./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_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_s_sift_up_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 9f01133064e8d36e68b9f85134d72a09d965175ad33f2003b7d0ebb14c50d01e --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:27:28,302 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:27:28,371 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:27:28,376 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:27:28,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:27:28,394 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:27:28,395 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:27:28,395 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:27:28,396 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:27:28,396 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:27:28,396 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:27:28,396 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:27:28,396 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:27:28,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:27:28,397 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:27:28,397 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:27:28,397 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:27:28,397 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:27:28,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:27:28,397 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:27:28,397 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:27:28,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:27:28,400 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:27:28,400 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:27:28,400 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:27:28,400 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:27:28,400 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:27:28,401 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:27:28,401 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:27:28,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:27:28,401 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:27:28,401 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:27:28,401 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:27:28,401 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:27:28,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:27:28,402 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:27:28,402 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:27:28,402 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:27:28,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:27:28,402 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:27:28,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:27:28,403 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:27:28,403 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:27:28,403 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:27:28,403 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:27:28,403 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 -> 9f01133064e8d36e68b9f85134d72a09d965175ad33f2003b7d0ebb14c50d01e [2025-01-09 17:27:28,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:27:28,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:27:28,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:27:28,686 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:27:28,686 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:27:28,688 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i [2025-01-09 17:27:30,061 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8b90b2b55/cc8fa49722004906b2554004964f4ef9/FLAG9ae294a91 [2025-01-09 17:27:30,698 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:27:30,699 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i [2025-01-09 17:27:30,752 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8b90b2b55/cc8fa49722004906b2554004964f4ef9/FLAG9ae294a91 [2025-01-09 17:27:30,775 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8b90b2b55/cc8fa49722004906b2554004964f4ef9 [2025-01-09 17:27:30,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:27:30,780 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:27:30,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:27:30,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:27:30,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:27:30,788 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:27:30" (1/1) ... [2025-01-09 17:27:30,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c47d700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:30, skipping insertion in model container [2025-01-09 17:27:30,790 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:27:30" (1/1) ... [2025-01-09 17:27:30,895 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:27:31,215 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_s_sift_up_harness.i[4502,4515] [2025-01-09 17:27:31,225 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_s_sift_up_harness.i[4562,4575] [2025-01-09 17:27:32,510 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:32,511 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:32,511 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:32,512 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:32,512 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:32,524 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:32,525 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:32,526 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:32,527 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:32,528 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:32,529 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:32,530 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:32,530 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,113 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,113 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,128 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,134 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,260 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,260 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,261 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,261 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,261 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,262 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,263 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,264 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,264 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,264 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,265 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,265 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,265 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,271 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,271 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,273 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,273 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,276 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,281 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,293 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,294 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,295 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:27:33,374 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:27:33,389 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_s_sift_up_harness.i[4502,4515] [2025-01-09 17:27:33,390 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_s_sift_up_harness.i[4562,4575] [2025-01-09 17:27:33,454 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,455 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,455 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,456 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,456 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,465 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,465 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,466 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,466 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,468 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,469 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,469 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,470 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,581 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,581 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,584 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,589 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7776-7787] [2025-01-09 17:27:33,662 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,663 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,663 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,663 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,663 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,663 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,664 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,664 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,664 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,664 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,664 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,664 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,664 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,665 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,665 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,665 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,665 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,669 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,670 