./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-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb9990a-48e2-462b-ba63-40e083ad3d8c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb9990a-48e2-462b-ba63-40e083ad3d8c/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb9990a-48e2-462b-ba63-40e083ad3d8c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb9990a-48e2-462b-ba63-40e083ad3d8c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb9990a-48e2-462b-ba63-40e083ad3d8c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb9990a-48e2-462b-ba63-40e083ad3d8c/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 23d46efee111c0a45a3867407d9a89b7bd0cff6d84b63cde907bbbf6a6e45644 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:05:12,391 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:05:12,498 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb9990a-48e2-462b-ba63-40e083ad3d8c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-27 20:05:12,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:05:12,505 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:05:12,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:05:12,538 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:05:12,539 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:05:12,539 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:05:12,540 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:05:12,540 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:05:12,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:05:12,540 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:05:12,541 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:05:12,541 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:05:12,541 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:05:12,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:05:12,542 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:05:12,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:05:12,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:05:12,546 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:05:12,546 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:05:12,546 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:05:12,547 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:05:12,547 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:05:12,547 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:05:12,547 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:05:12,547 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:05:12,547 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:05:12,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:05:12,548 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:05:12,548 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:05:12,548 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:05:12,548 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:05:12,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:05:12,548 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:05:12,548 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:05:12,548 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:05:12,548 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:05:12,548 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:05:12,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:05:12,549 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:05:12,549 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:05:12,549 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:05:12,549 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:05:12,549 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb9990a-48e2-462b-ba63-40e083ad3d8c/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23d46efee111c0a45a3867407d9a89b7bd0cff6d84b63cde907bbbf6a6e45644 [2024-11-27 20:05:12,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:05:12,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:05:12,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:05:12,914 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:05:12,915 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:05:12,916 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb9990a-48e2-462b-ba63-40e083ad3d8c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i [2024-11-27 20:05:16,679 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb9990a-48e2-462b-ba63-40e083ad3d8c/bin/uautomizer-verify-aQ6SnzHsRB/data/3e9c10546/de988686c025462c8e468d90ed0773bf/FLAG5e5560c99 [2024-11-27 20:05:17,824 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:05:17,825 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb9990a-48e2-462b-ba63-40e083ad3d8c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i [2024-11-27 20:05:17,904 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb9990a-48e2-462b-ba63-40e083ad3d8c/bin/uautomizer-verify-aQ6SnzHsRB/data/3e9c10546/de988686c025462c8e468d90ed0773bf/FLAG5e5560c99 [2024-11-27 20:05:18,255 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb9990a-48e2-462b-ba63-40e083ad3d8c/bin/uautomizer-verify-aQ6SnzHsRB/data/3e9c10546/de988686c025462c8e468d90ed0773bf [2024-11-27 20:05:18,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:05:18,259 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:05:18,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:05:18,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:05:18,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:05:18,268 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:05:18" (1/1) ... [2024-11-27 20:05:18,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e6bf2f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:18, skipping insertion in model container [2024-11-27 20:05:18,269 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:05:18" (1/1) ... [2024-11-27 20:05:18,449 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:05:21,647 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_ddb9990a-48e2-462b-ba63-40e083ad3d8c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i[358518,358531] [2024-11-27 20:05:22,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:05:22,042 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:05:22,226 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [4662-4663] [2024-11-27 20:05:22,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [4672] [2024-11-27 20:05:22,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [4679] [2024-11-27 20:05:22,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4712] [2024-11-27 20:05:22,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4715] [2024-11-27 20:05:22,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4718] [2024-11-27 20:05:22,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4721] [2024-11-27 20:05:22,265 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/linux/scatterlist.h"), "i" (90), "i" (12UL)); [5106-5107] [2024-11-27 20:05:22,266 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/linux/scatterlist.h"), "i" (92), "i" (12UL)); [5114-5115] [2024-11-27 20:05:22,266 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/linux/scatterlist.h"), "i" (93), "i" (12UL)); [5122-5123] [2024-11-27 20:05:22,269 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/linux/scatterlist.h"), "i" (123), "i" (12UL)); [5149-5150] [2024-11-27 20:05:22,271 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/linux/scatterlist.h"), "i" (124), "i" (12UL)); [5157-5158] [2024-11-27 20:05:22,978 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_ddb9990a-48e2-462b-ba63-40e083ad3d8c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i[358518,358531] [2024-11-27 20:05:23,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:05:23,151 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:05:23,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:23 WrapperNode [2024-11-27 20:05:23,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:05:23,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:05:23,154 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:05:23,155 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:05:23,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:23" (1/1) ... [2024-11-27 20:05:23,318 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:23" (1/1) ... [2024-11-27 20:05:23,757 INFO L138 Inliner]: procedures = 318, calls = 4329, calls flagged for inlining = 124, calls inlined = 116, statements flattened = 10558 [2024-11-27 20:05:23,758 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:05:23,759 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:05:23,759 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:05:23,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:05:23,773 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:23" (1/1) ... [2024-11-27 20:05:23,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:23" (1/1) ... [2024-11-27 20:05:23,839 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:23" (1/1) ... [2024-11-27 20:05:26,523 INFO L175 MemorySlicer]: Split 2903 memory accesses to 35 slices as follows [1, 1, 8, 7, 5, 2, 2, 1, 6, 2, 10, 1, 3, 13, 2, 9, 4, 31, 2543, 1, 4, 7, 5, 8, 2, 8, 2, 10, 4, 5, 29, 16, 5, 96, 50]. 88 percent of accesses are in the largest equivalence class. The 209 initializations are split as follows [0, 1, 8, 7, 5, 2, 2, 1, 6, 2, 10, 0, 3, 0, 2, 9, 4, 0, 46, 1, 4, 7, 5, 8, 2, 8, 2, 0, 4, 5, 0, 0, 5, 0, 50]. The 1102 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13, 0, 0, 0, 24, 923, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 29, 16, 0, 96, 0]. [2024-11-27 20:05:26,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:23" (1/1) ... [2024-11-27 20:05:26,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:23" (1/1) ... [2024-11-27 20:05:26,842 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:23" (1/1) ... [2024-11-27 20:05:26,867 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:23" (1/1) ... [2024-11-27 20:05:26,937 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:23" (1/1) ... [2024-11-27 20:05:27,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:23" (1/1) ... [2024-11-27 20:05:27,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:23" (1/1) ... [2024-11-27 20:05:27,201 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:05:27,202 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:05:27,203 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:05:27,203 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:05:27,207 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:23" (1/1) ... [2024-11-27 20:05:27,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:05:27,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb9990a-48e2-462b-ba63-40e083ad3d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:27,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb9990a-48e2-462b-ba63-40e083ad3d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:05:27,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb9990a-48e2-462b-ba63-40e083ad3d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:05:27,302 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-11-27 20:05:27,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-11-27 20:05:27,302 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2024-11-27 20:05:27,303 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2024-11-27 20:05:27,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-11-27 20:05:27,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-11-27 20:05:27,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-11-27 20:05:27,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-11-27 20:05:27,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-11-27 20:05:27,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-11-27 20:05:27,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-11-27 20:05:27,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-11-27 20:05:27,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-11-27 20:05:27,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-11-27 20:05:27,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-11-27 20:05:27,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-11-27 20:05:27,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-11-27 20:05:27,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-11-27 20:05:27,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-11-27 20:05:27,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-11-27 20:05:27,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-11-27 20:05:27,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-11-27 20:05:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-11-27 20:05:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2024-11-27 20:05:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2024-11-27 20:05:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#21 [2024-11-27 20:05:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#22 [2024-11-27 20:05:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#23 [2024-11-27 20:05:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#24 [2024-11-27 20:05:27,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#25 [2024-11-27 20:05:27,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#26 [2024-11-27 20:05:27,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#27 [2024-11-27 20:05:27,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#28 [2024-11-27 20:05:27,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#29 [2024-11-27 20:05:27,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#30 [2024-11-27 20:05:27,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#31 [2024-11-27 20:05:27,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#32 [2024-11-27 20:05:27,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#33 [2024-11-27 20:05:27,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#34 [2024-11-27 20:05:27,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-11-27 20:05:27,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-11-27 20:05:27,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-11-27 20:05:27,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-11-27 20:05:27,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-11-27 20:05:27,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-11-27 20:05:27,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-11-27 20:05:27,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-11-27 20:05:27,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-11-27 20:05:27,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-11-27 20:05:27,312 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-11-27 20:05:27,312 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-11-27 20:05:27,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-11-27 20:05:27,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-11-27 20:05:27,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-11-27 20:05:27,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-11-27 20:05:27,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-11-27 20:05:27,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-11-27 20:05:27,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-11-27 20:05:27,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2024-11-27 20:05:27,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2024-11-27 20:05:27,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#21 [2024-11-27 20:05:27,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#22 [2024-11-27 20:05:27,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#23 [2024-11-27 20:05:27,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#24 [2024-11-27 20:05:27,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#25 [2024-11-27 20:05:27,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#26 [2024-11-27 20:05:27,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#27 [2024-11-27 20:05:27,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#28 [2024-11-27 20:05:27,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#29 [2024-11-27 20:05:27,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#30 [2024-11-27 20:05:27,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#31 [2024-11-27 20:05:27,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#32 [2024-11-27 20:05:27,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#33 [2024-11-27 20:05:27,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#34 [2024-11-27 20:05:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-27 20:05:27,316 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-27 20:05:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-27 20:05:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-27 20:05:27,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-27 20:05:27,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-27 20:05:27,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-27 20:05:27,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-27 20:05:27,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-27 20:05:27,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-27 20:05:27,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-27 20:05:27,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-27 20:05:27,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-27 20:05:27,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-27 20:05:27,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-27 20:05:27,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-27 20:05:27,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-27 20:05:27,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-27 20:05:27,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-27 20:05:27,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-27 20:05:27,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-27 20:05:27,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-27 20:05:27,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-11-27 20:05:27,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-11-27 20:05:27,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-11-27 20:05:27,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2024-11-27 20:05:27,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2024-11-27 20:05:27,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#25 [2024-11-27 20:05:27,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#26 [2024-11-27 20:05:27,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#27 [2024-11-27 20:05:27,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#28 [2024-11-27 20:05:27,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#29 [2024-11-27 20:05:27,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#30 [2024-11-27 20:05:27,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#31 [2024-11-27 20:05:27,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#32 [2024-11-27 20:05:27,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#33 [2024-11-27 20:05:27,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#34 [2024-11-27 20:05:27,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-27 20:05:27,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-27 20:05:27,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-27 20:05:27,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-27 20:05:27,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-27 20:05:27,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-27 