./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 2e69d0ba5182ea14058c8293e8c1aea9ca71843fb723868a6419c81ddb81574e --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:18:00,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:18:00,347 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:18:00,350 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:18:00,351 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:18:00,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:18:00,368 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:18:00,368 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:18:00,368 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:18:00,369 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:18:00,369 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:18:00,370 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:18:00,370 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:18:00,370 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:18:00,370 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:18:00,371 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:18:00,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:18:00,371 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:18:00,371 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:18:00,371 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:18:00,371 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:18:00,371 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:18:00,371 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:18:00,371 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:18:00,371 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:18:00,371 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:18:00,371 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:18:00,371 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:18:00,371 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:18:00,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:18:00,371 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:18:00,371 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:18:00,372 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:18:00,372 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:18:00,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:18:00,372 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:18:00,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:18:00,372 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:18:00,372 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:18:00,372 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:18:00,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:18:00,372 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:18:00,372 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:18:00,372 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:18:00,372 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:18:00,372 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 -> 2e69d0ba5182ea14058c8293e8c1aea9ca71843fb723868a6419c81ddb81574e [2025-01-09 17:18:00,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:18:00,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:18:00,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:18:00,629 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:18:00,629 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:18:00,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness_negated.i [2025-01-09 17:18:01,779 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/75029ae7f/760950dc337e47e0b2149094404e80b3/FLAG4b7d312d5 [2025-01-09 17:18:02,355 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:18:02,357 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness_negated.i [2025-01-09 17:18:02,403 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/75029ae7f/760950dc337e47e0b2149094404e80b3/FLAG4b7d312d5 [2025-01-09 17:18:02,860 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/75029ae7f/760950dc337e47e0b2149094404e80b3 [2025-01-09 17:18:02,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:18:02,863 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:18:02,864 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:18:02,864 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:18:02,867 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:18:02,868 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:18:02" (1/1) ... [2025-01-09 17:18:02,868 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@565cfb99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:02, skipping insertion in model container [2025-01-09 17:18:02,868 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:18:02" (1/1) ... [2025-01-09 17:18:02,934 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:18:03,196 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness_negated.i[4496,4509] [2025-01-09 17:18:03,207 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness_negated.i[4556,4569] [2025-01-09 17:18:04,312 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:04,313 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:04,313 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:04,314 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:04,315 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:04,323 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:04,324 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:04,325 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:04,326 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:04,327 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:04,328 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:04,328 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:04,328 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:04,948 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:04,950 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:04,976 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:04,978 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:04,983 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:04,985 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,001 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,002 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,002 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,003 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,003 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,004 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,004 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,036 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness_negated.i[227893,227906] [2025-01-09 17:18:05,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:18:05,062 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:18:05,072 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness_negated.i[4496,4509] [2025-01-09 17:18:05,072 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness_negated.i[4556,4569] [2025-01-09 17:18:05,097 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,098 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,098 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,098 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,098 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,105 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,106 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,108 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,108 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,109 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,110 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,110 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,110 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2025-01-09 17:18:05,281 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,281 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,286 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,287 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,289 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,289 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,296 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,297 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,297 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,298 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,298 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,299 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,299 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:05,313 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness_negated.i[227893,227906] [2025-01-09 17:18:05,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:18:05,453 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:18:05,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:05 WrapperNode [2025-01-09 17:18:05,454 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:18:05,455 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:18:05,456 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:18:05,456 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:18:05,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:05" (1/1) ... [2025-01-09 17:18:05,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:05" (1/1) ... [2025-01-09 17:18:05,573 INFO L138 Inliner]: procedures = 764, calls = 2430, calls flagged for inlining = 70, calls inlined = 18, statements flattened = 967 [2025-01-09 17:18:05,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:18:05,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:18:05,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:18:05,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:18:05,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:05" (1/1) ... [2025-01-09 17:18:05,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:05" (1/1) ... [2025-01-09 17:18:05,592 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:05" (1/1) ... [2025-01-09 17:18:05,677 INFO L175 MemorySlicer]: Split 377 memory accesses to 7 slices as follows [44, 2, 249, 2, 2, 73, 5]. 66 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [0, 2, 6, 0, 0, 9, 5]. The 257 writes are split as follows [8, 0, 233, 1, 1, 14, 0]. [2025-01-09 17:18:05,677 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:05" (1/1) ... [2025-01-09 17:18:05,677 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:05" (1/1) ... [2025-01-09 17:18:05,710 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:05" (1/1) ... [2025-01-09 17:18:05,715 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:05" (1/1) ... [2025-01-09 17:18:05,722 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:05" (1/1) ... [2025-01-09 17:18:05,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:05" (1/1) ... [2025-01-09 17:18:05,744 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:05" (1/1) ... [2025-01-09 17:18:05,759 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:18:05,764 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:18:05,764 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:18:05,764 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:18:05,765 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:05" (1/1) ... [2025-01-09 17:18:05,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:18:05,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:18:05,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 17:18:05,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 17:18:05,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-01-09 17:18:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 17:18:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:18:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-01-09 17:18:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-01-09 17:18:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:18:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:18:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:18:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:18:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:18:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:18:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 17:18:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-01-09 17:18:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-01-09 17:18:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-01-09 17:18:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-01-09 17:18:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:18:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:18:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:18:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:18:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-01-09 17:18:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-01-09 17:18:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:18:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:18:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:18:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:18:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:18:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:18:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 17:18:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure s_get_next_element [2025-01-09 17:18:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure s_get_next_element [2025-01-09 17:18:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-09 17:18:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-09 17:18:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-09 17:18:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-01-09 17:18:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-01-09 17:18:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-01-09 17:18:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-01-09 17:18:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-09 17:18:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-09 17:18:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-09 17:18:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-01-09 17:18:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-01-09 17:18:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-01-09 17:18:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-01-09 17:18:05,813 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:18:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_int [2025-01-09 17:18:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_int [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2025-01-09 17:18:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-01-09 17:18:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-01-09 17:18:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-01-09 17:18:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-01-09 17:18:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:18:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2025-01-09 17:18:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 17:18:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-01-09 17:18:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-01-09 17:18:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:18:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:18:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:18:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:18:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:18:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:18:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 17:18:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-01-09 17:18:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-01-09 17:18:06,128 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:18:06,130 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:18:06,320 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-09 17:18:06,322 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-09 17:18:06,396 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2025-01-09 17:18:06,397 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2025-01-09 17:18:06,397 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2025-01-09 17:18:06,397 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2025-01-09 17:18:06,525 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-09 17:18:12,099 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2025-01-09 17:18:12,100 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2025-01-09 17:18:12,191 INFO L? ?]: Removed 285 outVars from TransFormulas that were not future-live. [2025-01-09 17:18:12,191 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:18:12,211 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:18:12,214 INFO L312 CfgBuilder]: Removed 7 assume(true) statements. [2025-01-09 17:18:12,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:18:12 BoogieIcfgContainer [2025-01-09 17:18:12,215 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:18:12,217 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:18:12,217 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:18:12,221 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:18:12,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:18:02" (1/3) ... [2025-01-09 17:18:12,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a0d069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:18:12, skipping insertion in model container [2025-01-09 17:18:12,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:05" (2/3) ... [2025-01-09 17:18:12,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a0d069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:18:12, skipping insertion in model container [2025-01-09 17:18:12,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:18:12" (3/3) ... [2025-01-09 17:18:12,223 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_foreach_harness_negated.i [2025-01-09 17:18:12,234 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:18:12,237 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_foreach_harness_negated.i that has 29 procedures, 325 locations, 1 initial locations, 15 loop locations, and 1 error locations. [2025-01-09 17:18:12,288 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:18:12,298 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;@213af488, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:18:12,298 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:18:12,302 INFO L276 IsEmpty]: Start isEmpty. Operand has 305 states, 203 states have (on average 1.2857142857142858) internal successors, (261), 200 states have internal predecessors, (261), 81 states have call successors, (81), 23 states have call predecessors, (81), 23 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2025-01-09 17:18:12,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-01-09 17:18:12,313 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:18:12,313 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:18:12,314 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:18:12,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:18:12,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1280568505, now seen corresponding path program 1 times [2025-01-09 17:18:12,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:18:12,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781776293] [2025-01-09 17:18:12,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:12,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:18:16,858 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-01-09 17:18:17,149 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-01-09 17:18:17,149 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:17,150 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:17,591 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2025-01-09 17:18:17,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:18:17,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781776293] [2025-01-09 17:18:17,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781776293] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:18:17,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570643936] [2025-01-09 17:18:17,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:17,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:18:17,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:18:17,596 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:18:17,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 17:18:22,070 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-01-09 17:18:22,601 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-01-09 17:18:22,601 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:22,601 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:22,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 4359 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 17:18:22,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:18:22,656 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2025-01-09 17:18:22,656 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:18:22,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570643936] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:18:22,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:18:22,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 17:18:22,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200010145] [2025-01-09 17:18:22,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:18:22,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 17:18:22,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:18:22,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 17:18:22,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 17:18:22,678 INFO L87 Difference]: Start difference. First operand has 305 states, 203 states have (on average 1.2857142857142858) internal successors, (261), 200 states have internal predecessors, (261), 81 states have call successors, (81), 23 states have call predecessors, (81), 23 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 17:18:22,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:18:22,726 INFO L93 Difference]: Finished difference Result 601 states and 899 transitions. [2025-01-09 17:18:22,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 17:18:22,728 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 121 [2025-01-09 17:18:22,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:18:22,735 INFO L225 Difference]: With dead ends: 601 [2025-01-09 17:18:22,735 INFO L226 Difference]: Without dead ends: 299 [2025-01-09 17:18:22,740 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 17:18:22,742 INFO L435 NwaCegarLoop]: 410 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 17:18:22,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 17:18:22,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2025-01-09 17:18:22,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2025-01-09 17:18:22,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 194 states have (on average 1.2577319587628866) internal successors, (244), 195 states have internal predecessors, (244), 81 states have call successors, (81), 23 states have call predecessors, (81), 23 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2025-01-09 17:18:22,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 405 transitions. [2025-01-09 17:18:22,795 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 405 transitions. Word has length 121 [2025-01-09 17:18:22,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:18:22,795 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 405 transitions. [2025-01-09 17:18:22,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 17:18:22,796 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 405 transitions. [2025-01-09 17:18:22,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-01-09 17:18:22,799 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:18:22,799 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:18:22,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-09 17:18:23,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 17:18:23,001 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:18:23,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:18:23,001 INFO L85 PathProgramCache]: Analyzing trace with hash -59348988, now seen corresponding path program 1 times [2025-01-09 17:18:23,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:18:23,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625159529] [2025-01-09 17:18:23,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:23,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:18:26,818 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-01-09 17:18:26,924 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-01-09 17:18:26,926 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:26,926 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:27,931 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2025-01-09 17:18:27,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:18:27,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625159529] [2025-01-09 17:18:27,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625159529] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:18:27,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 17:18:27,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 17:18:27,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4832670] [2025-01-09 17:18:27,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:18:27,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 17:18:27,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:18:27,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 17:18:27,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 17:18:27,934 INFO L87 Difference]: Start difference. First operand 299 states and 405 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 17:18:28,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:18:28,136 INFO L93 Difference]: Finished difference Result 558 states and 763 transitions. [2025-01-09 17:18:28,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 17:18:28,136 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 127 [2025-01-09 17:18:28,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:18:28,140 INFO L225 Difference]: With dead ends: 558 [2025-01-09 17:18:28,140 INFO L226 Difference]: Without dead ends: 304 [2025-01-09 17:18:28,141 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 17:18:28,141 INFO L435 NwaCegarLoop]: 402 mSDtfsCounter, 0 mSDsluCounter, 1202 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1604 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 17:18:28,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1604 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 17:18:28,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2025-01-09 17:18:28,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2025-01-09 17:18:28,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 198 states have (on average 1.2525252525252526) internal successors, (248), 199 states have internal predecessors, (248), 81 states have call successors, (81), 23 states have call predecessors, (81), 24 states have return successors, (81), 81 states have call predecessors, (81), 80 states have call successors, (81) [2025-01-09 17:18:28,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 410 transitions. [2025-01-09 17:18:28,162 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 410 transitions. Word has length 127 [2025-01-09 17:18:28,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:18:28,163 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 410 transitions. [2025-01-09 17:18:28,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 17:18:28,163 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 410 transitions. [2025-01-09 17:18:28,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-01-09 17:18:28,165 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:18:28,165 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:18:28,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 17:18:28,166 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:18:28,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:18:28,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1074098298, now seen corresponding path program 1 times [2025-01-09 17:18:28,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:18:28,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311390136] [2025-01-09 17:18:28,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:28,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:18:32,166 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-01-09 17:18:32,301 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-01-09 17:18:32,302 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:32,302 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:35,820 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2025-01-09 17:18:35,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:18:35,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311390136] [2025-01-09 17:18:35,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311390136] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:18:35,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269510481] [2025-01-09 17:18:35,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:35,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:18:35,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:18:35,825 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:18:35,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 17:18:40,143 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-01-09 17:18:40,621 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-01-09 17:18:40,621 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:40,621 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:40,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 4388 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 17:18:40,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:18:44,419 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2025-01-09 17:18:44,419 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 17:18:48,222 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2025-01-09 17:18:48,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269510481] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-09 17:18:48,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-01-09 17:18:48,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10, 8] total 21 [2025-01-09 17:18:48,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140356403] [2025-01-09 17:18:48,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:18:48,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 17:18:48,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:18:48,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 17:18:48,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-01-09 17:18:48,228 INFO L87 Difference]: Start difference. First operand 304 states and 410 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 7 states have internal predecessors, (58), 5 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2025-01-09 17:18:51,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:18:51,744 INFO L93 Difference]: Finished difference Result 551 states and 770 transitions. [2025-01-09 17:18:51,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 17:18:51,744 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 7 states have internal predecessors, (58), 5 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) Word has length 133 [2025-01-09 17:18:51,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:18:51,750 INFO L225 Difference]: With dead ends: 551 [2025-01-09 17:18:51,750 INFO L226 Difference]: Without dead ends: 325 [2025-01-09 17:18:51,751 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 254 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2025-01-09 17:18:51,752 INFO L435 NwaCegarLoop]: 366 mSDtfsCounter, 433 mSDsluCounter, 1458 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 1824 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2025-01-09 17:18:51,752 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 1824 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2025-01-09 17:18:51,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2025-01-09 17:18:51,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 319. [2025-01-09 17:18:51,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 206 states have (on average 1.2524271844660195) internal successors, (258), 208 states have internal predecessors, (258), 86 states have call successors, (86), 24 states have call predecessors, (86), 26 states have return successors, (93), 86 states have call predecessors, (93), 85 states have call successors, (93) [2025-01-09 17:18:51,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 437 transitions. [2025-01-09 17:18:51,785 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 437 transitions. Word has length 133 [2025-01-09 17:18:51,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:18:51,786 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 437 transitions. [2025-01-09 17:18:51,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 7 states have internal predecessors, (58), 5 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2025-01-09 17:18:51,786 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 437 transitions. [2025-01-09 17:18:51,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-01-09 17:18:51,789 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:18:51,789 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:18:51,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-09 17:18:51,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:18:51,989 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:18:51,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:18:51,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1037970320, now seen corresponding path program 1 times [2025-01-09 17:18:51,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:18:51,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349807194] [2025-01-09 17:18:51,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:51,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:18:56,129 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-01-09 17:18:56,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-01-09 17:18:56,220 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:56,220 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:59,628 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2025-01-09 17:18:59,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:18:59,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349807194] [2025-01-09 17:18:59,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349807194] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:18:59,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276969152] [2025-01-09 17:18:59,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:59,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:18:59,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:18:59,632 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:18:59,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-09 17:19:04,346 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-01-09 17:19:04,780 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-01-09 17:19:04,780 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:19:04,781 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:19:04,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 4393 conjuncts, 46 conjuncts are in the unsatisfiable core [2025-01-09 17:19:04,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:19:05,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-01-09 17:19:08,992 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2025-01-09 17:19:08,993 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:19:08,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276969152] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:19:08,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:19:08,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [10] total 16 [2025-01-09 17:19:08,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79448207] [2025-01-09 17:19:08,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:19:08,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-09 17:19:08,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:19:08,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-09 17:19:08,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2025-01-09 17:19:08,994 INFO L87 Difference]: Start difference. First operand 319 states and 437 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 5 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) [2025-01-09 17:19:13,060 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 [0] [2025-01-09 17:19:17,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-01-09 17:19:21,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 17:19:26,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 17:19:30,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-01-09 17:19:35,332 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 [0]