./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d 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_get_entry_count_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 5235a092d2f116f7b83a934e5905896d63bc9e7551cc3a581afc6904f32e3ebd --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:50:09,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:50:09,667 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:50:09,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:50:09,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:50:09,685 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:50:09,685 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:50:09,686 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:50:09,686 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:50:09,686 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:50:09,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:50:09,686 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:50:09,686 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:50:09,686 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:50:09,687 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:50:09,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:50:09,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:50:09,687 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:50:09,687 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:50:09,687 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:50:09,687 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:50:09,687 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:50:09,687 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:50:09,687 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:50:09,687 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:50:09,688 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:50:09,688 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:50:09,688 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:50:09,688 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:50:09,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:50:09,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:50:09,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:50:09,688 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:50:09,688 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:50:09,688 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:50:09,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:50:09,688 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:50:09,689 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:50:09,689 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:50:09,689 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:50:09,689 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 -> 5235a092d2f116f7b83a934e5905896d63bc9e7551cc3a581afc6904f32e3ebd [2025-02-08 01:50:09,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:50:09,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:50:09,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:50:09,919 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:50:09,919 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:50:09,920 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i [2025-02-08 01:50:11,099 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c1ae58bfe/b79a5319074c4105bc560b6709d265b0/FLAG650a6b67f [2025-02-08 01:50:11,611 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:50:11,611 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i [2025-02-08 01:50:11,645 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c1ae58bfe/b79a5319074c4105bc560b6709d265b0/FLAG650a6b67f [2025-02-08 01:50:11,660 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c1ae58bfe/b79a5319074c4105bc560b6709d265b0 [2025-02-08 01:50:11,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:50:11,663 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:50:11,664 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:50:11,664 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:50:11,668 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:50:11,669 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:50:11" (1/1) ... [2025-02-08 01:50:11,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57b6f424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:11, skipping insertion in model container [2025-02-08 01:50:11,671 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:50:11" (1/1) ... [2025-02-08 01:50:11,746 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:50:11,924 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_get_entry_count_harness_negated.i[4504,4517] [2025-02-08 01:50:11,931 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_get_entry_count_harness_negated.i[4564,4577] [2025-02-08 01:50:12,564 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:12,568 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:12,568 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:12,569 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:12,569 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:12,589 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:12,589 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:12,591 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:12,591 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:12,592 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:12,595 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:12,596 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:12,596 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:13,998 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:13,998 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,016 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,017 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,022 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,022 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,033 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,034 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,034 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,035 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,035 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,035 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,035 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,069 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_get_entry_count_harness_negated.i[227986,227999] [2025-02-08 01:50:14,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:50:14,092 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:50:14,109 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_get_entry_count_harness_negated.i[4504,4517] [2025-02-08 01:50:14,110 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_get_entry_count_harness_negated.i[4564,4577] [2025-02-08 01:50:14,135 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,136 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,136 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,136 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,136 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,140 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,140 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,141 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,141 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,142 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,142 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,142 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,142 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2025-02-08 01:50:14,300 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,301 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,309 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,309 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,311 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,311 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,316 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,317 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,317 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,317 