20:05:27,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-27 20:05:27,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-27 20:05:27,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-27 20:05:27,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-27 20:05:27,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-27 20:05:27,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-27 20:05:27,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-27 20:05:27,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-27 20:05:27,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-27 20:05:27,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-27 20:05:27,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-27 20:05:27,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-27 20:05:27,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-27 20:05:27,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-27 20:05:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-27 20:05:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-27 20:05:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-27 20:05:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-27 20:05:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-11-27 20:05:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2024-11-27 20:05:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2024-11-27 20:05:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2024-11-27 20:05:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2024-11-27 20:05:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2024-11-27 20:05:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#30 [2024-11-27 20:05:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#31 [2024-11-27 20:05:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#32 [2024-11-27 20:05:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#33 [2024-11-27 20:05:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#34 [2024-11-27 20:05:27,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-27 20:05:27,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-27 20:05:27,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-27 20:05:27,329 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-27 20:05:27,329 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2024-11-27 20:05:27,329 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2024-11-27 20:05:27,329 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2024-11-27 20:05:27,329 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2024-11-27 20:05:27,329 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2024-11-27 20:05:27,329 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2024-11-27 20:05:27,329 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-27 20:05:27,329 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-27 20:05:27,329 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2024-11-27 20:05:27,329 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2024-11-27 20:05:27,334 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2024-11-27 20:05:27,334 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2024-11-27 20:05:27,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-27 20:05:27,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-27 20:05:27,334 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2024-11-27 20:05:27,335 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2024-11-27 20:05:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2024-11-27 20:05:27,335 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2024-11-27 20:05:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_osst_tape [2024-11-27 20:05:27,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_osst_tape [2024-11-27 20:05:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2024-11-27 20:05:27,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2024-11-27 20:05:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-27 20:05:27,335 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-27 20:05:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-27 20:05:27,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-27 20:05:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2024-11-27 20:05:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2024-11-27 20:05:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2024-11-27 20:05:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2024-11-27 20:05:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2024-11-27 20:05:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2024-11-27 20:05:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2024-11-27 20:05:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2024-11-27 20:05:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-27 20:05:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-27 20:05:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-27 20:05:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-27 20:05:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-27 20:05:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-27 20:05:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-27 20:05:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-27 20:05:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-27 20:05:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-27 20:05:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-27 20:05:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-27 20:05:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-27 20:05:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-27 20:05:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-27 20:05:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-27 20:05:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-27 20:05:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-27 20:05:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-27 20:05:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-11-27 20:05:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-11-27 20:05:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-11-27 20:05:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-11-27 20:05:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2024-11-27 20:05:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2024-11-27 20:05:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2024-11-27 20:05:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2024-11-27 20:05:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#27 [2024-11-27 20:05:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#28 [2024-11-27 20:05:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#29 [2024-11-27 20:05:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#30 [2024-11-27 20:05:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#31 [2024-11-27 20:05:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#32 [2024-11-27 20:05:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#33 [2024-11-27 20:05:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#34 [2024-11-27 20:05:27,338 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-27 20:05:27,338 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-27 20:05:27,338 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-27 20:05:27,339 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-27 20:05:27,339 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-27 20:05:27,339 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-27 20:05:27,339 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-27 20:05:27,339 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-27 20:05:27,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-27 20:05:27,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-27 20:05:27,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-27 20:05:27,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-27 20:05:27,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-27 20:05:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-27 20:05:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-27 20:05:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-27 20:05:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-27 20:05:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-27 20:05:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-27 20:05:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-11-27 20:05:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-11-27 20:05:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-11-27 20:05:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-11-27 20:05:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2024-11-27 20:05:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2024-11-27 20:05:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2024-11-27 20:05:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2024-11-27 20:05:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#27 [2024-11-27 20:05:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#28 [2024-11-27 20:05:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#29 [2024-11-27 20:05:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#30 [2024-11-27 20:05:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#31 [2024-11-27 20:05:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#32 [2024-11-27 20:05:27,345 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#33 [2024-11-27 20:05:27,345 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#34 [2024-11-27 20:05:27,345 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:05:27,345 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:05:27,345 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2024-11-27 20:05:27,345 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2024-11-27 20:05:27,345 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2024-11-27 20:05:27,345 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2024-11-27 20:05:27,345 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-27 20:05:27,345 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-27 20:05:27,345 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2024-11-27 20:05:27,345 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2024-11-27 20:05:27,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_osst_int_mutex [2024-11-27 20:05:27,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_osst_int_mutex [2024-11-27 20:05:27,345 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2024-11-27 20:05:27,345 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2024-11-27 20:05:27,345 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2024-11-27 20:05:27,345 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2024-11-27 20:05:27,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 20:05:27,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_osst_int_mutex [2024-11-27 20:05:27,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_osst_int_mutex [2024-11-27 20:05:27,346 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2024-11-27 20:05:27,346 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2024-11-27 20:05:27,346 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2024-11-27 20:05:27,346 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2024-11-27 20:05:27,346 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2024-11-27 20:05:27,347 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2024-11-27 20:05:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 20:05:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 20:05:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 20:05:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-27 20:05:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-27 20:05:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-27 20:05:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-27 20:05:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-27 20:05:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-27 20:05:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-27 20:05:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-27 20:05:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-27 20:05:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-27 20:05:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-27 20:05:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-27 20:05:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-27 20:05:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-27 20:05:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-27 20:05:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-27 20:05:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-27 20:05:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-27 20:05:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-27 20:05:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-27 20:05:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-27 20:05:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-27 20:05:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-11-27 20:05:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-11-27 20:05:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2024-11-27 20:05:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2024-11-27 20:05:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2024-11-27 20:05:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2024-11-27 20:05:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#31 [2024-11-27 20:05:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#32 [2024-11-27 20:05:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#33 [2024-11-27 20:05:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#34 [2024-11-27 20:05:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_26 [2024-11-27 20:05:27,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_26 [2024-11-27 20:05:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2024-11-27 20:05:27,349 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2024-11-27 20:05:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2024-11-27 20:05:27,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2024-11-27 20:05:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-27 20:05:27,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-27 20:05:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2024-11-27 20:05:27,349 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2024-11-27 20:05:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2024-11-27 20:05:27,349 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2024-11-27 20:05:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-11-27 20:05:27,349 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-11-27 20:05:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2024-11-27 20:05:27,349 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2024-11-27 20:05:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 20:05:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2024-11-27 20:05:27,349 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2024-11-27 20:05:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-27 20:05:27,349 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-27 20:05:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-27 20:05:27,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-27 20:05:27,350 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-27 20:05:27,350 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-27 20:05:27,350 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-27 20:05:27,350 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-27 20:05:27,350 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2024-11-27 20:05:27,350 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2024-11-27 20:05:27,350 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-27 20:05:27,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-27 20:05:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2024-11-27 20:05:27,355 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2024-11-27 20:05:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2024-11-27 20:05:27,355 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2024-11-27 20:05:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-27 20:05:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-27 20:05:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-27 20:05:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-27 20:05:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-27 20:05:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-27 20:05:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-27 20:05:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-27 20:05:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-27 20:05:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-27 20:05:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-27 20:05:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-27 20:05:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-27 20:05:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-27 20:05:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-27 20:05:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-27 20:05:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-27 20:05:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-27 20:05:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-27 20:05:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-27 20:05:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-11-27 20:05:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-11-27 20:05:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-11-27 20:05:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2024-11-27 20:05:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2024-11-27 20:05:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#25 [2024-11-27 20:05:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#26 [2024-11-27 20:05:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#27 [2024-11-27 20:05:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#28 [2024-11-27 20:05:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#29 [2024-11-27 20:05:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#30 [2024-11-27 20:05:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#31 [2024-11-27 20:05:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#32 [2024-11-27 20:05:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#33 [2024-11-27 20:05:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#34 [2024-11-27 20:05:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2024-11-27 20:05:27,357 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2024-11-27 20:05:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-27 20:05:27,357 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-27 20:05:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2024-11-27 20:05:27,358 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2024-11-27 20:05:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-27 20:05:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-27 20:05:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-27 20:05:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-27 20:05:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-27 20:05:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-27 20:05:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-27 20:05:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-27 