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,675 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,676 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,676 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:33,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:27:33,944 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:27:33,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:33 WrapperNode [2025-01-09 17:27:33,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:27:33,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:27:33,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:27:33,948 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:27:33,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:33" (1/1) ... [2025-01-09 17:27:34,056 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:33" (1/1) ... [2025-01-09 17:27:34,129 INFO L138 Inliner]: procedures = 686, calls = 1900, calls flagged for inlining = 60, calls inlined = 14, statements flattened = 845 [2025-01-09 17:27:34,130 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:27:34,130 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:27:34,130 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:27:34,131 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:27:34,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:33" (1/1) ... [2025-01-09 17:27:34,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:33" (1/1) ... [2025-01-09 17:27:34,155 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:33" (1/1) ... [2025-01-09 17:27:34,256 INFO L175 MemorySlicer]: Split 333 memory accesses to 6 slices as follows [238, 2, 65, 18, 3, 7]. 71 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [6, 2, 0, 5, 1, 2]. The 257 writes are split as follows [232, 0, 17, 6, 1, 1]. [2025-01-09 17:27:34,257 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:33" (1/1) ... [2025-01-09 17:27:34,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:33" (1/1) ... [2025-01-09 17:27:34,286 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:33" (1/1) ... [2025-01-09 17:27:34,289 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:33" (1/1) ... [2025-01-09 17:27:34,297 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:33" (1/1) ... [2025-01-09 17:27:34,309 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:33" (1/1) ... [2025-01-09 17:27:34,318 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:33" (1/1) ... [2025-01-09 17:27:34,341 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:27:34,346 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:27:34,346 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:27:34,346 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:27:34,351 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:33" (1/1) ... [2025-01-09 17:27:34,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:27:34,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:27:34,388 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 17:27:34,392 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 17:27:34,408 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-01-09 17:27:34,408 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-01-09 17:27:34,408 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-01-09 17:27:34,408 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-01-09 17:27:34,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:27:34,408 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-01-09 17:27:34,409 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-01-09 17:27:34,409 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-01-09 17:27:34,409 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-01-09 17:27:34,409 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:27:34,409 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:27:34,409 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-01-09 17:27:34,409 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-01-09 17:27:34,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:27:34,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:27:34,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:27:34,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:27:34,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:27:34,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:27:34,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:27:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:27:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:27:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:27:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:27:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:27:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 17:27:34,411 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 17:27:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:27:34,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:27:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:27:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:27:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:27:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:27:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:27:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:27:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:27:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:27:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-01-09 17:27:34,411 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-01-09 17:27:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-01-09 17:27:34,411 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-01-09 17:27:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:27:34,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:27:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:27:34,411 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:27:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-01-09 17:27:34,412 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-01-09 17:27:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-01-09 17:27:34,412 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-01-09 17:27:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:27:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:27:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:27:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:27:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:27:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:27:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-01-09 17:27:34,412 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-01-09 17:27:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-01-09 17:27:34,412 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-01-09 17:27:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-01-09 17:27:34,412 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-01-09 17:27:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:27:34,412 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:27:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-01-09 17:27:34,412 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-01-09 17:27:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:27:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:27:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:27:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:27:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:27:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:27:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:27:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:27:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:27:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:27:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:27:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:27:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:27:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-01-09 17:27:34,413 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-01-09 17:27:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:27:34,413 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:27:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-01-09 17:27:34,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-01-09 17:27:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:27:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:27:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:27:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:27:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:27:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:27:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-01-09 17:27:34,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-01-09 17:27:34,415 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-01-09 17:27:34,415 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-01-09 17:27:34,415 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-01-09 17:27:34,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-01-09 17:27:34,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:27:34,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:27:34,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:27:34,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:27:34,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:27:34,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:27:34,736 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:27:34,739 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:27:41,539 INFO L? ?]: Removed 196 outVars from TransFormulas that were not future-live. [2025-01-09 17:27:41,540 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:27:41,562 