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,317 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,318 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,319 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:14,334 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_get_entry_count_harness_negated.i[227986,227999] [2025-02-08 01:50:14,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:50:14,486 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:50:14,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:14 WrapperNode [2025-02-08 01:50:14,488 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:50:14,489 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:50:14,489 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:50:14,489 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:50:14,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:14" (1/1) ... [2025-02-08 01:50:14,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:14" (1/1) ... [2025-02-08 01:50:14,621 INFO L138 Inliner]: procedures = 763, calls = 2428, calls flagged for inlining = 69, calls inlined = 11, statements flattened = 607 [2025-02-08 01:50:14,622 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:50:14,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:50:14,624 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:50:14,624 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:50:14,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:14" (1/1) ... [2025-02-08 01:50:14,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:14" (1/1) ... [2025-02-08 01:50:14,637 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:14" (1/1) ... [2025-02-08 01:50:14,696 INFO L175 MemorySlicer]: Split 282 memory accesses to 8 slices as follows [238, 2, 19, 2, 7, 6, 3, 5]. 84 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [6, 2, 0, 0, 0, 0, 0, 5]. The 238 writes are split as follows [232, 0, 1, 1, 1, 2, 1, 0]. [2025-02-08 01:50:14,696 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:14" (1/1) ... [2025-02-08 01:50:14,696 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:14" (1/1) ... [2025-02-08 01:50:14,723 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:14" (1/1) ... [2025-02-08 01:50:14,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:14" (1/1) ... [2025-02-08 01:50:14,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:14" (1/1) ... [2025-02-08 01:50:14,744 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:14" (1/1) ... [2025-02-08 01:50:14,755 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:50:14,758 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:50:14,758 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:50:14,758 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:50:14,759 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:14" (1/1) ... [2025-02-08 01:50:14,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:50:14,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:50:14,782 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) [2025-02-08 01:50:14,788 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 [2025-02-08 01:50:14,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-08 01:50:14,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-08 01:50:14,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-08 01:50:14,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-08 01:50:14,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-08 01:50:14,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-08 01:50:14,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-08 01:50:14,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-02-08 01:50:14,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:50:14,803 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_get_entry_count [2025-02-08 01:50:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_get_entry_count [2025-02-08 01:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 01:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-08 01:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 01:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-08 01:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:50:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:50:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-02-08 01:50:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-02-08 01:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-02-08 01:50:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-02-08 01:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:50:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:50:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-08 01:50:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:50:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-08 01:50:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-02-08 01:50:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:50:14,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:50:14,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:50:14,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:50:14,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:50:14,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 01:50:14,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-08 01:50:14,809 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-08 01:50:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-08 01:50:14,809 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-08 01:50:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-08 01:50:14,809 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:50:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:50:14,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:50:14,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:50:14,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:50:14,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:50:14,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:50:14,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:50:14,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 01:50:14,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-08 01:50:14,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:50:14,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:50:14,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:50:14,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:50:14,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:50:14,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:50:14,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 01:50:14,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-08 01:50:14,810 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-02-08 01:50:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-02-08 01:50:15,023 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:50:15,024 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:50:15,055 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc588.base, #t~malloc588.offset; [2025-02-08 01:50:15,070 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L10069: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-02-08 01:50:15,081 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-08 01:50:15,082 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:50:15,103 INFO L1324 $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; [2025-02-08 01:50:15,111 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9114: havoc #t~mem1150; [2025-02-08 01:50:15,206 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-02-08 01:50:15,219 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-08 01:50:20,655 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1;save_byte_from_array_#t~ret633#1 := nondet_size_t_#res#1;havoc nondet_size_t_#t~nondet6#1;assume { :end_inline_nondet_size_t } true;call write~int#5(save_byte_from_array_#t~ret633#1, save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8);havoc save_byte_from_array_#t~ret633#1;call save_byte_from_array_#t~mem634#1 := read~int#5(save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8); [2025-02-08 01:50:20,656 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7186: havoc save_byte_from_array_#t~mem634#1;call save_byte_from_array_#t~mem635#1 := read~int#5(save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8);call save_byte_from_array_#t~mem636#1 := read~int#2(save_byte_from_array_~array#1.base, save_byte_from_array_~array#1.offset + (if save_byte_from_array_#t~mem635#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then save_byte_from_array_#t~mem635#1 % 18446744073709551616 % 18446744073709551616 else save_byte_from_array_#t~mem635#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616), 1);call write~int#5(save_byte_from_array_#t~mem636#1, save_byte_from_array_~storage#1.base, 8 + save_byte_from_array_~storage#1.offset, 1);havoc save_byte_from_array_#t~mem635#1;havoc save_byte_from_array_#t~mem636#1; [2025-02-08 01:50:20,656 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7186-1: SUMMARY for call assume_abort_if_not((if 0 == (if save_byte_from_array_#t~mem634#1 % 18446744073709551616 < save_byte_from_array_~size#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:50:20,744 INFO L? ?]: Removed 111 outVars from TransFormulas that were not future-live. [2025-02-08 01:50:20,744 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:50:20,759 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:50:20,761 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:50:20,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:50:20 BoogieIcfgContainer [2025-02-08 01:50:20,762 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:50:20,764 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:50:20,764 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:50:20,768 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:50:20,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:50:11" (1/3) ... [2025-02-08 01:50:20,768 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c1652e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:50:20, skipping insertion in model container [2025-02-08 01:50:20,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:14" (2/3) ... [2025-02-08 01:50:20,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c1652e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:50:20, skipping insertion in model container [2025-02-08 01:50:20,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:50:20" (3/3) ... [2025-02-08 01:50:20,771 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_get_entry_count_harness_negated.i [2025-02-08 01:50:20,784 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:50:20,787 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_get_entry_count_harness_negated.i that has 15 procedures, 112 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-08 01:50:20,836 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:50:20,847 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;@20962cf1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:50:20,848 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:50:20,851 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 68 states have (on average 1.2058823529411764) internal successors, (82), 72 states have internal predecessors, (82), 25 states have call successors, (25), 14 states have call predecessors, (25), 14 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 01:50:20,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-08 01:50:20,860 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:50:20,860 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:50:20,861 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:50:20,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:50:20,867 INFO L85 PathProgramCache]: Analyzing trace with hash -388196, now seen corresponding path program 1 times [2025-02-08 01:50:20,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:50:20,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112827108] [2025-02-08 01:50:20,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:50:20,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:50:25,906 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 01:50:26,319 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 01:50:26,319 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:50:26,319 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:50:26,842 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-08 01:50:26,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:50:26,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112827108] [2025-02-08 01:50:26,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112827108] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:50:26,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084941196] [2025-02-08 01:50:26,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:50:26,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:50:26,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:50:26,848 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) [2025-02-08 01:50:26,849 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 [2025-02-08 01:50:31,394 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 01:50:31,896 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 01:50:31,896 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:50:31,896 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:50:31,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 4311 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 01:50:31,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:50:31,945 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-08 01:50:31,946 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:50:31,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084941196] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:50:31,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:50:31,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 01:50:31,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854139786] [2025-02-08 01:50:31,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:50:31,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 01:50:31,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:50:31,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 01:50:31,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:50:31,979 INFO L87 Difference]: Start difference. First operand has 112 states, 68 states have (on average 1.2058823529411764) internal successors, (82), 72 states have internal predecessors, (82), 25 states have call successors, (25), 14 states have call predecessors, (25), 14 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-02-08 01:50:32,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:50:32,023 INFO L93 Difference]: Finished difference Result 217 states and 271 transitions. [2025-02-08 01:50:32,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 01:50:32,029 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 103 [2025-02-08 01:50:32,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:50:32,039 INFO L225 Difference]: With dead ends: 217 [2025-02-08 01:50:32,043 INFO L226 Difference]: Without dead ends: 99 [2025-02-08 01:50:32,046 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:50:32,052 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 01:50:32,053 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 01:50:32,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2025-02-08 01:50:32,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2025-02-08 01:50:32,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 62 states have (on average 1.1290322580645162) internal successors, (70), 63 states have internal predecessors, (70), 23 states have call successors, (23), 13 states have call predecessors, (23), 13 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 01:50:32,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 115 transitions. [2025-02-08 01:50:32,092 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 115 transitions. Word has length 103 [2025-02-08 01:50:32,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:50:32,093 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 115 transitions. [2025-02-08 01:50:32,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-02-08 01:50:32,093 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 115 transitions. [2025-02-08 01:50:32,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-08 01:50:32,098 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:50:32,099 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:50:32,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 01:50:32,300 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 [2025-02-08 01:50:32,300 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:50:32,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:50:32,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1944265156, now seen corresponding path program 1 times [2025-02-08 01:50:32,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:50:32,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489590204] [2025-02-08 01:50:32,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:50:32,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:50:36,368 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 01:50:36,477 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 01:50:36,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:50:36,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:50:37,268 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2025-02-08 01:50:37,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:50:37,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489590204] [2025-02-08 01:50:37,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489590204] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:50:37,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062781278] [2025-02-08 01:50:37,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:50:37,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:50:37,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:50:37,278 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) [2025-02-08 01:50:37,279 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 [2025-02-08 01:50:42,135 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 01:50:42,543 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 01:50:42,544 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:50:42,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:50:42,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 4311 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 01:50:42,567 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:50:42,660 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 01:50:42,660 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:50:42,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2062781278] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:50:42,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:50:42,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 4 [2025-02-08 01:50:42,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616839906] [2025-02-08 01:50:42,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:50:42,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 01:50:42,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:50:42,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 01:50:42,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 01:50:42,662 INFO L87 Difference]: Start difference. First operand 99 states and 115 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2025-02-08 01:50:42,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:50:42,781 INFO L93 Difference]: Finished difference Result 187 states and 217 transitions. [2025-02-08 01:50:42,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 01:50:42,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 103 [2025-02-08 01:50:42,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:50:42,790 INFO L225 Difference]: With dead ends: 187 [2025-02-08 01:50:42,790 INFO L226 Difference]: Without dead ends: 99 [2025-02-08 01:50:42,791 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 01:50:42,791 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 01:50:42,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 330 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 01:50:42,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2025-02-08 01:50:42,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2025-02-08 01:50:42,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 62 states have (on average 1.1129032258064515) internal successors, (69), 63 states have internal predecessors, (69), 23 states have call successors, (23), 13 states have call predecessors, (23), 13 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 01:50:42,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2025-02-08 01:50:42,810 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 103 [2025-02-08 01:50:42,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:50:42,812 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2025-02-08 01:50:42,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2025-02-08 01:50:42,812 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2025-02-08 01:50:42,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-02-08 01:50:42,813 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:50:42,813 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:50:42,830 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 01:50:43,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:50:43,015 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:50:43,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:50:43,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1340805630, now seen corresponding path program 1 times [2025-02-08 01:50:43,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:50:43,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025533437] [2025-02-08 01:50:43,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:50:43,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:50:47,198 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-02-08 01:50:47,406 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-02-08 01:50:47,407 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:50:47,407 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:50:50,981 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2025-02-08 01:50:50,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:50:50,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025533437] [2025-02-08 01:50:50,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025533437] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:50:50,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 01:50:50,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-02-08 01:50:50,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214674553] [2025-02-08 01:50:50,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:50:50,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 01:50:50,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:50:50,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 01:50:50,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-02-08 01:50:50,983 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 4 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2025-02-08 01:50:55,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 01:50:59,517 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 [] [2025-02-08 01:51:02,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:51:02,365 INFO L93 Difference]: Finished difference Result 184 states and 210 transitions. [2025-02-08 01:51:02,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 01:51:02,366 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 4 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) Word has length 125 [2025-02-08 01:51:02,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:51:02,370 INFO L225 Difference]: With dead ends: 184 [2025-02-08 01:51:02,370 INFO L226 Difference]: Without dead ends: 104 [2025-02-08 01:51:02,371 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-02-08 01:51:02,375 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 16 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2025-02-08 01:51:02,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 731 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 