20:05:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-27 20:05:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-27 20:05:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-27 20:05:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-27 20:05:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-27 20:05:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-27 20:05:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-27 20:05:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-27 20:05:27,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-27 20:05:27,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-27 20:05:27,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-27 20:05:27,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-27 20:05:27,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-27 20:05:27,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-27 20:05:27,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-27 20:05:27,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-27 20:05:27,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-11-27 20:05:27,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-11-27 20:05:27,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-11-27 20:05:27,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2024-11-27 20:05:27,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2024-11-27 20:05:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2024-11-27 20:05:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2024-11-27 20:05:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#31 [2024-11-27 20:05:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#32 [2024-11-27 20:05:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#33 [2024-11-27 20:05:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#34 [2024-11-27 20:05:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 20:05:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 20:05:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 20:05:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 20:05:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 20:05:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-27 20:05:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-27 20:05:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-27 20:05:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-27 20:05:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-27 20:05:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-27 20:05:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-27 20:05:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-27 20:05:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-27 20:05:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-27 20:05:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-27 20:05:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-27 20:05:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-27 20:05:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-27 20:05:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-27 20:05:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-27 20:05:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-27 20:05:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-27 20:05:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-27 20:05:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-27 20:05:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-27 20:05:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-27 20:05:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2024-11-27 20:05:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2024-11-27 20:05:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2024-11-27 20:05:27,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2024-11-27 20:05:27,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2024-11-27 20:05:27,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2024-11-27 20:05:27,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2024-11-27 20:05:27,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2024-11-27 20:05:27,370 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2024-11-27 20:05:27,370 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2024-11-27 20:05:27,370 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2024-11-27 20:05:27,370 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2024-11-27 20:05:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-27 20:05:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-27 20:05:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-27 20:05:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-27 20:05:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-27 20:05:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-27 20:05:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-27 20:05:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-27 20:05:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-27 20:05:27,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-27 20:05:27,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-27 20:05:27,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-27 20:05:27,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-27 20:05:27,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-27 20:05:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-27 20:05:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-27 20:05:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-27 20:05:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-27 20:05:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-27 20:05:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-11-27 20:05:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-11-27 20:05:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-11-27 20:05:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2024-11-27 20:05:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#23 [2024-11-27 20:05:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#24 [2024-11-27 20:05:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#25 [2024-11-27 20:05:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#26 [2024-11-27 20:05:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#27 [2024-11-27 20:05:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#28 [2024-11-27 20:05:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#29 [2024-11-27 20:05:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#30 [2024-11-27 20:05:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#31 [2024-11-27 20:05:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#32 [2024-11-27 20:05:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#33 [2024-11-27 20:05:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#34 [2024-11-27 20:05:27,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-27 20:05:27,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-27 20:05:27,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-27 20:05:27,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-27 20:05:27,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-27 20:05:27,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-27 20:05:27,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-27 20:05:27,377 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-27 20:05:27,377 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-27 20:05:27,377 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-27 20:05:27,377 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-27 20:05:27,377 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-27 20:05:27,377 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-27 20:05:27,377 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-27 20:05:27,377 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-27 20:05:27,377 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-27 20:05:27,377 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-27 20:05:27,377 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-27 20:05:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-27 20:05:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-11-27 20:05:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-11-27 20:05:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-11-27 20:05:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2024-11-27 20:05:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#23 [2024-11-27 20:05:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#24 [2024-11-27 20:05:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#25 [2024-11-27 20:05:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#26 [2024-11-27 20:05:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#27 [2024-11-27 20:05:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#28 [2024-11-27 20:05:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#29 [2024-11-27 20:05:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#30 [2024-11-27 20:05:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#31 [2024-11-27 20:05:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#32 [2024-11-27 20:05:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#33 [2024-11-27 20:05:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#34 [2024-11-27 20:05:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2024-11-27 20:05:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2024-11-27 20:05:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2024-11-27 20:05:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2024-11-27 20:05:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2024-11-27 20:05:27,379 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2024-11-27 20:05:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2024-11-27 20:05:27,379 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2024-11-27 20:05:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-27 20:05:27,379 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-27 20:05:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2024-11-27 20:05:27,379 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2024-11-27 20:05:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2024-11-27 20:05:27,379 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2024-11-27 20:05:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 20:05:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 20:05:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 20:05:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 20:05:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-27 20:05:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-27 20:05:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-27 20:05:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-27 20:05:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-27 20:05:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-27 20:05:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-27 20:05:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-27 20:05:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-27 20:05:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-27 20:05:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-27 20:05:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-27 20:05:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-27 20:05:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-27 20:05:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-27 20:05:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-27 20:05:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-27 20:05:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-27 20:05:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-27 20:05:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-27 20:05:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-27 20:05:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-27 20:05:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-27 20:05:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2024-11-27 20:05:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2024-11-27 20:05:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2024-11-27 20:05:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2024-11-27 20:05:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2024-11-27 20:05:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2024-11-27 20:05:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2024-11-27 20:05:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2024-11-27 20:05:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-27 20:05:27,381 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-27 20:05:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2024-11-27 20:05:27,381 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2024-11-27 20:05:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2024-11-27 20:05:27,381 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2024-11-27 20:05:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2024-11-27 20:05:27,381 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2024-11-27 20:05:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-27 20:05:27,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-27 20:05:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-27 20:05:27,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-27 20:05:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2024-11-27 20:05:27,387 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2024-11-27 20:05:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 20:05:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2024-11-27 20:05:27,387 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2024-11-27 20:05:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-27 20:05:27,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-27 20:05:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2024-11-27 20:05:27,387 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2024-11-27 20:05:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-27 20:05:27,388 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-27 20:05:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:05:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2024-11-27 20:05:27,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2024-11-27 20:05:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-27 20:05:27,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-27 20:05:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write [2024-11-27 20:05:27,388 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write [2024-11-27 20:05:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2024-11-27 20:05:27,388 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2024-11-27 20:05:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2024-11-27 20:05:27,388 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2024-11-27 20:05:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 20:05:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 20:05:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 20:05:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-27 20:05:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-27 20:05:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-27 20:05:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-27 20:05:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-27 20:05:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-27 20:05:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-27 20:05:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-27 20:05:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-27 20:05:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-27 20:05:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-27 20:05:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-27 20:05:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-27 20:05:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-27 20:05:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-27 20:05:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-27 20:05:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-27 20:05:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-27 20:05:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-27 20:05:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-27 20:05:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-27 20:05:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-27 20:05:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-11-27 20:05:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-11-27 20:05:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2024-11-27 20:05:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2024-11-27 20:05:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2024-11-27 20:05:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2024-11-27 20:05:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#31 [2024-11-27 20:05:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#32 [2024-11-27 20:05:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#33 [2024-11-27 20:05:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#34 [2024-11-27 20:05:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2024-11-27 20:05:27,390 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2024-11-27 20:05:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_flush [2024-11-27 20:05:27,390 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_flush [2024-11-27 20:05:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2024-11-27 20:05:27,390 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2024-11-27 20:05:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2024-11-27 20:05:27,390 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2024-11-27 20:05:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-27 20:05:27,390 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-27 20:05:27,395 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2024-11-27 20:05:27,396 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2024-11-27 20:05:27,396 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2024-11-27 20:05:27,396 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2024-11-27 20:05:27,396 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2024-11-27 20:05:27,396 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2024-11-27 20:05:27,396 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2024-11-27 20:05:27,396 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2024-11-27 20:05:27,396 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2024-11-27 20:05:27,398 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2024-11-27 20:05:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-11-27 20:05:27,398 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-11-27 20:05:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2024-11-27 20:05:27,398 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2024-11-27 20:05:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2024-11-27 20:05:27,398 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2024-11-27 20:05:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2024-11-27 20:05:27,398 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2024-11-27 20:05:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:05:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 20:05:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 