./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_init_bounded_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97ca2f-c1d0-44f9-8806-e61e3a58fc43/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97ca2f-c1d0-44f9-8806-e61e3a58fc43/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97ca2f-c1d0-44f9-8806-e61e3a58fc43/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97ca2f-c1d0-44f9-8806-e61e3a58fc43/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_init_bounded_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97ca2f-c1d0-44f9-8806-e61e3a58fc43/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97ca2f-c1d0-44f9-8806-e61e3a58fc43/bin/uautomizer-verify-qhAvR1uOyd --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 658cf0e5cfa8ff565239cc21b84be4a008587cc5aba3b9c9a0b23efea938ab87 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:30:11,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:30:11,774 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97ca2f-c1d0-44f9-8806-e61e3a58fc43/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-13 15:30:11,784 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:30:11,785 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:30:11,824 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:30:11,826 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:30:11,826 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:30:11,827 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:30:11,827 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:30:11,829 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:30:11,829 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:30:11,829 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:30:11,829 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:30:11,830 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:30:11,830 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:30:11,830 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:30:11,830 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:30:11,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:30:11,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:30:11,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:30:11,830 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:30:11,830 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:30:11,830 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:30:11,831 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:30:11,831 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:30:11,831 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:30:11,831 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:30:11,831 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:30:11,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:30:11,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:30:11,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:30:11,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:30:11,833 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:30:11,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:30:11,834 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:30:11,834 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:30:11,834 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:30:11,834 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:30:11,834 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_5e97ca2f-c1d0-44f9-8806-e61e3a58fc43/bin/uautomizer-verify-qhAvR1uOyd 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 -> 658cf0e5cfa8ff565239cc21b84be4a008587cc5aba3b9c9a0b23efea938ab87 [2024-11-13 15:30:12,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:30:12,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:30:12,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:30:12,237 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:30:12,237 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:30:12,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97ca2f-c1d0-44f9-8806-e61e3a58fc43/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/aws-c-common/aws_hash_table_init_bounded_harness.i Unable to find full path for "g++" [2024-11-13 15:30:14,532 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:30:15,233 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:30:15,234 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97ca2f-c1d0-44f9-8806-e61e3a58fc43/sv-benchmarks/c/aws-c-common/aws_hash_table_init_bounded_harness.i [2024-11-13 15:30:15,291 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97ca2f-c1d0-44f9-8806-e61e3a58fc43/bin/uautomizer-verify-qhAvR1uOyd/data/19194e8ba/c428e99a88ca49999e9e4e75922013a0/FLAG527ab7bfe [2024-11-13 15:30:15,320 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97ca2f-c1d0-44f9-8806-e61e3a58fc43/bin/uautomizer-verify-qhAvR1uOyd/data/19194e8ba/c428e99a88ca49999e9e4e75922013a0 [2024-11-13 15:30:15,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:30:15,325 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:30:15,326 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:30:15,326 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:30:15,330 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:30:15,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:30:15" (1/1) ... [2024-11-13 15:30:15,333 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25254f5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:30:15, skipping insertion in model container [2024-11-13 15:30:15,333 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:30:15" (1/1) ... [2024-11-13 15:30:15,447 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:30:15,785 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_5e97ca2f-c1d0-44f9-8806-e61e3a58fc43/sv-benchmarks/c/aws-c-common/aws_hash_table_init_bounded_harness.i[4501,4514] [2024-11-13 15:30:15,794 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_5e97ca2f-c1d0-44f9-8806-e61e3a58fc43/sv-benchmarks/c/aws-c-common/aws_hash_table_init_bounded_harness.i[4561,4574] [2024-11-13 15:30:17,156 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:17,157 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:17,158 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:17,163 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:17,165 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:17,199 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:17,200 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:17,202 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:17,203 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:17,206 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:17,208 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:17,209 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:17,209 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:18,571 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:18,571 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:18,614 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:18,618 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:18,626 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:18,629 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:18,660 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:18,664 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:18,664 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:18,666 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:18,666 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:18,667 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:18,667 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:18,732 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_5e97ca2f-c1d0-44f9-8806-e61e3a58fc43/sv-benchmarks/c/aws-c-common/aws_hash_table_init_bounded_harness.i[227778,227791] [2024-11-13 15:30:18,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:30:18,775 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:30:18,795 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_5e97ca2f-c1d0-44f9-8806-e61e3a58fc43/sv-benchmarks/c/aws-c-common/aws_hash_table_init_bounded_harness.i[4501,4514] [2024-11-13 15:30:18,797 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_5e97ca2f-c1d0-44f9-8806-e61e3a58fc43/sv-benchmarks/c/aws-c-common/aws_hash_table_init_bounded_harness.i[4561,4574] [2024-11-13 15:30:18,907 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:18,907 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:18,907 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:18,908 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:18,909 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:18,916 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:18,916 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:18,917 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:18,918 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:18,919 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:18,919 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:18,920 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:18,920 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:19,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2024-11-13 15:30:19,175 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:19,176 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:19,188 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:19,189 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:19,193 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:19,194 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:19,205 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:19,206 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:19,207 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:19,207 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:19,207 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:19,209 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:19,210 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:30:19,238 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_5e97ca2f-c1d0-44f9-8806-e61e3a58fc43/sv-benchmarks/c/aws-c-common/aws_hash_table_init_bounded_harness.i[227778,227791] [2024-11-13 15:30:19,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:30:19,717 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:30:19,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:30:19 WrapperNode [2024-11-13 15:30:19,719 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:30:19,720 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:30:19,721 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:30:19,721 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:30:19,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:30:19" (1/1) ... [2024-11-13 15:30:19,934 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:30:19" (1/1) ... [2024-11-13 15:30:20,066 INFO L138 Inliner]: procedures = 763, calls = 2426, calls flagged for inlining = 67, calls inlined = 13, statements flattened = 854 [2024-11-13 15:30:20,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:30:20,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:30:20,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:30:20,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:30:20,084 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:30:19" (1/1) ... [2024-11-13 15:30:20,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:30:19" (1/1) ... [2024-11-13 15:30:20,092 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:30:19" (1/1) ... [2024-11-13 15:30:20,106 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-13 15:30:20,107 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:30:19" (1/1) ... [2024-11-13 15:30:20,107 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:30:19" (1/1) ... [2024-11-13 15:30:20,188 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:30:19" (1/1) ... [2024-11-13 15:30:20,201 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:30:19" (1/1) ... [2024-11-13 15:30:20,222 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:30:19" (1/1) ... [2024-11-13 15:30:20,230 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:30:19" (1/1) ... [2024-11-13 15:30:20,245 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:30:20,246 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:30:20,246 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:30:20,246 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:30:20,247 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:30:19" (1/1) ... [2024-11-13 15:30:20,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:30:20,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97ca2f-c1d0-44f9-8806-e61e3a58fc43/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:30:20,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97ca2f-c1d0-44f9-8806-e61e3a58fc43/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:30:20,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97ca2f-c1d0-44f9-8806-e61e3a58fc43/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:30:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure s_update_template_size [2024-11-13 15:30:20,337 INFO L138 BoogieDeclarations]: Found implementation of procedure s_update_template_size [2024-11-13 15:30:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 15:30:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:30:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-13 15:30:20,337 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-13 15:30:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-13 15:30:20,338 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-13 15:30:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-13 15:30:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_calloc [2024-11-13 15:30:20,338 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_calloc [2024-11-13 15:30:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 15:30:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-13 15:30:20,339 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-13 15:30:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 15:30:20,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 15:30:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 15:30:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2024-11-13 15:30:20,340 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2024-11-13 15:30:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 15:30:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:30:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2024-11-13 15:30:20,341 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2024-11-13 15:30:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 15:30:20,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:30:20,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:30:20,342 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-13 15:30:20,343 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-13 15:30:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-13 15:30:20,343 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-13 15:30:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-13 15:30:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 15:30:20,343 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 15:30:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 15:30:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-13 15:30:20,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-13 15:30:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 15:30:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2024-11-13 15:30:20,344 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2024-11-13 15:30:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 15:30:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-13 15:30:20,344 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-13 15:30:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-13 15:30:20,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-13 15:30:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-13 15:30:20,344 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-13 15:30:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-13 15:30:20,344 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-13 15:30:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 15:30:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure s_alloc_state [2024-11-13 15:30:20,344 INFO L138 BoogieDeclarations]: Found implementation of procedure s_alloc_state [2024-11-13 15:30:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 15:30:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2024-11-13 15:30:20,344 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2024-11-13 15:30:20,886 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:30:20,891 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:30:28,167 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !true; [2024-11-13 15:30:28,314 INFO L? ?]: Removed 194 outVars from TransFormulas that were not future-live. [2024-11-13 15:30:28,314 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:30:28,340 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:30:28,340 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 15:30:28,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:30:28 BoogieIcfgContainer [2024-11-13 15:30:28,341 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:30:28,346 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:30:28,347 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:30:28,352 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:30:28,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:30:15" (1/3) ... [2024-11-13 15:30:28,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7762f137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:30:28, skipping insertion in model container [2024-11-13 15:30:28,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:30:19" (2/3) ... [2024-11-13 15:30:28,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7762f137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:30:28, skipping insertion in model container [2024-11-13 15:30:28,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:30:28" (3/3) ... [2024-11-13 15:30:28,357 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_table_init_bounded_harness.i [2024-11-13 15:30:28,379 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:30:28,381 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_init_bounded_harness.i that has 20 procedures, 205 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 15:30:28,465 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:30:28,484 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;@53e9322, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:30:28,485 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:30:28,491 INFO L276 IsEmpty]: Start isEmpty. Operand has 205 states, 146 states have (on average 1.2671232876712328) internal successors, (185), 146 states have internal predecessors, (185), 39 states have call successors, (39), 19 states have call predecessors, (39), 19 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-13 15:30:28,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 15:30:28,506 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:30:28,507 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:30:28,508 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:30:28,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:30:28,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1301518678, now seen corresponding path program 1 times [2024-11-13 15:30:28,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:30:28,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313975542] [2024-11-13 15:30:28,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:30:28,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:30:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:30:37,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:30:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:30:37,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:30:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:30:37,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:30:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:30:37,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:30:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:30:37,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:30:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:30:37,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 15:30:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:30:37,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:30:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:30:37,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:30:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:30:37,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 15:30:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:30:38,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:30:38,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:30:38,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:30:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:30:38,421 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:30:38,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:30:38,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313975542] [2024-11-13 15:30:38,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313975542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:30:38,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:30:38,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:30:38,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956428438] [2024-11-13 15:30:38,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:30:38,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:30:38,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:30:38,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:30:38,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:30:38,465 INFO L87 Difference]: Start difference. First operand has 205 states, 146 states have (on average 1.2671232876712328) internal successors, (185), 146 states have internal predecessors, (185), 39 states have call successors, (39), 19 states have call predecessors, (39), 19 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-13 15:30:42,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:30:47,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:30:47,322 INFO L93 Difference]: Finished difference Result 404 states and 541 transitions. [2024-11-13 15:30:47,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:30:47,325 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 76 [2024-11-13 15:30:47,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:30:47,337 INFO L225 Difference]: With dead ends: 404 [2024-11-13 15:30:47,337 INFO L226 Difference]: Without dead ends: 201 [2024-11-13 15:30:47,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:30:47,349 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 61 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 37 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:30:47,350 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 592 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 336 Invalid, 1 Unknown, 0 Unchecked, 8.7s Time] [2024-11-13 15:30:47,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-13 15:30:47,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 198. [2024-11-13 15:30:47,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 139 states have (on average 1.2446043165467626) internal successors, (173), 140 states have internal predecessors, (173), 39 states have call successors, (39), 19 states have call predecessors, (39), 19 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-13 15:30:47,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 250 transitions. [2024-11-13 15:30:47,444 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 250 transitions. Word has length 76 [2024-11-13 15:30:47,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:30:47,447 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 250 transitions. [2024-11-13 15:30:47,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-13 15:30:47,448 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 250 transitions. [2024-11-13 15:30:47,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-13 15:30:47,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:30:47,455 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:30:47,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:30:47,455 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:30:47,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:30:47,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1899895979, now seen corresponding path program 1 times [2024-11-13 15:30:47,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:30:47,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770485065] [2024-11-13 15:30:47,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:30:47,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:30:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:30:55,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:30:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:30:55,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:30:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:30:55,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:30:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:30:55,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:30:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:30:55,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:30:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:30:55,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 15:30:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:30:55,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:30:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:30:55,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:30:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:30:55,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 15:30:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:30:55,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:30:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:30:56,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 