143 Invalid, 2 Unknown, 0 Unchecked, 10.8s Time] [2025-02-08 01:51:02,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2025-02-08 01:51:02,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2025-02-08 01:51:02,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 64 states have (on average 1.109375) internal successors, (71), 65 states have internal predecessors, (71), 23 states have call successors, (23), 13 states have call predecessors, (23), 13 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 01:51:02,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 116 transitions. [2025-02-08 01:51:02,398 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 116 transitions. Word has length 125 [2025-02-08 01:51:02,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:51:02,399 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 116 transitions. [2025-02-08 01:51:02,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 4 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2025-02-08 01:51:02,400 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 116 transitions. [2025-02-08 01:51:02,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-02-08 01:51:02,404 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:51:02,404 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:51:02,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 01:51:02,404 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:51:02,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:51:02,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1320468255, now seen corresponding path program 1 times [2025-02-08 01:51:02,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:51:02,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686459453] [2025-02-08 01:51:02,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:51:02,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:51:06,481 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-02-08 01:51:06,577 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-02-08 01:51:06,578 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:51:06,578 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:51:07,482 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2025-02-08 01:51:07,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:51:07,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686459453] [2025-02-08 01:51:07,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686459453] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:51:07,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 01:51:07,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 01:51:07,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526697282] [2025-02-08 01:51:07,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:51:07,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 01:51:07,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:51:07,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 01:51:07,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 01:51:07,484 INFO L87 Difference]: Start difference. First operand 101 states and 116 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2025-02-08 01:51:07,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:51:07,788 INFO L93 Difference]: Finished difference Result 185 states and 210 transitions. [2025-02-08 01:51:07,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 01:51:07,789 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 125 [2025-02-08 01:51:07,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:51:07,790 INFO L225 Difference]: With dead ends: 185 [2025-02-08 01:51:07,790 INFO L226 Difference]: Without dead ends: 99 [2025-02-08 01:51:07,791 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 01:51:07,793 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 9 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 01:51:07,793 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 412 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 01:51:07,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2025-02-08 01:51:07,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2025-02-08 01:51:07,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 62 states have (on average 1.0806451612903225) internal successors, (67), 63 states have internal predecessors, (67), 23 states have call successors, (23), 13 states have call predecessors, (23), 13 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 01:51:07,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 112 transitions. [2025-02-08 01:51:07,803 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 112 transitions. Word has length 125 [2025-02-08 01:51:07,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:51:07,803 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 112 transitions. [2025-02-08 01:51:07,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2025-02-08 01:51:07,805 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2025-02-08 01:51:07,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-02-08 01:51:07,806 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:51:07,806 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:51:07,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 01:51:07,807 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:51:07,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:51:07,807 INFO L85 PathProgramCache]: Analyzing trace with hash -866432018, now seen corresponding path program 1 times [2025-02-08 01:51:07,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:51:07,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336578695] [2025-02-08 01:51:07,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:51:07,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:51:11,697 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-02-08 01:51:11,782 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-02-08 01:51:11,782 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:51:11,782 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:51:14,014 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2025-02-08 01:51:14,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:51:14,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336578695] [2025-02-08 01:51:14,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336578695] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:51:14,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 01:51:14,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 01:51:14,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180609460] [2025-02-08 01:51:14,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:51:14,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 01:51:14,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:51:14,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 01:51:14,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-08 01:51:14,016 INFO L87 Difference]: Start difference. First operand 99 states and 112 transitions. Second operand has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2025-02-08 01:51:14,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:51:14,668 INFO L93 Difference]: Finished difference Result 178 states and 199 transitions. [2025-02-08 01:51:14,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 01:51:14,669 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 131 [2025-02-08 01:51:14,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:51:14,671 INFO L225 Difference]: With dead ends: 178 [2025-02-08 01:51:14,671 INFO L226 Difference]: Without dead ends: 99 [2025-02-08 01:51:14,671 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-08 01:51:14,672 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 2 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 01:51:14,672 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 612 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 01:51:14,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2025-02-08 01:51:14,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2025-02-08 01:51:14,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 62 states have (on average 1.064516129032258) internal successors, (66), 63 states have internal predecessors, (66), 23 states have call successors, (23), 13 states have call predecessors, (23), 13 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 01:51:14,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 111 transitions. [2025-02-08 01:51:14,683 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 111 transitions. Word has length 131 [2025-02-08 01:51:14,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:51:14,684 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 111 transitions. [2025-02-08 01:51:14,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2025-02-08 01:51:14,684 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 111 transitions. [2025-02-08 01:51:14,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-02-08 01:51:14,685 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:51:14,686 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:51:14,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 01:51:14,686 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:51:14,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:51:14,686 INFO L85 PathProgramCache]: Analyzing trace with hash 976290569, now seen corresponding path program 1 times [2025-02-08 01:51:14,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:51:14,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260100696] [2025-02-08 01:51:14,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:51:14,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:51:18,558 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-02-08 01:51:18,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-02-08 01:51:18,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:51:18,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:51:19,301 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 01:51:19,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:51:19,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260100696] [2025-02-08 01:51:19,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260100696] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:51:19,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384734953] [2025-02-08 01:51:19,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:51:19,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:51:19,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:51:19,303 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) [2025-02-08 01:51:19,305 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 [2025-02-08 01:51:23,873 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-02-08 01:51:24,309 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-02-08 01:51:24,309 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:51:24,309 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:51:24,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 4555 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 01:51:24,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:51:24,436 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-08 01:51:24,436 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:51:24,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384734953] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:51:24,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:51:24,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 4 [2025-02-08 01:51:24,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181981326] [2025-02-08 01:51:24,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:51:24,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 01:51:24,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:51:24,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 01:51:24,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 01:51:24,438 INFO L87 Difference]: Start difference. First operand 99 states and 111 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2025-02-08 01:51:24,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:51:24,541 INFO L93 Difference]: Finished difference Result 187 states and 209 transitions. [2025-02-08 01:51:24,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 01:51:24,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 138 [2025-02-08 01:51:24,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:51:24,542 INFO L225 Difference]: With dead ends: 187 [2025-02-08 01:51:24,542 INFO L226 Difference]: Without dead ends: 99 [2025-02-08 01:51:24,543 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 01:51:24,543 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 0 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 01:51:24,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 318 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 01:51:24,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2025-02-08 01:51:24,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2025-02-08 01:51:24,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 62 states have (on average 1.0483870967741935) internal successors, (65), 63 states have internal predecessors, (65), 23 states have call successors, (23), 13 states have call predecessors, (23), 13 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 01:51:24,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 110 transitions. [2025-02-08 01:51:24,549 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 110 transitions. Word has length 138 [2025-02-08 01:51:24,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:51:24,549 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 110 transitions. [2025-02-08 01:51:24,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2025-02-08 01:51:24,549 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 110 transitions. [2025-02-08 01:51:24,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-02-08 01:51:24,550 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:51:24,550 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:51:24,568 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-08 01:51:24,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:51:24,751 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:51:24,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:51:24,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1370492105, now seen corresponding path program 1 times [2025-02-08 01:51:24,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:51:24,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635581182] [2025-02-08 01:51:24,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:51:24,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:51:28,643 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-02-08 01:51:29,495 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-02-08 01:51:29,495 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:51:29,495 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:51:32,281 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-02-08 01:51:32,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:51:32,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635581182] [2025-02-08 01:51:32,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635581182] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:51:32,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087550845] [2025-02-08 01:51:32,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:51:32,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:51:32,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:51:32,285 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:51:32,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 01:51:37,418 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-02-08 01:51:37,896 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-02-08 01:51:37,896 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:51:37,896 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:51:37,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 4557 conjuncts, 35 conjuncts are in the unsatisfiable core [2025-02-08 01:51:37,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:51:40,811 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 01:51:40,812 INFO L312 TraceCheckSpWp]: Computing backward predicates...