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:27:41,562 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-09 17:27:41,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:27:41 BoogieIcfgContainer [2025-01-09 17:27:41,563 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:27:41,565 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:27:41,566 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:27:41,570 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:27:41,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:27:30" (1/3) ... [2025-01-09 17:27:41,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@511a2625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:27:41, skipping insertion in model container [2025-01-09 17:27:41,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:33" (2/3) ... [2025-01-09 17:27:41,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@511a2625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:27:41, skipping insertion in model container [2025-01-09 17:27:41,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:27:41" (3/3) ... [2025-01-09 17:27:41,575 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_up_harness.i [2025-01-09 17:27:41,589 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:27:41,592 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_s_sift_up_harness.i that has 25 procedures, 321 locations, 1 initial locations, 5 loop locations, and 2 error locations. [2025-01-09 17:27:41,653 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:27:41,668 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;@1573e82e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:27:41,669 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-01-09 17:27:41,673 INFO L276 IsEmpty]: Start isEmpty. Operand has 321 states, 192 states have (on average 1.2239583333333333) internal successors, (235), 195 states have internal predecessors, (235), 102 states have call successors, (102), 24 states have call predecessors, (102), 24 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2025-01-09 17:27:41,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2025-01-09 17:27:41,691 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:27:41,693 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 3, 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] [2025-01-09 17:27:41,693 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:27:41,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:27:41,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1688929990, now seen corresponding path program 1 times [2025-01-09 17:27:41,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:27:41,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284751544] [2025-01-09 17:27:41,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:27:41,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:27:46,586 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-01-09 17:27:47,104 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-01-09 17:27:47,105 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:27:47,105 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:27:47,678 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-01-09 17:27:47,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:27:47,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284751544] [2025-01-09 17:27:47,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284751544] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:27:47,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239609149] [2025-01-09 17:27:47,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:27:47,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:27:47,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:27:47,684 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 17:27:47,685 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 17:27:52,580 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-01-09 17:27:53,197 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-01-09 17:27:53,197 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:27:53,197 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:27:53,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 4433 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 17:27:53,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:27:53,247 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-01-09 17:27:53,247 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:27:53,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239609149] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:27:53,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:27:53,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 17:27:53,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966165286] [2025-01-09 17:27:53,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:27:53,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 17:27:53,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:27:53,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 17:27:53,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 17:27:53,277 INFO L87 Difference]: Start difference. First operand has 321 states, 192 states have (on average 1.2239583333333333) internal successors, (235), 195 states have internal predecessors, (235), 102 states have call successors, (102), 24 states have call predecessors, (102), 24 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-01-09 17:27:53,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:27:53,341 INFO L93 Difference]: Finished difference Result 617 states and 906 transitions. [2025-01-09 17:27:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 17:27:53,344 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 137 [2025-01-09 17:27:53,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:27:53,357 INFO L225 Difference]: With dead ends: 617 [2025-01-09 17:27:53,357 INFO L226 Difference]: Without dead ends: 314 [2025-01-09 17:27:53,363 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 138 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 17:27:53,365 INFO L435 NwaCegarLoop]: 432 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, 432 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 17:27:53,366 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 17:27:53,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2025-01-09 17:27:53,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 314. [2025-01-09 17:27:53,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 187 states have (on average 1.2032085561497325) internal successors, (225), 189 states have internal predecessors, (225), 102 states have call successors, (102), 24 states have call predecessors, (102), 23 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2025-01-09 17:27:53,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 427 transitions. [2025-01-09 17:27:53,458 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 427 transitions. Word has length 137 [2025-01-09 17:27:53,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:27:53,460 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 427 transitions. [2025-01-09 17:27:53,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-01-09 17:27:53,461 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 427 transitions. [2025-01-09 17:27:53,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2025-01-09 17:27:53,468 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:27:53,468 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 3, 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] [2025-01-09 17:27:53,486 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 17:27:53,669 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 17:27:53,669 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:27:53,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:27:53,670 INFO L85 PathProgramCache]: Analyzing trace with hash -721147532, now seen corresponding path program 1 times [2025-01-09 17:27:53,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:27:53,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895799375] [2025-01-09 17:27:53,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:27:53,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:27:57,986 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-01-09 17:27:58,170 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-01-09 17:27:58,171 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:27:58,171 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:27:59,622 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-01-09 17:27:59,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:27:59,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895799375] [2025-01-09 17:27:59,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895799375] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:27:59,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164451584] [2025-01-09 17:27:59,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:27:59,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:27:59,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:27:59,625 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 17:27:59,626 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 17:28:04,180 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-01-09 17:28:04,696 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-01-09 17:28:04,696 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:28:04,696 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:28:04,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 4433 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-09 17:28:04,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:28:05,743 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2025-01-09 