15:30:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:30:56,242 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:30:56,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:30:56,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770485065] [2024-11-13 15:30:56,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770485065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:30:56,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:30:56,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:30:56,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410651631] [2024-11-13 15:30:56,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:30:56,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:30:56,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:30:56,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:30:56,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:30:56,248 INFO L87 Difference]: Start difference. First operand 198 states and 250 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-13 15:31:00,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:31:04,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:31:04,805 INFO L93 Difference]: Finished difference Result 253 states and 311 transitions. [2024-11-13 15:31:04,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:31:04,807 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 78 [2024-11-13 15:31:04,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:31:04,810 INFO L225 Difference]: With dead ends: 253 [2024-11-13 15:31:04,813 INFO L226 Difference]: Without dead ends: 205 [2024-11-13 15:31:04,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:31:04,818 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 61 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 35 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:31:04,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 554 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 335 Invalid, 1 Unknown, 0 Unchecked, 8.5s Time] [2024-11-13 15:31:04,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-13 15:31:04,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 202. [2024-11-13 15:31:04,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 142 states have (on average 1.2394366197183098) internal successors, (176), 143 states have internal predecessors, (176), 39 states have call successors, (39), 19 states have call predecessors, (39), 20 states have return successors, (39), 39 states have call predecessors, (39), 38 states have call successors, (39) [2024-11-13 15:31:04,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 254 transitions. [2024-11-13 15:31:04,853 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 254 transitions. Word has length 78 [2024-11-13 15:31:04,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:31:04,854 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 254 transitions. [2024-11-13 15:31:04,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-13 15:31:04,854 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 254 transitions. [2024-11-13 15:31:04,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 15:31:04,857 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:04,857 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:31:04,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:31:04,857 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:31:04,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:04,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1151022943, now seen corresponding path program 1 times [2024-11-13 15:31:04,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:31:04,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091340131] [2024-11-13 15:31:04,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:04,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:31:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:12,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:31:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:12,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:31:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:12,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:31:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:12,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:31:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:12,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:31:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:12,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 15:31:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:12,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:31:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:12,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:31:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:12,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 15:31:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:12,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:31:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:12,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:31:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:12,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:31:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:12,579 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:31:12,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:31:12,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091340131] [2024-11-13 15:31:12,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091340131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:31:12,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:31:12,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:31:12,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133433191] [2024-11-13 15:31:12,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:31:12,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:31:12,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:31:12,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:31:12,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:31:12,585 INFO L87 Difference]: Start difference. First operand 202 states and 254 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-13 15:31:16,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:31:21,053 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 [] [2024-11-13 15:31:26,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:31:26,354 INFO L93 Difference]: Finished difference Result 299 states and 378 transitions. [2024-11-13 15:31:26,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:31:26,355 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 83 [2024-11-13 15:31:26,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:31:26,360 INFO L225 Difference]: With dead ends: 299 [2024-11-13 15:31:26,360 INFO L226 Difference]: Without dead ends: 251 [2024-11-13 15:31:26,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:31:26,362 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 205 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 104 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:31:26,363 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 578 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 364 Invalid, 2 Unknown, 0 Unchecked, 13.7s Time] [2024-11-13 15:31:26,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-13 15:31:26,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 198. [2024-11-13 15:31:26,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 139 states have (on average 1.2302158273381294) internal successors, (171), 140 states have internal predecessors, (171), 39 states have call successors, (39), 19 states have call predecessors, (39), 19 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-13 15:31:26,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 248 transitions. [2024-11-13 15:31:26,390 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 248 transitions. Word has length 83 [2024-11-13 15:31:26,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:31:26,391 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 248 transitions. [2024-11-13 15:31:26,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-13 15:31:26,392 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 248 transitions. [2024-11-13 15:31:26,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 15:31:26,394 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:26,394 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:31:26,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:31:26,395 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:31:26,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:26,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1327299412, now seen corresponding path program 1 times [2024-11-13 15:31:26,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:31:26,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461927602] [2024-11-13 15:31:26,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:26,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:31:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:33,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:31:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:33,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:31:33,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:33,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:31:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:33,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:31:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:33,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:31:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:33,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 15:31:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:33,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:31:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:33,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:31:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:33,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 15:31:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:33,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:31:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:33,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:31:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:33,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:31:33,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:34,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:31:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:34,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:31:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:34,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-13 15:31:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:34,721 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:31:34,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:31:34,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461927602] [2024-11-13 15:31:34,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461927602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:31:34,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:31:34,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:31:34,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031263348] [2024-11-13 15:31:34,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:31:34,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:31:34,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:31:34,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:31:34,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:31:34,727 INFO L87 Difference]: Start difference. First operand 198 states and 248 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 15:31:38,822 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 [] [2024-11-13 15:31:43,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:31:50,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:31:50,050 INFO L93 Difference]: Finished difference Result 321 states and 393 transitions. [2024-11-13 15:31:50,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:31:50,051 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 100 [2024-11-13 15:31:50,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:31:50,055 INFO L225 Difference]: With dead ends: 321 [2024-11-13 15:31:50,055 INFO L226 Difference]: Without dead ends: 206 [2024-11-13 15:31:50,056 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:31:50,057 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 103 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 33 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:31:50,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 741 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 488 Invalid, 2 Unknown, 0 Unchecked, 15.3s Time] [2024-11-13 15:31:50,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-13 15:31:50,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 203. [2024-11-13 15:31:50,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 143 states have (on average 1.2237762237762237) internal successors, (175), 144 states have internal predecessors, (175), 39 states have call successors, (39), 19 states have call predecessors, (39), 20 states have return successors, (41), 39 states have call predecessors, (41), 38 states have call successors, (41) [2024-11-13 15:31:50,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 255 transitions. [2024-11-13 15:31:50,081 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 255 transitions. Word has length 100 [2024-11-13 15:31:50,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:31:50,081 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 255 transitions. [2024-11-13 15:31:50,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 15:31:50,082 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 255 transitions. [2024-11-13 15:31:50,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-13 15:31:50,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:50,085 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:31:50,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:31:50,085 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:31:50,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:50,086 INFO L85 PathProgramCache]: Analyzing trace with hash 721441017, now seen corresponding path program 1 times [2024-11-13 15:31:50,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:31:50,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321489112] [2024-11-13 15:31:50,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:50,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:31:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:59,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:31:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:59,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:31:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:59,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:31:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:59,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:31:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:59,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:31:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:59,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 15:31:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:59,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:31:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:59,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:31:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:59,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 15:31:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:59,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:31:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:59,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:31:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:00,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:32:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:00,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:32:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:00,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:32:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:00,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:32:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:00,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-13 15:32:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:00,635 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:32:00,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:32:00,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321489112] [2024-11-13 15:32:00,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321489112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:32:00,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:32:00,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:32:00,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880047586] [2024-11-13 15:32:00,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:32:00,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:32:00,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:32:00,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:32:00,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:32:00,639 INFO L87 Difference]: Start difference. First operand 203 states and 255 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-13 15:32:04,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:32:09,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:32:13,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:32:22,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:32:22,098 INFO L93 Difference]: Finished difference Result 304 states and 382 transitions. [2024-11-13 15:32:22,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 15:32:22,099 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 106 [2024-11-13 15:32:22,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:32:22,102 INFO L225 Difference]: With dead ends: 304 [2024-11-13 15:32:22,102 INFO L226 Difference]: Without dead ends: 247 [2024-11-13 15:32:22,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:32:22,104 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 189 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 51 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:32:22,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 751 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 530 Invalid, 3 Unknown, 0 Unchecked, 21.2s Time] [2024-11-13 15:32:22,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-11-13 15:32:22,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 203. [2024-11-13 15:32:22,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 143 states have (on average 1.2097902097902098) internal successors, (173), 144 states have internal predecessors, (173), 39 states have call successors, (39), 19 states have call predecessors, (39), 20 states have return successors, (41), 39 states have call predecessors, (41), 38 states have call successors, (41) [2024-11-13 15:32:22,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 253 transitions. [2024-11-13 15:32:22,129 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 253 transitions. Word has length 106 [2024-11-13 15:32:22,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:32:22,130 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 253 transitions. [2024-11-13 15:32:22,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-13 15:32:22,130 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 253 transitions. [2024-11-13 15:32:22,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-13 15:32:22,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:32:22,133 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:32:22,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 15:32:22,134 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:32:22,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:32:22,135 INFO L85 PathProgramCache]: Analyzing trace with hash -173700675, now seen corresponding path program 1 times [2024-11-13 15:32:22,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:32:22,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748801038] [2024-11-13 15:32:22,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:32:22,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:32:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:28,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:32:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:28,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:32:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:28,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:32:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:28,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:32:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:28,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:32:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:28,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 15:32:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:28,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:32:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:28,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:32:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:28,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 15:32:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:28,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:32:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:28,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:32:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:29,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:32:29,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:29,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:32:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:29,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:32:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:29,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:32:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:29,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 15:32:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:29,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:32:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:29,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 15:32:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:29,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:32:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:29,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 15:32:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:29,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:32:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:29,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 15:32:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:30,010 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-13 15:32:30,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:32:30,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748801038] [2024-11-13 15:32:30,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748801038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:32:30,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:32:30,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:32:30,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486716614] [2024-11-13 15:32:30,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:32:30,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:32:30,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:32:30,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:32:30,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:32:30,016 INFO L87 Difference]: Start difference. First operand 203 states and 253 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (22), 5 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-13 15:32:34,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:32:38,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:32:42,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:32:49,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:32:49,815 INFO L93 Difference]: Finished difference Result 369 states and 454 transitions. [2024-11-13 15:32:49,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 15:32:49,817 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (22), 5 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 [2024-11-13 15:32:49,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:32:49,824 INFO L225 Difference]: With dead ends: 369 [2024-11-13 15:32:49,824 INFO L226 Difference]: Without dead ends: 247 [2024-11-13 15:32:49,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:32:49,826 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 202 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 101 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:32:49,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 595 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 388 Invalid, 3 Unknown, 0 Unchecked, 19.5s Time] [2024-11-13 15:32:49,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-11-13 15:32:49,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 198. [2024-11-13 15:32:49,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 139 states have (on average 1.2014388489208634) internal successors, (167), 140 states have internal predecessors, (167), 39 states have call successors, (39), 19 states have call predecessors, (39), 19 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-13 15:32:49,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 244 transitions. [2024-11-13 15:32:49,885 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 244 transitions. Word has length 141 [2024-11-13 15:32:49,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:32:49,888 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 244 transitions. [2024-11-13 15:32:49,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (22), 5 