./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_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 78600a0192aa5022cfa892dc75b9c3e66d227a70dec366d4a7d6798475c28388 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:21:11,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:21:11,565 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:21:11,573 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:21:11,573 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:21:11,601 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:21:11,602 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:21:11,602 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:21:11,602 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:21:11,603 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:21:11,603 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:21:11,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:21:11,603 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:21:11,603 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:21:11,603 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:21:11,603 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:21:11,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:21:11,604 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:21:11,604 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:21:11,604 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:21:11,604 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:21:11,604 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:21:11,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:21:11,604 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:21:11,604 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:21:11,604 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:21:11,604 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:21:11,604 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:21:11,604 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:21:11,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:21:11,605 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:21:11,605 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:21:11,605 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:21:11,605 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:21:11,605 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:21:11,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:21:11,605 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:21:11,605 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:21:11,605 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:21:11,605 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:21:11,605 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 -> 78600a0192aa5022cfa892dc75b9c3e66d227a70dec366d4a7d6798475c28388 [2025-02-06 05:21:11,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:21:11,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:21:11,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:21:11,907 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:21:11,908 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:21:11,910 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i [2025-02-06 05:21:13,246 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e26fcfd05/c0f6eeab1c6e4a67a3779000ebd5a807/FLAG0d2344af3 [2025-02-06 05:21:13,858 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:21:13,859 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i [2025-02-06 05:21:13,907 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e26fcfd05/c0f6eeab1c6e4a67a3779000ebd5a807/FLAG0d2344af3 [2025-02-06 05:21:13,920 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e26fcfd05/c0f6eeab1c6e4a67a3779000ebd5a807 [2025-02-06 05:21:13,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:21:13,924 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:21:13,925 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:21:13,925 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:21:13,929 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:21:13,930 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:21:13" (1/1) ... [2025-02-06 05:21:13,931 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@557ea9f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:13, skipping insertion in model container [2025-02-06 05:21:13,931 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:21:13" (1/1) ... [2025-02-06 05:21:14,024 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:21:14,248 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_remove_node_harness.i[4506,4519] [2025-02-06 05:21:14,256 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_remove_node_harness.i[4566,4579] [2025-02-06 05:21:14,834 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:14,834 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:14,835 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:14,835 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:14,836 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:14,847 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:14,848 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:14,849 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:14,850 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:14,851 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:14,852 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:14,852 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:14,853 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,238 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,248 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,315 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,316 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,316 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,316 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,316 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,317 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,317 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,318 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,318 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,318 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,318 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,318 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,318 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,323 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,324 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,324 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,325 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,328 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,332 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,337 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,338 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,338 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,351 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,355 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,356 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,356 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,356 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,357 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:21:15,392 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:21:15,402 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_remove_node_harness.i[4506,4519] [2025-02-06 05:21:15,407 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_remove_node_harness.i[4566,4579] [2025-02-06 05:21:15,500 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,503 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,503 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,504 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,504 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,511 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,511 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,513 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,513 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,514 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,514 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,515 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,515 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,605 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,609 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7818-7829] [2025-02-06 05:21:15,636 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,637 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,637 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,638 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,638 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,639 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,639 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,639 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,640 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,640 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,640 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,640 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,640 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,641 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,641 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,641 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,641 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,643 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,643 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,649 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,651 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,652 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,659 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,661 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,661 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,662 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,662 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,663 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:15,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:21:15,835 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:21:15,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:15 WrapperNode [2025-02-06 05:21:15,835 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:21:15,837 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:21:15,837 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:21:15,837 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:21:15,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:15" (1/1) ... [2025-02-06 05:21:15,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:15" (1/1) ... [2025-02-06 05:21:15,985 INFO L138 Inliner]: procedures = 688, calls = 1968, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 746 [2025-02-06 05:21:15,986 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:21:15,986 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:21:15,987 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:21:15,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:21:16,002 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:15" (1/1) ... [2025-02-06 05:21:16,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:15" (1/1) ... [2025-02-06 05:21:16,010 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:15" (1/1) ... [2025-02-06 05:21:16,088 INFO L175 MemorySlicer]: Split 356 memory accesses to 5 slices as follows [2, 13, 76, 3, 262]. 74 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [2, 11, 0, 1, 11]. The 262 writes are split as follows [0, 0, 19, 1, 242]. [2025-02-06 05:21:16,089 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:15" (1/1) ... [2025-02-06 05:21:16,089 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:15" (1/1) ... [2025-02-06 05:21:16,150 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:15" (1/1) ... [2025-02-06 05:21:16,155 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:15" (1/1) ... [2025-02-06 05:21:16,170 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:15" (1/1) ... [2025-02-06 05:21:16,176 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:15" (1/1) ... [2025-02-06 05:21:16,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:21:16,192 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:21:16,192 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:21:16,192 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:21:16,193 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:15" (1/1) ... [2025-02-06 05:21:16,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:21:16,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:21:16,228 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 05:21:16,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 05:21:16,255 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-02-06 05:21:16,255 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-02-06 05:21:16,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:21:16,255 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-02-06 05:21:16,255 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-02-06 05:21:16,255 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-02-06 05:21:16,255 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-02-06 05:21:16,255 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:21:16,255 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:21:16,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:21:16,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:21:16,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:21:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:21:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:21:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:21:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:21:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:21:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:21:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:21:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 05:21:16,256 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 05:21:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:21:16,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:21:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:21:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:21:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:21:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:21:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:21:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:21:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:21:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:21:16,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:21:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:21:16,256 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:21:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-06 05:21:16,257 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-06 05:21:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-06 05:21:16,257 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-06 05:21:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:21:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:21:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:21:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:21:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:21:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-06 05:21:16,257 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-06 05:21:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-02-06 05:21:16,257 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-02-06 05:21:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-02-06 05:21:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-02-06 05:21:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:21:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:21:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-02-06 05:21:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-02-06 05:21:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:21:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:21:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:21:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:21:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:21:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:21:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:21:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:21:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:21:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:21:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:21:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 05:21:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 05:21:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-06 05:21:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-06 05:21:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_using_uint64_impl [2025-02-06 05:21:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_using_uint64_impl [2025-02-06 05:21:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:21:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:21:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:21:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:21:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:21:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-02-06 05:21:16,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-02-06 05:21:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:21:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:21:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:21:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:21:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:21:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2025-02-06 05:21:16,259 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2025-02-06 05:21:16,602 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:21:16,604 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:21:16,643 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc583.base, #t~malloc583.offset; [2025-02-06 05:21:16,645 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-06 05:21:16,677 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-06 05:21:16,827 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-02-06 05:21:16,908 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8319: havoc aws_priority_queue_backpointers_valid_#t~ret886#1;havoc aws_priority_queue_backpointers_valid_#t~short887#1; [2025-02-06 05:21:16,980 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2944: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2025-02-06 05:21:16,983 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:21:17,003 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7421: havoc #t~ret691.base, #t~ret691.offset; [2025-02-06 05:21:17,040 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3188: havoc #t~ret236; [2025-02-06 05:21:23,337 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2025-02-06 05:21:23,337 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:21:23,358 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:21:23,359 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:21:23,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:21:23 BoogieIcfgContainer [2025-02-06 05:21:23,359 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:21:23,362 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:21:23,364 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:21:23,367 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:21:23,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:21:13" (1/3) ... [2025-02-06 05:21:23,368 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8c503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:21:23, skipping insertion in model container [2025-02-06 05:21:23,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:15" (2/3) ... [2025-02-06 05:21:23,369 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8c503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:21:23, skipping insertion in model container [2025-02-06 05:21:23,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:21:23" (3/3) ... [2025-02-06 05:21:23,371 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_remove_node_harness.i [2025-02-06 05:21:23,384 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:21:23,385 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_s_remove_node_harness.i that has 20 procedures, 244 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-02-06 05:21:23,441 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:21:23,453 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;@476822b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:21:23,453 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 05:21:23,458 INFO L276 IsEmpty]: Start isEmpty. Operand has 244 states, 158 states have (on average 1.2658227848101267) internal successors, (200), 159 states have internal predecessors, (200), 65 states have call successors, (65), 19 states have call predecessors, (65), 19 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2025-02-06 05:21:23,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2025-02-06 05:21:23,469 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:21:23,470 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:21:23,470 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:21:23,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:21:23,474 INFO L85 PathProgramCache]: Analyzing trace with hash -2036648883, now seen corresponding path program 1 times [2025-02-06 05:21:23,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:21:23,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683946352] [2025-02-06 05:21:23,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:23,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:21:28,448 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-02-06 05:21:28,894 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-02-06 05:21:28,895 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:28,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:29,500 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2025-02-06 05:21:29,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:21:29,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683946352] [2025-02-06 05:21:29,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683946352] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:21:29,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827567815] [2025-02-06 05:21:29,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:29,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:21:29,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:21:29,509 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:21:29,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 05:21:34,373 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-02-06 05:21:34,999 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-02-06 05:21:34,999 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:34,999 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:35,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 4452 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 05:21:35,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:21:35,055 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2025-02-06 05:21:35,055 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:21:35,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827567815] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:21:35,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:21:35,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 05:21:35,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538469014] [2025-02-06 05:21:35,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:21:35,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 05:21:35,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:21:35,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 05:21:35,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 05:21:35,084 INFO L87 Difference]: Start difference. First operand has 244 states, 158 states have (on average 1.2658227848101267) internal successors, (200), 159 states have internal predecessors, (200), 65 states have call successors, (65), 19 states have call predecessors, (65), 19 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-02-06 05:21:35,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:21:35,133 INFO L93 Difference]: Finished difference Result 465 states and 664 transitions. [2025-02-06 05:21:35,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 05:21:35,135 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 147 [2025-02-06 05:21:35,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:21:35,142 INFO L225 Difference]: With dead ends: 465 [2025-02-06 05:21:35,142 INFO L226 Difference]: Without dead ends: 239 [2025-02-06 05:21:35,149 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 05:21:35,151 INFO L435 NwaCegarLoop]: 328 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, 328 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 [2025-02-06 05:21:35,151 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 05:21:35,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2025-02-06 05:21:35,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2025-02-06 05:21:35,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 154 states have (on average 1.2597402597402598) internal successors, (194), 155 states have internal predecessors, (194), 65 states have call successors, (65), 19 states have call predecessors, (65), 19 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2025-02-06 05:21:35,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 323 transitions. [2025-02-06 05:21:35,206 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 323 transitions. Word has length 147 [2025-02-06 05:21:35,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:21:35,208 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 323 transitions. [2025-02-06 05:21:35,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-02-06 05:21:35,209 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 323 transitions. [2025-02-06 05:21:35,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2025-02-06 05:21:35,214 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:21:35,214 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:21:35,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 05:21:35,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 05:21:35,415 