20:05:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 20:05:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 20:05:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-27 20:05:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-27 20:05:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-27 20:05:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-27 20:05:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-27 20:05:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-27 20:05:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-27 20:05:27,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-27 20:05:27,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-27 20:05:27,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-27 20:05:27,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-27 20:05:27,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-27 20:05:27,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-27 20:05:27,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-27 20:05:27,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-27 20:05:27,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-27 20:05:27,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-27 20:05:27,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-27 20:05:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-27 20:05:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-27 20:05:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-27 20:05:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-27 20:05:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2024-11-27 20:05:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2024-11-27 20:05:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2024-11-27 20:05:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2024-11-27 20:05:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2024-11-27 20:05:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2024-11-27 20:05:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2024-11-27 20:05:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2024-11-27 20:05:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2024-11-27 20:05:27,401 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2024-11-27 20:05:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2024-11-27 20:05:27,402 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2024-11-27 20:05:27,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:05:27,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:05:27,402 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-27 20:05:27,402 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-27 20:05:29,839 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:05:29,847 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:06:05,856 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-27 20:06:26,304 INFO L? ?]: Removed 4802 outVars from TransFormulas that were not future-live. [2024-11-27 20:06:26,304 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:06:26,395 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:06:26,395 INFO L312 CfgBuilder]: Removed 44 assume(true) statements. [2024-11-27 20:06:26,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:06:26 BoogieIcfgContainer [2024-11-27 20:06:26,396 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:06:26,399 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:06:26,399 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:06:26,412 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:06:26,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:05:18" (1/3) ... [2024-11-27 20:06:26,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@472c9d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:06:26, skipping insertion in model container [2024-11-27 20:06:26,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:23" (2/3) ... [2024-11-27 20:06:26,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@472c9d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:06:26, skipping insertion in model container [2024-11-27 20:06:26,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:06:26" (3/3) ... [2024-11-27 20:06:26,418 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i [2024-11-27 20:06:26,440 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:06:26,444 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i that has 202 procedures, 4176 locations, 1 initial locations, 149 loop locations, and 1 error locations. [2024-11-27 20:06:26,811 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:06:26,828 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@449b42ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:06:26,829 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:06:26,850 INFO L276 IsEmpty]: Start isEmpty. Operand has 3703 states, 2830 states have (on average 1.4427561837455831) internal successors, (4083), 2870 states have internal predecessors, (4083), 772 states have call successors, (772), 100 states have call predecessors, (772), 99 states have return successors, (761), 756 states have call predecessors, (761), 761 states have call successors, (761) [2024-11-27 20:06:26,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2024-11-27 20:06:26,897 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:26,899 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:26,899 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:06:26,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:26,908 INFO L85 PathProgramCache]: Analyzing trace with hash -617695448, now seen corresponding path program 1 times [2024-11-27 20:06:26,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:26,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776996886] [2024-11-27 20:06:26,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:26,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:32,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 4332 trivial. 0 not checked. [2024-11-27 20:06:32,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:32,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776996886] [2024-11-27 20:06:32,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776996886] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:32,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490563096] [2024-11-27 20:06:32,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:32,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:32,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb9990a-48e2-462b-ba63-40e083ad3d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:32,505 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb9990a-48e2-462b-ba63-40e083ad3d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:32,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb9990a-48e2-462b-ba63-40e083ad3d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:06:39,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:39,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 5470 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:06:39,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:39,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 4236 trivial. 0 not checked. [2024-11-27 20:06:39,210 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:06:39,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490563096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:06:39,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:06:39,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 20:06:39,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848048151] [2024-11-27 20:06:39,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:06:39,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:06:39,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:39,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:06:39,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:06:39,269 INFO L87 Difference]: Start difference. First operand has 3703 states, 2830 states have (on average 1.4427561837455831) internal successors, (4083), 2870 states have internal predecessors, (4083), 772 states have call successors, (772), 100 states have call predecessors, (772), 99 states have return successors, (761), 756 states have call predecessors, (761), 761 states have call successors, (761) Second operand has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-27 20:06:39,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:39,811 INFO L93 Difference]: Finished difference Result 7401 states and 11486 transitions. [2024-11-27 20:06:39,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:06:39,814 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 510 [2024-11-27 20:06:39,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:39,895 INFO L225 Difference]: With dead ends: 7401 [2024-11-27 20:06:39,895 INFO L226 Difference]: Without dead ends: 3680 [2024-11-27 20:06:39,950 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 511 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:06:39,957 INFO L435 NwaCegarLoop]: 5584 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5584 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:39,958 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5584 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:06:39,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3680 states. [2024-11-27 20:06:40,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3680 to 3680. [2024-11-27 20:06:40,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3680 states, 2820 states have (on average 1.4304964539007092) internal successors, (4034), 2847 states have internal predecessors, (4034), 761 states have call successors, (761), 99 states have call predecessors, (761), 98 states have return successors, (752), 747 states have call predecessors, (752), 752 states have call successors, (752) [2024-11-27 20:06:40,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3680 states to 3680 states and 5547 transitions. [2024-11-27 20:06:40,420 INFO L78 Accepts]: Start accepts. Automaton has 3680 states and 5547 transitions. Word has length 510 [2024-11-27 20:06:40,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:40,423 INFO L471 AbstractCegarLoop]: Abstraction has 3680 states and 5547 transitions. [2024-11-27 20:06:40,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-27 20:06:40,424 INFO L276 IsEmpty]: Start isEmpty. Operand 3680 states and 5547 transitions. [2024-11-27 20:06:40,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2024-11-27 20:06:40,446 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:40,447 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:40,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb9990a-48e2-462b-ba63-40e083ad3d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 20:06:40,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb9990a-48e2-462b-ba63-40e083ad3d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 20:06:40,649 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:06:40,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:40,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1448101594, now seen corresponding path program 1 times [2024-11-27 20:06:40,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:40,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553810194] [2024-11-27 20:06:40,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:40,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:46,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2024-11-27 20:06:46,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:46,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553810194] [2024-11-27 20:06:46,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553810194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:06:46,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:06:46,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:06:46,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464506066] [2024-11-27 20:06:46,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:06:46,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:06:46,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:46,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:06:46,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:06:46,614 INFO L87 Difference]: Start difference. First operand 3680 states and 5547 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-27 20:06:47,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:47,491 INFO L93 Difference]: Finished difference Result 7729 states and 11608 transitions. [2024-11-27 20:06:47,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:06:47,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 510 [2024-11-27 20:06:47,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:47,547 INFO L225 Difference]: With dead ends: 7729 [2024-11-27 20:06:47,547 INFO L226 Difference]: Without dead ends: 4127 [2024-11-27 20:06:47,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:06:47,576 INFO L435 NwaCegarLoop]: 5549 mSDtfsCounter, 760 mSDsluCounter, 5366 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 10915 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:47,577 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [760 Valid, 10915 Invalid, 37 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:06:47,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4127 states. [2024-11-27 20:06:47,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4127 to 4108. [2024-11-27 20:06:47,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4108 states, 3152 states have (on average 1.4254441624365481) internal successors, (4493), 3182 states have internal predecessors, (4493), 832 states have call successors, (832), 124 states have call predecessors, (832), 123 states have return successors, (823), 816 states have call predecessors, (823), 823 states have call successors, (823) [2024-11-27 20:06:47,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4108 states to 4108 states and 6148 transitions. [2024-11-27 20:06:47,879 INFO L78 Accepts]: Start accepts. Automaton has 4108 states and 6148 transitions. Word has length 510 [2024-11-27 20:06:47,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:47,882 INFO L471 AbstractCegarLoop]: Abstraction has 4108 states and 6148 transitions. [2024-11-27 20:06:47,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-27 20:06:47,883 INFO L276 IsEmpty]: Start isEmpty. Operand 4108 states and 6148 transitions. [2024-11-27 20:06:47,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2024-11-27 20:06:47,901 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:47,902 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:47,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:06:47,902 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:06:47,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:47,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1986080370, now seen corresponding path program 1 times [2024-11-27 20:06:47,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:47,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571721159] [2024-11-27 20:06:47,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:47,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:52,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2024-11-27 20:06:52,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:52,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571721159] [2024-11-27 20:06:52,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571721159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:06:52,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:06:52,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:06:52,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842147666] [2024-11-27 20:06:52,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:06:52,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:06:52,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:52,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:06:52,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:06:52,219 INFO L87 Difference]: Start difference. First operand 4108 states and 6148 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-27 20:06:56,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:06:57,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:57,251 INFO L93 Difference]: Finished difference Result 12040 states and 18039 transitions. [2024-11-27 20:06:57,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:06:57,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 532 [2024-11-27 20:06:57,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:57,350 INFO L225 Difference]: With dead ends: 12040 [2024-11-27 20:06:57,350 INFO L226 Difference]: Without dead ends: 8010 [2024-11-27 20:06:57,383 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:06:57,385 INFO L435 NwaCegarLoop]: 5567 mSDtfsCounter, 5361 mSDsluCounter, 5474 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5361 SdHoareTripleChecker+Valid, 11041 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:57,387 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5361 Valid, 11041 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-27 20:06:57,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8010 states. [2024-11-27 20:06:58,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8010 to 7998. [2024-11-27 20:06:58,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7998 states, 6170 states have (on average 1.4291734197730956) internal successors, (8818), 6217 states have internal predecessors, (8818), 1588 states have call successors, (1588), 240 states have call predecessors, (1588), 239 states have return successors, (1579), 1567 states have call predecessors, (1579), 1579 states have call successors, (1579) [2024-11-27 20:06:58,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7998 states to 7998 states and 11985 transitions. [2024-11-27 20:06:58,202 INFO L78 Accepts]: Start accepts. Automaton has 7998 states and 11985 transitions. Word has length 532 [2024-11-27 20:06:58,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:58,206 INFO L471 AbstractCegarLoop]: Abstraction has 7998 states and 11985 transitions. [2024-11-27 20:06:58,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-27 20:06:58,206 INFO L276 IsEmpty]: Start isEmpty. Operand 7998 states and 11985 transitions. [2024-11-27 20:06:58,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2024-11-27 20:06:58,229 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:58,230 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:58,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:06:58,230 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:06:58,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:58,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1635509231, now seen corresponding path program 1 times [2024-11-27 20:06:58,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:58,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279084156] [2024-11-27 20:06:58,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:58,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:03,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2024-11-27 20:07:03,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:03,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279084156] [2024-11-27 20:07:03,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279084156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:03,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:03,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:07:03,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439674014] [2024-11-27 20:07:03,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:03,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:07:03,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:03,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:07:03,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:03,627 INFO L87 Difference]: Start difference. First operand 7998 states and 11985 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-11-27 20:07:04,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:04,049 INFO L93 Difference]: Finished difference Result 15918 states and 23859 transitions. [2024-11-27 20:07:04,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:07:04,053 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 541 [2024-11-27 20:07:04,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:04,162 INFO L225 Difference]: With dead ends: 15918 [2024-11-27 20:07:04,162 INFO L226 Difference]: Without dead ends: 7998 [2024-11-27 20:07:04,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:04,218 INFO L435 NwaCegarLoop]: 5545 mSDtfsCounter, 5461 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5461 SdHoareTripleChecker+Valid, 5545 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:04,219 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5461 Valid, 5545 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:07:04,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7998 states. [2024-11-27 20:07:04,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7998 to 7998. [2024-11-27 20:07:04,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7998 states, 6170 states have (on average 1.4288492706645057) internal successors, (8816), 6217 states have internal predecessors, (8816), 1588 states have call successors, (1588), 240 states have call predecessors, (1588), 239 states have return successors, (1579), 1567 states have call predecessors, (1579), 1579 states have call successors, (1579) [2024-11-27 20:07:04,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7998 states to 7998 states and 11983 transitions. [2024-11-27 20:07:04,770 INFO L78 Accepts]: Start accepts. Automaton has 7998 states and 11983 transitions. Word has length 541 [2024-11-27 20:07:04,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:04,772 INFO L471 AbstractCegarLoop]: Abstraction has 7998 states and 11983 transitions. [2024-11-27 20:07:04,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-11-27 20:07:04,772 INFO L276 IsEmpty]: Start isEmpty. Operand 7998 states and 11983 transitions. [2024-11-27 20:07:04,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2024-11-27 20:07:04,803 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:04,803 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:04,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:07:04,804 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:07:04,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:04,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1957858191, now seen corresponding path program 1 times [2024-11-27 20:07:04,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:04,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135945291] [2024-11-27 20:07:04,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:04,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:09,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2024-11-27 20:07:09,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:09,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135945291] [2024-11-27 20:07:09,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135945291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:09,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:09,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:07:09,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609747158] [2024-11-27 20:07:09,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:09,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:07:09,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:09,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:07:09,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:09,688 INFO L87 Difference]: Start difference. First operand 7998 states and 11983 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-11-27 20:07:10,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:10,144 INFO L93 Difference]: Finished difference Result 15918 states and 23855 transitions. [2024-11-27 20:07:10,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:07:10,144 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 541 [2024-11-27 20:07:10,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:10,250 INFO L225 Difference]: With dead ends: 15918 [2024-11-27 20:07:10,250 INFO L226 Difference]: Without dead ends: 7998 [2024-11-27 20:07:10,290 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:10,291 INFO L435 NwaCegarLoop]: 5544 mSDtfsCounter, 5459 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5459 SdHoareTripleChecker+Valid, 5544 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:10,292 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5459 Valid, 5544 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:07:10,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7998 states. [2024-11-27 20:07:10,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7998 to 7998. [2024-11-27 20:07:10,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7998 states, 6170 states have (on average 1.4285251215559158) internal successors, (8814), 6217 states have internal predecessors, (8814), 1588 states have call successors, (1588), 240 states have call predecessors, (1588), 239 states have return successors, (1579), 1567 states have call predecessors, (1579), 1579 states have call successors, (1579) [2024-11-27 20:07:10,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7998 states to 7998 states and 11981 transitions. [2024-11-27 20:07:10,878 INFO L78 Accepts]: Start accepts. Automaton has 7998 states and 11981 transitions. Word has length 541 [2024-11-27 20:07:10,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:10,881 INFO L471 AbstractCegarLoop]: Abstraction has 7998 states and 11981 transitions. [2024-11-27 20:07:10,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-11-27 20:07:10,883 INFO L276 IsEmpty]: Start isEmpty. Operand 7998 states and 11981 transitions. [2024-11-27 20:07:10,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2024-11-27 20:07:10,900 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:10,901 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:10,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:07:10,901 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:07:10,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:10,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1935225937, now seen corresponding path program 1 times [2024-11-27 20:07:10,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:10,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612922411] [2024-11-27 20:07:10,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:10,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:15,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2024-11-27 20:07:15,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:15,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612922411] [2024-11-27 20:07:15,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612922411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:15,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:15,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:07:15,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884365905] [2024-11-27 20:07:15,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:15,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:07:15,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:15,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:07:15,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:15,388 INFO L87 Difference]: Start difference. First operand 7998 states and 11981 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-11-27 20:07:19,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:07:19,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:19,951 INFO L93 Difference]: Finished difference Result 15918 states and 23851 transitions. [2024-11-27 20:07:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:07:19,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 541 [2024-11-27 20:07:19,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:20,033 INFO L225 Difference]: With dead ends: 15918 [2024-11-27 20:07:20,034 INFO L226 Difference]: Without dead ends: 7998 [2024-11-27 20:07:20,074 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:20,074 INFO L435 NwaCegarLoop]: 5540 mSDtfsCounter, 5457 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5457 SdHoareTripleChecker+Valid, 5540 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:20,075 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5457 Valid, 5540 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-27 20:07:20,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7998 states. [2024-11-27 20:07:20,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7998 to 7998. [2024-11-27 20:07:20,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7998 states, 6170 states have (on average 1.4282009724473257) internal successors, (8812), 6217 states have internal predecessors, (8812), 1588 states have call successors, (1588), 240 states have call predecessors, (1588), 239 states have return successors, (1579), 1567 states have call predecessors, (1579), 1579 states have call successors, (1579) [2024-11-27 20:07:20,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7998 states to 7998 states and 11979 transitions. [2024-11-27 20:07:20,649 INFO L78 Accepts]: Start accepts. Automaton has 7998 states and 11979 transitions. Word has length 541 [2024-11-27 20:07:20,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:20,650 INFO L471 AbstractCegarLoop]: Abstraction has 7998 states and 11979 transitions. [2024-11-27 20:07:20,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-11-27 20:07:20,650 INFO L276 IsEmpty]: Start isEmpty. Operand 7998 states and 11979 transitions. [2024-11-27 20:07:20,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2024-11-27 20:07:20,656 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:20,656 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:20,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:07:20,657 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:07:20,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:20,657 INFO L85 PathProgramCache]: Analyzing trace with hash -549022543, now seen corresponding path program 1 times [2024-11-27 20:07:20,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:20,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609642984] [2024-11-27 20:07:20,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:20,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:24,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2024-11-27 20:07:24,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:24,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609642984] [2024-11-27 20:07:24,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609642984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:24,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:24,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:07:24,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235736020] [2024-11-27 20:07:24,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:24,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:07:24,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:24,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:07:24,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:07:24,729 INFO L87 Difference]: Start difference. First operand 7998 states and 11979 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-27 20:07:25,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:25,635 INFO L93 Difference]: Finished difference Result 15922 states and 23853 transitions. [2024-11-27 20:07:25,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:07:25,636 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 541 [2024-11-27 20:07:25,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:25,709 INFO L225 Difference]: With dead ends: 15922 [2024-11-27 20:07:25,710 INFO L226 Difference]: Without dead ends: 8002 [2024-11-27 20:07:25,750 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:07:25,751 INFO L435 NwaCegarLoop]: 5542 mSDtfsCounter, 0 mSDsluCounter, 11068 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16610 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:25,753 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16610 Invalid, 21 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:07:25,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8002 states. [2024-11-27 20:07:26,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8002 to 8000. [2024-11-27 20:07:26,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8000 states, 6172 states have (on average 1.4280622164614387) internal successors, (8814), 6219 states have internal predecessors, (8814), 1588 states have call successors, (1588), 240 states have call predecessors, (1588), 239 states have return successors, (1579), 1567 states have call predecessors, (1579), 1579 states have call successors, (1579) [2024-11-27 20:07:26,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8000 states to 8000 states and 11981 transitions. [2024-11-27 20:07:26,291 INFO L78 Accepts]: Start accepts. Automaton has 8000 states and 11981 transitions. Word has length 541 [2024-11-27 20:07:26,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:26,292 INFO L471 AbstractCegarLoop]: Abstraction has 8000 states and 11981 transitions. [2024-11-27 20:07:26,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-27 20:07:26,292 INFO L276 IsEmpty]: Start isEmpty. Operand 8000 states and 11981 transitions. [2024-11-27 20:07:26,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 553 [2024-11-27 20:07:26,300 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:26,301 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:26,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:07:26,301 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:07:26,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:26,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1266925564, now seen corresponding path program 1 times [2024-11-27 20:07:26,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:26,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814677044] [2024-11-27 20:07:26,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:26,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:30,229 INFO L134 CoverageAnalysis]: Checked inductivity of 4455 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4455 trivial. 0 not checked. [2024-11-27 20:07:30,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:30,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814677044] [2024-11-27 20:07:30,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814677044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:30,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:30,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:07:30,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868980501] [2024-11-27 20:07:30,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:30,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:07:30,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:30,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:07:30,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:30,233 INFO L87 Difference]: Start difference. First operand 8000 states and 11981 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-27 20:07:30,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:30,607 INFO L93 Difference]: Finished difference Result 8002 states and 11982 transitions. [2024-11-27 20:07:30,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:07:30,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 552 [2024-11-27 20:07:30,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:30,677 INFO L225 Difference]: With dead ends: 8002 [2024-11-27 20:07:30,677 INFO L226 Difference]: Without dead ends: 7999 [2024-11-27 20:07:30,685 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:30,686 INFO L435 NwaCegarLoop]: 5541 mSDtfsCounter, 5437 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5437 SdHoareTripleChecker+Valid, 5541 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:30,687 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5437 Valid, 5541 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:07:30,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7999 states. [2024-11-27 20:07:31,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7999 to 7999. [2024-11-27 20:07:31,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7999 states, 6172 states have (on average 1.427900194426442) internal successors, (8813), 6218 states have internal predecessors, (8813), 1587 states have call successors, (1587), 240 states have call predecessors, (1587), 239 states have return successors, (1579), 1567 states have call predecessors, (1579), 1579 states have call successors, (1579) [2024-11-27 20:07:31,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7999 states to 7999 states and 11979 transitions. [2024-11-27 20:07:31,461 INFO L78 Accepts]: Start accepts. Automaton has 7999 states and 11979 transitions. Word has length 552 [2024-11-27 20:07:31,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:31,464 INFO L471 AbstractCegarLoop]: Abstraction has 7999 states and 11979 transitions. [2024-11-27 20:07:31,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-27 20:07:31,465 INFO L276 IsEmpty]: Start isEmpty. Operand 7999 states and 11979 transitions. [2024-11-27 20:07:31,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2024-11-27 20:07:31,475 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:31,475 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:31,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 20:07:31,476 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:07:31,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:31,477 INFO L85 PathProgramCache]: Analyzing trace with hash -624447808, now seen corresponding path program 1 times [2024-11-27 20:07:31,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:31,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296825071] [2024-11-27 20:07:31,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:31,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:35,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4455 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4455 trivial. 0 not checked. [2024-11-27 20:07:35,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:35,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296825071] [2024-11-27 20:07:35,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296825071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:35,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:35,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:07:35,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466282980] [2024-11-27 20:07:35,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:35,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:07:35,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:35,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:07:35,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:35,480 INFO L87 Difference]: Start difference. First operand 7999 states and 11979 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-27 20:07:35,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:35,879 INFO L93 Difference]: Finished difference Result 8001 states and 11980 transitions. [2024-11-27 20:07:35,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:07:35,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 553 [2024-11-27 20:07:35,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:35,946 INFO L225 Difference]: With dead ends: 8001 [2024-11-27 20:07:35,946 INFO L226 Difference]: Without dead ends: 7998 [2024-11-27 20:07:35,954 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:35,957 INFO L435 NwaCegarLoop]: 5539 mSDtfsCounter, 5434 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5434 SdHoareTripleChecker+Valid, 5539 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:35,957 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5434 Valid, 5539 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:07:35,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7998 states. [2024-11-27 20:07:36,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7998 to 7998. [2024-11-27 20:07:36,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7998 states, 6172 states have (on average 1.4277381723914453) internal successors, (8812), 6217 states have internal predecessors, (8812), 1586 states have call successors, (1586), 240 states have call predecessors, (1586), 239 states have return successors, (1579), 1567 states have call predecessors, (1579), 1579 states have call successors, (1579) [2024-11-27 20:07:36,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7998 states to 7998 states and 11977 transitions. [2024-11-27 20:07:36,513 INFO L78 Accepts]: Start accepts. Automaton has 7998 states and 11977 transitions. Word has length 553 [2024-11-27 20:07:36,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:36,514 INFO L471 AbstractCegarLoop]: Abstraction has 7998 states and 11977 transitions. [2024-11-27 20:07:36,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-27 20:07:36,515 INFO L276 IsEmpty]: Start isEmpty. Operand 7998 states and 11977 transitions. [2024-11-27 20:07:36,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2024-11-27 20:07:36,520 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:36,521 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:36,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 20:07:36,521 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:07:36,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:36,522 INFO L85 PathProgramCache]: Analyzing trace with hash 2112498311, now seen corresponding path program 1 times [2024-11-27 20:07:36,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:36,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340487829] [2024-11-27 20:07:36,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:36,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:40,414 INFO L134 CoverageAnalysis]: Checked inductivity of 4455 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4455 trivial. 0 not checked. [2024-11-27 20:07:40,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:40,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340487829] [2024-11-27 20:07:40,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340487829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:40,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:40,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:07:40,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088483464] [2024-11-27 20:07:40,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:40,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:07:40,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:40,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:07:40,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:40,418 INFO L87 Difference]: Start difference. First operand 7998 states and 11977 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-27 20:07:41,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:41,467 INFO L93 Difference]: Finished difference Result 23784 states and 35666 transitions. [2024-11-27 20:07:41,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:07:41,468 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 554 [2024-11-27 20:07:41,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:41,608 INFO L225 Difference]: With dead ends: 23784 [2024-11-27 20:07:41,609 INFO L226 Difference]: Without dead ends: 15864 [2024-11-27 20:07:41,662 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:41,667 INFO L435 NwaCegarLoop]: 7779 mSDtfsCounter, 5430 mSDsluCounter, 5383 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5430 SdHoareTripleChecker+Valid, 13162 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:41,667 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5430 Valid, 13162 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:07:41,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15864 states. [2024-11-27 20:07:42,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15864 to 15845. [2024-11-27 20:07:42,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15845 states, 12263 states have (on average 1.4298295686210551) internal successors, (17534), 12354 states have internal predecessors, (17534), 3109 states have call successors, (3109), 474 states have call predecessors, (3109), 472 states have return successors, (3118), 3070 states have call predecessors, (3118), 3098 states have call successors, (3118) [2024-11-27 20:07:42,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15845 states to 15845 states and 23761 transitions. [2024-11-27 20:07:42,855 INFO L78 Accepts]: Start accepts. Automaton has 15845 states and 23761 transitions. Word has length 554 [2024-11-27 20:07:42,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:42,857 INFO L471 AbstractCegarLoop]: Abstraction has 15845 states and 23761 transitions. [2024-11-27 20:07:42,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-27 20:07:42,858 INFO L276 IsEmpty]: Start isEmpty. Operand 15845 states and 23761 transitions. [2024-11-27 20:07:42,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2024-11-27 20:07:42,865 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:42,866 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:42,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 20:07:42,866 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:07:42,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:42,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1058486947, now seen corresponding path program 1 times [2024-11-27 20:07:42,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:42,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066078468] [2024-11-27 20:07:42,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:42,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:46,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4455 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4455 trivial. 0 not checked. [2024-11-27 20:07:46,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:46,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066078468] [2024-11-27 20:07:46,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066078468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:46,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:46,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:07:46,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625231225] [2024-11-27 20:07:46,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:46,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:07:46,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:46,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:07:46,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:46,683 INFO L87 Difference]: Start difference. First operand 15845 states and 23761 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-27 20:07:47,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:47,428 INFO L93 Difference]: Finished difference Result 15847 states and 23762 transitions. [2024-11-27 20:07:47,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:07:47,429 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 555 [2024-11-27 20:07:47,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:47,562 INFO L225 Difference]: With dead ends: 15847 [2024-11-27 20:07:47,562 INFO L226 Difference]: Without dead ends: 15844 [2024-11-27 20:07:47,578 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:47,579 INFO L435 NwaCegarLoop]: 5537 mSDtfsCounter, 5430 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5430 SdHoareTripleChecker+Valid, 5537 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:47,579 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5430 Valid, 5537 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:07:47,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15844 states. [2024-11-27 20:07:48,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15844 to 15844. [2024-11-27 20:07:48,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15844 states, 12263 states have (on average 1.4297480225067276) internal successors, (17533), 12353 states have internal predecessors, (17533), 3108 states have call successors, (3108), 474 states have call predecessors, (3108), 472 states have return successors, (3118), 3070 states have call predecessors, (3118), 3098 states have call successors, (3118) [2024-11-27 20:07:48,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15844 states to 15844 states and 23759 transitions. [2024-11-27 20:07:48,740 INFO L78 Accepts]: Start accepts. Automaton has 15844 states and 23759 transitions. Word has length 555 [2024-11-27 20:07:48,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:48,742 INFO L471 AbstractCegarLoop]: Abstraction has 15844 states and 23759 transitions. [2024-11-27 20:07:48,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-27 20:07:48,742 INFO L276 IsEmpty]: Start isEmpty. Operand 15844 states and 23759 transitions. [2024-11-27 20:07:48,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2024-11-27 20:07:48,748 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:48,748 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:48,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 20:07:48,749 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:07:48,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:48,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1551089398, now seen corresponding path program 1 times [2024-11-27 20:07:48,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:48,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816159409] [2024-11-27 20:07:48,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:48,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:53,073 INFO L134 CoverageAnalysis]: Checked inductivity of 4455 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4455 trivial. 0 not checked. [2024-11-27 20:07:53,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:53,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816159409] [2024-11-27 20:07:53,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816159409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:53,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:53,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:07:53,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344899853] [2024-11-27 20:07:53,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:53,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:07:53,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:53,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:07:53,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:53,083 INFO L87 Difference]: Start difference. First operand 15844 states and 23759 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-27 20:07:54,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:54,044 INFO L93 Difference]: Finished difference Result 21244 states and 31463 transitions. [2024-11-27 20:07:54,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:07:54,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 556 [2024-11-27 20:07:54,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:54,206 INFO L225 Difference]: With dead ends: 21244 [2024-11-27 20:07:54,206 INFO L226 Difference]: Without dead ends: 21197 [2024-11-27 20:07:54,227 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:54,230 INFO L435 NwaCegarLoop]: 5571 mSDtfsCounter, 3303 mSDsluCounter, 4053 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3303 SdHoareTripleChecker+Valid, 9624 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:54,230 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3303 Valid, 9624 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:07:54,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21197 states. [2024-11-27 20:07:55,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21197 to 21191. [2024-11-27 20:07:55,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21191 states, 16173 states have (on average 1.4122302603103938) internal successors, (22840), 16295 states have internal predecessors, (22840), 4270 states have call successors, (4270), 749 states have call predecessors, (4270), 747 states have return successors, (4282), 4222 states have call predecessors, (4282), 4262 states have call successors, (4282) [2024-11-27 20:07:55,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21191 states to 21191 states and 31392 transitions. [2024-11-27 20:07:55,720 INFO L78 Accepts]: Start accepts. Automaton has 21191 states and 31392 transitions. Word has length 556 [2024-11-27 20:07:55,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:55,722 INFO L471 AbstractCegarLoop]: Abstraction has 21191 states and 31392 transitions. [2024-11-27 20:07:55,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-27 20:07:55,722 INFO L276 IsEmpty]: Start isEmpty. Operand 21191 states and 31392 transitions. [2024-11-27 20:07:55,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 631 [2024-11-27 20:07:55,734 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:55,734 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:55,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 20:07:55,737 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:07:55,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:55,738 INFO L85 PathProgramCache]: Analyzing trace with hash -811672238, now seen corresponding path program 1 times [2024-11-27 20:07:55,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:55,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446271819] [2024-11-27 20:07:55,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:55,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:00,562 INFO L134 CoverageAnalysis]: Checked inductivity of 5173 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5166 trivial. 0 not checked. [2024-11-27 20:08:00,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:00,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446271819] [2024-11-27 20:08:00,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446271819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:00,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:00,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:08:00,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715175096] [2024-11-27 20:08:00,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:00,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:08:00,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:00,564 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:08:00,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:08:00,565 INFO L87 Difference]: Start difference. First operand 21191 states and 31392 transitions. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-11-27 20:08:01,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:01,332 INFO L93 Difference]: Finished difference Result 32371 states and 47846 transitions. [2024-11-27 20:08:01,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:08:01,332 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 630 [2024-11-27 20:08:01,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:01,432 INFO L225 Difference]: With dead ends: 32371 [2024-11-27 20:08:01,433 INFO L226 Difference]: Without dead ends: 11258 [2024-11-27 20:08:01,536 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:08:01,536 INFO L435 NwaCegarLoop]: 5530 mSDtfsCounter, 5527 mSDsluCounter, 5531 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5527 SdHoareTripleChecker+Valid, 11061 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:01,537 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5527 Valid, 11061 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:08:01,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11258 states. [2024-11-27 20:08:02,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11258 to 11249. [2024-11-27 20:08:02,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11249 states, 8564 states have (on average 1.404950957496497) internal successors, (12032), 8631 states have internal predecessors, (12032), 2259 states have call successors, (2259), 427 states have call predecessors, (2259), 425 states have return successors, (2261), 2232 states have call predecessors, (2261), 2251 states have call successors, (2261) [2024-11-27 20:08:02,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11249 states to 11249 states and 16552 transitions. [2024-11-27 20:08:02,537 INFO L78 Accepts]: Start accepts. Automaton has 11249 states and 16552 transitions. Word has length 630 [2024-11-27 20:08:02,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:02,539 INFO L471 AbstractCegarLoop]: Abstraction has 11249 states and 16552 transitions. [2024-11-27 20:08:02,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-11-27 20:08:02,539 INFO L276 IsEmpty]: Start isEmpty. Operand 11249 states and 16552 transitions. [2024-11-27 20:08:02,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 647 [2024-11-27 20:08:02,558 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:02,559 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:02,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 20:08:02,559 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:08:02,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:02,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1752546501, now seen corresponding path program 1 times [2024-11-27 20:08:02,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:02,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352500036] [2024-11-27 20:08:02,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:02,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:07,468 INFO L134 CoverageAnalysis]: Checked inductivity of 5551 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5544 trivial. 