17:28:05,743 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:28:05,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164451584] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:28:05,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:28:05,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-01-09 17:28:05,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086036859] [2025-01-09 17:28:05,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:28:05,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 17:28:05,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:28:05,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 17:28:05,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-09 17:28:05,746 INFO L87 Difference]: Start difference. First operand 314 states and 427 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2025-01-09 17:28:07,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:28:07,766 INFO L93 Difference]: Finished difference Result 582 states and 796 transitions. [2025-01-09 17:28:07,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 17:28:07,767 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 137 [2025-01-09 17:28:07,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:28:07,771 INFO L225 Difference]: With dead ends: 582 [2025-01-09 17:28:07,771 INFO L226 Difference]: Without dead ends: 316 [2025-01-09 17:28:07,773 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-01-09 17:28:07,774 INFO L435 NwaCegarLoop]: 381 mSDtfsCounter, 428 mSDsluCounter, 1107 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 1488 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-01-09 17:28:07,774 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 1488 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-01-09 17:28:07,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2025-01-09 17:28:07,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2025-01-09 17:28:07,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 188 states have (on average 1.202127659574468) internal successors, (226), 191 states have internal predecessors, (226), 102 states have call successors, (102), 24 states have call predecessors, (102), 24 states have return successors, (104), 100 states have call predecessors, (104), 100 states have call successors, (104) [2025-01-09 17:28:07,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 432 transitions. [2025-01-09 17:28:07,811 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 432 transitions. Word has length 137 [2025-01-09 17:28:07,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:28:07,811 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 432 transitions. [2025-01-09 17:28:07,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2025-01-09 17:28:07,812 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 432 transitions. [2025-01-09 17:28:07,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-01-09 17:28:07,813 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:28:07,814 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 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] [2025-01-09 17:28:07,833 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 17:28:08,014 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 [2025-01-09 17:28:08,015 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:28:08,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:28:08,015 INFO L85 PathProgramCache]: Analyzing trace with hash -231009108, now seen corresponding path program 1 times [2025-01-09 17:28:08,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:28:08,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481291546] [2025-01-09 17:28:08,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:28:08,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:28:11,972 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-01-09 17:28:12,109 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-01-09 17:28:12,109 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:28:12,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:28:13,742 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-01-09 17:28:13,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:28:13,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481291546] [2025-01-09 17:28:13,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481291546] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:28:13,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684055835] [2025-01-09 17:28:13,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:28:13,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:28:13,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:28:13,747 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 17:28:13,748 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 17:28:18,103 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-01-09 17:28:18,576 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-01-09 17:28:18,576 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:28:18,576 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:28:18,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 4483 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-09 17:28:18,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:28:20,110 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2025-01-09 17:28:20,110 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:28:20,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684055835] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:28:20,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:28:20,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2025-01-09 17:28:20,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868748783] [2025-01-09 17:28:20,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:28:20,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 17:28:20,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:28:20,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 17:28:20,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2025-01-09 17:28:20,112 INFO L87 Difference]: Start difference. First operand 316 states and 432 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-01-09 17:28:22,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:28:22,776 INFO L93 Difference]: Finished difference Result 605 states and 843 transitions. [2025-01-09 17:28:22,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 17:28:22,777 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 145 [2025-01-09 17:28:22,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:28:22,781 INFO L225 Difference]: With dead ends: 605 [2025-01-09 17:28:22,781 INFO L226 Difference]: Without dead ends: 337 [2025-01-09 17:28:22,783 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2025-01-09 17:28:22,784 INFO L435 NwaCegarLoop]: 415 mSDtfsCounter, 40 mSDsluCounter, 1979 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 2394 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2025-01-09 17:28:22,784 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 2394 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2025-01-09 17:28:22,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2025-01-09 17:28:22,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2025-01-09 17:28:22,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 204 states have (on average 1.2156862745098038) internal successors, (248), 207 states have internal predecessors, (248), 104 states have call successors, (104), 24 states have call predecessors, (104), 25 states have return successors, (117), 103 states have call predecessors, (117), 102 states have call successors, (117) [2025-01-09 17:28:22,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 469 transitions. [2025-01-09 17:28:22,821 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 469 transitions. Word has length 145 [2025-01-09 17:28:22,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:28:22,821 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 469 transitions. [2025-01-09 17:28:22,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-01-09 17:28:22,822 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 469 transitions. [2025-01-09 17:28:22,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-01-09 17:28:22,824 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:28:22,824 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 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] [2025-01-09 17:28:22,843 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 17:28:23,025 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 17:28:23,025 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:28:23,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:28:23,026 INFO L85 PathProgramCache]: Analyzing trace with hash 993147305, now seen corresponding path program 1 times [2025-01-09 17:28:23,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:28:23,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502449959] [2025-01-09 17:28:23,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:28:23,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:28:26,788 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-01-09 17:28:26,926 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-01-09 17:28:26,927 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:28:26,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:28:28,493 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-01-09 17:28:28,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:28:28,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502449959] [2025-01-09 17:28:28,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502449959] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:28:28,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403752472] [2025-01-09 