957) internal successors, (13581), 10410 states have internal predecessors, (13581), 5125 states have call successors, (5125), 784 states have call predecessors, (5125), 783 states have return successors, (5414), 5047 states have call predecessors, (5414), 5124 states have call successors, (5414) [2024-11-14 03:02:49,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16079 states to 16079 states and 24120 transitions. [2024-11-14 03:02:49,544 INFO L78 Accepts]: Start accepts. Automaton has 16079 states and 24120 transitions. Word has length 136 [2024-11-14 03:02:49,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:02:49,544 INFO L471 AbstractCegarLoop]: Abstraction has 16079 states and 24120 transitions. [2024-11-14 03:02:49,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 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) [2024-11-14 03:02:49,545 INFO L276 IsEmpty]: Start isEmpty. Operand 16079 states and 24120 transitions. [2024-11-14 03:02:49,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-14 03:02:49,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:02:49,549 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2024-11-14 03:02:49,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 03:02:49,550 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:02:49,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:02:49,551 INFO L85 PathProgramCache]: Analyzing trace with hash -280240761, now seen corresponding path program 1 times [2024-11-14 03:02:49,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:02:49,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069277988] [2024-11-14 03:02:49,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:02:49,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:02:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:03:00,481 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-14 03:03:00,483 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:03:00,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069277988] [2024-11-14 03:03:00,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069277988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:03:00,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:03:00,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:03:00,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579723407] [2024-11-14 03:03:00,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:03:00,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 03:03:00,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:03:00,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 03:03:00,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:03:00,486 INFO L87 Difference]: Start difference. First operand 16079 states and 24120 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 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) [2024-11-14 03:03:02,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:03:04,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:03:06,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:03:20,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:03:22,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:03:47,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:03:47,224 INFO L93 Difference]: Finished difference Result 48245 states and 72362 transitions. [2024-11-14 03:03:47,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 03:03:47,225 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 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 136 [2024-11-14 03:03:47,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:03:47,578 INFO L225 Difference]: With dead ends: 48245 [2024-11-14 03:03:47,578 INFO L226 Difference]: Without dead ends: 32183 [2024-11-14 03:03:47,738 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-14 03:03:47,741 INFO L432 NwaCegarLoop]: 3534 mSDtfsCounter, 4156 mSDsluCounter, 10572 mSDsCounter, 0 mSdLazyCounter, 2555 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4157 SdHoareTripleChecker+Valid, 14106 SdHoareTripleChecker+Invalid, 2560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2555 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:03:47,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4157 Valid, 14106 Invalid, 2560 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2555 Invalid, 3 Unknown, 0 Unchecked, 45.1s Time] [2024-11-14 03:03:47,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32183 states. [2024-11-14 03:03:50,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32183 to 32144. [2024-11-14 03:03:50,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32144 states, 20330 states have (on average 1.3355632070831285) internal successors, (27152), 20834 states have internal predecessors, (27152), 10242 states have call successors, (10242), 1572 states have call predecessors, (10242), 1571 states have return successors, (10821), 10063 states have call predecessors, (10821), 10241 states have call successors, (10821) [2024-11-14 03:03:50,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32144 states to 32144 states and 48215 transitions. [2024-11-14 03:03:50,680 INFO L78 Accepts]: Start accepts. Automaton has 32144 states and 48215 transitions. Word has length 136 [2024-11-14 03:03:50,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:03:50,682 INFO L471 AbstractCegarLoop]: Abstraction has 32144 states and 48215 transitions. [2024-11-14 03:03:50,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 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) [2024-11-14 03:03:50,682 INFO L276 IsEmpty]: Start isEmpty. Operand 32144 states and 48215 transitions. [2024-11-14 03:03:50,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-14 03:03:50,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:03:50,689 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2024-11-14 03:03:50,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 03:03:50,689 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:03:50,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:03:50,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1415581158, now seen corresponding path program 1 times [2024-11-14 03:03:50,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:03:50,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503581725] [2024-11-14 03:03:50,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:03:50,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:04:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:04:04,228 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-14 03:04:04,228 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:04:04,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503581725] [2024-11-14 03:04:04,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503581725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:04:04,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:04:04,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:04:04,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728340029] [2024-11-14 03:04:04,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:04:04,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 03:04:04,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:04:04,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 03:04:04,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:04:04,231 INFO L87 Difference]: Start difference. First operand 32144 states and 48215 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 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) [2024-11-14 03:04:06,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:08,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:10,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:22,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:42,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:04:42,601 INFO L93 Difference]: Finished difference Result 50348 states and 75180 transitions. [2024-11-14 03:04:42,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 03:04:42,602 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 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 137 [2024-11-14 03:04:42,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:04:42,981 INFO L225 Difference]: With dead ends: 50348 [2024-11-14 03:04:42,981 INFO L226 Difference]: Without dead ends: 32216 [2024-11-14 03:04:43,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-14 03:04:43,156 INFO L432 NwaCegarLoop]: 3537 mSDtfsCounter, 4154 mSDsluCounter, 7061 mSDsCounter, 0 mSdLazyCounter, 1918 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4155 SdHoareTripleChecker+Valid, 10598 SdHoareTripleChecker+Invalid, 1923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1918 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:04:43,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4155 Valid, 10598 Invalid, 1923 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1918 Invalid, 4 Unknown, 0 Unchecked, 36.5s Time] [2024-11-14 03:04:43,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32216 states. [2024-11-14 03:04:45,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32216 to 32168. [2024-11-14 03:04:45,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32168 states, 20354 states have (on average 1.3351675346369265) internal successors, (27176), 20852 states have internal predecessors, (27176), 10236 states have call successors, (10236), 1578 states have call predecessors, (10236), 1577 states have return successors, (10815), 10063 states have call predecessors, (10815), 10235 states have call successors, (10815) [2024-11-14 03:04:46,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32168 states to 32168 states and 48227 transitions. [2024-11-14 03:04:46,127 INFO L78 Accepts]: Start accepts. Automaton has 32168 states and 48227 transitions. Word has length 137 [2024-11-14 03:04:46,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:04:46,127 INFO L471 AbstractCegarLoop]: Abstraction has 32168 states and 48227 transitions. [2024-11-14 03:04:46,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 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) [2024-11-14 03:04:46,128 INFO L276 IsEmpty]: Start isEmpty. Operand 32168 states and 48227 transitions. [2024-11-14 03:04:46,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-14 03:04:46,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:04:46,134 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2024-11-14 03:04:46,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 03:04:46,135 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:04:46,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:04:46,135 INFO L85 PathProgramCache]: Analyzing trace with hash -739123452, now seen corresponding path program 1 times [2024-11-14 03:04:46,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:04:46,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261176622] [2024-11-14 03:04:46,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:04:46,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:04:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:04:58,356 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-14 03:04:58,357 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:04:58,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261176622] [2024-11-14 03:04:58,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261176622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:04:58,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:04:58,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:04:58,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243356772] [2024-11-14 03:04:58,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:04:58,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 03:04:58,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:04:58,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 03:04:58,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:04:58,361 INFO L87 Difference]: Start difference. First operand 32168 states and 48227 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2024-11-14 03:05:00,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:05:02,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:05:04,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:05:35,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:05:35,935 INFO L93 Difference]: Finished difference Result 50402 states and 75216 transitions. [2024-11-14 03:05:35,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 03:05:35,936 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 138 [2024-11-14 03:05:35,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:05:36,306 INFO L225 Difference]: With dead ends: 50402 [2024-11-14 03:05:36,306 INFO L226 Difference]: Without dead ends: 32240 [2024-11-14 03:05:36,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-14 03:05:36,481 INFO L432 NwaCegarLoop]: 3537 mSDtfsCounter, 4153 mSDsluCounter, 7061 mSDsCounter, 0 mSdLazyCounter, 1919 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4154 SdHoareTripleChecker+Valid, 10598 SdHoareTripleChecker+Invalid, 1923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1919 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:05:36,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4154 Valid, 10598 Invalid, 1923 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1919 Invalid, 3 Unknown, 0 Unchecked, 35.5s Time] [2024-11-14 03:05:36,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32240 states. [2024-11-14 03:05:39,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32240 to 32192. [2024-11-14 03:05:39,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32192 states, 20378 states have (on average 1.3347727941898127) internal successors, (27200), 20870 states have internal predecessors, (27200), 10230 states have call successors, (10230), 1584 states have call predecessors, (10230), 1583 states have return successors, (10809), 10063 states have call predecessors, (10809), 10229 states have call successors, (10809) [2024-11-14 03:05:39,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32192 states to 32192 states and 48239 transitions. [2024-11-14 03:05:39,408 INFO L78 Accepts]: Start accepts. Automaton has 32192 states and 48239 transitions. Word has length 138 [2024-11-14 03:05:39,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:05:39,408 INFO L471 AbstractCegarLoop]: Abstraction has 32192 states and 48239 transitions. [2024-11-14 03:05:39,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2024-11-14 03:05:39,409 INFO L276 IsEmpty]: Start isEmpty. Operand 32192 states and 48239 transitions. [2024-11-14 03:05:39,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-14 03:05:39,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:05:39,416 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2024-11-14 03:05:39,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 03:05:39,417 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:05:39,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:05:39,417 INFO L85 PathProgramCache]: Analyzing trace with hash 268500599, now seen corresponding path program 1 times [2024-11-14 03:05:39,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:05:39,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087606884] [2024-11-14 03:05:39,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:05:39,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms