./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness_negated.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da83a23d-77eb-40b0-b2ec-026a2c964019/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da83a23d-77eb-40b0-b2ec-026a2c964019/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da83a23d-77eb-40b0-b2ec-026a2c964019/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da83a23d-77eb-40b0-b2ec-026a2c964019/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da83a23d-77eb-40b0-b2ec-026a2c964019/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da83a23d-77eb-40b0-b2ec-026a2c964019/bin/uautomizer-verify-LYvppIcaGC --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 179a1ffc86769a00f66e166b0105235f9f4d772a412ed21eb988649ef2cb5874
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 00:27:14,640 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 00:27:14,727 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da83a23d-77eb-40b0-b2ec-026a2c964019/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-24 00:27:14,740 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 00:27:14,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 00:27:14,779 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 00:27:14,781 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 00:27:14,781 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 00:27:14,782 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 00:27:14,782 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 00:27:14,783 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 00:27:14,783 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 00:27:14,784 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 00:27:14,784 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 00:27:14,784 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 00:27:14,785 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 00:27:14,785 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 00:27:14,785 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 00:27:14,785 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 00:27:14,785 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 00:27:14,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 00:27:14,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 00:27:14,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 00:27:14,786 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 00:27:14,786 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 00:27:14,786 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 00:27:14,786 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:27:14,786 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:27:14,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:27:14,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:27:14,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 00:27:14,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:27:14,788 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:27:14,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:27:14,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:27:14,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 00:27:14,788 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 00:27:14,788 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 00:27:14,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 00:27:14,789 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-24 00:27:14,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 00:27:14,789 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 00:27:14,789 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 00:27:14,789 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 00:27:14,789 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 00:27:14,789 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_da83a23d-77eb-40b0-b2ec-026a2c964019/bin/uautomizer-verify-LYvppIcaGC
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 -> 179a1ffc86769a00f66e166b0105235f9f4d772a412ed21eb988649ef2cb5874
[2024-11-24 00:27:15,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 00:27:15,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 00:27:15,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 00:27:15,081 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 00:27:15,082 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 00:27:15,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da83a23d-77eb-40b0-b2ec-026a2c964019/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness_negated.i
[2024-11-24 00:27:18,103 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da83a23d-77eb-40b0-b2ec-026a2c964019/bin/uautomizer-verify-LYvppIcaGC/data/4304b7f78/0a9c698d9c99407d895b785fa7c9a79c/FLAG553aeba62
[2024-11-24 00:27:18,714 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 00:27:18,715 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da83a23d-77eb-40b0-b2ec-026a2c964019/sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness_negated.i
[2024-11-24 00:27:18,760 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da83a23d-77eb-40b0-b2ec-026a2c964019/bin/uautomizer-verify-LYvppIcaGC/data/4304b7f78/0a9c698d9c99407d895b785fa7c9a79c/FLAG553aeba62
[2024-11-24 00:27:18,777 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da83a23d-77eb-40b0-b2ec-026a2c964019/bin/uautomizer-verify-LYvppIcaGC/data/4304b7f78/0a9c698d9c99407d895b785fa7c9a79c
[2024-11-24 00:27:18,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 00:27:18,781 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 00:27:18,784 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 00:27:18,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 00:27:18,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 00:27:18,793 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:27:18" (1/1) ...
[2024-11-24 00:27:18,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3868a112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:27:18, skipping insertion in model container
[2024-11-24 00:27:18,794 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:27:18" (1/1) ...
[2024-11-24 00:27:18,914 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 00:27:19,205 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_da83a23d-77eb-40b0-b2ec-026a2c964019/sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness_negated.i[4503,4516]
[2024-11-24 00:27:19,213 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_da83a23d-77eb-40b0-b2ec-026a2c964019/sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness_negated.i[4563,4576]
[2024-11-24 00:27:20,472 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:20,473 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:20,477 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:20,478 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:20,479 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:20,508 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:20,509 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:20,511 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:20,511 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:20,514 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:20,515 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:20,516 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:20,516 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:21,774 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:21,775 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:21,803 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:21,804 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:21,811 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:21,812 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:21,832 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:21,833 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:21,833 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:21,833 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:21,834 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:21,834 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:21,835 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:21,872 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_da83a23d-77eb-40b0-b2ec-026a2c964019/sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness_negated.i[228209,228222]
[2024-11-24 00:27:21,873 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:27:21,913 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 00:27:21,934 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_da83a23d-77eb-40b0-b2ec-026a2c964019/sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness_negated.i[4503,4516]
[2024-11-24 00:27:21,935 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_da83a23d-77eb-40b0-b2ec-026a2c964019/sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness_negated.i[4563,4576]
[2024-11-24 00:27:21,985 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:21,985 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:21,986 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:21,986 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:21,987 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:21,994 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:21,994 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:21,995 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:21,996 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:21,997 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:21,998 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:21,998 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:21,999 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:22,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__(""
:
: "r"(pBuf)
: "memory"); [7544-7555]
[2024-11-24 00:27:22,282 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:22,282 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:22,293 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:22,294 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:22,297 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:22,298 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:22,312 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:22,315 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:22,315 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:22,316 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:22,317 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:22,317 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:22,318 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 00:27:22,344 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_da83a23d-77eb-40b0-b2ec-026a2c964019/sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness_negated.i[228209,228222]
[2024-11-24 00:27:22,344 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:27:22,784 INFO L204 MainTranslator]: Completed translation
[2024-11-24 00:27:22,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:27:22 WrapperNode
[2024-11-24 00:27:22,786 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 00:27:22,788 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 00:27:22,788 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 00:27:22,788 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 00:27:22,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:27:22" (1/1) ...
[2024-11-24 00:27:22,913 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:27:22" (1/1) ...
[2024-11-24 00:27:23,010 INFO L138 Inliner]: procedures = 764, calls = 2425, calls flagged for inlining = 66, calls inlined = 11, statements flattened = 831
[2024-11-24 00:27:23,010 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 00:27:23,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 00:27:23,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 00:27:23,012 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 00:27:23,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:27:22" (1/1) ...
[2024-11-24 00:27:23,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:27:22" (1/1) ...
[2024-11-24 00:27:23,030 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:27:22" (1/1) ...
[2024-11-24 00:27:23,041 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS
[2024-11-24 00:27:23,042 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:27:22" (1/1) ...
[2024-11-24 00:27:23,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:27:22" (1/1) ...
[2024-11-24 00:27:23,100 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:27:22" (1/1) ...
[2024-11-24 00:27:23,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:27:22" (1/1) ...
[2024-11-24 00:27:23,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:27:22" (1/1) ...
[2024-11-24 00:27:23,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:27:22" (1/1) ...
[2024-11-24 00:27:23,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:27:22" (1/1) ...
[2024-11-24 00:27:23,155 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 00:27:23,156 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 00:27:23,158 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 00:27:23,158 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 00:27:23,159 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:27:22" (1/1) ...
[2024-11-24 00:27:23,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:27:23,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da83a23d-77eb-40b0-b2ec-026a2c964019/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:27:23,214 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da83a23d-77eb-40b0-b2ec-026a2c964019/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 00:27:23,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da83a23d-77eb-40b0-b2ec-026a2c964019/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 00:27:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure s_update_template_size
[2024-11-24 00:27:23,251 INFO L138 BoogieDeclarations]: Found implementation of procedure s_update_template_size
[2024-11-24 00:27:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~real
[2024-11-24 00:27:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-24 00:27:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool
[2024-11-24 00:27:23,253 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool
[2024-11-24 00:27:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid
[2024-11-24 00:27:23,253 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid
[2024-11-24 00:27:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2024-11-24 00:27:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_calloc
[2024-11-24 00:27:23,253 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_calloc
[2024-11-24 00:27:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-11-24 00:27:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error
[2024-11-24 00:27:23,253 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error
[2024-11-24 00:27:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-11-24 00:27:23,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-11-24 00:27:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~real
[2024-11-24 00:27:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid
[2024-11-24 00:27:23,253 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid
[2024-11-24 00:27:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-24 00:27:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 00:27:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes
[2024-11-24 00:27:23,254 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes
[2024-11-24 00:27:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2024-11-24 00:27:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 00:27:23,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 00:27:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t
[2024-11-24 00:27:23,254 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t
[2024-11-24 00:27:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked
[2024-11-24 00:27:23,254 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked
[2024-11-24 00:27:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$
[2024-11-24 00:27:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-24 00:27:23,254 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-24 00:27:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-24 00:27:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus
[2024-11-24 00:27:23,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus
[2024-11-24 00:27:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2024-11-24 00:27:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid
[2024-11-24 00:27:23,254 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid
[2024-11-24 00:27:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2024-11-24 00:27:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator
[2024-11-24 00:27:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator
[2024-11-24 00:27:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult
[2024-11-24 00:27:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult
[2024-11-24 00:27:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked
[2024-11-24 00:27:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked
[2024-11-24 00:27:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-11-24 00:27:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure s_alloc_state
[2024-11-24 00:27:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure s_alloc_state
[2024-11-24 00:27:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-24 00:27:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two
[2024-11-24 00:27:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two
[2024-11-24 00:27:23,668 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 00:27:23,670 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 00:27:24,569 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2024-11-24 00:27:30,375 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false;
[2024-11-24 00:27:30,375 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false;
[2024-11-24 00:27:30,488 INFO L? ?]: Removed 174 outVars from TransFormulas that were not future-live.
[2024-11-24 00:27:30,488 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 00:27:30,500 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 00:27:30,501 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-24 00:27:30,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:27:30 BoogieIcfgContainer
[2024-11-24 00:27:30,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 00:27:30,504 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 00:27:30,504 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 00:27:30,510 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 00:27:30,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:27:18" (1/3) ...
[2024-11-24 00:27:30,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ef70130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:27:30, skipping insertion in model container
[2024-11-24 00:27:30,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:27:22" (2/3) ...
[2024-11-24 00:27:30,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ef70130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:27:30, skipping insertion in model container
[2024-11-24 00:27:30,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:27:30" (3/3) ...
[2024-11-24 00:27:30,512 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_init_unbounded_harness_negated.i
[2024-11-24 00:27:30,529 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 00:27:30,531 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_init_unbounded_harness_negated.i that has 19 procedures, 191 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-24 00:27:30,611 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 00:27:30,626 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;@301ecf05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 00:27:30,626 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-24 00:27:30,632 INFO L276 IsEmpty]: Start isEmpty. Operand has 191 states, 137 states have (on average 1.2773722627737227) internal successors, (175), 137 states have internal predecessors, (175), 35 states have call successors, (35), 18 states have call predecessors, (35), 18 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35)
[2024-11-24 00:27:30,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71
[2024-11-24 00:27:30,644 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:27:30,645 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:27:30,646 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:27:30,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:27:30,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1734843285, now seen corresponding path program 1 times
[2024-11-24 00:27:30,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:27:30,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767054695]
[2024-11-24 00:27:30,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:27:30,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:27:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:27:38,586 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked.
[2024-11-24 00:27:38,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:27:38,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767054695]
[2024-11-24 00:27:38,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767054695] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 00:27:38,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726245693]
[2024-11-24 00:27:38,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:27:38,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:27:38,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da83a23d-77eb-40b0-b2ec-026a2c964019/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:27:38,591 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da83a23d-77eb-40b0-b2ec-026a2c964019/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:27:38,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da83a23d-77eb-40b0-b2ec-026a2c964019/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-24 00:27:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:27:45,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 4093 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-24 00:27:45,627 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:27:45,647 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked.
[2024-11-24 00:27:45,647 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:27:45,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726245693] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:27:45,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-24 00:27:45,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-24 00:27:45,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388274232]
[2024-11-24 00:27:45,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:27:45,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-24 00:27:45,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:27:45,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-24 00:27:45,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 00:27:45,688 INFO L87 Difference]: Start difference. First operand has 191 states, 137 states have (on average 1.2773722627737227) internal successors, (175), 137 states have internal predecessors, (175), 35 states have call successors, (35), 18 states have call predecessors, (35), 18 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10)
[2024-11-24 00:27:45,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:27:45,743 INFO L93 Difference]: Finished difference Result 371 states and 495 transitions.
[2024-11-24 00:27:45,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-24 00:27:45,747 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 70
[2024-11-24 00:27:45,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:27:45,758 INFO L225 Difference]: With dead ends: 371
[2024-11-24 00:27:45,759 INFO L226 Difference]: Without dead ends: 184
[2024-11-24 00:27:45,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 00:27:45,766 INFO L435 NwaCegarLoop]: 240 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, 240 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 00:27:45,768 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 00:27:45,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states.
[2024-11-24 00:27:45,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184.
[2024-11-24 00:27:45,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 130 states have (on average 1.2615384615384615) internal successors, (164), 131 states have internal predecessors, (164), 35 states have call successors, (35), 18 states have call predecessors, (35), 18 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34)
[2024-11-24 00:27:45,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 233 transitions.
[2024-11-24 00:27:45,823 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 233 transitions. Word has length 70
[2024-11-24 00:27:45,825 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:27:45,825 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 233 transitions.
[2024-11-24 00:27:45,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10)
[2024-11-24 00:27:45,825 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 233 transitions.
[2024-11-24 00:27:45,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71
[2024-11-24 00:27:45,828 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:27:45,828 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:27:45,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da83a23d-77eb-40b0-b2ec-026a2c964019/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-24 00:27:46,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da83a23d-77eb-40b0-b2ec-026a2c964019/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-11-24 00:27:46,029 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:27:46,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:27:46,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1662150887, now seen corresponding path program 1 times
[2024-11-24 00:27:46,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:27:46,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888005855]
[2024-11-24 00:27:46,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:27:46,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:27:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:27:53,212 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-24 00:27:53,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:27:53,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888005855]
[2024-11-24 00:27:53,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888005855] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:27:53,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:27:53,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 00:27:53,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164633096]
[2024-11-24 00:27:53,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:27:53,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 00:27:53,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:27:53,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 00:27:53,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 00:27:53,217 INFO L87 Difference]: Start difference. First operand 184 states and 233 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10)
[2024-11-24 00:27:53,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:27:53,379 INFO L93 Difference]: Finished difference Result 316 states and 390 transitions.
[2024-11-24 00:27:53,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 00:27:53,379 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 70
[2024-11-24 00:27:53,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:27:53,382 INFO L225 Difference]: With dead ends: 316
[2024-11-24 00:27:53,382 INFO L226 Difference]: Without dead ends: 186
[2024-11-24 00:27:53,386 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
[2024-11-24 00:27:53,387 INFO L435 NwaCegarLoop]: 231 mSDtfsCounter, 0 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 00:27:53,387 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 688 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 00:27:53,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states.
[2024-11-24 00:27:53,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186.
[2024-11-24 00:27:53,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 132 states have (on average 1.2575757575757576) internal successors, (166), 133 states have internal predecessors, (166), 35 states have call successors, (35), 18 states have call predecessors, (35), 18 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34)
[2024-11-24 00:27:53,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 235 transitions.
[2024-11-24 00:27:53,417 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 235 transitions. Word has length 70
[2024-11-24 00:27:53,417 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:27:53,417 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 235 transitions.
[2024-11-24 00:27:53,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10)
[2024-11-24 00:27:53,418 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 235 transitions.
[2024-11-24 00:27:53,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73
[2024-11-24 00:27:53,421 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:27:53,422 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:27:53,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-24 00:27:53,422 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:27:53,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:27:53,423 INFO L85 PathProgramCache]: Analyzing trace with hash -475052884, now seen corresponding path program 1 times
[2024-11-24 00:27:53,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:27:53,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130819244]
[2024-11-24 00:27:53,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:27:53,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:27:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:27:59,851 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-24 00:27:59,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:27:59,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130819244]
[2024-11-24 00:27:59,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130819244] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:27:59,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:27:59,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 00:27:59,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978842450]
[2024-11-24 00:27:59,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:27:59,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 00:27:59,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:27:59,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 00:27:59,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 00:27:59,853 INFO L87 Difference]: Start difference. First operand 186 states and 235 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10)
[2024-11-24 00:27:59,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:27:59,988 INFO L93 Difference]: Finished difference Result 224 states and 278 transitions.
[2024-11-24 00:27:59,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 00:27:59,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 72
[2024-11-24 00:27:59,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:27:59,994 INFO L225 Difference]: With dead ends: 224
[2024-11-24 00:27:59,998 INFO L226 Difference]: Without dead ends: 190
[2024-11-24 00:27:59,998 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
[2024-11-24 00:27:59,999 INFO L435 NwaCegarLoop]: 231 mSDtfsCounter, 0 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 00:27:59,999 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 688 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 00:28:00,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states.
[2024-11-24 00:28:00,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190.
[2024-11-24 00:28:00,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 135 states have (on average 1.2518518518518518) internal successors, (169), 136 states have internal predecessors, (169), 35 states have call successors, (35), 18 states have call predecessors, (35), 19 states have return successors, (35), 35 states have call predecessors, (35), 34 states have call successors, (35)
[2024-11-24 00:28:00,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 239 transitions.
[2024-11-24 00:28:00,026 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 239 transitions. Word has length 72
[2024-11-24 00:28:00,027 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:28:00,027 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 239 transitions.
[2024-11-24 00:28:00,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10)
[2024-11-24 00:28:00,027 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 239 transitions.
[2024-11-24 00:28:00,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78
[2024-11-24 00:28:00,033 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:28:00,033 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:28:00,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-24 00:28:00,033 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:28:00,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:28:00,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1439224058, now seen corresponding path program 1 times
[2024-11-24 00:28:00,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:28:00,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608246875]
[2024-11-24 00:28:00,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:28:00,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:28:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:28:05,998 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-24 00:28:06,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:28:06,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608246875]
[2024-11-24 00:28:06,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608246875] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:28:06,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:28:06,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 00:28:06,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972394657]
[2024-11-24 00:28:06,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:28:06,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 00:28:06,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:28:06,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 00:28:06,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 00:28:06,003 INFO L87 Difference]: Start difference. First operand 190 states and 239 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11)
[2024-11-24 00:28:06,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:28:06,085 INFO L93 Difference]: Finished difference Result 224 states and 277 transitions.
[2024-11-24 00:28:06,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 00:28:06,086 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 77
[2024-11-24 00:28:06,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:28:06,090 INFO L225 Difference]: With dead ends: 224
[2024-11-24 00:28:06,090 INFO L226 Difference]: Without dead ends: 190
[2024-11-24 00:28:06,091 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
[2024-11-24 00:28:06,093 INFO L435 NwaCegarLoop]: 232 mSDtfsCounter, 0 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 00:28:06,095 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 690 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 00:28:06,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states.
[2024-11-24 00:28:06,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 186.
[2024-11-24 00:28:06,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 132 states have (on average 1.2424242424242424) internal successors, (164), 133 states have internal predecessors, (164), 35 states have call successors, (35), 18 states have call predecessors, (35), 18 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34)
[2024-11-24 00:28:06,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 233 transitions.
[2024-11-24 00:28:06,118 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 233 transitions. Word has length 77
[2024-11-24 00:28:06,118 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:28:06,118 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 233 transitions.
[2024-11-24 00:28:06,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11)
[2024-11-24 00:28:06,119 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 233 transitions.
[2024-11-24 00:28:06,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95
[2024-11-24 00:28:06,124 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:28:06,125 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:28:06,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-24 00:28:06,125 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:28:06,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:28:06,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1011536445, now seen corresponding path program 1 times
[2024-11-24 00:28:06,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:28:06,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931836892]
[2024-11-24 00:28:06,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:28:06,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:28:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:28:12,130 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-24 00:28:12,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:28:12,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931836892]
[2024-11-24 00:28:12,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931836892] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:28:12,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:28:12,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 00:28:12,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872016959]
[2024-11-24 00:28:12,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:28:12,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 00:28:12,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:28:12,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 00:28:12,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 00:28:12,133 INFO L87 Difference]: Start difference. First operand 186 states and 233 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-24 00:28:12,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:28:12,302 INFO L93 Difference]: Finished difference Result 296 states and 363 transitions.
[2024-11-24 00:28:12,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-24 00:28:12,304 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 94
[2024-11-24 00:28:12,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:28:12,307 INFO L225 Difference]: With dead ends: 296
[2024-11-24 00:28:12,308 INFO L226 Difference]: Without dead ends: 191
[2024-11-24 00:28:12,309 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 00:28:12,310 INFO L435 NwaCegarLoop]: 228 mSDtfsCounter, 0 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 00:28:12,311 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 908 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 00:28:12,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states.
[2024-11-24 00:28:12,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191.
[2024-11-24 00:28:12,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 136 states have (on average 1.2352941176470589) internal successors, (168), 137 states have internal predecessors, (168), 35 states have call successors, (35), 18 states have call predecessors, (35), 19 states have return successors, (37), 35 states have call predecessors, (37), 34 states have call successors, (37)
[2024-11-24 00:28:12,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 240 transitions.
[2024-11-24 00:28:12,324 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 240 transitions. Word has length 94
[2024-11-24 00:28:12,324 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:28:12,325 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 240 transitions.
[2024-11-24 00:28:12,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-24 00:28:12,325 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 240 transitions.
[2024-11-24 00:28:12,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101
[2024-11-24 00:28:12,326 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:28:12,327 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:28:12,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-24 00:28:12,327 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:28:12,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:28:12,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1521911148, now seen corresponding path program 1 times
[2024-11-24 00:28:12,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:28:12,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940286280]
[2024-11-24 00:28:12,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:28:12,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:28:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:28:20,680 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-24 00:28:20,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:28:20,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940286280]
[2024-11-24 00:28:20,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940286280] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:28:20,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:28:20,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-11-24 00:28:20,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685201455]
[2024-11-24 00:28:20,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:28:20,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-24 00:28:20,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:28:20,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-24 00:28:20,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2024-11-24 00:28:20,683 INFO L87 Difference]: Start difference. First operand 191 states and 240 transitions. Second operand has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15)
[2024-11-24 00:28:24,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-24 00:28:29,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-24 00:28:33,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-24 00:28:37,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-24 00:28:42,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-24 00:28:45,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:28:45,478 INFO L93 Difference]: Finished difference Result 235 states and 292 transitions.
[2024-11-24 00:28:45,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-24 00:28:45,483 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 100
[2024-11-24 00:28:45,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:28:45,485 INFO L225 Difference]: With dead ends: 235
[2024-11-24 00:28:45,485 INFO L226 Difference]: Without dead ends: 199
[2024-11-24 00:28:45,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110
[2024-11-24 00:28:45,486 INFO L435 NwaCegarLoop]: 224 mSDtfsCounter, 11 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1264 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time
[2024-11-24 00:28:45,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 1264 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 107 Invalid, 5 Unknown, 0 Unchecked, 24.2s Time]
[2024-11-24 00:28:45,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states.
[2024-11-24 00:28:45,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 196.
[2024-11-24 00:28:45,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 140 states have (on average 1.2357142857142858) internal successors, (173), 142 states have internal predecessors, (173), 35 states have call successors, (35), 18 states have call predecessors, (35), 20 states have return successors, (38), 35 states have call predecessors, (38), 34 states have call successors, (38)
[2024-11-24 00:28:45,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 246 transitions.
[2024-11-24 00:28:45,501 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 246 transitions. Word has length 100
[2024-11-24 00:28:45,501 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:28:45,501 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 246 transitions.
[2024-11-24 00:28:45,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15)
[2024-11-24 00:28:45,502 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 246 transitions.
[2024-11-24 00:28:45,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101
[2024-11-24 00:28:45,503 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:28:45,503 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:28:45,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-24 00:28:45,504 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:28:45,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:28:45,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1128884138, now seen corresponding path program 1 times
[2024-11-24 00:28:45,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:28:45,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067598283]
[2024-11-24 00:28:45,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:28:45,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:28:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:28:51,896 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-24 00:28:51,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:28:51,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067598283]
[2024-11-24 00:28:51,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067598283] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:28:51,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:28:51,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 00:28:51,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134649573]
[2024-11-24 00:28:51,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:28:51,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 00:28:51,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:28:51,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 00:28:51,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-24 00:28:51,900 INFO L87 Difference]: Start difference. First operand 196 states and 246 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15)
[2024-11-24 00:28:52,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:28:52,183 INFO L93 Difference]: Finished difference Result 242 states and 300 transitions.
[2024-11-24 00:28:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-24 00:28:52,186 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 100
[2024-11-24 00:28:52,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:28:52,191 INFO L225 Difference]: With dead ends: 242
[2024-11-24 00:28:52,191 INFO L226 Difference]: Without dead ends: 201
[2024-11-24 00:28:52,192 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-24 00:28:52,192 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 5 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-24 00:28:52,193 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 677 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-24 00:28:52,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states.
[2024-11-24 00:28:52,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 198.
[2024-11-24 00:28:52,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 141 states have (on average 1.2340425531914894) internal successors, (174), 143 states have internal predecessors, (174), 36 states have call successors, (36), 18 states have call predecessors, (36), 20 states have return successors, (39), 36 states have call predecessors, (39), 35 states have call successors, (39)
[2024-11-24 00:28:52,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 249 transitions.
[2024-11-24 00:28:52,214 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 249 transitions. Word has length 100
[2024-11-24 00:28:52,215 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:28:52,215 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 249 transitions.
[2024-11-24 00:28:52,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15)
[2024-11-24 00:28:52,215 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 249 transitions.
[2024-11-24 00:28:52,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107
[2024-11-24 00:28:52,217 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:28:52,217 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:28:52,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-24 00:28:52,217 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:28:52,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:28:52,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1119241339, now seen corresponding path program 1 times
[2024-11-24 00:28:52,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:28:52,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113044660]
[2024-11-24 00:28:52,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:28:52,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:28:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:29:02,576 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-24 00:29:02,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:29:02,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113044660]
[2024-11-24 00:29:02,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113044660] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:29:02,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:29:02,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-24 00:29:02,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388460558]
[2024-11-24 00:29:02,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:29:02,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-24 00:29:02,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:29:02,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-24 00:29:02,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2024-11-24 00:29:02,579 INFO L87 Difference]: Start difference. First operand 198 states and 249 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16)
[2024-11-24 00:29:06,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-24 00:29:10,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-24 00:29:15,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-24 00:29:19,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-24 00:29:23,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:29:23,695 INFO L93 Difference]: Finished difference Result 249 states and 308 transitions.
[2024-11-24 00:29:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-24 00:29:23,696 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) Word has length 106
[2024-11-24 00:29:23,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:29:23,700 INFO L225 Difference]: With dead ends: 249
[2024-11-24 00:29:23,700 INFO L226 Difference]: Without dead ends: 201
[2024-11-24 00:29:23,700 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110
[2024-11-24 00:29:23,701 INFO L435 NwaCegarLoop]: 225 mSDtfsCounter, 7 mSDsluCounter, 1489 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1714 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time
[2024-11-24 00:29:23,701 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1714 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 136 Invalid, 4 Unknown, 0 Unchecked, 20.6s Time]
[2024-11-24 00:29:23,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states.
[2024-11-24 00:29:23,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 198.
[2024-11-24 00:29:23,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 141 states have (on average 1.2198581560283688) internal successors, (172), 143 states have internal predecessors, (172), 36 states have call successors, (36), 18 states have call predecessors, (36), 20 states have return successors, (39), 36 states have call predecessors, (39), 35 states have call successors, (39)
[2024-11-24 00:29:23,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 247 transitions.
[2024-11-24 00:29:23,716 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 247 transitions. Word has length 106
[2024-11-24 00:29:23,717 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:29:23,717 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 247 transitions.
[2024-11-24 00:29:23,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16)
[2024-11-24 00:29:23,718 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 247 transitions.
[2024-11-24 00:29:23,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142
[2024-11-24 00:29:23,720 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:29:23,720 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:29:23,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-24 00:29:23,720 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:29:23,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:29:23,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1357800383, now seen corresponding path program 1 times
[2024-11-24 00:29:23,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:29:23,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021957249]
[2024-11-24 00:29:23,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:29:23,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:29:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:29:29,169 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked.
[2024-11-24 00:29:29,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:29:29,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021957249]
[2024-11-24 00:29:29,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021957249] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:29:29,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:29:29,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 00:29:29,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366893578]
[2024-11-24 00:29:29,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:29:29,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 00:29:29,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:29:29,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 00:29:29,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 00:29:29,171 INFO L87 Difference]: Start difference. First operand 198 states and 247 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21)
[2024-11-24 00:29:29,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:29:29,247 INFO L93 Difference]: Finished difference Result 313 states and 380 transitions.
[2024-11-24 00:29:29,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 00:29:29,248 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 141
[2024-11-24 00:29:29,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:29:29,250 INFO L225 Difference]: With dead ends: 313
[2024-11-24 00:29:29,251 INFO L226 Difference]: Without dead ends: 198
[2024-11-24 00:29:29,251 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
[2024-11-24 00:29:29,252 INFO L435 NwaCegarLoop]: 231 mSDtfsCounter, 0 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 00:29:29,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 686 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 00:29:29,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states.
[2024-11-24 00:29:29,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 193.
[2024-11-24 00:29:29,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 137 states have (on average 1.2116788321167884) internal successors, (166), 139 states have internal predecessors, (166), 36 states have call successors, (36), 18 states have call predecessors, (36), 19 states have return successors, (36), 35 states have call predecessors, (36), 35 states have call successors, (36)
[2024-11-24 00:29:29,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 238 transitions.
[2024-11-24 00:29:29,265 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 238 transitions. Word has length 141
[2024-11-24 00:29:29,266 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:29:29,266 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 238 transitions.
[2024-11-24 00:29:29,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21)
[2024-11-24 00:29:29,266 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 238 transitions.
[2024-11-24 00:29:29,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148
[2024-11-24 00:29:29,269 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:29:29,269 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:29:29,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-24 00:29:29,269 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:29:29,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:29:29,270 INFO L85 PathProgramCache]: Analyzing trace with hash -200941205, now seen corresponding path program 1 times
[2024-11-24 00:29:29,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:29:29,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624962749]
[2024-11-24 00:29:29,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:29:29,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:29:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:29:35,350 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked.
[2024-11-24 00:29:35,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:29:35,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624962749]
[2024-11-24 00:29:35,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624962749] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:29:35,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:29:35,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 00:29:35,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473682379]
[2024-11-24 00:29:35,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:29:35,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 00:29:35,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:29:35,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 00:29:35,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 00:29:35,353 INFO L87 Difference]: Start difference. First operand 193 states and 238 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22)
[2024-11-24 00:29:35,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:29:35,608 INFO L93 Difference]: Finished difference Result 248 states and 304 transitions.
[2024-11-24 00:29:35,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-24 00:29:35,609 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 147
[2024-11-24 00:29:35,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:29:35,611 INFO L225 Difference]: With dead ends: 248
[2024-11-24 00:29:35,611 INFO L226 Difference]: Without dead ends: 198
[2024-11-24 00:29:35,612 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 00:29:35,612 INFO L435 NwaCegarLoop]: 224 mSDtfsCounter, 0 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-24 00:29:35,612 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 890 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-24 00:29:35,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states.
[2024-11-24 00:29:35,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198.
[2024-11-24 00:29:35,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 141 states have (on average 1.2056737588652482) internal successors, (170), 143 states have internal predecessors, (170), 36 states have call successors, (36), 18 states have call predecessors, (36), 20 states have return successors, (39), 36 states have call predecessors, (39), 35 states have call successors, (39)
[2024-11-24 00:29:35,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 245 transitions.
[2024-11-24 00:29:35,630 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 245 transitions. Word has length 147
[2024-11-24 00:29:35,630 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:29:35,631 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 245 transitions.
[2024-11-24 00:29:35,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22)
[2024-11-24 00:29:35,631 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 245 transitions.
[2024-11-24 00:29:35,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154
[2024-11-24 00:29:35,637 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:29:35,637 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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]
[2024-11-24 00:29:35,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-24 00:29:35,637 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:29:35,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:29:35,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1764365140, now seen corresponding path program 1 times
[2024-11-24 00:29:35,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:29:35,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499973620]
[2024-11-24 00:29:35,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:29:35,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:29:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:29:41,266 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked.
[2024-11-24 00:29:41,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:29:41,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499973620]
[2024-11-24 00:29:41,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499973620] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:29:41,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:29:41,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 00:29:41,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692499988]
[2024-11-24 00:29:41,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:29:41,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 00:29:41,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:29:41,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 00:29:41,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 00:29:41,269 INFO L87 Difference]: Start difference. First operand 198 states and 245 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23)
[2024-11-24 00:29:41,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:29:41,608 INFO L93 Difference]: Finished difference Result 248 states and 303 transitions.
[2024-11-24 00:29:41,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 00:29:41,608 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 153
[2024-11-24 00:29:41,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:29:41,611 INFO L225 Difference]: With dead ends: 248
[2024-11-24 00:29:41,611 INFO L226 Difference]: Without dead ends: 198
[2024-11-24 00:29:41,612 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 00:29:41,612 INFO L435 NwaCegarLoop]: 227 mSDtfsCounter, 0 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-24 00:29:41,613 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 675 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-24 00:29:41,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states.
[2024-11-24 00:29:41,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 193.
[2024-11-24 00:29:41,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 137 states have (on average 1.2043795620437956) internal successors, (165), 139 states have internal predecessors, (165), 36 states have call successors, (36), 18 states have call predecessors, (36), 19 states have return successors, (36), 35 states have call predecessors, (36), 35 states have call successors, (36)
[2024-11-24 00:29:41,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 237 transitions.
[2024-11-24 00:29:41,626 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 237 transitions. Word has length 153
[2024-11-24 00:29:41,627 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:29:41,627 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 237 transitions.
[2024-11-24 00:29:41,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23)
[2024-11-24 00:29:41,628 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 237 transitions.
[2024-11-24 00:29:41,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2024-11-24 00:29:41,630 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:29:41,631 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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]
[2024-11-24 00:29:41,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-24 00:29:41,631 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:29:41,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:29:41,632 INFO L85 PathProgramCache]: Analyzing trace with hash 965134937, now seen corresponding path program 1 times
[2024-11-24 00:29:41,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:29:41,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425845556]
[2024-11-24 00:29:41,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:29:41,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:29:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:29:48,166 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked.
[2024-11-24 00:29:48,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:29:48,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425845556]
[2024-11-24 00:29:48,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425845556] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:29:48,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:29:48,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-24 00:29:48,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072690572]
[2024-11-24 00:29:48,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:29:48,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 00:29:48,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:29:48,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 00:29:48,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:29:48,169 INFO L87 Difference]: Start difference. First operand 193 states and 237 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24)
[2024-11-24 00:29:48,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:29:48,493 INFO L93 Difference]: Finished difference Result 250 states and 303 transitions.
[2024-11-24 00:29:48,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 00:29:48,494 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 160
[2024-11-24 00:29:48,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:29:48,496 INFO L225 Difference]: With dead ends: 250
[2024-11-24 00:29:48,496 INFO L226 Difference]: Without dead ends: 199
[2024-11-24 00:29:48,497 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:29:48,497 INFO L435 NwaCegarLoop]: 222 mSDtfsCounter, 2 mSDsluCounter, 879 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1101 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-24 00:29:48,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1101 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-24 00:29:48,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states.
[2024-11-24 00:29:48,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 198.
[2024-11-24 00:29:48,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 141 states have (on average 1.198581560283688) internal successors, (169), 143 states have internal predecessors, (169), 36 states have call successors, (36), 18 states have call predecessors, (36), 20 states have return successors, (37), 36 states have call predecessors, (37), 35 states have call successors, (37)
[2024-11-24 00:29:48,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 242 transitions.
[2024-11-24 00:29:48,514 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 242 transitions. Word has length 160
[2024-11-24 00:29:48,515 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:29:48,515 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 242 transitions.
[2024-11-24 00:29:48,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24)
[2024-11-24 00:29:48,516 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 242 transitions.
[2024-11-24 00:29:48,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167
[2024-11-24 00:29:48,518 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:29:48,519 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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]
[2024-11-24 00:29:48,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-24 00:29:48,519 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:29:48,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:29:48,520 INFO L85 PathProgramCache]: Analyzing trace with hash 2097784857, now seen corresponding path program 1 times
[2024-11-24 00:29:48,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:29:48,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406560881]
[2024-11-24 00:29:48,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:29:48,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:29:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:29:56,098 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked.
[2024-11-24 00:29:56,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:29:56,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406560881]
[2024-11-24 00:29:56,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406560881] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:29:56,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:29:56,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-11-24 00:29:56,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889636516]
[2024-11-24 00:29:56,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:29:56,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-24 00:29:56,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:29:56,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-24 00:29:56,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2024-11-24 00:29:56,100 INFO L87 Difference]: Start difference. First operand 198 states and 242 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25)
[2024-11-24 00:29:56,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:29:56,691 INFO L93 Difference]: Finished difference Result 249 states and 301 transitions.
[2024-11-24 00:29:56,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-24 00:29:56,698 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) Word has length 166
[2024-11-24 00:29:56,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:29:56,700 INFO L225 Difference]: With dead ends: 249
[2024-11-24 00:29:56,700 INFO L226 Difference]: Without dead ends: 191
[2024-11-24 00:29:56,701 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2024-11-24 00:29:56,701 INFO L435 NwaCegarLoop]: 221 mSDtfsCounter, 0 mSDsluCounter, 1317 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1538 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-24 00:29:56,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1538 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-24 00:29:56,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states.
[2024-11-24 00:29:56,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191.
[2024-11-24 00:29:56,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 136 states have (on average 1.1911764705882353) internal successors, (162), 138 states have internal predecessors, (162), 35 states have call successors, (35), 18 states have call predecessors, (35), 19 states have return successors, (35), 34 states have call predecessors, (35), 34 states have call successors, (35)
[2024-11-24 00:29:56,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 232 transitions.
[2024-11-24 00:29:56,713 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 232 transitions. Word has length 166
[2024-11-24 00:29:56,713 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:29:56,713 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 232 transitions.
[2024-11-24 00:29:56,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25)
[2024-11-24 00:29:56,714 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 232 transitions.
[2024-11-24 00:29:56,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186
[2024-11-24 00:29:56,717 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:29:56,717 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:29:56,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-24 00:29:56,717 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:29:56,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:29:56,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1128868307, now seen corresponding path program 1 times
[2024-11-24 00:29:56,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:29:56,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703479119]
[2024-11-24 00:29:56,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:29:56,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:30:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:30:04,085 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked.
[2024-11-24 00:30:04,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:30:04,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703479119]
[2024-11-24 00:30:04,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703479119] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:30:04,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:30:04,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-24 00:30:04,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518019086]
[2024-11-24 00:30:04,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:30:04,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-24 00:30:04,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:30:04,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-24 00:30:04,087 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-11-24 00:30:04,089 INFO L87 Difference]: Start difference. First operand 191 states and 232 transitions. Second operand has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 7 states have internal predecessors, (85), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27)
[2024-11-24 00:30:08,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-24 00:30:12,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-24 00:30:14,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:30:14,274 INFO L93 Difference]: Finished difference Result 237 states and 289 transitions.
[2024-11-24 00:30:14,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-24 00:30:14,275 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 7 states have internal predecessors, (85), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 185
[2024-11-24 00:30:14,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:30:14,277 INFO L225 Difference]: With dead ends: 237
[2024-11-24 00:30:14,277 INFO L226 Difference]: Without dead ends: 192
[2024-11-24 00:30:14,277 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-11-24 00:30:14,278 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 3 mSDsluCounter, 1034 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1249 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time
[2024-11-24 00:30:14,278 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1249 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 2 Unknown, 0 Unchecked, 10.2s Time]
[2024-11-24 00:30:14,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states.
[2024-11-24 00:30:14,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 191.
[2024-11-24 00:30:14,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 136 states have (on average 1.1838235294117647) internal successors, (161), 138 states have internal predecessors, (161), 35 states have call successors, (35), 18 states have call predecessors, (35), 19 states have return successors, (35), 34 states have call predecessors, (35), 34 states have call successors, (35)
[2024-11-24 00:30:14,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 231 transitions.
[2024-11-24 00:30:14,290 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 231 transitions. Word has length 185
[2024-11-24 00:30:14,291 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:30:14,291 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 231 transitions.
[2024-11-24 00:30:14,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 7 states have internal predecessors, (85), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27)
[2024-11-24 00:30:14,292 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 231 transitions.
[2024-11-24 00:30:14,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193
[2024-11-24 00:30:14,295 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:30:14,295 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:30:14,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-11-24 00:30:14,295 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:30:14,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:30:14,296 INFO L85 PathProgramCache]: Analyzing trace with hash -821047252, now seen corresponding path program 1 times
[2024-11-24 00:30:14,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:30:14,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382428783]
[2024-11-24 00:30:14,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:30:14,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:30:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:30:20,772 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked.
[2024-11-24 00:30:20,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:30:20,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382428783]
[2024-11-24 00:30:20,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382428783] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:30:20,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:30:20,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 00:30:20,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814482550]
[2024-11-24 00:30:20,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:30:20,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 00:30:20,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:30:20,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 00:30:20,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 00:30:20,774 INFO L87 Difference]: Start difference. First operand 191 states and 231 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-24 00:30:21,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:30:21,663 INFO L93 Difference]: Finished difference Result 337 states and 397 transitions.
[2024-11-24 00:30:21,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 00:30:21,664 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 192
[2024-11-24 00:30:21,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:30:21,666 INFO L225 Difference]: With dead ends: 337
[2024-11-24 00:30:21,666 INFO L226 Difference]: Without dead ends: 194
[2024-11-24 00:30:21,667 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
[2024-11-24 00:30:21,670 INFO L435 NwaCegarLoop]: 217 mSDtfsCounter, 1 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-24 00:30:21,670 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 610 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-24 00:30:21,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states.
[2024-11-24 00:30:21,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194.
[2024-11-24 00:30:21,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 139 states have (on average 1.1798561151079137) internal successors, (164), 141 states have internal predecessors, (164), 35 states have call successors, (35), 18 states have call predecessors, (35), 19 states have return successors, (35), 34 states have call predecessors, (35), 34 states have call successors, (35)
[2024-11-24 00:30:21,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 234 transitions.
[2024-11-24 00:30:21,688 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 234 transitions. Word has length 192
[2024-11-24 00:30:21,689 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:30:21,689 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 234 transitions.
[2024-11-24 00:30:21,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-24 00:30:21,689 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 234 transitions.
[2024-11-24 00:30:21,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193
[2024-11-24 00:30:21,692 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:30:21,693 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:30:21,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-11-24 00:30:21,693 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:30:21,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:30:21,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1075932206, now seen corresponding path program 1 times
[2024-11-24 00:30:21,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:30:21,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292033383]
[2024-11-24 00:30:21,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:30:21,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:30:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:30:30,797 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked.
[2024-11-24 00:30:30,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:30:30,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292033383]
[2024-11-24 00:30:30,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292033383] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:30:30,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:30:30,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 00:30:30,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730286522]
[2024-11-24 00:30:30,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:30:30,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 00:30:30,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:30:30,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 00:30:30,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 00:30:30,801 INFO L87 Difference]: Start difference. First operand 194 states and 234 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-24 00:30:31,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:30:31,698 INFO L93 Difference]: Finished difference Result 333 states and 389 transitions.
[2024-11-24 00:30:31,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 00:30:31,699 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 192
[2024-11-24 00:30:31,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:30:31,701 INFO L225 Difference]: With dead ends: 333
[2024-11-24 00:30:31,701 INFO L226 Difference]: Without dead ends: 194
[2024-11-24 00:30:31,702 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 00:30:31,702 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 1 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-24 00:30:31,703 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 594 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-24 00:30:31,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states.
[2024-11-24 00:30:31,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194.
[2024-11-24 00:30:31,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 139 states have (on average 1.1726618705035972) internal successors, (163), 141 states have internal predecessors, (163), 35 states have call successors, (35), 18 states have call predecessors, (35), 19 states have return successors, (35), 34 states have call predecessors, (35), 34 states have call successors, (35)
[2024-11-24 00:30:31,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 233 transitions.
[2024-11-24 00:30:31,716 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 233 transitions. Word has length 192
[2024-11-24 00:30:31,717 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:30:31,717 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 233 transitions.
[2024-11-24 00:30:31,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-24 00:30:31,717 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 233 transitions.
[2024-11-24 00:30:31,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198
[2024-11-24 00:30:31,720 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:30:31,720 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:30:31,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-11-24 00:30:31,720 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:30:31,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:30:31,721 INFO L85 PathProgramCache]: Analyzing trace with hash 109488580, now seen corresponding path program 1 times
[2024-11-24 00:30:31,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:30:31,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189385784]
[2024-11-24 00:30:31,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:30:31,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:30:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:30:37,214 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked.
[2024-11-24 00:30:37,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:30:37,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189385784]
[2024-11-24 00:30:37,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189385784] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:30:37,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:30:37,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 00:30:37,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523657581]
[2024-11-24 00:30:37,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:30:37,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 00:30:37,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:30:37,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 00:30:37,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 00:30:37,216 INFO L87 Difference]: Start difference. First operand 194 states and 233 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29)
[2024-11-24 00:30:37,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:30:37,329 INFO L93 Difference]: Finished difference Result 329 states and 383 transitions.
[2024-11-24 00:30:37,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 00:30:37,330 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 197
[2024-11-24 00:30:37,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:30:37,332 INFO L225 Difference]: With dead ends: 329
[2024-11-24 00:30:37,332 INFO L226 Difference]: Without dead ends: 194
[2024-11-24 00:30:37,333 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
[2024-11-24 00:30:37,334 INFO L435 NwaCegarLoop]: 218 mSDtfsCounter, 0 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 00:30:37,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 649 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 00:30:37,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states.
[2024-11-24 00:30:37,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 192.
[2024-11-24 00:30:37,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 137 states have (on average 1.167883211678832) internal successors, (160), 139 states have internal predecessors, (160), 35 states have call successors, (35), 18 states have call predecessors, (35), 19 states have return successors, (35), 34 states have call predecessors, (35), 34 states have call successors, (35)
[2024-11-24 00:30:37,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 230 transitions.
[2024-11-24 00:30:37,345 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 230 transitions. Word has length 197
[2024-11-24 00:30:37,346 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:30:37,346 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 230 transitions.
[2024-11-24 00:30:37,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29)
[2024-11-24 00:30:37,346 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 230 transitions.
[2024-11-24 00:30:37,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2024-11-24 00:30:37,348 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:30:37,348 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:30:37,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-11-24 00:30:37,349 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:30:37,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:30:37,349 INFO L85 PathProgramCache]: Analyzing trace with hash 495167305, now seen corresponding path program 1 times
[2024-11-24 00:30:37,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:30:37,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780553403]
[2024-11-24 00:30:37,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:30:37,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:30:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:30:43,516 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked.
[2024-11-24 00:30:43,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:30:43,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780553403]
[2024-11-24 00:30:43,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780553403] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:30:43,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:30:43,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-24 00:30:43,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852872209]
[2024-11-24 00:30:43,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:30:43,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 00:30:43,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:30:43,518 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 00:30:43,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:30:43,519 INFO L87 Difference]: Start difference. First operand 192 states and 230 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 5 states have internal predecessors, (95), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29)
[2024-11-24 00:30:43,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:30:43,692 INFO L93 Difference]: Finished difference Result 331 states and 385 transitions.
[2024-11-24 00:30:43,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 00:30:43,694 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 5 states have internal predecessors, (95), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 199
[2024-11-24 00:30:43,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:30:43,696 INFO L225 Difference]: With dead ends: 331
[2024-11-24 00:30:43,696 INFO L226 Difference]: Without dead ends: 190
[2024-11-24 00:30:43,697 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
[2024-11-24 00:30:43,698 INFO L435 NwaCegarLoop]: 216 mSDtfsCounter, 0 mSDsluCounter, 857 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1073 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-24 00:30:43,698 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1073 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-24 00:30:43,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states.
[2024-11-24 00:30:43,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 187.
[2024-11-24 00:30:43,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 133 states have (on average 1.1654135338345866) internal successors, (155), 135 states have internal predecessors, (155), 34 states have call successors, (34), 18 states have call predecessors, (34), 19 states have return successors, (34), 33 states have call predecessors, (34), 33 states have call successors, (34)
[2024-11-24 00:30:43,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 223 transitions.
[2024-11-24 00:30:43,709 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 223 transitions. Word has length 199
[2024-11-24 00:30:43,709 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:30:43,709 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 223 transitions.
[2024-11-24 00:30:43,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 5 states have internal predecessors, (95), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29)
[2024-11-24 00:30:43,710 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 223 transitions.
[2024-11-24 00:30:43,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206
[2024-11-24 00:30:43,711 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:30:43,712 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:30:43,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-11-24 00:30:43,712 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:30:43,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:30:43,713 INFO L85 PathProgramCache]: Analyzing trace with hash -9410609, now seen corresponding path program 1 times
[2024-11-24 00:30:43,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:30:43,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154044866]
[2024-11-24 00:30:43,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:30:43,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:30:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:31:02,687 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked.
[2024-11-24 00:31:02,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:31:02,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154044866]
[2024-11-24 00:31:02,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154044866] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:31:02,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:31:02,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13
[2024-11-24 00:31:02,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358659763]
[2024-11-24 00:31:02,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:31:02,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-11-24 00:31:02,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:31:02,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-11-24 00:31:02,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156
[2024-11-24 00:31:02,690 INFO L87 Difference]: Start difference. First operand 187 states and 223 transitions. Second operand has 13 states, 11 states have (on average 9.363636363636363) internal successors, (103), 9 states have internal predecessors, (103), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (28), 4 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-24 00:31:06,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-24 00:31:11,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-24 00:31:13,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:31:13,698 INFO L93 Difference]: Finished difference Result 209 states and 247 transitions.
[2024-11-24 00:31:13,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2024-11-24 00:31:13,699 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 9.363636363636363) internal successors, (103), 9 states have internal predecessors, (103), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (28), 4 states have call predecessors, (28), 2 states have call successors, (28) Word has length 205
[2024-11-24 00:31:13,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:31:13,701 INFO L225 Difference]: With dead ends: 209
[2024-11-24 00:31:13,701 INFO L226 Difference]: Without dead ends: 207
[2024-11-24 00:31:13,701 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182
[2024-11-24 00:31:13,701 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 3 mSDsluCounter, 1816 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2021 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time
[2024-11-24 00:31:13,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2021 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 2 Unknown, 0 Unchecked, 10.8s Time]
[2024-11-24 00:31:13,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states.
[2024-11-24 00:31:13,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 202.
[2024-11-24 00:31:13,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 143 states have (on average 1.1538461538461537) internal successors, (165), 146 states have internal predecessors, (165), 35 states have call successors, (35), 19 states have call predecessors, (35), 23 states have return successors, (40), 36 states have call predecessors, (40), 34 states have call successors, (40)
[2024-11-24 00:31:13,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 240 transitions.
[2024-11-24 00:31:13,714 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 240 transitions. Word has length 205
[2024-11-24 00:31:13,714 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:31:13,714 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 240 transitions.
[2024-11-24 00:31:13,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 9.363636363636363) internal successors, (103), 9 states have internal predecessors, (103), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (28), 4 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-24 00:31:13,715 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 240 transitions.
[2024-11-24 00:31:13,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208
[2024-11-24 00:31:13,717 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:31:13,717 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:31:13,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-11-24 00:31:13,717 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:31:13,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:31:13,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1174425770, now seen corresponding path program 1 times
[2024-11-24 00:31:13,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:31:13,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684598314]
[2024-11-24 00:31:13,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:31:13,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:31:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:31:23,650 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked.
[2024-11-24 00:31:23,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:31:23,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684598314]
[2024-11-24 00:31:23,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684598314] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:31:23,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:31:23,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 00:31:23,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928126302]
[2024-11-24 00:31:23,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:31:23,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 00:31:23,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:31:23,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 00:31:23,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-24 00:31:23,653 INFO L87 Difference]: Start difference. First operand 202 states and 240 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-24 00:31:24,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:31:24,419 INFO L93 Difference]: Finished difference Result 383 states and 451 transitions.
[2024-11-24 00:31:24,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-24 00:31:24,420 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 207
[2024-11-24 00:31:24,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:31:24,423 INFO L225 Difference]: With dead ends: 383
[2024-11-24 00:31:24,423 INFO L226 Difference]: Without dead ends: 208
[2024-11-24 00:31:24,424 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-24 00:31:24,425 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 2 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-24 00:31:24,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 586 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-24 00:31:24,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states.
[2024-11-24 00:31:24,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 206.
[2024-11-24 00:31:24,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 147 states have (on average 1.1496598639455782) internal successors, (169), 150 states have internal predecessors, (169), 35 states have call successors, (35), 19 states have call predecessors, (35), 23 states have return successors, (40), 36 states have call predecessors, (40), 34 states have call successors, (40)
[2024-11-24 00:31:24,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 244 transitions.
[2024-11-24 00:31:24,439 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 244 transitions. Word has length 207
[2024-11-24 00:31:24,439 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:31:24,439 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 244 transitions.
[2024-11-24 00:31:24,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-24 00:31:24,440 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 244 transitions.
[2024-11-24 00:31:24,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208
[2024-11-24 00:31:24,441 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:31:24,441 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:31:24,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-11-24 00:31:24,442 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:31:24,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:31:24,442 INFO L85 PathProgramCache]: Analyzing trace with hash 388427880, now seen corresponding path program 1 times
[2024-11-24 00:31:24,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:31:24,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181219326]
[2024-11-24 00:31:24,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:31:24,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:31:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:31:36,673 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked.
[2024-11-24 00:31:36,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:31:36,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181219326]
[2024-11-24 00:31:36,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181219326] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:31:36,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:31:36,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 00:31:36,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226999428]
[2024-11-24 00:31:36,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:31:36,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 00:31:36,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:31:36,675 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 00:31:36,675 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-24 00:31:36,676 INFO L87 Difference]: Start difference. First operand 206 states and 244 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-24 00:31:38,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:31:38,063 INFO L93 Difference]: Finished difference Result 381 states and 447 transitions.
[2024-11-24 00:31:38,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-24 00:31:38,064 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 207
[2024-11-24 00:31:38,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:31:38,066 INFO L225 Difference]: With dead ends: 381
[2024-11-24 00:31:38,067 INFO L226 Difference]: Without dead ends: 206
[2024-11-24 00:31:38,067 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-24 00:31:38,068 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 1 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-11-24 00:31:38,069 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 729 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-11-24 00:31:38,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states.
[2024-11-24 00:31:38,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 202.
[2024-11-24 00:31:38,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 143 states have (on average 1.1468531468531469) internal successors, (164), 146 states have internal predecessors, (164), 35 states have call successors, (35), 19 states have call predecessors, (35), 23 states have return successors, (40), 36 states have call predecessors, (40), 34 states have call successors, (40)
[2024-11-24 00:31:38,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 239 transitions.
[2024-11-24 00:31:38,082 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 239 transitions. Word has length 207
[2024-11-24 00:31:38,083 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:31:38,083 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 239 transitions.
[2024-11-24 00:31:38,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-24 00:31:38,083 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 239 transitions.
[2024-11-24 00:31:38,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209
[2024-11-24 00:31:38,084 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:31:38,085 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:31:38,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-11-24 00:31:38,085 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:31:38,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:31:38,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1374613221, now seen corresponding path program 1 times
[2024-11-24 00:31:38,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:31:38,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565858945]
[2024-11-24 00:31:38,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:31:38,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:31:44,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:31:47,072 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked.
[2024-11-24 00:31:47,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:31:47,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565858945]
[2024-11-24 00:31:47,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565858945] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:31:47,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:31:47,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-24 00:31:47,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334361551]
[2024-11-24 00:31:47,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:31:47,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-24 00:31:47,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:31:47,075 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-24 00:31:47,075 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-11-24 00:31:47,075 INFO L87 Difference]: Start difference. First operand 202 states and 239 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-24 00:31:49,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:31:49,144 INFO L93 Difference]: Finished difference Result 386 states and 454 transitions.
[2024-11-24 00:31:49,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 00:31:49,144 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 208
[2024-11-24 00:31:49,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:31:49,147 INFO L225 Difference]: With dead ends: 386
[2024-11-24 00:31:49,147 INFO L226 Difference]: Without dead ends: 210
[2024-11-24 00:31:49,148 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-11-24 00:31:49,150 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 1 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1135 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-11-24 00:31:49,150 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1135 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-11-24 00:31:49,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states.
[2024-11-24 00:31:49,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210.
[2024-11-24 00:31:49,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 151 states have (on average 1.1390728476821192) internal successors, (172), 154 states have internal predecessors, (172), 35 states have call successors, (35), 19 states have call predecessors, (35), 23 states have return successors, (40), 36 states have call predecessors, (40), 34 states have call successors, (40)
[2024-11-24 00:31:49,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 247 transitions.
[2024-11-24 00:31:49,163 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 247 transitions. Word has length 208
[2024-11-24 00:31:49,164 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:31:49,164 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 247 transitions.
[2024-11-24 00:31:49,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-24 00:31:49,164 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 247 transitions.
[2024-11-24 00:31:49,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209
[2024-11-24 00:31:49,166 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:31:49,166 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:31:49,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-11-24 00:31:49,167 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:31:49,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:31:49,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1516484889, now seen corresponding path program 1 times
[2024-11-24 00:31:49,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:31:49,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156810690]
[2024-11-24 00:31:49,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:31:49,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:31:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:32:07,300 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked.
[2024-11-24 00:32:07,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:32:07,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156810690]
[2024-11-24 00:32:07,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156810690] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:32:07,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:32:07,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2024-11-24 00:32:07,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198232309]
[2024-11-24 00:32:07,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:32:07,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-24 00:32:07,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:32:07,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-24 00:32:07,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182
[2024-11-24 00:32:07,303 INFO L87 Difference]: Start difference. First operand 210 states and 247 transitions. Second operand has 14 states, 12 states have (on average 8.833333333333334) internal successors, (106), 10 states have internal predecessors, (106), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (28), 4 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-24 00:32:11,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-24 00:32:15,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-24 00:32:19,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:32:19,972 INFO L93 Difference]: Finished difference Result 233 states and 272 transitions.
[2024-11-24 00:32:19,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2024-11-24 00:32:19,973 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 8.833333333333334) internal successors, (106), 10 states have internal predecessors, (106), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (28), 4 states have call predecessors, (28), 2 states have call successors, (28) Word has length 208
[2024-11-24 00:32:19,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:32:19,975 INFO L225 Difference]: With dead ends: 233
[2024-11-24 00:32:19,975 INFO L226 Difference]: Without dead ends: 231
[2024-11-24 00:32:19,975 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240
[2024-11-24 00:32:19,976 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 8 mSDsluCounter, 2266 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2478 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time
[2024-11-24 00:32:19,976 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2478 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 222 Invalid, 2 Unknown, 0 Unchecked, 12.1s Time]
[2024-11-24 00:32:19,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states.
[2024-11-24 00:32:19,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 211.
[2024-11-24 00:32:19,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 152 states have (on average 1.138157894736842) internal successors, (173), 155 states have internal predecessors, (173), 35 states have call successors, (35), 19 states have call predecessors, (35), 23 states have return successors, (40), 36 states have call predecessors, (40), 34 states have call successors, (40)
[2024-11-24 00:32:19,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 248 transitions.
[2024-11-24 00:32:19,990 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 248 transitions. Word has length 208
[2024-11-24 00:32:19,990 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:32:19,990 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 248 transitions.
[2024-11-24 00:32:19,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 8.833333333333334) internal successors, (106), 10 states have internal predecessors, (106), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (28), 4 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-24 00:32:19,991 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 248 transitions.
[2024-11-24 00:32:19,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211
[2024-11-24 00:32:19,993 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:32:19,993 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:32:19,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-11-24 00:32:19,993 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:32:19,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:32:19,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1851385092, now seen corresponding path program 1 times
[2024-11-24 00:32:19,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:32:19,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983605535]
[2024-11-24 00:32:19,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:32:19,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:32:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:32:30,434 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked.
[2024-11-24 00:32:30,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:32:30,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983605535]
[2024-11-24 00:32:30,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983605535] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:32:30,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:32:30,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 00:32:30,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002118243]
[2024-11-24 00:32:30,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:32:30,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 00:32:30,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:32:30,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 00:32:30,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 00:32:30,437 INFO L87 Difference]: Start difference. First operand 211 states and 248 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-24 00:32:31,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:32:31,307 INFO L93 Difference]: Finished difference Result 383 states and 446 transitions.
[2024-11-24 00:32:31,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 00:32:31,308 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 210
[2024-11-24 00:32:31,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:32:31,310 INFO L225 Difference]: With dead ends: 383
[2024-11-24 00:32:31,311 INFO L226 Difference]: Without dead ends: 211
[2024-11-24 00:32:31,311 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 00:32:31,312 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 7 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-24 00:32:31,312 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 555 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-24 00:32:31,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states.
[2024-11-24 00:32:31,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211.
[2024-11-24 00:32:31,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 152 states have (on average 1.131578947368421) internal successors, (172), 155 states have internal predecessors, (172), 35 states have call successors, (35), 19 states have call predecessors, (35), 23 states have return successors, (40), 36 states have call predecessors, (40), 34 states have call successors, (40)
[2024-11-24 00:32:31,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 247 transitions.
[2024-11-24 00:32:31,325 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 247 transitions. Word has length 210
[2024-11-24 00:32:31,325 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:32:31,326 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 247 transitions.
[2024-11-24 00:32:31,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-24 00:32:31,326 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 247 transitions.
[2024-11-24 00:32:31,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212
[2024-11-24 00:32:31,328 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:32:31,328 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:32:31,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2024-11-24 00:32:31,328 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:32:31,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:32:31,329 INFO L85 PathProgramCache]: Analyzing trace with hash 881577568, now seen corresponding path program 1 times
[2024-11-24 00:32:31,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:32:31,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260359958]
[2024-11-24 00:32:31,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:32:31,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:32:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:32:42,266 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked.
[2024-11-24 00:32:42,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:32:42,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260359958]
[2024-11-24 00:32:42,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260359958] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:32:42,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:32:42,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-11-24 00:32:42,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315462905]
[2024-11-24 00:32:42,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:32:42,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-24 00:32:42,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:32:42,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-24 00:32:42,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2024-11-24 00:32:42,268 INFO L87 Difference]: Start difference. First operand 211 states and 247 transitions. Second operand has 8 states, 8 states have (on average 13.625) internal successors, (109), 8 states have internal predecessors, (109), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-24 00:32:43,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:32:43,900 INFO L93 Difference]: Finished difference Result 383 states and 445 transitions.
[2024-11-24 00:32:43,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-24 00:32:43,901 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 8 states have internal predecessors, (109), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 211
[2024-11-24 00:32:43,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:32:43,904 INFO L225 Difference]: With dead ends: 383
[2024-11-24 00:32:43,904 INFO L226 Difference]: Without dead ends: 214
[2024-11-24 00:32:43,905 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2024-11-24 00:32:43,906 INFO L435 NwaCegarLoop]: 201 mSDtfsCounter, 2 mSDsluCounter, 946 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1147 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2024-11-24 00:32:43,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1147 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2024-11-24 00:32:43,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states.
[2024-11-24 00:32:43,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214.
[2024-11-24 00:32:43,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 155 states have (on average 1.1290322580645162) internal successors, (175), 158 states have internal predecessors, (175), 35 states have call successors, (35), 19 states have call predecessors, (35), 23 states have return successors, (40), 36 states have call predecessors, (40), 34 states have call successors, (40)
[2024-11-24 00:32:43,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 250 transitions.
[2024-11-24 00:32:43,922 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 250 transitions. Word has length 211
[2024-11-24 00:32:43,922 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:32:43,922 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 250 transitions.
[2024-11-24 00:32:43,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 8 states have internal predecessors, (109), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-24 00:32:43,926 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 250 transitions.
[2024-11-24 00:32:43,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212
[2024-11-24 00:32:43,928 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:32:43,928 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:32:43,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2024-11-24 00:32:43,928 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:32:43,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:32:43,928 INFO L85 PathProgramCache]: Analyzing trace with hash -843030754, now seen corresponding path program 1 times
[2024-11-24 00:32:43,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:32:43,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767184093]
[2024-11-24 00:32:43,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:32:43,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:32:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:32:55,459 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked.
[2024-11-24 00:32:55,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:32:55,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767184093]
[2024-11-24 00:32:55,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767184093] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:32:55,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:32:55,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 00:32:55,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502287017]
[2024-11-24 00:32:55,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:32:55,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 00:32:55,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:32:55,461 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 00:32:55,461 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 00:32:55,462 INFO L87 Difference]: Start difference. First operand 214 states and 250 transitions. Second operand has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-24 00:32:56,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:32:56,634 INFO L93 Difference]: Finished difference Result 382 states and 442 transitions.
[2024-11-24 00:32:56,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-24 00:32:56,635 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 211
[2024-11-24 00:32:56,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:32:56,637 INFO L225 Difference]: With dead ends: 382
[2024-11-24 00:32:56,637 INFO L226 Difference]: Without dead ends: 214
[2024-11-24 00:32:56,638 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 00:32:56,639 INFO L435 NwaCegarLoop]: 188 mSDtfsCounter, 7 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-24 00:32:56,639 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 735 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-24 00:32:56,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states.
[2024-11-24 00:32:56,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214.
[2024-11-24 00:32:56,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 155 states have (on average 1.1225806451612903) internal successors, (174), 158 states have internal predecessors, (174), 35 states have call successors, (35), 19 states have call predecessors, (35), 23 states have return successors, (40), 36 states have call predecessors, (40), 34 states have call successors, (40)
[2024-11-24 00:32:56,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 249 transitions.
[2024-11-24 00:32:56,651 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 249 transitions. Word has length 211
[2024-11-24 00:32:56,652 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:32:56,652 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 249 transitions.
[2024-11-24 00:32:56,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-24 00:32:56,652 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 249 transitions.
[2024-11-24 00:32:56,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213
[2024-11-24 00:32:56,654 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:32:56,654 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:32:56,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2024-11-24 00:32:56,655 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:32:56,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:32:56,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1755865211, now seen corresponding path program 1 times
[2024-11-24 00:32:56,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:32:56,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430951037]
[2024-11-24 00:32:56,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:32:56,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:33:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:33:09,224 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked.
[2024-11-24 00:33:09,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:33:09,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430951037]
[2024-11-24 00:33:09,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430951037] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:33:09,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:33:09,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-24 00:33:09,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111387491]
[2024-11-24 00:33:09,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:33:09,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-24 00:33:09,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:33:09,226 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-24 00:33:09,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2024-11-24 00:33:09,227 INFO L87 Difference]: Start difference. First operand 214 states and 249 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-24 00:33:10,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:33:10,952 INFO L93 Difference]: Finished difference Result 382 states and 441 transitions.
[2024-11-24 00:33:10,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-24 00:33:10,953 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 212
[2024-11-24 00:33:10,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:33:10,955 INFO L225 Difference]: With dead ends: 382
[2024-11-24 00:33:10,956 INFO L226 Difference]: Without dead ends: 217
[2024-11-24 00:33:10,956 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2024-11-24 00:33:10,957 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 2 mSDsluCounter, 954 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1151 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2024-11-24 00:33:10,958 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1151 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2024-11-24 00:33:10,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states.
[2024-11-24 00:33:10,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217.
[2024-11-24 00:33:10,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 158 states have (on average 1.120253164556962) internal successors, (177), 161 states have internal predecessors, (177), 35 states have call successors, (35), 19 states have call predecessors, (35), 23 states have return successors, (40), 36 states have call predecessors, (40), 34 states have call successors, (40)
[2024-11-24 00:33:10,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 252 transitions.
[2024-11-24 00:33:10,970 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 252 transitions. Word has length 212
[2024-11-24 00:33:10,971 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:33:10,971 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 252 transitions.
[2024-11-24 00:33:10,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-24 00:33:10,971 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 252 transitions.
[2024-11-24 00:33:10,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213
[2024-11-24 00:33:10,973 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:33:10,973 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:33:10,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2024-11-24 00:33:10,974 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:33:10,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:33:10,974 INFO L85 PathProgramCache]: Analyzing trace with hash -167385219, now seen corresponding path program 1 times
[2024-11-24 00:33:10,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:33:10,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112231755]
[2024-11-24 00:33:10,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:33:10,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:33:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:33:24,784 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked.
[2024-11-24 00:33:24,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:33:24,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112231755]
[2024-11-24 00:33:24,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112231755] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:33:24,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:33:24,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-24 00:33:24,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633426163]
[2024-11-24 00:33:24,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:33:24,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 00:33:24,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:33:24,786 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 00:33:24,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:33:24,787 INFO L87 Difference]: Start difference. First operand 217 states and 252 transitions. Second operand has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 6 states have internal predecessors, (110), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-24 00:33:26,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:33:26,379 INFO L93 Difference]: Finished difference Result 381 states and 438 transitions.
[2024-11-24 00:33:26,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 00:33:26,380 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 6 states have internal predecessors, (110), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 212
[2024-11-24 00:33:26,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:33:26,383 INFO L225 Difference]: With dead ends: 381
[2024-11-24 00:33:26,384 INFO L226 Difference]: Without dead ends: 217
[2024-11-24 00:33:26,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:33:26,385 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 7 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2024-11-24 00:33:26,386 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 909 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2024-11-24 00:33:26,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states.
[2024-11-24 00:33:26,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217.
[2024-11-24 00:33:26,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 158 states have (on average 1.1139240506329113) internal successors, (176), 161 states have internal predecessors, (176), 35 states have call successors, (35), 19 states have call predecessors, (35), 23 states have return successors, (40), 36 states have call predecessors, (40), 34 states have call successors, (40)
[2024-11-24 00:33:26,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 251 transitions.
[2024-11-24 00:33:26,402 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 251 transitions. Word has length 212
[2024-11-24 00:33:26,403 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:33:26,403 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 251 transitions.
[2024-11-24 00:33:26,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 6 states have internal predecessors, (110), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-24 00:33:26,404 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 251 transitions.
[2024-11-24 00:33:26,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214
[2024-11-24 00:33:26,406 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:33:26,407 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:33:26,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2024-11-24 00:33:26,407 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:33:26,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:33:26,408 INFO L85 PathProgramCache]: Analyzing trace with hash 258165561, now seen corresponding path program 1 times
[2024-11-24 00:33:26,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:33:26,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262716553]
[2024-11-24 00:33:26,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:33:26,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:33:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:33:39,770 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked.
[2024-11-24 00:33:39,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:33:39,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262716553]
[2024-11-24 00:33:39,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262716553] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:33:39,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:33:39,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2024-11-24 00:33:39,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994107246]
[2024-11-24 00:33:39,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:33:39,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-24 00:33:39,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:33:39,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-24 00:33:39,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110
[2024-11-24 00:33:39,773 INFO L87 Difference]: Start difference. First operand 217 states and 251 transitions. Second operand has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 11 states have internal predecessors, (111), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-24 00:33:44,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:33:44,246 INFO L93 Difference]: Finished difference Result 383 states and 440 transitions.
[2024-11-24 00:33:44,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2024-11-24 00:33:44,247 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 11 states have internal predecessors, (111), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 213
[2024-11-24 00:33:44,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:33:44,249 INFO L225 Difference]: With dead ends: 383
[2024-11-24 00:33:44,249 INFO L226 Difference]: Without dead ends: 222
[2024-11-24 00:33:44,250 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110
[2024-11-24 00:33:44,251 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 7 mSDsluCounter, 1595 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1775 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time
[2024-11-24 00:33:44,251 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1775 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time]
[2024-11-24 00:33:44,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states.
[2024-11-24 00:33:44,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222.
[2024-11-24 00:33:44,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 163 states have (on average 1.1104294478527608) internal successors, (181), 166 states have internal predecessors, (181), 35 states have call successors, (35), 19 states have call predecessors, (35), 23 states have return successors, (40), 36 states have call predecessors, (40), 34 states have call successors, (40)
[2024-11-24 00:33:44,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 256 transitions.
[2024-11-24 00:33:44,264 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 256 transitions. Word has length 213
[2024-11-24 00:33:44,264 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:33:44,265 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 256 transitions.
[2024-11-24 00:33:44,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 11 states have internal predecessors, (111), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-24 00:33:44,265 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 256 transitions.
[2024-11-24 00:33:44,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214
[2024-11-24 00:33:44,267 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:33:44,267 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:33:44,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2024-11-24 00:33:44,267 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:33:44,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:33:44,268 INFO L85 PathProgramCache]: Analyzing trace with hash 766944375, now seen corresponding path program 1 times
[2024-11-24 00:33:44,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:33:44,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683017845]
[2024-11-24 00:33:44,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:33:44,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:33:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:33:58,422 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked.
[2024-11-24 00:33:58,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:33:58,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683017845]
[2024-11-24 00:33:58,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683017845] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:33:58,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:33:58,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-11-24 00:33:58,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80459222]
[2024-11-24 00:33:58,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:33:58,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-24 00:33:58,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:33:58,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-24 00:33:58,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2024-11-24 00:33:58,424 INFO L87 Difference]: Start difference. First operand 222 states and 256 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 8 states have internal predecessors, (111), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-24 00:34:00,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:34:00,997 INFO L93 Difference]: Finished difference Result 382 states and 436 transitions.
[2024-11-24 00:34:00,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-24 00:34:00,997 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 8 states have internal predecessors, (111), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 213
[2024-11-24 00:34:00,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:34:01,000 INFO L225 Difference]: With dead ends: 382
[2024-11-24 00:34:01,000 INFO L226 Difference]: Without dead ends: 222
[2024-11-24 00:34:01,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2024-11-24 00:34:01,002 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 8 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1239 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time
[2024-11-24 00:34:01,003 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1239 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time]
[2024-11-24 00:34:01,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states.
[2024-11-24 00:34:01,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 220.
[2024-11-24 00:34:01,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 161 states have (on average 1.0993788819875776) internal successors, (177), 164 states have internal predecessors, (177), 35 states have call successors, (35), 19 states have call predecessors, (35), 23 states have return successors, (40), 36 states have call predecessors, (40), 34 states have call successors, (40)
[2024-11-24 00:34:01,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 252 transitions.
[2024-11-24 00:34:01,015 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 252 transitions. Word has length 213
[2024-11-24 00:34:01,016 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:34:01,016 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 252 transitions.
[2024-11-24 00:34:01,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 8 states have internal predecessors, (111), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-24 00:34:01,016 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 252 transitions.
[2024-11-24 00:34:01,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216
[2024-11-24 00:34:01,018 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:34:01,018 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:34:01,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29
[2024-11-24 00:34:01,019 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:34:01,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:34:01,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1457537170, now seen corresponding path program 1 times
[2024-11-24 00:34:01,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:34:01,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314828326]
[2024-11-24 00:34:01,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:34:01,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:34:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-24 00:34:22,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [902697590]
[2024-11-24 00:34:22,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:34:22,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:34:22,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da83a23d-77eb-40b0-b2ec-026a2c964019/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:34:22,417 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da83a23d-77eb-40b0-b2ec-026a2c964019/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:34:22,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da83a23d-77eb-40b0-b2ec-026a2c964019/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process