17:28:28,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:28:28,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:28:28,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:28:28,498 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 17:28:28,500 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 17:28:33,164 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-01-09 17:28:33,659 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-01-09 17:28:33,659 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:28:33,659 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:28:33,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 4610 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 17:28:33,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:28:34,954 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2025-01-09 17:28:34,954 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:28:34,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403752472] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:28:34,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:28:34,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2025-01-09 17:28:34,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133675140] [2025-01-09 17:28:34,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:28:34,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 17:28:34,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:28:34,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 17:28:34,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-01-09 17:28:34,956 INFO L87 Difference]: Start difference. First operand 335 states and 469 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2025-01-09 17:28:38,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:28:38,379 INFO L93 Difference]: Finished difference Result 628 states and 887 transitions. [2025-01-09 17:28:38,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 17:28:38,380 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 160 [2025-01-09 17:28:38,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:28:38,383 INFO L225 Difference]: With dead ends: 628 [2025-01-09 17:28:38,384 INFO L226 Difference]: Without dead ends: 341 [2025-01-09 17:28:38,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2025-01-09 17:28:38,386 INFO L435 NwaCegarLoop]: 373 mSDtfsCounter, 444 mSDsluCounter, 1434 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 1807 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2025-01-09 17:28:38,386 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 1807 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2025-01-09 17:28:38,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2025-01-09 17:28:38,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 335. [2025-01-09 17:28:38,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 204 states have (on average 1.2156862745098038) internal successors, (248), 207 states have internal predecessors, (248), 104 states have call successors, (104), 24 states have call predecessors, (104), 25 states have return successors, (117), 103 states have call predecessors, (117), 102 states have call successors, (117) [2025-01-09 17:28:38,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 469 transitions. [2025-01-09 17:28:38,409 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 469 transitions. Word has length 160 [2025-01-09 17:28:38,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:28:38,410 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 469 transitions. [2025-01-09 17:28:38,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2025-01-09 17:28:38,410 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 469 transitions. [2025-01-09 17:28:38,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2025-01-09 17:28:38,412 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:28:38,412 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 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] [2025-01-09 17:28:38,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-09 17:28:38,613 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 17:28:38,613 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:28:38,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:28:38,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1028383104, now seen corresponding path program 1 times [2025-01-09 17:28:38,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:28:38,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755045506] [2025-01-09 17:28:38,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:28:38,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:28:42,342 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-01-09 17:28:42,493 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-01-09 17:28:42,493 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:28:42,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:28:44,545 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2025-01-09 17:28:44,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:28:44,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755045506] [2025-01-09 17:28:44,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755045506] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:28:44,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340707574] [2025-01-09 17:28:44,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:28:44,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:28:44,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:28:44,548 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 17:28:44,549 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 [2025-01-09 17:28:49,132 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-01-09 17:28:49,665 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-01-09 17:28:49,666 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:28:49,666 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:28:49,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 4682 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-09 17:28:49,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:28:51,883 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2025-01-09 17:28:51,884 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:28:51,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340707574] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:28:51,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:28:51,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2025-01-09 17:28:51,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032570625] [2025-01-09 17:28:51,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:28:51,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 17:28:51,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:28:51,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 17:28:51,886 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2025-01-09 17:28:51,886 INFO L87 Difference]: Start difference. First operand 335 states and 469 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 5 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2025-01-09 17:28:55,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:28:55,266 INFO L93 Difference]: Finished difference Result 655 states and 926 transitions. [2025-01-09 17:28:55,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-09 17:28:55,266 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 5 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) Word has length 176 [2025-01-09 17:28:55,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:28:55,270 INFO L225 Difference]: With dead ends: 655 [2025-01-09 17:28:55,270 INFO L226 Difference]: Without dead ends: 368 [2025-01-09 17:28:55,272 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2025-01-09 17:28:55,273 INFO L435 NwaCegarLoop]: 390 mSDtfsCounter, 62 mSDsluCounter, 2239 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 2629 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2025-01-09 17:28:55,273 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 2629 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2025-01-09 17:28:55,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2025-01-09 17:28:55,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 335. [2025-01-09 17:28:55,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 204 states have (on average 1.2156862745098038) internal successors, (248), 207 states have internal predecessors, (248), 104 states have call successors, (104), 24 states have call predecessors, (104), 25 states have return successors, (117), 103 states have call predecessors, (117), 102 states have call successors, (117) [2025-01-09 17:28:55,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 469 transitions. [2025-01-09 17:28:55,293 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 469 transitions. Word has length 176 [2025-01-09 17:28:55,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:28:55,294 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 469 transitions. [2025-01-09 17:28:55,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 5 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2025-01-09 17:28:55,294 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 469 transitions. [2025-01-09 17:28:55,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2025-01-09 17:28:55,296 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:28:55,297 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 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, 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] [2025-01-09 17:28:55,322 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0