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-13 15:32:49,889 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 244 transitions. [2024-11-13 15:32:49,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-13 15:32:49,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:32:49,892 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-11-13 15:32:49,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 15:32:49,895 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:32:49,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:32:49,896 INFO L85 PathProgramCache]: Analyzing trace with hash -668690355, now seen corresponding path program 1 times [2024-11-13 15:32:49,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:32:49,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961559843] [2024-11-13 15:32:49,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:32:49,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:32:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:56,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:32:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:56,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:32:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:57,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:32:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:57,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:32:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:57,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:32:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:57,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 15:32:57,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:57,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:32:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:57,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:32:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:57,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 15:32:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:57,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:32:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:57,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:32:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:57,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:32:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:57,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:32:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:58,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:32:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:58,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:32:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:58,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:32:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:58,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 15:32:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:58,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:32:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:58,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:32:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:58,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 15:32:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:58,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 15:32:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:58,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:32:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:58,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 15:32:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:32:58,583 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-13 15:32:58,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:32:58,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961559843] [2024-11-13 15:32:58,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961559843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:32:58,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:32:58,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:32:58,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926182767] [2024-11-13 15:32:58,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:32:58,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:32:58,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:32:58,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:32:58,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:32:58,586 INFO L87 Difference]: Start difference. First operand 198 states and 244 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 15:33:02,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:33:07,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:33:14,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:33:14,016 INFO L93 Difference]: Finished difference Result 263 states and 319 transitions. [2024-11-13 15:33:14,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:33:14,016 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (23), 4 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 [2024-11-13 15:33:14,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:33:14,018 INFO L225 Difference]: With dead ends: 263 [2024-11-13 15:33:14,018 INFO L226 Difference]: Without dead ends: 206 [2024-11-13 15:33:14,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:33:14,019 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 161 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 72 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:33:14,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 681 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 426 Invalid, 2 Unknown, 0 Unchecked, 15.4s Time] [2024-11-13 15:33:14,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-13 15:33:14,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 203. [2024-11-13 15:33:14,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 143 states have (on average 1.1958041958041958) internal successors, (171), 144 states have internal predecessors, (171), 39 states have call successors, (39), 19 states have call predecessors, (39), 20 states have return successors, (41), 39 states have call predecessors, (41), 38 states have call successors, (41) [2024-11-13 15:33:14,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 251 transitions. [2024-11-13 15:33:14,034 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 251 transitions. Word has length 147 [2024-11-13 15:33:14,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:33:14,035 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 251 transitions. [2024-11-13 15:33:14,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 15:33:14,035 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 251 transitions. [2024-11-13 15:33:14,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-13 15:33:14,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:33:14,038 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-11-13 15:33:14,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 15:33:14,038 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:33:14,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:33:14,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1368070874, now seen corresponding path program 1 times [2024-11-13 15:33:14,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:33:14,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876094863] [2024-11-13 15:33:14,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:33:14,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:33:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:20,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:33:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:20,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:33:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:20,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:33:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:20,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:33:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:20,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:33:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:20,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 15:33:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:20,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:33:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:20,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:33:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:20,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 15:33:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:20,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:33:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:20,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:33:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:21,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:33:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:21,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:33:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:21,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:33:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:21,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:33:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:21,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:33:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:21,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 15:33:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:21,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:33:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:21,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:33:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:21,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 15:33:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:21,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 15:33:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:21,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:33:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:22,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:33:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:22,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 15:33:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:22,025 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-13 15:33:22,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:33:22,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876094863] [2024-11-13 15:33:22,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876094863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:33:22,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:33:22,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:33:22,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711685317] [2024-11-13 15:33:22,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:33:22,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:33:22,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:33:22,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:33:22,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:33:22,028 INFO L87 Difference]: Start difference. First operand 203 states and 251 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 15:33:26,104 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 [] [2024-11-13 15:33:30,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:33:34,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:33:41,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:33:41,732 INFO L93 Difference]: Finished difference Result 306 states and 376 transitions. [2024-11-13 15:33:41,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:33:41,733 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (24), 5 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 [2024-11-13 15:33:41,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:33:41,736 INFO L225 Difference]: With dead ends: 306 [2024-11-13 15:33:41,738 INFO L226 Difference]: Without dead ends: 249 [2024-11-13 15:33:41,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:33:41,741 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 184 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 49 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:33:41,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 592 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 423 Invalid, 3 Unknown, 0 Unchecked, 19.6s Time] [2024-11-13 15:33:41,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-11-13 15:33:41,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 198. [2024-11-13 15:33:41,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 139 states have (on average 1.1942446043165467) internal successors, (166), 140 states have internal predecessors, (166), 39 states have call successors, (39), 19 states have call predecessors, (39), 19 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-13 15:33:41,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 243 transitions. [2024-11-13 15:33:41,766 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 243 transitions. Word has length 153 [2024-11-13 15:33:41,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:33:41,767 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 243 transitions. [2024-11-13 15:33:41,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 15:33:41,768 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 243 transitions. [2024-11-13 15:33:41,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-13 15:33:41,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:33:41,771 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-11-13 15:33:41,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 15:33:41,771 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:33:41,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:33:41,771 INFO L85 PathProgramCache]: Analyzing trace with hash -636381911, now seen corresponding path program 1 times [2024-11-13 15:33:41,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:33:41,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94014647] [2024-11-13 15:33:41,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:33:41,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:33:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:48,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:33:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:48,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:33:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:48,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:33:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:48,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:33:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:48,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:33:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:48,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 15:33:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:48,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:33:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:48,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:33:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:48,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 15:33:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:49,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:33:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:49,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:33:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:49,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:33:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:49,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:33:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:49,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:33:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:49,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:33:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:50,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:33:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:50,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 15:33:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:50,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:33:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:50,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:33:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:50,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 15:33:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:50,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 15:33:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:50,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:33:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:50,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:33:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:50,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:33:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:50,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 15:33:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:50,589 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-13 15:33:50,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:33:50,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94014647] [2024-11-13 15:33:50,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94014647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:33:50,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:33:50,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:33:50,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426915920] [2024-11-13 15:33:50,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:33:50,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:33:50,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:33:50,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:33:50,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:33:50,591 INFO L87 Difference]: Start difference. First operand 198 states and 243 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (25), 4 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-13 15:33:54,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:33:59,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:34:09,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:34:09,199 INFO L93 Difference]: Finished difference Result 262 states and 315 transitions. [2024-11-13 15:34:09,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:34:09,200 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (25), 4 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 [2024-11-13 15:34:09,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:34:09,202 INFO L225 Difference]: With dead ends: 262 [2024-11-13 15:34:09,202 INFO L226 Difference]: Without dead ends: 204 [2024-11-13 15:34:09,202 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:34:09,203 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 105 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 33 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:34:09,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 845 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 592 Invalid, 2 Unknown, 0 Unchecked, 17.9s Time] [2024-11-13 15:34:09,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-13 15:34:09,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 203. [2024-11-13 15:34:09,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 143 states have (on average 1.1888111888111887) internal successors, (170), 144 states have internal predecessors, (170), 39 states have call successors, (39), 19 states have call predecessors, (39), 20 states have return successors, (39), 39 states have call predecessors, (39), 38 states have call successors, (39) [2024-11-13 15:34:09,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 248 transitions. [2024-11-13 15:34:09,219 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 248 transitions. Word has length 160 [2024-11-13 15:34:09,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:34:09,220 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 248 transitions. [2024-11-13 15:34:09,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (25), 4 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-13 15:34:09,220 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 248 transitions. [2024-11-13 15:34:09,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-13 15:34:09,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:34:09,222 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-11-13 15:34:09,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 15:34:09,223 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:34:09,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:34:09,223 INFO L85 PathProgramCache]: Analyzing trace with hash -4930485, now seen corresponding path program 1 times [2024-11-13 15:34:09,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:34:09,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102266041] [2024-11-13 15:34:09,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:34:09,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:34:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:16,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:34:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:16,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:34:16,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:16,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:34:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:16,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:34:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:16,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:34:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:16,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 15:34:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:16,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:34:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:16,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:34:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:16,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 15:34:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:17,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:34:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:17,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:34:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:18,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:34:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:18,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:34:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:18,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:34:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:18,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:34:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:18,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:34:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:18,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 15:34:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:18,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:34:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:18,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:34:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:18,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 15:34:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:18,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 15:34:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:18,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:34:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:18,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:34:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:19,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:34:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:19,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:34:19,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:19,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 15:34:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:19,313 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-13 15:34:19,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:34:19,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102266041] [2024-11-13 15:34:19,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102266041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:34:19,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:34:19,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 15:34:19,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940136313] [2024-11-13 15:34:19,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:34:19,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 15:34:19,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:34:19,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 15:34:19,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-13 15:34:19,316 INFO L87 Difference]: Start difference. First operand 203 states and 248 transitions. Second operand has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 7 states have internal predecessors, (81), 3 states have call successors, (26), 5 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-13 15:34:23,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:34:27,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:34:32,220 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 [] [2024-11-13 15:34:45,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:34:45,444 INFO L93 Difference]: Finished difference Result 309 states and 378 transitions. [2024-11-13 15:34:45,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 15:34:45,445 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 7 states have internal predecessors, (81), 3 states have call successors, (26), 5 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 [2024-11-13 15:34:45,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:34:45,448 INFO L225 Difference]: With dead ends: 309 [2024-11-13 15:34:45,448 INFO L226 Difference]: Without dead ends: 241 [2024-11-13 15:34:45,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-13 