./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.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 36677182f518398f01d85d4519b98c485dfbc69288769baae64c1b35fbac01e2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:26:20,097 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:26:20,157 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:26:20,162 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:26:20,162 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:26:20,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:26:20,183 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:26:20,184 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:26:20,184 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:26:20,184 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:26:20,185 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:26:20,185 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:26:20,186 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:26:20,186 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:26:20,186 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:26:20,186 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:26:20,186 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:26:20,186 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:26:20,186 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:26:20,187 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:26:20,187 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:26:20,187 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:26:20,187 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:26:20,187 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:26:20,187 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:26:20,187 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:26:20,188 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:26:20,188 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:26:20,188 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:26:20,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:26:20,188 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:26:20,188 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:26:20,189 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:26:20,189 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:26:20,189 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:26:20,189 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:26:20,189 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:26:20,189 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:26:20,189 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:26:20,190 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:26:20,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:26:20,190 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:26:20,190 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:26:20,190 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:26:20,190 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:26:20,190 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 -> 36677182f518398f01d85d4519b98c485dfbc69288769baae64c1b35fbac01e2 [2025-01-09 17:26:20,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:26:20,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:26:20,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:26:20,492 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:26:20,492 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:26:20,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i [2025-01-09 17:26:21,786 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/aee0c69da/e91c0aade6aa4b6dbf4f166d281762c6/FLAGeab7d8cc5 [2025-01-09 17:26:22,426 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:26:22,426 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i [2025-01-09 17:26:22,470 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/aee0c69da/e91c0aade6aa4b6dbf4f166d281762c6/FLAGeab7d8cc5 [2025-01-09 17:26:22,489 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/aee0c69da/e91c0aade6aa4b6dbf4f166d281762c6 [2025-01-09 17:26:22,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:26:22,492 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:26:22,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:26:22,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:26:22,497 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:26:22,498 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:26:22" (1/1) ... [2025-01-09 17:26:22,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d31ac5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:22, skipping insertion in model container [2025-01-09 17:26:22,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:26:22" (1/1) ... [2025-01-09 17:26:22,573 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:26:22,898 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_priority_queue_remove_harness.i[4499,4512] [2025-01-09 17:26:22,909 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_priority_queue_remove_harness.i[4559,4572] [2025-01-09 17:26:23,690 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:23,691 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:23,691 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:23,692 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:23,693 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:23,704 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:23,705 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:23,707 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:23,707 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:23,709 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:23,710 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:23,710 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:23,710 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,320 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,334 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,412 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,413 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,413 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,413 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,413 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,414 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,414 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,415 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,416 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,416 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,416 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,417 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,417 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,422 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,423 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,424 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,424 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,427 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,428 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,436 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,438 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,438 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,459 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,460 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,460 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:26:24,504 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:26:24,522 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_priority_queue_remove_harness.i[4499,4512] [2025-01-09 17:26:24,523 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_priority_queue_remove_harness.i[4559,4572] [2025-01-09 17:26:24,599 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,600 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,600 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,600 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,601 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,606 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,606 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,607 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,607 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,608 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,609 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,609 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,609 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,670 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,674 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,680 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7771-7782] [2025-01-09 17:26:24,698 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,699 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,699 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,699 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,699 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,700 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,700 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,700 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,700 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,700 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,700 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,701 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,701 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,701 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,701 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,703 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,703 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,705 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,705 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,711 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,713 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,713 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,722 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,723 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,723 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:24,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:26:24,961 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:26:24,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:24 WrapperNode [2025-01-09 17:26:24,963 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:26:24,964 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:26:24,964 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:26:24,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:26:24,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:24" (1/1) ... [2025-01-09 17:26:25,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:24" (1/1) ... [2025-01-09 17:26:25,142 INFO L138 Inliner]: procedures = 686, calls = 1933, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 1082 [2025-01-09 17:26:25,145 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:26:25,146 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:26:25,146 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:26:25,147 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:26:25,155 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:24" (1/1) ... [2025-01-09 17:26:25,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:24" (1/1) ... [2025-01-09 17:26:25,166 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:24" (1/1) ... [2025-01-09 17:26:25,294 INFO L175 MemorySlicer]: Split 396 memory accesses to 6 slices as follows [2, 17, 3, 97, 264, 13]. 67 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [2, 4, 1, 0, 12, 11]. The 262 writes are split as follows [0, 3, 1, 18, 240, 0]. [2025-01-09 17:26:25,295 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:24" (1/1) ... [2025-01-09 17:26:25,295 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:24" (1/1) ... [2025-01-09 17:26:25,359 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:24" (1/1) ... [2025-01-09 17:26:25,367 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:24" (1/1) ... [2025-01-09 17:26:25,381 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:24" (1/1) ... [2025-01-09 17:26:25,393 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:24" (1/1) ... [2025-01-09 17:26:25,403 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:24" (1/1) ... [2025-01-09 17:26:25,428 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:26:25,431 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:26:25,431 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:26:25,431 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:26:25,433 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:24" (1/1) ... [2025-01-09 17:26:25,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:26:25,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:26:25,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 17:26:25,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 17:26:25,500 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-01-09 17:26:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-01-09 17:26:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-01-09 17:26:25,501 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-01-09 17:26:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:26:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-01-09 17:26:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-01-09 17:26:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-01-09 17:26:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-01-09 17:26:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:26:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:26:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-01-09 17:26:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-01-09 17:26:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:26:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:26:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:26:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:26:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:26:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:26:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:26:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:26:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:26:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:26:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:26:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:26:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 17:26:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 17:26:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:26:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:26:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2025-01-09 17:26:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2025-01-09 17:26:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:26:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:26:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:26:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:26:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:26:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:26:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:26:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:26:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-01-09 17:26:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-01-09 17:26:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-01-09 17:26:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-01-09 17:26:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:26:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:26:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:26:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:26:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-01-09 17:26:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-01-09 17:26:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-01-09 17:26:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-01-09 17:26:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:26:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:26:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:26:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:26:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:26:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:26:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-01-09 17:26:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-01-09 17:26:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-01-09 17:26:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-01-09 17:26:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-01-09 17:26:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-01-09 17:26:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-09 17:26:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-09 17:26:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-09 17:26:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-01-09 17:26:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-01-09 17:26:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-01-09 17:26:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-09 17:26:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-09 17:26:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-09 17:26:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-01-09 17:26:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-01-09 17:26:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-01-09 17:26:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:26:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:26:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-01-09 17:26:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-01-09 17:26:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2025-01-09 17:26:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2025-01-09 17:26:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:26:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:26:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:26:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:26:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:26:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:26:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:26:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:26:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:26:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:26:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:26:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:26:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:26:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-01-09 17:26:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-01-09 17:26:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:26:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:26:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-01-09 17:26:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-01-09 17:26:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:26:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:26:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:26:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:26:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:26:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:26:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-01-09 17:26:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-01-09 17:26:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-01-09 17:26:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-01-09 17:26:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-01-09 17:26:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-01-09 17:26:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:26:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:26:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:26:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:26:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:26:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:26:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2025-01-09 17:26:25,511 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2025-01-09 17:26:25,944 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:26:25,946 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:26:33,206 INFO L? ?]: Removed 266 outVars from TransFormulas that were not future-live. [2025-01-09 17:26:33,207 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:26:33,235 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:26:33,237 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-09 17:26:33,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:26:33 BoogieIcfgContainer [2025-01-09 17:26:33,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:26:33,240 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:26:33,240 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:26:33,245 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:26:33,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:26:22" (1/3) ... [2025-01-09 17:26:33,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f828650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:26:33, skipping insertion in model container [2025-01-09 17:26:33,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:24" (2/3) ... [2025-01-09 17:26:33,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f828650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:26:33, skipping insertion in model container [2025-01-09 17:26:33,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:26:33" (3/3) ... [2025-01-09 17:26:33,249 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_remove_harness.i [2025-01-09 17:26:33,265 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:26:33,267 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_remove_harness.i that has 34 procedures, 485 locations, 1 initial locations, 12 loop locations, and 2 error locations. [2025-01-09 17:26:33,340 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:26:33,353 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;@39fe0d04, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:26:33,354 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-01-09 17:26:33,361 INFO L276 IsEmpty]: Start isEmpty. Operand has 465 states, 268 states have (on average 1.242537313432836) internal successors, (333), 273 states have internal predecessors, (333), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) [2025-01-09 17:26:33,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-01-09 17:26:33,377 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:26:33,378 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:26:33,379 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:26:33,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:26:33,384 INFO L85 PathProgramCache]: Analyzing trace with hash -428123156, now seen corresponding path program 1 times [2025-01-09 17:26:33,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:26:33,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165429265] [2025-01-09 17:26:33,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:33,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:26:38,679 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-01-09 17:26:39,236 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-01-09 17:26:39,236 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:39,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:39,967 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2025-01-09 17:26:39,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:26:39,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165429265] [2025-01-09 17:26:39,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165429265] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:26:39,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317532597] [2025-01-09 17:26:39,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:39,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:26:39,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:26:39,972 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:26:39,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 17:26:44,709 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-01-09 17:26:45,332 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-01-09 17:26:45,333 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:45,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:45,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 4520 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 17:26:45,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:26:45,400 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2025-01-09 17:26:45,400 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:26:45,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317532597] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:26:45,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:26:45,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 17:26:45,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600380481] [2025-01-09 17:26:45,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:26:45,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 17:26:45,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:26:45,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 17:26:45,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 17:26:45,438 INFO L87 Difference]: Start difference. First operand has 465 states, 268 states have (on average 1.242537313432836) internal successors, (333), 273 states have internal predecessors, (333), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-01-09 17:26:45,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:26:45,540 INFO L93 Difference]: Finished difference Result 902 states and 1401 transitions. [2025-01-09 17:26:45,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 17:26:45,543 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 171 [2025-01-09 17:26:45,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:26:45,556 INFO L225 Difference]: With dead ends: 902 [2025-01-09 17:26:45,557 INFO L226 Difference]: Without dead ends: 458 [2025-01-09 17:26:45,564 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 17:26:45,567 INFO L435 NwaCegarLoop]: 656 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 17:26:45,568 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 17:26:45,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2025-01-09 17:26:45,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458. [2025-01-09 17:26:45,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 263 states have (on average 1.220532319391635) internal successors, (321), 266 states have internal predecessors, (321), 166 states have call successors, (166), 28 states have call predecessors, (166), 27 states have return successors, (164), 164 states have call predecessors, (164), 164 states have call successors, (164) [2025-01-09 17:26:45,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 651 transitions. [2025-01-09 17:26:45,681 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 651 transitions. Word has length 171 [2025-01-09 17:26:45,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:26:45,682 INFO L471 AbstractCegarLoop]: Abstraction has 458 states and 651 transitions. [2025-01-09 17:26:45,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-01-09 17:26:45,682 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 651 transitions. [2025-01-09 17:26:45,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2025-01-09 17:26:45,692 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:26:45,693 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:26:45,715 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 17:26:45,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 17:26:45,894 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:26:45,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:26:45,895 INFO L85 PathProgramCache]: Analyzing trace with hash -303069511, now seen corresponding path program 1 times [2025-01-09 17:26:45,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:26:45,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389169194] [2025-01-09 17:26:45,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:45,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:26:49,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-01-09 17:26:50,076 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-01-09 17:26:50,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:50,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:51,451 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2025-01-09 17:26:51,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:26:51,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389169194] [2025-01-09 17:26:51,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389169194] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:26:51,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558106011] [2025-01-09 17:26:51,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:51,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:26:51,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:26:51,455 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:26:51,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 17:26:55,865 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-01-09 17:26:56,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-01-09 17:26:56,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:56,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:56,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 4600 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-09 17:26:56,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:26:57,581 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2025-01-09 17:26:57,582 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:26:57,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558106011] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:26:57,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:26:57,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-01-09 17:26:57,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210589700] [2025-01-09 17:26:57,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:26:57,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 17:26:57,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:26:57,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 17:26:57,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-09 17:26:57,586 INFO L87 Difference]: Start difference. First operand 458 states and 651 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2025-01-09 17:27:01,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:27:01,231 INFO L93 Difference]: Finished difference Result 867 states and 1251 transitions. [2025-01-09 17:27:01,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 17:27:01,232 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 186 [2025-01-09 17:27:01,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:27:01,242 INFO L225 Difference]: With dead ends: 867 [2025-01-09 17:27:01,242 INFO L226 Difference]: Without dead ends: 460 [2025-01-09 17:27:01,246 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-01-09 17:27:01,248 INFO L435 NwaCegarLoop]: 578 mSDtfsCounter, 659 mSDsluCounter, 1667 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 2245 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2025-01-09 17:27:01,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 2245 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2025-01-09 17:27:01,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2025-01-09 17:27:01,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 460. [2025-01-09 17:27:01,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 264 states have (on average 1.2196969696969697) internal successors, (322), 268 states have internal predecessors, (322), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (177), 164 states have call predecessors, (177), 164 states have call successors, (177) [2025-01-09 17:27:01,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 665 transitions. [2025-01-09 17:27:01,314 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 665 transitions. Word has length 186 [2025-01-09 17:27:01,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:27:01,315 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 665 transitions. [2025-01-09 17:27:01,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2025-01-09 17:27:01,316 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 665 transitions. [2025-01-09 17:27:01,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2025-01-09 17:27:01,319 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:27:01,319 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:27:01,339 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-09 17:27:01,520 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 [2025-01-09 17:27:01,520 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:27:01,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:27:01,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1849969143, now seen corresponding path program 1 times [2025-01-09 17:27:01,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:27:01,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420075158] [2025-01-09 17:27:01,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:27:01,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:27:05,188 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-01-09 17:27:05,330 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-01-09 17:27:05,330 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:27:05,330 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:27:07,092 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2025-01-09 17:27:07,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:27:07,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420075158] [2025-01-09 17:27:07,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420075158] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:27:07,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488235098] [2025-01-09 17:27:07,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:27:07,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:27:07,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:27:07,096 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:27:07,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-09 17:27:11,337 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-01-09 17:27:11,808 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-01-09 17:27:11,808 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:27:11,808 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:27:11,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 4650 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 17:27:11,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:27:13,412 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2025-01-09 17:27:13,413 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:27:13,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [488235098] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:27:13,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:27:13,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2025-01-09 17:27:13,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514977386] [2025-01-09 17:27:13,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:27:13,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 17:27:13,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:27:13,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 17:27:13,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-01-09 17:27:13,415 INFO L87 Difference]: Start difference. First operand 460 states and 665 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2025-01-09 17:27:20,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:27:20,065 INFO L93 Difference]: Finished difference Result 890 states and 1322 transitions. [2025-01-09 17:27:20,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-09 17:27:20,066 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 194 [2025-01-09 17:27:20,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:27:20,071 INFO L225 Difference]: With dead ends: 890 [2025-01-09 17:27:20,071 INFO L226 Difference]: Without dead ends: 481 [2025-01-09 17:27:20,074 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2025-01-09 17:27:20,075 INFO L435 NwaCegarLoop]: 574 mSDtfsCounter, 690 mSDsluCounter, 2747 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 716 SdHoareTripleChecker+Valid, 3321 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2025-01-09 17:27:20,075 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [716 Valid, 3321 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2025-01-09 17:27:20,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2025-01-09 17:27:20,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2025-01-09 17:27:20,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 280 states have (on average 1.2285714285714286) internal successors, (344), 284 states have internal predecessors, (344), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2025-01-09 17:27:20,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 708 transitions. [2025-01-09 17:27:20,114 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 708 transitions. Word has length 194 [2025-01-09 17:27:20,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:27:20,116 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 708 transitions. [2025-01-09 17:27:20,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2025-01-09 17:27:20,116 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 708 transitions. [2025-01-09 17:27:20,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2025-01-09 17:27:20,119 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:27:20,119 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:27:20,139 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-09 17:27:20,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:27:20,320 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:27:20,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:27:20,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1183814186, now seen corresponding path program 1 times [2025-01-09 17:27:20,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:27:20,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660604812] [2025-01-09 17:27:20,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:27:20,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:27:23,792 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 209 statements into 1 equivalence classes. [2025-01-09 17:27:23,944 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 209 of 209 statements. [2025-01-09 17:27:23,944 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:27:23,944 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:27:25,444 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2025-01-09 17:27:25,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:27:25,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660604812] [2025-01-09 17:27:25,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660604812] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:27:25,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164723457] [2025-01-09 17:27:25,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:27:25,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:27:25,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:27:25,447 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) [2025-01-09 17:27:25,449 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 [2025-01-09 17:27:29,914 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 209 statements into 1 equivalence classes. [2025-01-09 17:27:30,463 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 209 of 209 statements. [2025-01-09 17:27:30,463 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:27:30,463 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:27:30,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 4777 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 17:27:30,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:27:31,706 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2025-01-09 17:27:31,707 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:27:31,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164723457] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:27:31,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:27:31,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2025-01-09 17:27:31,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866507259] [2025-01-09 17:27:31,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:27:31,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 17:27:31,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:27:31,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 17:27:31,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-01-09 17:27:31,709 INFO L87 Difference]: Start difference. First operand 479 states and 708 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2025-01-09 17:27:36,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:27:36,062 INFO L93 Difference]: Finished difference Result 913 states and 1381 transitions. [2025-01-09 17:27:36,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 17:27:36,063 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 209 [2025-01-09 17:27:36,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:27:36,071 INFO L225 Difference]: With dead ends: 913 [2025-01-09 17:27:36,071 INFO L226 Difference]: Without dead ends: 485 [2025-01-09 17:27:36,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2025-01-09 17:27:36,077 INFO L435 NwaCegarLoop]: 570 mSDtfsCounter, 675 mSDsluCounter, 2182 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 2752 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2025-01-09 17:27:36,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 2752 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2025-01-09 17:27:36,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2025-01-09 17:27:36,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 479. [2025-01-09 17:27:36,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 280 states have (on average 1.2285714285714286) internal successors, (344), 284 states have internal predecessors, (344), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2025-01-09 17:27:36,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 708 transitions. [2025-01-09 17:27:36,115 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 708 transitions. Word has length 209 [2025-01-09 17:27:36,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:27:36,116 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 708 transitions. [2025-01-09 17:27:36,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2025-01-09 17:27:36,116 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 708 transitions. [2025-01-09 17:27:36,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2025-01-09 17:27:36,119 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:27:36,119 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:27:36,148 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-09 17:27:36,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:27:36,321 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:27:36,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:27:36,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1052579797, now seen corresponding path program 1 times [2025-01-09 17:27:36,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:27:36,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721518941] [2025-01-09 17:27:36,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:27:36,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:27:39,856 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 225 statements into 1 equivalence classes. [2025-01-09 17:27:40,006 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 225 of 225 statements. [2025-01-09 17:27:40,007 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:27:40,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:27:41,954 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2025-01-09 17:27:41,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:27:41,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721518941] [2025-01-09 17:27:41,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721518941] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:27:41,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [23332129] [2025-01-09 17:27:41,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:27:41,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:27:41,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:27:41,957 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:27:41,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process