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:21:35,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:21:35,416 INFO L85 PathProgramCache]: Analyzing trace with hash 394078927, now seen corresponding path program 1 times [2025-02-06 05:21:35,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:21:35,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884781567] [2025-02-06 05:21:35,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:35,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:21:39,670 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-02-06 05:21:39,899 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-02-06 05:21:39,902 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:39,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:43,032 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-02-06 05:21:43,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:21:43,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884781567] [2025-02-06 05:21:43,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884781567] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:21:43,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523639222] [2025-02-06 05:21:43,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:43,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:21:43,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:21:43,035 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:21:43,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 05:21:47,621 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-02-06 05:21:48,146 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-02-06 05:21:48,146 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:48,146 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:48,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 4452 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-06 05:21:48,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:21:48,793 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2025-02-06 05:21:48,793 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 05:21:50,722 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-02-06 05:21:50,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523639222] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 05:21:50,722 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 05:21:50,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 7 [2025-02-06 05:21:50,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952061331] [2025-02-06 05:21:50,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 05:21:50,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 05:21:50,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:21:50,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 05:21:50,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 05:21:50,725 INFO L87 Difference]: Start difference. First operand 239 states and 323 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 6 states have internal predecessors, (59), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 4 states have call predecessors, (24), 3 states have call successors, (24) [2025-02-06 05:21:51,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:21:51,269 INFO L93 Difference]: Finished difference Result 415 states and 570 transitions. [2025-02-06 05:21:51,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 05:21:51,270 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 6 states have internal predecessors, (59), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 4 states have call predecessors, (24), 3 states have call successors, (24) Word has length 147 [2025-02-06 05:21:51,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:21:51,274 INFO L225 Difference]: With dead ends: 415 [2025-02-06 05:21:51,275 INFO L226 Difference]: Without dead ends: 261 [2025-02-06 05:21:51,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-06 05:21:51,277 INFO L435 NwaCegarLoop]: 318 mSDtfsCounter, 10 mSDsluCounter, 1585 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1903 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 05:21:51,277 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1903 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 05:21:51,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2025-02-06 05:21:51,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 257. [2025-02-06 05:21:51,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 167 states have (on average 1.2574850299401197) internal successors, (210), 168 states have internal predecessors, (210), 69 states have call successors, (69), 19 states have call predecessors, (69), 20 states have return successors, (73), 69 states have call predecessors, (73), 68 states have call successors, (73) [2025-02-06 05:21:51,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 352 transitions. [2025-02-06 05:21:51,300 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 352 transitions. Word has length 147 [2025-02-06 05:21:51,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:21:51,301 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 352 transitions. [2025-02-06 05:21:51,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 6 states have internal predecessors, (59), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 4 states have call predecessors, (24), 3 states have call successors, (24) [2025-02-06 05:21:51,301 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 352 transitions. [2025-02-06 05:21:51,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2025-02-06 05:21:51,304 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:21:51,304 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:21:51,326 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 05:21:51,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:21:51,505 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:21:51,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:21:51,506 INFO L85 PathProgramCache]: Analyzing trace with hash -116455250, now seen corresponding path program 1 times [2025-02-06 05:21:51,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:21:51,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700350888] [2025-02-06 05:21:51,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:51,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:21:55,162 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-02-06 05:21:55,547 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-02-06 05:21:55,547 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:55,547 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:58,508 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2025-02-06 05:21:58,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:21:58,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700350888] [2025-02-06 05:21:58,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700350888] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:21:58,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560036396] [2025-02-06 05:21:58,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:58,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:21:58,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:21:58,512 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:21:58,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 05:22:03,127 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-02-06 05:22:03,630 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-02-06 05:22:03,630 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:22:03,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:22:03,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 4449 conjuncts, 97 conjuncts are in the unsatisfiable core [2025-02-06 05:22:03,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:22:03,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2025-02-06 05:22:03,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2025-02-06 05:22:09,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2025-02-06 05:22:09,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-06 05:22:10,207 INFO L349 Elim1Store]: treesize reduction 39, result has 32.8 percent of original size [2025-02-06 05:22:10,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 35 [2025-02-06 05:22:10,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-06 05:22:10,564 INFO L349 Elim1Store]: treesize reduction 39, result has 32.8 percent of original size [2025-02-06 05:22:10,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 35 [2025-02-06 05:22:17,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2025-02-06 05:22:17,572 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-06 05:22:17,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2025-02-06 05:22:17,596 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-06 05:22:17,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2025-02-06 05:22:21,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15