15:34:45,449 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 302 mSDsluCounter, 950 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 134 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:34:45,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 1108 Invalid, 945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 808 Invalid, 3 Unknown, 0 Unchecked, 24.9s Time] [2024-11-13 15:34:45,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-13 15:34:45,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 196. [2024-11-13 15:34:45,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 138 states have (on average 1.181159420289855) internal successors, (163), 139 states have internal predecessors, (163), 38 states have call successors, (38), 19 states have call predecessors, (38), 19 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-13 15:34:45,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 238 transitions. [2024-11-13 15:34:45,476 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 238 transitions. Word has length 166 [2024-11-13 15:34:45,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:34:45,480 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 238 transitions. [2024-11-13 15:34:45,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 7 states have internal predecessors, (81), 3 states have call successors, (26), 5 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-13 15:34:45,480 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 238 transitions. [2024-11-13 15:34:45,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-13 15:34:45,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:34:45,482 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-13 15:34:45,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 15:34:45,483 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:34:45,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:34:45,483 INFO L85 PathProgramCache]: Analyzing trace with hash -816007831, now seen corresponding path program 1 times [2024-11-13 15:34:45,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:34:45,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863638433] [2024-11-13 15:34:45,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:34:45,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:34:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:54,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:34:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:54,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:34:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:54,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:34:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:54,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:34:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:54,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:34:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:54,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 15:34:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:54,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:34:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:54,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:34:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:54,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 15:34:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:55,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:34:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:55,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:34:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:56,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:34:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:57,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:34:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:57,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:34:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:57,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:34:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:57,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:34:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:57,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 15:34:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:57,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:34:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:57,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:34:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:57,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 15:34:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:57,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 15:34:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:57,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:34:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:57,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:34:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:59,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:34:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:59,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:34:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:59,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:34:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:59,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:34:59,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:59,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 15:34:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:59,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-13 15:34:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:02,288 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-13 15:35:02,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:35:02,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863638433] [2024-11-13 15:35:02,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863638433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:35:02,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:35:02,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-13 15:35:02,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819736285] [2024-11-13 15:35:02,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:35:02,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-13 15:35:02,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:35:02,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-13 15:35:02,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2024-11-13 15:35:02,290 INFO L87 Difference]: Start difference. First operand 196 states and 238 transitions. Second operand has 19 states, 19 states have (on average 4.315789473684211) internal successors, (82), 15 states have internal predecessors, (82), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (27), 4 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-13 15:35:06,359 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 [] [2024-11-13 15:35:10,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:35:15,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:35:19,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:35:23,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:35:27,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:35:56,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:35:56,624 INFO L93 Difference]: Finished difference Result 254 states and 305 transitions. [2024-11-13 15:35:56,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 15:35:56,625 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.315789473684211) internal successors, (82), 15 states have internal predecessors, (82), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (27), 4 states have call predecessors, (27), 2 states have call successors, (27) Word has length 185 [2024-11-13 15:35:56,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:35:56,627 INFO L225 Difference]: With dead ends: 254 [2024-11-13 15:35:56,628 INFO L226 Difference]: Without dead ends: 204 [2024-11-13 15:35:56,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2024-11-13 15:35:56,629 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 180 mSDsluCounter, 1865 mSDsCounter, 0 mSdLazyCounter, 1634 mSolverCounterSat, 67 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 2016 SdHoareTripleChecker+Invalid, 1707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1634 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:35:56,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 2016 Invalid, 1707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1634 Invalid, 6 Unknown, 0 Unchecked, 52.3s Time] [2024-11-13 15:35:56,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-13 15:35:56,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 201. [2024-11-13 15:35:56,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 142 states have (on average 1.1830985915492958) internal successors, (168), 144 states have internal predecessors, (168), 38 states have call successors, (38), 19 states have call predecessors, (38), 20 states have return successors, (38), 37 states have call predecessors, (38), 37 states have call successors, (38) [2024-11-13 15:35:56,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 244 transitions. [2024-11-13 15:35:56,646 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 244 transitions. Word has length 185 [2024-11-13 15:35:56,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:35:56,648 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 244 transitions. [2024-11-13 15:35:56,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.315789473684211) internal successors, (82), 15 states have internal predecessors, (82), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (27), 4 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-13 15:35:56,648 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 244 transitions. [2024-11-13 15:35:56,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-13 15:35:56,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:35:56,651 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-13 15:35:56,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 15:35:56,652 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:35:56,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:35:56,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1209034841, now seen corresponding path program 1 times [2024-11-13 15:35:56,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:35:56,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175011796] [2024-11-13 15:35:56,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:56,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:36:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:03,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:36:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:03,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:36:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:03,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:36:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:03,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:36:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:03,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:36:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:03,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 15:36:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:03,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:36:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:03,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:36:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:03,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 15:36:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:03,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:36:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:03,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:36:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:03,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:36:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:04,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:36:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:04,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:36:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:04,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:36:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:04,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:36:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:04,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 15:36:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:04,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:36:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:04,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:36:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:04,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 15:36:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:04,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 15:36:04,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:04,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:36:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:04,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:36:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:04,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:36:04,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:04,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:36:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:04,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:36:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:04,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:36:04,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:04,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 15:36:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:04,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-13 15:36:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:04,807 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-13 15:36:04,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:36:04,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175011796] [2024-11-13 15:36:04,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175011796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:36:04,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:36:04,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:36:04,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445457739] [2024-11-13 15:36:04,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:36:04,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:36:04,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:36:04,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:36:04,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:36:04,810 INFO L87 Difference]: Start difference. First operand 201 states and 244 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-13 15:36:08,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:36:13,258 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 [] [2024-11-13 15:36:20,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:36:20,592 INFO L93 Difference]: Finished difference Result 261 states and 313 transitions. [2024-11-13 15:36:20,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:36:20,593 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 185 [2024-11-13 15:36:20,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:36:20,595 INFO L225 Difference]: With dead ends: 261 [2024-11-13 15:36:20,595 INFO L226 Difference]: Without dead ends: 206 [2024-11-13 15:36:20,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:36:20,597 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 106 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 34 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:36:20,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 554 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 386 Invalid, 2 Unknown, 0 Unchecked, 15.2s Time] [2024-11-13 15:36:20,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-13 15:36:20,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 203. [2024-11-13 15:36:20,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 143 states have (on average 1.1818181818181819) internal successors, (169), 145 states have internal predecessors, (169), 39 states have call successors, (39), 19 states have call predecessors, (39), 20 states have return successors, (39), 38 states have call predecessors, (39), 38 states have call successors, (39) [2024-11-13 15:36:20,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 247 transitions. [2024-11-13 15:36:20,616 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 247 transitions. Word has length 185 [2024-11-13 15:36:20,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:36:20,617 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 247 transitions. [2024-11-13 15:36:20,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-13 15:36:20,617 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 247 transitions. [2024-11-13 15:36:20,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-13 15:36:20,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:36:20,620 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-13 15:36:20,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 15:36:20,621 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:36:20,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:36:20,621 INFO L85 PathProgramCache]: Analyzing trace with hash 485383974, now seen corresponding path program 1 times [2024-11-13 15:36:20,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:36:20,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256435187] [2024-11-13 15:36:20,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:36:20,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:36:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:27,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:36:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:27,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:36:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:27,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:36:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:27,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:36:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:27,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:36:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:27,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 15:36:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:27,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:36:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:27,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:36:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:27,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 15:36:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:27,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:36:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:27,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:36:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:27,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:36:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:28,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:36:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:28,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:36:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:28,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:36:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:28,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:36:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:28,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 15:36:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:28,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:36:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:28,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:36:28,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:28,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 15:36:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:28,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 15:36:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:28,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:36:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:28,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:36:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:28,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:36:28,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:28,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:36:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:28,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:36:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:28,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:36:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:28,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 15:36:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:28,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-13 15:36:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:28,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:36:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:29,556 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-13 15:36:29,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:36:29,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256435187] [2024-11-13 15:36:29,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256435187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:36:29,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:36:29,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 15:36:29,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841554590] [2024-11-13 15:36:29,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:36:29,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:36:29,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:36:29,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:36:29,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:36:29,562 INFO L87 Difference]: Start difference. First operand 203 states and 247 transitions. Second operand has 9 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 3 states have call successors, (29), 4 states have call predecessors, (29), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-13 15:36:33,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:36:38,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:36:42,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:36:46,811 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 [] [2024-11-13 15:36:58,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:36:58,959 INFO L93 Difference]: Finished difference Result 263 states and 319 transitions. [2024-11-13 15:36:58,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 15:36:58,960 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 3 states have call successors, (29), 4 states have call predecessors, (29), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 191 [2024-11-13 15:36:58,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:36:58,962 INFO L225 Difference]: With dead ends: 263 [2024-11-13 15:36:58,962 INFO L226 Difference]: Without dead ends: 204 [2024-11-13 15:36:58,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-13 15:36:58,963 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 160 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 74 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:36:58,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 925 Invalid, 698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 620 Invalid, 4 Unknown, 0 Unchecked, 27.7s Time] [2024-11-13 15:36:58,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-13 15:36:58,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 203. [2024-11-13 15:36:58,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 143 states have (on average 1.1748251748251748) internal successors, (168), 145 states have internal predecessors, (168), 39 states have call successors, (39), 19 states have call predecessors, (39), 20 states have return successors, (39), 38 states have call predecessors, (39), 38 states have call successors, (39) [2024-11-13 15:36:58,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 246 transitions. [2024-11-13 15:36:58,981 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 246 transitions. Word has length 191 [2024-11-13 15:36:58,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:36:58,982 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 246 transitions. [2024-11-13 15:36:58,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 3 states have call successors, (29), 4 states have call predecessors, (29), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-13 15:36:58,983 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 246 transitions. [2024-11-13 15:36:58,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-13 15:36:58,984 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:36:58,985 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-13 15:36:58,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 15:36:58,985 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:36:58,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:36:58,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1184539933, now seen corresponding path program 1 times [2024-11-13 15:36:58,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:36:58,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648072695] [2024-11-13 15:36:58,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:36:58,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:37:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:06,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:37:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:06,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:37:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:06,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:37:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:06,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:37:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:06,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:37:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:06,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 15:37:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:06,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:37:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:06,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:37:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:06,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 15:37:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:06,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:37:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:06,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:37:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:06,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:37:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:07,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:37:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:07,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:37:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:07,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:37:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:07,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:37:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:07,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 15:37:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:07,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:37:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:07,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:37:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:07,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 15:37:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:07,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 15:37:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:07,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:37:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:07,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:37:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:07,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:37:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:07,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:37:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:07,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:37:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:07,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:37:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:07,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 15:37:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:07,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-13 15:37:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:07,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:37:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:07,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:37:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:07,363 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-13 15:37:07,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:37:07,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648072695] [2024-11-13 15:37:07,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648072695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:37:07,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:37:07,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:37:07,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157249637] [2024-11-13 15:37:07,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:37:07,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:37:07,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:37:07,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:37:07,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:37:07,367 INFO L87 Difference]: Start difference. First operand 203 states and 246 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-13 15:37:11,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:37:15,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:37:22,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:37:22,586 INFO L93 Difference]: Finished difference Result 355 states and 418 transitions. [2024-11-13 15:37:22,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:37:22,586 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 198 [2024-11-13 15:37:22,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:37:22,588 INFO L225 Difference]: With dead ends: 355 [2024-11-13 15:37:22,588 INFO L226 Difference]: Without dead ends: 206 [2024-11-13 15:37:22,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:37:22,590 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 158 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 69 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:37:22,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 481 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 359 Invalid, 2 Unknown, 0 Unchecked, 14.7s Time] [2024-11-13 15:37:22,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-13 15:37:22,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 205. [2024-11-13 15:37:22,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 145 states have (on average 1.1724137931034482) internal successors, (170), 147 states have internal predecessors, (170), 39 states have call successors, (39), 19 states have call predecessors, (39), 20 states have return successors, (39), 38 states have call predecessors, (39), 38 states have call successors, (39) [2024-11-13 15:37:22,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 248 transitions. [2024-11-13 15:37:22,612 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 248 transitions. Word has length 198 [2024-11-13 15:37:22,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:37:22,612 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 248 transitions. [2024-11-13 15:37:22,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-13 15:37:22,613 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 248 transitions. [2024-11-13 15:37:22,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-13 15:37:22,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:37:22,616 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-13 15:37:22,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 15:37:22,616 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:37:22,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:37:22,617 INFO L85 PathProgramCache]: Analyzing trace with hash 712439525, now seen corresponding path program 1 times [2024-11-13 15:37:22,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:37:22,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686330705] [2024-11-13 15:37:22,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:37:22,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:37:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:32,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:37:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:32,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:37:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:32,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:37:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:32,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:37:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:32,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:37:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:32,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 15:37:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:32,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:37:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:32,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:37:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:32,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 15:37:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:33,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:37:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:33,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:37:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:33,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:37:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:34,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:37:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:34,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:37:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:34,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:37:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:34,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:37:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:34,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 15:37:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:34,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:37:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:34,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:37:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:34,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 15:37:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:34,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 15:37:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:34,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:37:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:34,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:37:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:34,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:37:34,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:34,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:37:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:34,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:37:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:34,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:37:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:34,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 15:37:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:34,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-13 15:37:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:34,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:37:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:34,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:37:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:34,325 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-13 15:37:34,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:37:34,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686330705] [2024-11-13 15:37:34,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686330705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:37:34,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:37:34,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:37:34,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236803599] [2024-11-13 15:37:34,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:37:34,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:37:34,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:37:34,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:37:34,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:37:34,329 INFO L87 Difference]: Start difference. First operand 205 states and 248 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-13 15:37:38,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:37:42,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:37:49,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:37:49,164 INFO L93 Difference]: Finished difference Result 354 states and 415 transitions. [2024-11-13 15:37:49,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:37:49,164 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 198 [2024-11-13 15:37:49,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:37:49,166 INFO L225 Difference]: With dead ends: 354 [2024-11-13 15:37:49,166 INFO L226 Difference]: Without dead ends: 205 [2024-11-13 15:37:49,167 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:37:49,168 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 154 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 76 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:37:49,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 463 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 364 Invalid, 2 Unknown, 0 Unchecked, 14.2s Time] [2024-11-13 15:37:49,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-13 15:37:49,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 203. [2024-11-13 15:37:49,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 143 states have (on average 1.167832167832168) internal successors, (167), 145 states have internal predecessors, (167), 39 states have call successors, (39), 19 states have call predecessors, (39), 20 states have return successors, (39), 38 states have call predecessors, (39), 38 states have call successors, (39) [2024-11-13 15:37:49,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 245 transitions. [2024-11-13 15:37:49,184 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 245 transitions. Word has length 198 [2024-11-13 15:37:49,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:37:49,185 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 245 transitions. [2024-11-13 15:37:49,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-13 15:37:49,185 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 245 transitions. [2024-11-13 15:37:49,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-13 15:37:49,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:37:49,187 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-13 15:37:49,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 15:37:49,188 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:37:49,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:37:49,188 INFO L85 PathProgramCache]: Analyzing trace with hash 537245933, now seen corresponding path program 1 times [2024-11-13 15:37:49,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:37:49,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727396693] [2024-11-13 15:37:49,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:37:49,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:37:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:55,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:37:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:55,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:37:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:55,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:37:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:55,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:37:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:55,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:37:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:55,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 15:37:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:55,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:37:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:55,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:37:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:55,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 15:37:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:55,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:37:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:55,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:37:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:55,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 15:37:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:55,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:37:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:56,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:37:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:56,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:37:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:56,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:37:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:56,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:37:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:56,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 15:37:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:56,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:37:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:56,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:37:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:56,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 15:37:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:56,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 15:37:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:56,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:37:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:56,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:37:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:56,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:37:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:56,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:37:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:56,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:37:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:56,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:37:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:56,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 15:37:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:56,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-13 15:37:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:56,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:37:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:56,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:37:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:56,319 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-13 15:37:56,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:37:56,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727396693] [2024-11-13 15:37:56,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727396693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:37:56,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:37:56,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:37:56,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625302369] [2024-11-13 15:37:56,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:37:56,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:37:56,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:37:56,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:37:56,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:37:56,322 INFO L87 Difference]: Start difference. First operand 203 states and 245 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (31), 5 states have call predecessors, (31), 2 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-13 15:38:00,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:38:04,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:38:09,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:38:14,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:38:14,920 INFO L93 Difference]: Finished difference Result 393 states and 466 transitions. [2024-11-13 15:38:14,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:38:14,920 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (31), 5 states have call predecessors, (31), 2 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) Word has length 203 [2024-11-13 15:38:14,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:38:14,923 INFO L225 Difference]: With dead ends: 393 [2024-11-13 15:38:14,923 INFO L226 Difference]: Without dead ends: 248 [2024-11-13 15:38:14,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:38:14,924 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 286 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 128 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:38:14,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 581 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 350 Invalid, 3 Unknown, 0 Unchecked, 18.6s Time] [2024-11-13 15:38:14,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-13 15:38:14,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 201. [2024-11-13 15:38:14,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 141 states have (on average 1.1631205673758864) internal successors, (164), 143 states have internal predecessors, (164), 39 states have call successors, (39), 19 states have call predecessors, (39), 20 states have return successors, (39), 38 states have call predecessors, (39), 38 states have call successors, (39) [2024-11-13 15:38:14,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 242 transitions. [2024-11-13 15:38:14,947 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 242 transitions. Word has length 203 [2024-11-13 15:38:14,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:38:14,947 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 242 transitions. [2024-11-13 15:38:14,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (31), 5 states have call predecessors, (31), 2 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-13 15:38:14,948 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 242 transitions. [2024-11-13 15:38:14,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-13 15:38:14,949 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:38:14,949 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-13 15:38:14,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 15:38:14,950 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:38:14,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:38:14,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1316998258, now seen corresponding path program 1 times [2024-11-13 15:38:14,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:38:14,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597426191] [2024-11-13 15:38:14,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:38:14,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:38:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:21,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:38:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:21,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:38:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:21,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:38:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:21,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:38:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:21,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:38:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:21,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 15:38:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:21,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:38:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:21,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:38:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:21,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 15:38:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:21,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:38:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:22,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:38:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:22,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:38:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:22,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:38:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:22,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:38:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:22,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:38:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:22,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:38:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:22,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:38:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:22,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 15:38:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:22,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:38:22,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:22,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:38:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:22,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 15:38:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:22,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 15:38:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:22,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:38:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:22,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:38:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:22,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:38:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:22,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:38:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:22,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:38:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:22,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:38:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:22,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 15:38:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:22,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-13 15:38:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:22,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:38:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:22,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:38:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:22,849 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-13 15:38:22,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:38:22,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597426191] [2024-11-13 15:38:22,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597426191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:38:22,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:38:22,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 15:38:22,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163443341] [2024-11-13 15:38:22,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:38:22,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:38:22,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:38:22,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:38:22,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:38:22,851 INFO L87 Difference]: Start difference. First operand 201 states and 242 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (31), 5 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-13 15:38:26,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:38:31,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:38:35,645 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 [] [2024-11-13 15:38:44,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:38:44,709 INFO L93 Difference]: Finished difference Result 391 states and 463 transitions. [2024-11-13 15:38:44,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 15:38:44,710 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (31), 5 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) Word has length 205 [2024-11-13 15:38:44,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:38:44,713 INFO L225 Difference]: With dead ends: 391 [2024-11-13 15:38:44,713 INFO L226 Difference]: Without dead ends: 240 [2024-11-13 15:38:44,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:38:44,715 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 232 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 86 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2024-11-13 15:38:44,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 807 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 583 Invalid, 3 Unknown, 0 Unchecked, 21.8s Time] [2024-11-13 15:38:44,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-11-13 15:38:44,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 199. [2024-11-13 15:38:44,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 140 states have (on average 1.1571428571428573) internal successors, (162), 142 states have internal predecessors, (162), 38 states have call successors, (38), 19 states have call predecessors, (38), 20 states have return successors, (38), 37 states have call predecessors, (38), 37 states have call successors, (38) [2024-11-13 15:38:44,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 238 transitions. [2024-11-13 15:38:44,732 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 238 transitions. Word has length 205 [2024-11-13 15:38:44,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:38:44,732 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 238 transitions. [2024-11-13 15:38:44,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (31), 5 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-13 15:38:44,733 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 238 transitions. [2024-11-13 15:38:44,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-13 15:38:44,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:38:44,735 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-13 15:38:44,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 15:38:44,735 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:38:44,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:38:44,736 INFO L85 PathProgramCache]: Analyzing trace with hash 561452762, now seen corresponding path program 1 times [2024-11-13 15:38:44,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:38:44,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657176939] [2024-11-13 15:38:44,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:38:44,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:38:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:56,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:38:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:56,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:38:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:56,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:38:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:56,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:38:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:56,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:38:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:56,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 15:38:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:56,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:38:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:56,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:38:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:56,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 15:38:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:56,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:38:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:57,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 15:38:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:57,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:38:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:57,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:38:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:57,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:38:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:57,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:38:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:57,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:38:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:57,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 15:38:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:57,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:38:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:57,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:38:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:57,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 15:38:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:57,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 15:38:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:57,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:38:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:57,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:38:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:57,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:38:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:57,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:38:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:57,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:38:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:57,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:38:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:57,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 15:38:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:57,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-13 15:38:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:57,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:38:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:57,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:38:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:57,635 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-13 15:38:57,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:38:57,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657176939] [2024-11-13 15:38:57,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657176939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:38:57,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:38:57,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:38:57,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065111092] [2024-11-13 15:38:57,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:38:57,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:38:57,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:38:57,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:38:57,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:38:57,637 INFO L87 Difference]: Start difference. First operand 199 states and 238 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-13 15:39:01,699 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 [] [2024-11-13 15:39:06,060 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 [] [2024-11-13 15:39:15,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:39:15,870 INFO L93 Difference]: Finished difference Result 375 states and 444 transitions. [2024-11-13 15:39:15,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:39:15,871 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 211 [2024-11-13 15:39:15,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:39:15,874 INFO L225 Difference]: With dead ends: 375 [2024-11-13 15:39:15,874 INFO L226 Difference]: Without dead ends: 205 [2024-11-13 15:39:15,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:39:15,876 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 107 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 31 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:39:15,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 588 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 548 Invalid, 2 Unknown, 0 Unchecked, 17.5s Time] [2024-11-13 15:39:15,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-13 15:39:15,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 203. [2024-11-13 15:39:15,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 144 states have (on average 1.1527777777777777) internal successors, (166), 146 states have internal predecessors, (166), 38 states have call successors, (38), 19 states have call predecessors, (38), 20 states have return successors, (38), 37 states have call predecessors, (38), 37 states have call successors, (38) [2024-11-13 15:39:15,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 242 transitions. [2024-11-13 15:39:15,891 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 242 transitions. Word has length 211 [2024-11-13 15:39:15,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:39:15,891 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 242 transitions. [2024-11-13 15:39:15,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-13 15:39:15,892 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 242 transitions. [2024-11-13 15:39:15,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-13 15:39:15,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:39:15,894 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-13 15:39:15,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 15:39:15,894 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:39:15,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:39:15,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1633776104, now seen corresponding path program 1 times [2024-11-13 15:39:15,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:39:15,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884822341] [2024-11-13 15:39:15,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:39:15,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:39:25,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:26,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:39:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:26,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:39:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:26,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:39:26,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:26,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:39:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:26,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:39:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:26,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 15:39:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:26,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:39:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:26,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:39:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:26,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 15:39:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:26,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:39:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:27,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 15:39:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:27,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:39:27,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:27,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:39:27,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:27,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:39:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:27,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:39:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:27,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:39:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:27,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 15:39:27,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:27,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:39:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:27,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:39:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:28,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 15:39:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:28,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 15:39:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:28,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:39:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:28,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:39:28,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:28,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:39:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:28,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:39:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:28,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:39:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:28,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:39:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:28,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 15:39:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:28,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-13 15:39:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:28,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:39:28,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:28,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:39:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:28,105 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-13 15:39:28,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:39:28,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884822341] [2024-11-13 15:39:28,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884822341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:39:28,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:39:28,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:39:28,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216665344] [2024-11-13 15:39:28,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:39:28,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:39:28,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:39:28,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:39:28,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:39:28,108 INFO L87 Difference]: Start difference. First operand 203 states and 242 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-13 15:39:32,172 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 [] [2024-11-13 15:39:36,536 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 [] [2024-11-13 15:39:43,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:39:43,726 INFO L93 Difference]: Finished difference Result 373 states and 440 transitions. [2024-11-13 15:39:43,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:39:43,727 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 211 [2024-11-13 15:39:43,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:39:43,729 INFO L225 Difference]: With dead ends: 373 [2024-11-13 15:39:43,729 INFO L226 Difference]: Without dead ends: 203 [2024-11-13 15:39:43,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:39:43,730 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 158 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 79 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2024-11-13 15:39:43,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 407 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 397 Invalid, 2 Unknown, 0 Unchecked, 14.8s Time] [2024-11-13 15:39:43,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-13 15:39:43,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 199. [2024-11-13 15:39:43,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 140 states have (on average 1.15) internal successors, (161), 142 states have internal predecessors, (161), 38 states have call successors, (38), 19 states have call predecessors, (38), 20 states have return successors, (38), 37 states have call predecessors, (38), 37 states have call successors, (38) [2024-11-13 15:39:43,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 237 transitions. [2024-11-13 15:39:43,745 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 237 transitions. Word has length 211 [2024-11-13 15:39:43,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:39:43,746 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 237 transitions. [2024-11-13 15:39:43,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-13 15:39:43,746 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 237 transitions. [2024-11-13 15:39:43,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-13 15:39:43,748 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:39:43,748 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-13 15:39:43,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 15:39:43,749 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:39:43,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:39:43,753 INFO L85 PathProgramCache]: Analyzing trace with hash 2080288001, now seen corresponding path program 1 times [2024-11-13 15:39:43,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:39:43,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14534942] [2024-11-13 15:39:43,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:39:43,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:39:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:53,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:39:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:53,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:39:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:53,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:39:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:53,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:39:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:53,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:39:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:53,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 15:39:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:53,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:39:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:53,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:39:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:53,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 15:39:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:54,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:39:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:55,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 15:39:55,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:55,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:39:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:55,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:39:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:55,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:39:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:55,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:39:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:55,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:39:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:55,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 15:39:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:55,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:39:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:55,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:39:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:55,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 15:39:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:55,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 15:39:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:55,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:39:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:55,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:39:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:55,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:39:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:55,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:39:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:55,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:39:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:55,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:39:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:55,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 15:39:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:55,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-13 15:39:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:55,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:39:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:55,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:39:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:55,684 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-13 15:39:55,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:39:55,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14534942] [2024-11-13 15:39:55,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14534942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:39:55,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:39:55,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 15:39:55,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895216756] [2024-11-13 15:39:55,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:39:55,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:39:55,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:39:55,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:39:55,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:39:55,687 INFO L87 Difference]: Start difference. First operand 199 states and 237 transitions. Second operand has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 7 states have internal predecessors, (105), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-13 15:39:59,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:40:04,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:40:14,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:40:14,030 INFO L93 Difference]: Finished difference Result 378 states and 447 transitions. [2024-11-13 15:40:14,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:40:14,031 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 7 states have internal predecessors, (105), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 212 [2024-11-13 15:40:14,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:40:14,032 INFO L225 Difference]: With dead ends: 378 [2024-11-13 15:40:14,032 INFO L226 Difference]: Without dead ends: 207 [2024-11-13 15:40:14,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:40:14,033 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 107 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 34 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:40:14,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 610 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 527 Invalid, 2 Unknown, 0 Unchecked, 17.3s Time] [2024-11-13 15:40:14,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-13 15:40:14,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2024-11-13 15:40:14,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 148 states have (on average 1.1418918918918919) internal successors, (169), 150 states have internal predecessors, (169), 38 states have call successors, (38), 19 states have call predecessors, (38), 20 states have return successors, (38), 37 states have call predecessors, (38), 37 states have call successors, (38) [2024-11-13 15:40:14,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 245 transitions. [2024-11-13 15:40:14,049 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 245 transitions. Word has length 212 [2024-11-13 15:40:14,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:40:14,049 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 245 transitions. [2024-11-13 15:40:14,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 7 states have internal predecessors, (105), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-13 15:40:14,049 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 245 transitions. [2024-11-13 15:40:14,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-13 15:40:14,051 