./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 c00e63dc 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-?-c00e63d-m [2025-02-06 05:12:34,339 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:12:34,390 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:12:34,394 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:12:34,394 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:12:34,407 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:12:34,407 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:12:34,407 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:12:34,408 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:12:34,408 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:12:34,408 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:12:34,408 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:12:34,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:12:34,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:12:34,409 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:12:34,409 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:12:34,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:12:34,410 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:12:34,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:12:34,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:12:34,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:12:34,410 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:12:34,410 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:12:34,410 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:12:34,410 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:12:34,411 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:12:34,411 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:12:34,411 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:12:34,411 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:12:34,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:12:34,411 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:12:34,411 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:12:34,411 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:12:34,411 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:12:34,412 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:12:34,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:12:34,412 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:12:34,412 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:12:34,412 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:12:34,412 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:12:34,412 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 [2025-02-06 05:12:34,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:12:34,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:12:34,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:12:34,648 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:12:34,648 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:12:34,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness_negated.i [2025-02-06 05:12:35,864 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d8fd3086d/04f06f75ed4c429a8c44c716fdf667ce/FLAGce8d7a89c [2025-02-06 05:12:36,383 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:12:36,385 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness_negated.i [2025-02-06 05:12:36,429 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d8fd3086d/04f06f75ed4c429a8c44c716fdf667ce/FLAGce8d7a89c [2025-02-06 05:12:36,445 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d8fd3086d/04f06f75ed4c429a8c44c716fdf667ce [2025-02-06 05:12:36,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:12:36,449 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:12:36,451 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:12:36,451 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:12:36,454 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:12:36,455 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:12:36" (1/1) ... [2025-02-06 05:12:36,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@725b6d85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:12:36, skipping insertion in model container [2025-02-06 05:12:36,457 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:12:36" (1/1) ... [2025-02-06 05:12:36,535 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:12:36,724 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] [2025-02-06 05:12:36,731 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] [2025-02-06 05:12:37,335 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:37,336 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:37,337 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:37,337 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:37,338 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:37,346 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:37,346 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:37,348 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:37,348 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:37,349 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:37,350 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:37,350 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:37,350 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,008 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,009 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,038 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,039 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,047 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,047 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,066 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,067 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,067 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,067 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,067 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,072 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,072 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,103 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] [2025-02-06 05:12:38,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:12:38,140 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:12:38,150 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] [2025-02-06 05:12:38,151 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] [2025-02-06 05:12:38,175 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,176 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,176 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,176 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,176 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,180 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,180 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,181 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,181 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,182 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,182 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,182 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,182 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2025-02-06 05:12:38,323 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,323 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,327 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,328 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,329 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,329 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,333 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,334 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,334 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,334 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,335 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,335 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,335 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:12:38,346 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] [2025-02-06 05:12:38,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:12:38,540 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:12:38,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:12:38 WrapperNode [2025-02-06 05:12:38,544 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:12:38,545 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:12:38,545 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:12:38,545 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:12:38,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:12:38" (1/1) ... [2025-02-06 05:12:38,639 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:12:38" (1/1) ... [2025-02-06 05:12:38,723 INFO L138 Inliner]: procedures = 764, calls = 2430, calls flagged for inlining = 70, calls inlined = 18, statements flattened = 967 [2025-02-06 05:12:38,724 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:12:38,724 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:12:38,724 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:12:38,725 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:12:38,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:12:38" (1/1) ... [2025-02-06 05:12:38,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:12:38" (1/1) ... [2025-02-06 05:12:38,742 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:12:38" (1/1) ... [2025-02-06 05:12:38,793 INFO L175 MemorySlicer]: Split 377 memory accesses to 7 slices as follows [73, 2, 249, 2, 2, 44, 5]. 66 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [9, 2, 6, 0, 0, 0, 5]. The 257 writes are split as follows [14, 0, 233, 1, 1, 8, 0]. [2025-02-06 05:12:38,793 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:12:38" (1/1) ... [2025-02-06 05:12:38,794 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:12:38" (1/1) ... [2025-02-06 05:12:38,834 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:12:38" (1/1) ... [2025-02-06 05:12:38,841 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:12:38" (1/1) ... [2025-02-06 05:12:38,859 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:12:38" (1/1) ... [2025-02-06 05:12:38,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:12:38" (1/1) ... [2025-02-06 05:12:38,886 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:12:38,887 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:12:38,888 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:12:38,888 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:12:38,888 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:12:38" (1/1) ... [2025-02-06 05:12:38,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:12:38,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:12:38,927 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) [2025-02-06 05:12:38,937 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 [2025-02-06 05:12:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-06 05:12:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-06 05:12:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-06 05:12:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-06 05:12:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-06 05:12:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-06 05:12:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-06 05:12:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-02-06 05:12:38,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-02-06 05:12:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:12:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:12:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:12:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:12:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:12:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:12:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:12:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 05:12:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:12:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:12:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:12:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:12:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:12:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:12:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 05:12:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 05:12:38,959 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 05:12:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:12:38,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:12:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-02-06 05:12:38,959 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-02-06 05:12:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:12:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:12:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-02-06 05:12:38,959 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-02-06 05:12:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:12:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:12:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:12:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:12:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:12:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:12:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 05:12:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-02-06 05:12:38,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-02-06 05:12:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-02-06 05:12:38,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-02-06 05:12:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:12:38,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:12:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:12:38,959 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:12:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-06 05:12:38,959 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-06 05:12:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:12:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:12:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:12:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:12:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:12:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:12:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 05:12:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure s_get_next_element [2025-02-06 05:12:38,959 INFO L138 BoogieDeclarations]: Found implementation of procedure s_get_next_element [2025-02-06 05:12:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-06 05:12:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-06 05:12:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-06 05:12:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-06 05:12:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-06 05:12:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-02-06 05:12:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-02-06 05:12:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-06 05:12:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-06 05:12:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-06 05:12:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-06 05:12:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-06 05:12:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-02-06 05:12:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-02-06 05:12:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:12:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:12:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_int [2025-02-06 05:12:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_int [2025-02-06 05:12:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:12:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2025-02-06 05:12:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2025-02-06 05:12:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-06 05:12:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-06 05:12:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:12:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:12:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:12:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:12:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:12:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 05:12:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 05:12:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-02-06 05:12:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-02-06 05:12:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:12:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:12:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:12:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:12:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:12:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:12:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 05:12:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-06 05:12:38,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-06 05:12:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-06 05:12:38,961 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-06 05:12:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 05:12:38,961 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 05:12:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2025-02-06 05:12:38,961 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2025-02-06 05:12:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:12:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:12:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:12:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:12:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:12:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 05:12:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 05:12:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-06 05:12:38,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-06 05:12:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:12:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:12:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:12:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:12:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:12:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:12:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 05:12:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-02-06 05:12:38,961 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-02-06 05:12:39,324 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:12:39,326 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:12:39,370 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc588.base, #t~malloc588.offset; [2025-02-06 05:12:39,379 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc #t~nondet5; [2025-02-06 05:12:39,406 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10069: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-02-06 05:12:39,499 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-06 05:12:39,501 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 05:12:39,581 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9956: havoc #t~mem1489.base, #t~mem1489.offset;havoc #t~short1490;havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~ret1492;havoc #t~short1493; [2025-02-06 05:12:39,668 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9110-1: assume false; [2025-02-06 05:12:39,668 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9110-1: assume !false; [2025-02-06 05:12:39,668 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9606-1: assume false; [2025-02-06 05:12:39,668 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9606-1: assume !false; [2025-02-06 05:12:39,731 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10082: havoc hash_table_foreach_proof_callback_#t~ret1533#1; [2025-02-06 05:12:39,731 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7328: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1; [2025-02-06 05:12:39,732 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7271: havoc nondet_compare_#t~ret677#1; [2025-02-06 05:12:39,780 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-02-06 05:12:39,790 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-06 05:12:44,883 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9791-2: havoc aws_hash_iter_begin_#t~mem1400#1.base, aws_hash_iter_begin_#t~mem1400#1.offset;havoc aws_hash_iter_begin_#t~mem1401#1.base, aws_hash_iter_begin_#t~mem1401#1.offset;havoc aws_hash_iter_begin_#t~mem1402#1.base, aws_hash_iter_begin_#t~mem1402#1.offset;havoc aws_hash_iter_begin_#t~mem1403#1;havoc aws_hash_iter_begin_#t~mem1404#1;havoc aws_hash_iter_begin_#t~mem1405#1;havoc aws_hash_iter_begin_#t~mem1406#1;havoc aws_hash_iter_begin_#t~mem1407#1.base, aws_hash_iter_begin_#t~mem1407#1.offset;havoc aws_hash_iter_begin_#t~mem1408#1.base, aws_hash_iter_begin_#t~mem1408#1.offset; [2025-02-06 05:12:44,883 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9791-1: assume false; [2025-02-06 05:12:44,883 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9791-1: assume !false; [2025-02-06 05:12:44,959 INFO L? ?]: Removed 285 outVars from TransFormulas that were not future-live. [2025-02-06 05:12:44,959 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:12:44,975 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:12:44,975 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:12:44,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:12:44 BoogieIcfgContainer [2025-02-06 05:12:44,975 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:12:44,977 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:12:44,977 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:12:44,980 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:12:44,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:12:36" (1/3) ... [2025-02-06 05:12:44,982 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e4ba44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:12:44, skipping insertion in model container [2025-02-06 05:12:44,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:12:38" (2/3) ... [2025-02-06 05:12:44,982 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e4ba44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:12:44, skipping insertion in model container [2025-02-06 05:12:44,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:12:44" (3/3) ... [2025-02-06 05:12:44,983 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_foreach_harness_negated.i [2025-02-06 05:12:44,992 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:12:44,993 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_foreach_harness_negated.i that has 29 procedures, 329 locations, 1 initial locations, 15 loop locations, and 1 error locations. [2025-02-06 05:12:45,042 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:12:45,057 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;@21667dcd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:12:45,057 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 05:12:45,060 INFO L276 IsEmpty]: Start isEmpty. Operand has 309 states, 203 states have (on average 1.3054187192118227) internal successors, (265), 204 states have internal predecessors, (265), 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) [2025-02-06 05:12:45,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-02-06 05:12:45,071 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:12:45,072 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] [2025-02-06 05:12:45,072 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:12:45,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:12:45,080 INFO L85 PathProgramCache]: Analyzing trace with hash -738651190, now seen corresponding path program 1 times [2025-02-06 05:12:45,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:12:45,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060592335] [2025-02-06 05:12:45,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:12:45,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:12:49,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-06 05:12:50,005 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-06 05:12:50,005 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:12:50,006 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:12:50,449 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2025-02-06 05:12:50,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:12:50,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060592335] [2025-02-06 05:12:50,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060592335] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:12:50,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927029805] [2025-02-06 05:12:50,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:12:50,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:12:50,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:12:50,458 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) [2025-02-06 05:12:50,459 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 [2025-02-06 05:12:54,772 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-06 05:12:55,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-06 05:12:55,323 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:12:55,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:12:55,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 4359 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 05:12:55,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:12:55,370 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2025-02-06 05:12:55,373 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:12:55,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1927029805] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:12:55,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:12:55,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 05:12:55,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206170238] [2025-02-06 05:12:55,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:12:55,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 05:12:55,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:12:55,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 05:12:55,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 05:12:55,406 INFO L87 Difference]: Start difference. First operand has 309 states, 203 states have (on average 1.3054187192118227) internal successors, (265), 204 states have internal predecessors, (265), 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) [2025-02-06 05:12:55,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:12:55,507 INFO L93 Difference]: Finished difference Result 609 states and 907 transitions. [2025-02-06 05:12:55,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 05:12:55,511 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 [2025-02-06 05:12:55,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:12:55,520 INFO L225 Difference]: With dead ends: 609 [2025-02-06 05:12:55,520 INFO L226 Difference]: Without dead ends: 303 [2025-02-06 05:12:55,524 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 [2025-02-06 05:12:55,526 INFO L435 NwaCegarLoop]: 410 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 05:12:55,527 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 410 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 05:12:55,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2025-02-06 05:12:55,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 303. [2025-02-06 05:12:55,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 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), 23 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2025-02-06 05:12:55,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 409 transitions. [2025-02-06 05:12:55,602 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 409 transitions. Word has length 121 [2025-02-06 05:12:55,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:12:55,603 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 409 transitions. [2025-02-06 05:12:55,603 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) [2025-02-06 05:12:55,604 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 409 transitions. [2025-02-06 05:12:55,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-02-06 05:12:55,606 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:12:55,608 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] [2025-02-06 05:12:55,625 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 05:12:55,808 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 [2025-02-06 05:12:55,809 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:12:55,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:12:55,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1721173464, now seen corresponding path program 1 times [2025-02-06 05:12:55,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:12:55,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511585728] [2025-02-06 05:12:55,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:12:55,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:12:59,543 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-02-06 05:12:59,647 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-02-06 05:12:59,647 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:12:59,647 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:13:00,596 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2025-02-06 05:13:00,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:13:00,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511585728] [2025-02-06 05:13:00,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511585728] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:13:00,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 05:13:00,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 05:13:00,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632464027] [2025-02-06 05:13:00,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:13:00,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 05:13:00,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:13:00,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 05:13:00,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 05:13:00,598 INFO L87 Difference]: Start difference. First operand 303 states and 409 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 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) [2025-02-06 05:13:00,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:13:00,960 INFO L93 Difference]: Finished difference Result 566 states and 771 transitions. [2025-02-06 05:13:00,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 05:13:00,960 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 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 128 [2025-02-06 05:13:00,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:13:00,963 INFO L225 Difference]: With dead ends: 566 [2025-02-06 05:13:00,963 INFO L226 Difference]: Without dead ends: 308 [2025-02-06 05:13:00,964 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 [2025-02-06 05:13:00,964 INFO L435 NwaCegarLoop]: 402 mSDtfsCounter, 0 mSDsluCounter, 1202 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1604 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 05:13:00,965 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1604 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 05:13:00,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2025-02-06 05:13:00,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2025-02-06 05:13:00,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 202 states have (on average 1.2475247524752475) internal successors, (252), 203 states have internal predecessors, (252), 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) [2025-02-06 05:13:00,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 414 transitions. [2025-02-06 05:13:00,981 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 414 transitions. Word has length 128 [2025-02-06 05:13:00,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:13:00,983 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 414 transitions. [2025-02-06 05:13:00,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 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) [2025-02-06 05:13:00,984 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 414 transitions. [2025-02-06 05:13:00,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-02-06 05:13:00,987 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:13:00,988 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] [2025-02-06 05:13:00,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 05:13:00,988 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:13:00,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:13:00,989 INFO L85 PathProgramCache]: Analyzing trace with hash 275555551, now seen corresponding path program 1 times [2025-02-06 05:13:00,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:13:00,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272956060] [2025-02-06 05:13:00,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:13:00,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:13:04,852 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-02-06 05:13:04,950 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-02-06 05:13:04,951 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:13:04,951 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:13:08,212 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2025-02-06 05:13:08,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:13:08,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272956060] [2025-02-06 05:13:08,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272956060] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:13:08,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649785607] [2025-02-06 05:13:08,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:13:08,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:13:08,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:13:08,215 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) [2025-02-06 05:13:08,216 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 [2025-02-06 05:13:12,305 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-02-06 05:13:12,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-02-06 05:13:12,754 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:13:12,754 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:13:12,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 4389 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 05:13:12,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:13:16,359 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2025-02-06 05:13:16,359 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 05:13:20,223 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2025-02-06 05:13:20,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649785607] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-06 05:13:20,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-02-06 05:13:20,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10, 8] total 21 [2025-02-06 05:13:20,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026203716] [2025-02-06 05:13:20,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:13:20,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 05:13:20,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:13:20,226 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 05:13:20,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-02-06 05:13:20,226 INFO L87 Difference]: Start difference. First operand 308 states and 414 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 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) [2025-02-06 05:13:23,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:13:23,733 INFO L93 Difference]: Finished difference Result 558 states and 777 transitions. [2025-02-06 05:13:23,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 05:13:23,734 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 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 134 [2025-02-06 05:13:23,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:13:23,738 INFO L225 Difference]: With dead ends: 558 [2025-02-06 05:13:23,738 INFO L226 Difference]: Without dead ends: 329 [2025-02-06 05:13:23,739 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 256 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2025-02-06 05:13:23,740 INFO L435 NwaCegarLoop]: 367 mSDtfsCounter, 437 mSDsluCounter, 1459 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 1826 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2025-02-06 05:13:23,740 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 1826 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2025-02-06 05:13:23,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2025-02-06 05:13:23,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 323. [2025-02-06 05:13:23,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 210 states have (on average 1.2476190476190476) internal successors, (262), 212 states have internal predecessors, (262), 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) [2025-02-06 05:13:23,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 441 transitions. [2025-02-06 05:13:23,764 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 441 transitions. Word has length 134 [2025-02-06 05:13:23,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:13:23,765 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 441 transitions. [2025-02-06 05:13:23,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 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) [2025-02-06 05:13:23,765 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 441 transitions. [2025-02-06 05:13:23,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-02-06 05:13:23,766 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:13:23,766 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, 1] [2025-02-06 05:13:23,784 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 05:13:23,967 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 [2025-02-06 05:13:23,967 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:13:23,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:13:23,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1815229711, now seen corresponding path program 1 times [2025-02-06 05:13:23,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:13:23,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062049185] [2025-02-06 05:13:23,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:13:23,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:13:27,812 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-02-06 05:13:27,898 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-02-06 05:13:27,898 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:13:27,898 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:13:30,753 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2025-02-06 05:13:30,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:13:30,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062049185] [2025-02-06 05:13:30,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062049185] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:13:30,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891273694] [2025-02-06 05:13:30,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:13:30,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:13:30,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:13:30,755 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) [2025-02-06 05:13:30,757 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 [2025-02-06 05:13:35,062 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-02-06 05:13:35,533 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-02-06 05:13:35,534 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:13:35,534 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:13:35,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 4394 conjuncts, 68 conjuncts are in the unsatisfiable core [2025-02-06 05:13:35,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:13:36,138 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 [2025-02-06 05:13:39,374 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 22 treesize of output 1 [2025-02-06 05:13:39,432 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 22 treesize of output 1 [2025-02-06 05:13:40,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2025-02-06 05:13:40,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2025-02-06 05:13:43,330 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2025-02-06 05:13:43,330 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:13:43,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [891273694] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:13:43,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:13:43,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [10] total 22 [2025-02-06 05:13:43,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083036945] [2025-02-06 05:13:43,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:13:43,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-06 05:13:43,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:13:43,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-06 05:13:43,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2025-02-06 05:13:43,332 INFO L87 Difference]: Start difference. First operand 323 states and 441 transitions. Second operand has 18 states, 16 states have (on average 4.6875) internal successors, (75), 16 states have internal predecessors, (75), 9 states have call successors, (22), 5 states have call predecessors, (22), 6 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20) [2025-02-06 05:13:47,397 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 [] [2025-02-06 05:13:51,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-06 05:13:56,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 05:14:00,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-06 05:14:05,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 05:14:09,458 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 [0]