0 not checked. [2024-11-27 20:08:07,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:07,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352500036] [2024-11-27 20:08:07,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352500036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:07,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:07,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:08:07,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935615878] [2024-11-27 20:08:07,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:07,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:08:07,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:07,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:08:07,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:08:07,474 INFO L87 Difference]: Start difference. First operand 11249 states and 16552 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-11-27 20:08:11,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:08:13,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:13,188 INFO L93 Difference]: Finished difference Result 27935 states and 40973 transitions. [2024-11-27 20:08:13,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:08:13,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 646 [2024-11-27 20:08:13,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:13,346 INFO L225 Difference]: With dead ends: 27935 [2024-11-27 20:08:13,346 INFO L226 Difference]: Without dead ends: 17118 [2024-11-27 20:08:13,416 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:08:13,417 INFO L435 NwaCegarLoop]: 6331 mSDtfsCounter, 3802 mSDsluCounter, 4647 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3802 SdHoareTripleChecker+Valid, 10978 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:13,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3802 Valid, 10978 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-27 20:08:13,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17118 states. [2024-11-27 20:08:14,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17118 to 17085. [2024-11-27 20:08:14,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17085 states, 12931 states have (on average 1.396643724383265) internal successors, (18060), 13041 states have internal predecessors, (18060), 3462 states have call successors, (3462), 693 states have call predecessors, (3462), 691 states have return successors, (3466), 3420 states have call predecessors, (3466), 3454 states have call successors, (3466) [2024-11-27 20:08:14,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17085 states to 17085 states and 24988 transitions. [2024-11-27 20:08:14,653 INFO L78 Accepts]: Start accepts. Automaton has 17085 states and 24988 transitions. Word has length 646 [2024-11-27 20:08:14,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:14,654 INFO L471 AbstractCegarLoop]: Abstraction has 17085 states and 24988 transitions. [2024-11-27 20:08:14,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-11-27 20:08:14,655 INFO L276 IsEmpty]: Start isEmpty. Operand 17085 states and 24988 transitions. [2024-11-27 20:08:14,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 648 [2024-11-27 20:08:14,663 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:14,663 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:14,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 20:08:14,663 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:08:14,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:14,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1338291813, now seen corresponding path program 1 times [2024-11-27 20:08:14,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:14,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485617231] [2024-11-27 20:08:14,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:14,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:18,078 INFO L134 CoverageAnalysis]: Checked inductivity of 5551 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5551 trivial. 0 not checked. [2024-11-27 20:08:18,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:18,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485617231] [2024-11-27 20:08:18,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485617231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:18,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:18,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:08:18,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342878715] [2024-11-27 20:08:18,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:18,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:08:18,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:18,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:08:18,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:08:18,080 INFO L87 Difference]: Start difference. First operand 17085 states and 24988 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-27 20:08:22,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:08:23,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:23,502 INFO L93 Difference]: Finished difference Result 33741 states and 49356 transitions. [2024-11-27 20:08:23,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:08:23,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 647 [2024-11-27 20:08:23,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:23,665 INFO L225 Difference]: With dead ends: 33741 [2024-11-27 20:08:23,666 INFO L226 Difference]: Without dead ends: 17088 [2024-11-27 20:08:23,760 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:08:23,760 INFO L435 NwaCegarLoop]: 8698 mSDtfsCounter, 5368 mSDsluCounter, 5477 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5368 SdHoareTripleChecker+Valid, 14175 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:23,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5368 Valid, 14175 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-27 20:08:23,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17088 states. [2024-11-27 20:08:24,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17088 to 17079. [2024-11-27 20:08:24,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17079 states, 12926 states have (on average 1.3963329723038835) internal successors, (18049), 13038 states have internal predecessors, (18049), 3461 states have call successors, (3461), 691 states have call predecessors, (3461), 691 states have return successors, (3454), 3419 states have call predecessors, (3454), 3448 states have call successors, (3454) [2024-11-27 20:08:25,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17079 states to 17079 states and 24964 transitions. [2024-11-27 20:08:25,071 INFO L78 Accepts]: Start accepts. Automaton has 17079 states and 24964 transitions. Word has length 647 [2024-11-27 20:08:25,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:25,072 INFO L471 AbstractCegarLoop]: Abstraction has 17079 states and 24964 transitions. [2024-11-27 20:08:25,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-27 20:08:25,072 INFO L276 IsEmpty]: Start isEmpty. Operand 17079 states and 24964 transitions. [2024-11-27 20:08:25,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 648 [2024-11-27 20:08:25,082 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:25,083 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:25,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 20:08:25,083 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:08:25,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:25,084 INFO L85 PathProgramCache]: Analyzing trace with hash 929467588, now seen corresponding path program 1 times [2024-11-27 20:08:25,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:25,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105378145] [2024-11-27 20:08:25,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:25,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:30,052 INFO L134 CoverageAnalysis]: Checked inductivity of 5551 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5551 trivial. 0 not checked. [2024-11-27 20:08:30,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:30,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105378145] [2024-11-27 20:08:30,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105378145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:30,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:30,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 20:08:30,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863850250] [2024-11-27 20:08:30,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:30,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:08:30,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:30,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:08:30,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:08:30,054 INFO L87 Difference]: Start difference. First operand 17079 states and 24964 transitions. Second operand has 6 states, 6 states have (on average 22.5) internal successors, (135), 5 states have internal predecessors, (135), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (48), 3 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-27 20:08:31,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:31,204 INFO L93 Difference]: Finished difference Result 19554 states and 28550 transitions. [2024-11-27 20:08:31,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:08:31,205 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 5 states have internal predecessors, (135), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (48), 3 states have call predecessors, (48), 2 states have call successors, (48) Word has length 647 [2024-11-27 20:08:31,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:31,357 INFO L225 Difference]: With dead ends: 19554 [2024-11-27 20:08:31,358 INFO L226 Difference]: Without dead ends: 16592 [2024-11-27 20:08:31,394 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:08:31,395 INFO L435 NwaCegarLoop]: 5535 mSDtfsCounter, 0 mSDsluCounter, 22126 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27661 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:31,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27661 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:08:31,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16592 states. [2024-11-27 20:08:32,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16592 to 16592. [2024-11-27 20:08:32,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16592 states, 12532 states have (on average 1.3931535269709543) internal successors, (17459), 12642 states have internal predecessors, (17459), 3378 states have call successors, (3378), 681 states have call predecessors, (3378), 681 states have return successors, (3372), 3338 states have call predecessors, (3372), 3366 states have call successors, (3372) [2024-11-27 20:08:32,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16592 states to 16592 states and 24209 transitions. [2024-11-27 20:08:32,928 INFO L78 Accepts]: Start accepts. Automaton has 16592 states and 24209 transitions. Word has length 647 [2024-11-27 20:08:32,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:32,929 INFO L471 AbstractCegarLoop]: Abstraction has 16592 states and 24209 transitions. [2024-11-27 20:08:32,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 5 states have internal predecessors, (135), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (48), 3 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-27 20:08:32,930 INFO L276 IsEmpty]: Start isEmpty. Operand 16592 states and 24209 transitions. [2024-11-27 20:08:32,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 653 [2024-11-27 20:08:32,942 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:32,942 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:32,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 20:08:32,943 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:08:32,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:32,944 INFO L85 PathProgramCache]: Analyzing trace with hash -187202296, now seen corresponding path program 1 times [2024-11-27 20:08:32,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:32,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678351230] [2024-11-27 20:08:32,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:32,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:36,866 INFO L134 CoverageAnalysis]: Checked inductivity of 5554 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5554 trivial. 0 not checked. [2024-11-27 20:08:36,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:36,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678351230] [2024-11-27 20:08:36,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678351230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:36,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:36,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:08:36,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116278762] [2024-11-27 20:08:36,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:36,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:08:36,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:36,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:08:36,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:08:36,869 INFO L87 Difference]: Start difference. First operand 16592 states and 24209 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-11-27 20:08:40,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:08:42,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:42,444 INFO L93 Difference]: Finished difference Result 16602 states and 24217 transitions. [2024-11-27 20:08:42,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:08:42,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 652 [2024-11-27 20:08:42,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:42,558 INFO L225 Difference]: With dead ends: 16602 [2024-11-27 20:08:42,559 INFO L226 Difference]: Without dead ends: 16599 [2024-11-27 20:08:42,573 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:08:42,574 INFO L435 NwaCegarLoop]: 7424 mSDtfsCounter, 4034 mSDsluCounter, 3407 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4034 SdHoareTripleChecker+Valid, 10831 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:42,574 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4034 Valid, 10831 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-27 20:08:42,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16599 states. [2024-11-27 20:08:43,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16599 to 16591. [2024-11-27 20:08:43,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16591 states, 12532 states have (on average 1.3928343440791573) internal successors, (17455), 12641 states have internal predecessors, (17455), 3377 states have call successors, (3377), 681 states have call predecessors, (3377), 681 states have return successors, (3372), 3338 states have call predecessors, (3372), 3366 states have call successors, (3372) [2024-11-27 20:08:43,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16591 states to 16591 states and 24204 transitions. [2024-11-27 20:08:43,462 INFO L78 Accepts]: Start accepts. Automaton has 16591 states and 24204 transitions. Word has length 652 [2024-11-27 20:08:43,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:43,463 INFO L471 AbstractCegarLoop]: Abstraction has 16591 states and 24204 transitions. [2024-11-27 20:08:43,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-11-27 20:08:43,463 INFO L276 IsEmpty]: Start isEmpty. Operand 16591 states and 24204 transitions. [2024-11-27 20:08:43,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 665 [2024-11-27 20:08:43,470 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:43,470 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:43,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 20:08:43,471 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:08:43,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:43,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1965640007, now seen corresponding path program 1 times [2024-11-27 20:08:43,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:43,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916151431] [2024-11-27 20:08:43,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:43,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:47,557 INFO L134 CoverageAnalysis]: Checked inductivity of 5583 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 5557 trivial. 0 not checked. [2024-11-27 20:08:47,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:47,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916151431] [2024-11-27 20:08:47,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916151431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:47,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:47,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 20:08:47,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164498713] [2024-11-27 20:08:47,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:47,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:08:47,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:47,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:08:47,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:08:47,560 INFO L87 Difference]: Start difference. First operand 16591 states and 24204 transitions. Second operand has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (53), 2 states have call predecessors, (53), 3 states have return successors, (50), 3 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-27 20:08:48,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:48,666 INFO L93 Difference]: Finished difference Result 22147 states and 32218 transitions. [2024-11-27 20:08:48,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:08:48,667 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (53), 2 states have call predecessors, (53), 3 states have return successors, (50), 3 states have call predecessors, (50), 2 states have call successors, (50) Word has length 664 [2024-11-27 20:08:48,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:48,769 INFO L225 Difference]: With dead ends: 22147 [2024-11-27 20:08:48,769 INFO L226 Difference]: Without dead ends: 16584 [2024-11-27 20:08:48,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:08:48,800 INFO L435 NwaCegarLoop]: 5526 mSDtfsCounter, 0 mSDsluCounter, 22098 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27624 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:48,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27624 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:08:48,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16584 states. [2024-11-27 20:08:49,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16584 to 16584. [2024-11-27 20:08:49,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16584 states, 12527 states have (on average 1.3928314839945717) internal successors, (17448), 12636 states have internal predecessors, (17448), 3377 states have call successors, (3377), 681 states have call predecessors, (3377), 679 states have return successors, (3370), 3336 states have call predecessors, (3370), 3366 states have call successors, (3370) [2024-11-27 20:08:49,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16584 states to 16584 states and 24195 transitions. [2024-11-27 20:08:49,640 INFO L78 Accepts]: Start accepts. Automaton has 16584 states and 24195 transitions. Word has length 664 [2024-11-27 20:08:49,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:49,641 INFO L471 AbstractCegarLoop]: Abstraction has 16584 states and 24195 transitions. [2024-11-27 20:08:49,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (53), 2 states have call predecessors, (53), 3 states have return successors, (50), 3 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-27 20:08:49,641 INFO L276 IsEmpty]: Start isEmpty. Operand 16584 states and 24195 transitions. [2024-11-27 20:08:49,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 710 [2024-11-27 20:08:49,666 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:49,667 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:49,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-27 20:08:49,667 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:08:49,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:49,668 INFO L85 PathProgramCache]: Analyzing trace with hash -723727517, now seen corresponding path program 1 times [2024-11-27 20:08:49,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:49,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056375690] [2024-11-27 20:08:49,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:49,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:53,505 INFO L134 CoverageAnalysis]: Checked inductivity of 5571 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5554 trivial. 