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:40:14,051 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-13 15:40:14,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 15:40:14,052 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:40:14,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:40:14,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1547297405, now seen corresponding path program 1 times [2024-11-13 15:40:14,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:40:14,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109853328] [2024-11-13 15:40:14,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:40:14,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:40:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:24,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:40:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:24,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:40:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:24,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:40:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:24,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:40:24,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:24,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:40:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:24,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 15:40:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:24,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:40:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:24,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:40:24,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:24,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 15:40:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:24,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:40:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:25,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 15:40:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:25,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:40:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:25,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:40:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:25,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:40:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:25,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:40:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:25,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:40:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:25,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 15:40:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:25,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:40:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:25,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:40:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:25,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 15:40:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:25,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 15:40:25,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:25,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:40:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:25,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:40:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:25,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:40:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:25,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:40:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:25,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:40:25,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:25,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:40:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:25,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 15:40:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:25,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-13 15:40:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:25,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:40:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:25,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:40:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:25,601 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-13 15:40:25,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:40:25,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109853328] [2024-11-13 15:40:25,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109853328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:40:25,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:40:25,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:40:25,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611437880] [2024-11-13 15:40:25,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:40:25,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:40:25,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:40:25,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:40:25,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:40:25,604 INFO L87 Difference]: Start difference. First operand 207 states and 245 transitions. Second operand has 6 states, 6 states have (on average 17.5) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-13 15:40:29,669 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 [] [2024-11-13 15:40:34,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:40:41,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:40:41,927 INFO L93 Difference]: Finished difference Result 373 states and 437 transitions. [2024-11-13 15:40:41,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:40:41,928 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 212 [2024-11-13 15:40:41,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:40:41,930 INFO L225 Difference]: With dead ends: 373 [2024-11-13 15:40:41,930 INFO L226 Difference]: Without dead ends: 207 [2024-11-13 15:40:41,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:40:41,932 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 103 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 37 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2024-11-13 15:40:41,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 441 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 443 Invalid, 2 Unknown, 0 Unchecked, 15.8s Time] [2024-11-13 15:40:41,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-13 15:40:41,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2024-11-13 15:40:41,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 148 states have (on average 1.135135135135135) internal successors, (168), 150 states have internal predecessors, (168), 38 states have call successors, (38), 19 states have call predecessors, (38), 20 states have return successors, (38), 37 states have call predecessors, (38), 37 states have call successors, (38) [2024-11-13 15:40:41,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 244 transitions. [2024-11-13 15:40:41,949 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 244 transitions. Word has length 212 [2024-11-13 15:40:41,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:40:41,950 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 244 transitions. [2024-11-13 15:40:41,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-13 15:40:41,950 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 244 transitions. [2024-11-13 15:40:41,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-13 15:40:41,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:40:41,952 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-13 15:40:41,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 15:40:41,953 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:40:41,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:40:41,953 INFO L85 PathProgramCache]: Analyzing trace with hash -911272653, now seen corresponding path program 1 times [2024-11-13 15:40:41,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:40:41,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461310066] [2024-11-13 15:40:41,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:40:41,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:40:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:53,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:40:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:53,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:40:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:53,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:40:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:53,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:40:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:53,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:40:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:53,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 15:40:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:53,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:40:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:53,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:40:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:53,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 15:40:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:53,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:40:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:55,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 15:40:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:55,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:40:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:55,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:40:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:55,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:40:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:55,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:40:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:55,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:40:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:55,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 15:40:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:55,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:40:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:55,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:40:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:55,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 15:40:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:55,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 15:40:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:55,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:40:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:55,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:40:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:55,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:40:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:55,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:40:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:55,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:40:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:55,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:40:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:55,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 15:40:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:55,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-13 15:40:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:55,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:40:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:55,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:40:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:40:55,968 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-13 15:40:55,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:40:55,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461310066] [2024-11-13 15:40:55,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461310066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:40:55,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:40:55,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 15:40:55,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094494836] [2024-11-13 15:40:55,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:40:55,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 15:40:55,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:40:55,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 15:40:55,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:40:55,970 INFO L87 Difference]: Start difference. First operand 207 states and 244 transitions. Second operand has 10 states, 10 states have (on average 10.6) internal successors, (106), 8 states have internal predecessors, (106), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-13 15:41:00,041 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 [] [2024-11-13 15:41:04,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:41:16,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:41:16,292 INFO L93 Difference]: Finished difference Result 373 states and 436 transitions. [2024-11-13 15:41:16,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 15:41:16,293 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.6) internal successors, (106), 8 states have internal predecessors, (106), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 213 [2024-11-13 15:41:16,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:41:16,295 INFO L225 Difference]: With dead ends: 373 [2024-11-13 15:41:16,296 INFO L226 Difference]: Without dead ends: 210 [2024-11-13 15:41:16,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-13 15:41:16,299 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 109 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 33 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:41:16,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 716 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 645 Invalid, 2 Unknown, 0 Unchecked, 18.9s Time] [2024-11-13 15:41:16,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-13 15:41:16,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2024-11-13 15:41:16,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 151 states have (on average 1.1324503311258278) internal successors, (171), 153 states have internal predecessors, (171), 38 states have call successors, (38), 19 states have call predecessors, (38), 20 states have return successors, (38), 37 states have call predecessors, (38), 37 states have call successors, (38) [2024-11-13 15:41:16,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 247 transitions. [2024-11-13 15:41:16,315 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 247 transitions. Word has length 213 [2024-11-13 15:41:16,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:41:16,315 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 247 transitions. [2024-11-13 15:41:16,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.6) internal successors, (106), 8 states have internal predecessors, (106), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-13 15:41:16,316 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 247 transitions. [2024-11-13 15:41:16,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-13 15:41:16,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:41:16,318 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-13 15:41:16,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 15:41:16,318 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:41:16,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:41:16,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1697270543, now seen corresponding path program 1 times [2024-11-13 15:41:16,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:41:16,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435308695] [2024-11-13 15:41:16,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:41:16,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:41:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:30,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:41:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:30,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:41:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:30,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:41:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:30,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:41:30,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:30,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:41:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:30,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 15:41:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:30,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:41:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:30,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:41:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:30,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 15:41:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:30,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:41:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:31,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 15:41:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:31,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:41:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:31,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:41:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:31,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:41:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:31,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:41:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:31,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:41:31,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:31,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 15:41:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:31,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:41:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:31,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:41:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:31,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 15:41:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:31,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 15:41:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:31,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:41:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:31,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:41:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:31,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:41:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:31,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:41:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:31,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:41:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:31,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:41:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:31,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 15:41:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:31,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-13 15:41:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:31,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:41:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:31,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:41:31,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:31,782 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-13 15:41:31,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:41:31,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435308695] [2024-11-13 15:41:31,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435308695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:41:31,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:41:31,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:41:31,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472704823] [2024-11-13 15:41:31,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:41:31,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:41:31,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:41:31,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:41:31,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:41:31,785 INFO L87 Difference]: Start difference. First operand 210 states and 247 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-13 15:41:35,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:41:40,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:41:48,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:41:48,796 INFO L93 Difference]: Finished difference Result 372 states and 433 transitions. [2024-11-13 15:41:48,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:41:48,796 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 213 [2024-11-13 15:41:48,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:41:48,798 INFO L225 Difference]: With dead ends: 372 [2024-11-13 15:41:48,798 INFO L226 Difference]: Without dead ends: 210 [2024-11-13 15:41:48,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 64 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:41:48,799 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 156 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 73 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:41:48,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 506 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 507 Invalid, 2 Unknown, 0 Unchecked, 16.2s Time] [2024-11-13 15:41:48,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-13 15:41:48,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2024-11-13 15:41:48,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 151 states have (on average 1.1258278145695364) internal successors, (170), 153 states have internal predecessors, (170), 38 states have call successors, (38), 19 states have call predecessors, (38), 20 states have return successors, (38), 37 states have call predecessors, (38), 37 states have call successors, (38) [2024-11-13 15:41:48,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 246 transitions. [2024-11-13 15:41:48,808 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 246 transitions. Word has length 213 [2024-11-13 15:41:48,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:41:48,808 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 246 transitions. [2024-11-13 15:41:48,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-13 15:41:48,809 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 246 transitions. [2024-11-13 15:41:48,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-13 15:41:48,810 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:41:48,811 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-13 15:41:48,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-13 15:41:48,811 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:41:48,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:41:48,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1846736634, now seen corresponding path program 1 times [2024-11-13 15:41:48,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:41:48,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136584439] [2024-11-13 15:41:48,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:41:48,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:41:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:00,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:42:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:00,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:42:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:00,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:42:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:00,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:42:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:00,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:42:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:00,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 15:42:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:00,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:42:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:00,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:42:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:00,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 15:42:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:00,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:42:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:02,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 15:42:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:02,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:42:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:02,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:42:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:02,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:42:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:02,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:42:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:02,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:42:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:02,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 15:42:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:02,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:42:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:02,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:42:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:02,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 15:42:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:02,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 15:42:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:02,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:42:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:02,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:42:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:02,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:42:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:02,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:42:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:02,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:42:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:03,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:42:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:03,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 15:42:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:03,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-13 15:42:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:03,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:42:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:03,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:42:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:03,043 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-13 15:42:03,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:42:03,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136584439] [2024-11-13 15:42:03,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136584439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:42:03,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:42:03,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 15:42:03,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158066869] [2024-11-13 15:42:03,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:42:03,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 15:42:03,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:42:03,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 15:42:03,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-13 15:42:03,045 INFO L87 Difference]: Start difference. First operand 210 states and 246 transitions. Second operand has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 9 states have internal predecessors, (107), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-13 15:42:07,114 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 [] [2024-11-13 15:42:11,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:42:26,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:42:26,926 INFO L93 Difference]: Finished difference Result 372 states and 432 transitions. [2024-11-13 15:42:26,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 15:42:26,927 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 9 states have internal predecessors, (107), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 214 [2024-11-13 15:42:26,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:42:26,928 INFO L225 Difference]: With dead ends: 372 [2024-11-13 15:42:26,928 INFO L226 Difference]: Without dead ends: 213 [2024-11-13 15:42:26,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-13 15:42:26,930 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 111 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 33 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 912 SdHoareTripleChecker+Invalid, 924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:42:26,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 912 Invalid, 924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 889 Invalid, 2 Unknown, 0 Unchecked, 22.1s Time] [2024-11-13 15:42:26,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-13 15:42:26,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2024-11-13 15:42:26,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 154 states have (on average 1.1233766233766234) internal successors, (173), 156 states have internal predecessors, (173), 38 states have call successors, (38), 19 states have call predecessors, (38), 20 states have return successors, (38), 37 states have call predecessors, (38), 37 states have call successors, (38) [2024-11-13 15:42:26,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 249 transitions. [2024-11-13 15:42:26,946 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 249 transitions. Word has length 214 [2024-11-13 15:42:26,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:42:26,946 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 249 transitions. [2024-11-13 15:42:26,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 9 states have internal predecessors, (107), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-13 15:42:26,947 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 249 transitions. [2024-11-13 15:42:26,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-13 15:42:26,948 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:42:26,949 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-13 15:42:26,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 15:42:26,949 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:42:26,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:42:26,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1044361476, now seen corresponding path program 1 times [2024-11-13 15:42:26,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:42:26,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867441987] [2024-11-13 15:42:26,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:42:26,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:42:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:40,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:42:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:40,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:42:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:40,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:42:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:40,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:42:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:40,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:42:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:40,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 15:42:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:40,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:42:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:40,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:42:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:40,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 15:42:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:40,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:42:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:41,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 15:42:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:41,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:42:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:42,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:42:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:42,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:42:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:42,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:42:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:42,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:42:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:42,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 15:42:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:42,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:42:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:42,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:42:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:42,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 15:42:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:42,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 15:42:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:42,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:42:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:42,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:42:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:42,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:42:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:42,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:42:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:42,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:42:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:42,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:42:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:42,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 15:42:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:42,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-13 15:42:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:42,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:42:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:42,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:42:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:42,365 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-13 15:42:42,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:42:42,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867441987] [2024-11-13 15:42:42,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867441987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:42:42,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:42:42,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:42:42,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279549530] [2024-11-13 15:42:42,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:42:42,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:42:42,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:42:42,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:42:42,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:42:42,367 INFO L87 Difference]: Start difference. First operand 213 states and 249 transitions. Second operand has 8 states, 8 states have (on average 13.375) internal successors, (107), 6 states have internal predecessors, (107), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-13 15:42:46,426 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 [] [2024-11-13 15:42:50,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:43:02,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:43:02,987 INFO L93 Difference]: Finished difference Result 371 states and 429 transitions. [2024-11-13 15:43:02,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:43:02,988 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.375) internal successors, (107), 6 states have internal predecessors, (107), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 214 [2024-11-13 15:43:02,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:43:02,991 INFO L225 Difference]: With dead ends: 371 [2024-11-13 15:43:02,991 INFO L226 Difference]: Without dead ends: 213 [2024-11-13 15:43:02,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 64 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:43:02,996 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 101 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 37 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:43:02,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 635 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 685 Invalid, 2 Unknown, 0 Unchecked, 19.5s Time] [2024-11-13 15:43:02,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-13 15:43:03,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2024-11-13 15:43:03,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 154 states have (on average 1.1168831168831168) internal successors, (172), 156 states have internal predecessors, (172), 38 states have call successors, (38), 19 states have call predecessors, (38), 20 states have return successors, (38), 37 states have call predecessors, (38), 37 states have call successors, (38) [2024-11-13 15:43:03,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 248 transitions. [2024-11-13 15:43:03,013 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 248 transitions. Word has length 214 [2024-11-13 15:43:03,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:43:03,013 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 248 transitions. [2024-11-13 15:43:03,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.375) internal successors, (107), 6 states have internal predecessors, (107), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-13 15:43:03,014 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 248 transitions. [2024-11-13 15:43:03,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-13 15:43:03,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:43:03,016 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-13 15:43:03,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-13 15:43:03,016 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:43:03,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:43:03,017 INFO L85 PathProgramCache]: Analyzing trace with hash 141700108, now seen corresponding path program 1 times [2024-11-13 15:43:03,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:43:03,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295620615] [2024-11-13 15:43:03,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:43:03,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:43:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:13,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:43:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:13,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:43:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:13,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:43:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:13,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:43:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:13,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:43:13,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:13,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 15:43:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:13,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:43:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:13,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:43:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:13,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 15:43:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:13,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:43:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:16,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 15:43:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:16,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:43:16,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:16,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:43:16,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:16,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:43:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:16,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:43:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:16,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:43:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:16,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 15:43:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:16,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:43:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:16,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:43:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:17,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 15:43:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:17,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 15:43:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:17,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:43:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:17,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:43:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:17,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:43:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:17,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:43:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:17,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:43:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:17,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:43:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:17,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 15:43:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:17,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-13 15:43:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:17,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:43:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:17,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:43:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:17,099 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-13 15:43:17,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:43:17,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295620615] [2024-11-13 15:43:17,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295620615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:43:17,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:43:17,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-13 15:43:17,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120108344] [2024-11-13 15:43:17,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:43:17,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 15:43:17,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:43:17,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 15:43:17,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-13 15:43:17,101 INFO L87 Difference]: Start difference. First operand 213 states and 248 transitions. Second operand has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 12 states have internal predecessors, (108), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-13 15:43:21,195 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 [] [2024-11-13 15:43:25,620 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 [] [2024-11-13 15:43:47,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:43:47,143 INFO L93 Difference]: Finished difference Result 373 states and 431 transitions. [2024-11-13 15:43:47,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 15:43:47,144 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 12 states have internal predecessors, (108), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 215 [2024-11-13 15:43:47,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:43:47,145 INFO L225 Difference]: With dead ends: 373 [2024-11-13 15:43:47,146 INFO L226 Difference]: Without dead ends: 218 [2024-11-13 15:43:47,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=74, Invalid=432, Unknown=0, NotChecked=0, Total=506 [2024-11-13 15:43:47,147 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 119 mSDsluCounter, 890 mSDsCounter, 0 mSdLazyCounter, 1241 mSolverCounterSat, 44 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 1015 SdHoareTripleChecker+Invalid, 1287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1241 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:43:47,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 1015 Invalid, 1287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1241 Invalid, 2 Unknown, 0 Unchecked, 27.0s Time] [2024-11-13 15:43:47,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-13 15:43:47,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2024-11-13 15:43:47,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 159 states have (on average 1.1132075471698113) internal successors, (177), 161 states have internal predecessors, (177), 38 states have call successors, (38), 19 states have call predecessors, (38), 20 states have return successors, (38), 37 states have call predecessors, (38), 37 states have call successors, (38) [2024-11-13 15:43:47,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 253 transitions. [2024-11-13 15:43:47,168 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 253 transitions. Word has length 215 [2024-11-13 15:43:47,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:43:47,168 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 253 transitions. [2024-11-13 15:43:47,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 12 states have internal predecessors, (108), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-13 15:43:47,169 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 253 transitions. [2024-11-13 15:43:47,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-13 15:43:47,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:43:47,171 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-13 15:43:47,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-13 15:43:47,172 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:43:47,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:43:47,172 INFO L85 PathProgramCache]: Analyzing trace with hash 711971914, now seen corresponding path program 1 times [2024-11-13 15:43:47,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:43:47,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235021337] [2024-11-13 15:43:47,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:43:47,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:43:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:00,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:44:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:00,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:44:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:00,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:44:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:00,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:44:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:00,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:44:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:00,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 15:44:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:00,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:44:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:00,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:44:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:00,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 15:44:00,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:00,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:44:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:02,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 15:44:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:02,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:44:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:02,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:44:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:02,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:44:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:02,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:44:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:03,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:44:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:03,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 15:44:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:03,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:44:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:03,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:44:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:03,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 15:44:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:03,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 15:44:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:03,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:44:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:03,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:44:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:03,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:44:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:03,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:44:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:03,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:44:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:03,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:44:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:03,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 15:44:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:03,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-13 15:44:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:03,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:44:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:03,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:44:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:03,117 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-13 15:44:03,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:03,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235021337] [2024-11-13 15:44:03,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235021337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:03,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:03,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 15:44:03,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123692745] [2024-11-13 15:44:03,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:03,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 15:44:03,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:03,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 15:44:03,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:44:03,119 INFO L87 Difference]: Start difference. First operand 218 states and 253 transitions. Second operand has 10 states, 10 states have (on average 10.8) internal successors, (108), 8 states have internal predecessors, (108), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-13 15:44:07,184 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 [] [2024-11-13 15:44:11,604 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 []