0 not checked. [2024-11-27 20:08:53,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:53,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056375690] [2024-11-27 20:08:53,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056375690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:53,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:53,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 20:08:53,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722712018] [2024-11-27 20:08:53,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:53,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:08:53,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:53,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:08:53,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:08:53,508 INFO L87 Difference]: Start difference. First operand 16584 states and 24195 transitions. Second operand has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2024-11-27 20:08:57,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:09:00,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:09:00,828 INFO L93 Difference]: Finished difference Result 40478 states and 58923 transitions. [2024-11-27 20:09:00,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:09:00,829 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 709 [2024-11-27 20:09:00,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:09:00,968 INFO L225 Difference]: With dead ends: 40478 [2024-11-27 20:09:00,968 INFO L226 Difference]: Without dead ends: 24326 [2024-11-27 20:09:01,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:09:01,039 INFO L435 NwaCegarLoop]: 9378 mSDtfsCounter, 3870 mSDsluCounter, 33633 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3870 SdHoareTripleChecker+Valid, 43011 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:09:01,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3870 Valid, 43011 Invalid, 62 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 54 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2024-11-27 20:09:01,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24326 states. [2024-11-27 20:09:02,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24326 to 22858. [2024-11-27 20:09:02,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22858 states, 17219 states have (on average 1.3873047215285441) internal successors, (23888), 17376 states have internal predecessors, (23888), 4668 states have call successors, (4668), 972 states have call predecessors, (4668), 970 states have return successors, (4661), 4610 states have call predecessors, (4661), 4656 states have call successors, (4661) [2024-11-27 20:09:02,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22858 states to 22858 states and 33217 transitions. [2024-11-27 20:09:02,275 INFO L78 Accepts]: Start accepts. Automaton has 22858 states and 33217 transitions. Word has length 709 [2024-11-27 20:09:02,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:09:02,276 INFO L471 AbstractCegarLoop]: Abstraction has 22858 states and 33217 transitions. [2024-11-27 20:09:02,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2024-11-27 20:09:02,276 INFO L276 IsEmpty]: Start isEmpty. Operand 22858 states and 33217 transitions. [2024-11-27 20:09:02,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 767 [2024-11-27 20:09:02,325 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:09:02,325 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:09:02,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-27 20:09:02,326 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:09:02,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:09:02,327 INFO L85 PathProgramCache]: Analyzing trace with hash 516986027, now seen corresponding path program 1 times [2024-11-27 20:09:02,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:09:02,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166211364] [2024-11-27 20:09:02,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:09:02,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:09:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:09:06,374 INFO L134 CoverageAnalysis]: Checked inductivity of 5595 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5578 trivial. 0 not checked. [2024-11-27 20:09:06,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:09:06,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166211364] [2024-11-27 20:09:06,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166211364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:09:06,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:09:06,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:09:06,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850474844] [2024-11-27 20:09:06,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:09:06,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:09:06,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:09:06,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:09:06,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:09:06,377 INFO L87 Difference]: Start difference. First operand 22858 states and 33217 transitions. Second operand has 4 states, 4 states have (on average 53.25) internal successors, (213), 4 states have internal predecessors, (213), 2 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2024-11-27 20:09:07,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:09:07,946 INFO L93 Difference]: Finished difference Result 45290 states and 65821 transitions. [2024-11-27 20:09:07,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:09:07,946 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 53.25) internal successors, (213), 4 states have internal predecessors, (213), 2 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) Word has length 766 [2024-11-27 20:09:07,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:09:08,085 INFO L225 Difference]: With dead ends: 45290 [2024-11-27 20:09:08,085 INFO L226 Difference]: Without dead ends: 22864 [2024-11-27 20:09:08,176 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:09:08,176 INFO L435 NwaCegarLoop]: 5527 mSDtfsCounter, 0 mSDsluCounter, 11045 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16572 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:09:08,177 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16572 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:09:08,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22864 states. [2024-11-27 20:09:09,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22864 to 22864. [2024-11-27 20:09:09,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22864 states, 17225 states have (on average 1.3871698113207547) internal successors, (23894), 17382 states have internal predecessors, (23894), 4668 states have call successors, (4668), 972 states have call predecessors, (4668), 970 states have return successors, (4661), 4610 states have call predecessors, (4661), 4656 states have call successors, (4661) [2024-11-27 20:09:09,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22864 states to 22864 states and 33223 transitions. [2024-11-27 20:09:09,535 INFO L78 Accepts]: Start accepts. Automaton has 22864 states and 33223 transitions. Word has length 766 [2024-11-27 20:09:09,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:09:09,536 INFO L471 AbstractCegarLoop]: Abstraction has 22864 states and 33223 transitions. [2024-11-27 20:09:09,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 53.25) internal successors, (213), 4 states have internal predecessors, (213), 2 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2024-11-27 20:09:09,536 INFO L276 IsEmpty]: Start isEmpty. Operand 22864 states and 33223 transitions. [2024-11-27 20:09:09,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2024-11-27 20:09:09,576 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:09:09,576 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:09:09,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-27 20:09:09,577 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:09:09,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:09:09,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1458585033, now seen corresponding path program 1 times [2024-11-27 20:09:09,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:09:09,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991944847] [2024-11-27 20:09:09,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:09:09,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:09:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:09:14,049 INFO L134 CoverageAnalysis]: Checked inductivity of 5595 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5578 trivial. 0 not checked. [2024-11-27 20:09:14,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:09:14,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991944847] [2024-11-27 20:09:14,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991944847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:09:14,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:09:14,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:09:14,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831452338] [2024-11-27 20:09:14,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:09:14,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:09:14,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:09:14,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:09:14,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:09:14,052 INFO L87 Difference]: Start difference. First operand 22864 states and 33223 transitions. Second operand has 7 states, 7 states have (on average 30.571428571428573) internal successors, (214), 7 states have internal predecessors, (214), 4 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) [2024-11-27 20:09:18,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:09:21,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:09:21,894 INFO L93 Difference]: Finished difference Result 53100 states and 77067 transitions. [2024-11-27 20:09:21,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 20:09:21,894 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 30.571428571428573) internal successors, (214), 7 states have internal predecessors, (214), 4 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) Word has length 767 [2024-11-27 20:09:21,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:09:22,089 INFO L225 Difference]: With dead ends: 53100 [2024-11-27 20:09:22,089 INFO L226 Difference]: Without dead ends: 30668 [2024-11-27 20:09:22,186 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:09:22,187 INFO L435 NwaCegarLoop]: 9373 mSDtfsCounter, 3882 mSDsluCounter, 42985 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3883 SdHoareTripleChecker+Valid, 52358 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:09:22,187 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3883 Valid, 52358 Invalid, 101 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14 Valid, 86 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2024-11-27 20:09:22,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30668 states. [2024-11-27 20:09:23,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30668 to 22891. [2024-11-27 20:09:23,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22891 states, 17243 states have (on average 1.3869396276749986) internal successors, (23915), 17400 states have internal predecessors, (23915), 4677 states have call successors, (4677), 972 states have call predecessors, (4677), 970 states have return successors, (4670), 4619 states have call predecessors, (4670), 4665 states have call successors, (4670) [2024-11-27 20:09:23,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22891 states to 22891 states and 33262 transitions. [2024-11-27 20:09:23,543 INFO L78 Accepts]: Start accepts. Automaton has 22891 states and 33262 transitions. Word has length 767 [2024-11-27 20:09:23,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:09:23,543 INFO L471 AbstractCegarLoop]: Abstraction has 22891 states and 33262 transitions. [2024-11-27 20:09:23,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 30.571428571428573) internal successors, (214), 7 states have internal predecessors, (214), 4 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) [2024-11-27 20:09:23,544 INFO L276 IsEmpty]: Start isEmpty. Operand 22891 states and 33262 transitions. [2024-11-27 20:09:23,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 836 [2024-11-27 20:09:23,582 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:09:23,582 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:09:23,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-27 20:09:23,583 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:09:23,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:09:23,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1553247824, now seen corresponding path program 1 times [2024-11-27 20:09:23,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:09:23,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556248626] [2024-11-27 20:09:23,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:09:23,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:09:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:09:27,297 INFO L134 CoverageAnalysis]: Checked inductivity of 5610 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5593 trivial. 0 not checked. [2024-11-27 20:09:27,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:09:27,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556248626] [2024-11-27 20:09:27,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556248626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:09:27,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:09:27,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:09:27,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899650615] [2024-11-27 20:09:27,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:09:27,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:09:27,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:09:27,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:09:27,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:09:27,300 INFO L87 Difference]: Start difference. First operand 22891 states and 33262 transitions. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 2 states have call successors, (75), 2 states have call predecessors, (75), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2024-11-27 20:09:28,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:09:28,887 INFO L93 Difference]: Finished difference Result 45857 states and 66688 transitions. [2024-11-27 20:09:28,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:09:28,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 2 states have call successors, (75), 2 states have call predecessors, (75), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) Word has length 835 [2024-11-27 20:09:28,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:09:29,037 INFO L225 Difference]: With dead ends: 45857 [2024-11-27 20:09:29,037 INFO L226 Difference]: Without dead ends: 23398 [2024-11-27 20:09:29,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:09:29,130 INFO L435 NwaCegarLoop]: 5711 mSDtfsCounter, 163 mSDsluCounter, 5541 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 11252 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:09:29,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 11252 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:09:29,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23398 states. [2024-11-27 20:09:30,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23398 to 22903. [2024-11-27 20:09:30,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22903 states, 17255 states have (on average 1.386670530281078) internal successors, (23927), 17412 states have internal predecessors, (23927), 4677 states have call successors, (4677), 972 states have call predecessors, (4677), 970 states have return successors, (4670), 4619 states have call predecessors, (4670), 4665 states have call successors, (4670) [2024-11-27 20:09:30,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22903 states to 22903 states and 33274 transitions. [2024-11-27 20:09:30,925 INFO L78 Accepts]: Start accepts. Automaton has 22903 states and 33274 transitions. Word has length 835 [2024-11-27 20:09:30,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:09:30,926 INFO L471 AbstractCegarLoop]: Abstraction has 22903 states and 33274 transitions. [2024-11-27 20:09:30,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 2 states have call successors, (75), 2 states have call predecessors, (75), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2024-11-27 20:09:30,927 INFO L276 IsEmpty]: Start isEmpty. Operand 22903 states and 33274 transitions. [2024-11-27 20:09:31,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 838 [2024-11-27 20:09:31,013 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:09:31,014 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:09:31,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-27 20:09:31,014 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:09:31,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:09:31,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1562507628, now seen corresponding path program 1 times [2024-11-27 20:09:31,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:09:31,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400875238] [2024-11-27 20:09:31,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:09:31,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms