./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fafc38909a055846da1b41b1ae706143d92ef6bb742651c374b2236f4f92c5ee --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:26:21,707 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:26:21,779 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:26:21,786 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:26:21,786 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:26:21,822 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:26:21,823 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:26:21,823 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:26:21,824 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:26:21,824 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:26:21,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:26:21,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:26:21,824 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:26:21,824 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:26:21,825 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:26:21,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:26:21,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:26:21,825 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:26:21,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:26:21,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:26:21,825 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:26:21,825 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:26:21,825 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:26:21,825 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:26:21,826 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:26:21,826 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:26:21,826 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:26:21,826 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:26:21,826 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:26:21,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:26:21,826 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:26:21,826 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:26:21,826 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:26:21,826 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:26:21,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:26:21,826 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:26:21,826 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:26:21,827 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:26:21,827 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:26:21,827 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:26:21,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:26:21,827 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:26:21,827 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:26:21,827 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:26:21,827 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:26:21,827 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 -> fafc38909a055846da1b41b1ae706143d92ef6bb742651c374b2236f4f92c5ee [2025-01-09 17:26:22,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:26:22,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:26:22,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:26:22,141 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:26:22,142 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:26:22,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i [2025-01-09 17:26:23,457 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f39970b58/5c1331b1730944fc8f55f42316aa873e/FLAGa18f587df [2025-01-09 17:26:23,976 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:26:23,977 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i [2025-01-09 17:26:24,013 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f39970b58/5c1331b1730944fc8f55f42316aa873e/FLAGa18f587df [2025-01-09 17:26:24,032 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f39970b58/5c1331b1730944fc8f55f42316aa873e [2025-01-09 17:26:24,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:26:24,037 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:26:24,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:26:24,038 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:26:24,043 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:26:24,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:26:24" (1/1) ... [2025-01-09 17:26:24,044 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19a335aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:24, skipping insertion in model container [2025-01-09 17:26:24,044 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:26:24" (1/1) ... [2025-01-09 17:26:24,127 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:26:24,382 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i[4499,4512] [2025-01-09 17:26:24,391 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i[4559,4572] [2025-01-09 17:26:25,030 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,030 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,031 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,031 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,032 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,049 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,053 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,054 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,054 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,057 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,058 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,060 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,060 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,451 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,460 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,539 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,539 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,539 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,540 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,540 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,540 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,540 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,541 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,541 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,541 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,541 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,542 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,542 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,544 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,545 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,545 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,545 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,548 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,548 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,557 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,558 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,558 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,572 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,572 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,573 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:26:25,609 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:26:25,622 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i[4499,4512] [2025-01-09 17:26:25,623 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i[4559,4572] [2025-01-09 17:26:25,681 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,682 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,682 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,682 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,683 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,693 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,694 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,730 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,731 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,731 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,732 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,732 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,732 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,819 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,823 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2025-01-09 17:26:25,851 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,853 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,853 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,853 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,854 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,854 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,854 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,854 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,855 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,855 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,855 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,855 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,855 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,856 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,856 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,857 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,857 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,859 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,859 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,865 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,866 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,866 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,874 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,874 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,874 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:25,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:26:26,096 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:26:26,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:26 WrapperNode [2025-01-09 17:26:26,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:26:26,098 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:26:26,098 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:26:26,098 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:26:26,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:26" (1/1) ... [2025-01-09 17:26:26,165 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:26" (1/1) ... [2025-01-09 17:26:26,231 INFO L138 Inliner]: procedures = 686, calls = 1933, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 1082 [2025-01-09 17:26:26,232 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:26:26,232 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:26:26,232 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:26:26,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:26:26,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:26" (1/1) ... [2025-01-09 17:26:26,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:26" (1/1) ... [2025-01-09 17:26:26,262 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:26" (1/1) ... [2025-01-09 17:26:26,376 INFO L175 MemorySlicer]: Split 396 memory accesses to 6 slices as follows [2, 3, 17, 264, 97, 13]. 67 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [2, 1, 4, 12, 0, 11]. The 262 writes are split as follows [0, 1, 3, 240, 18, 0]. [2025-01-09 17:26:26,377 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:26" (1/1) ... [2025-01-09 17:26:26,377 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:26" (1/1) ... [2025-01-09 17:26:26,419 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:26" (1/1) ... [2025-01-09 17:26:26,426 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:26" (1/1) ... [2025-01-09 17:26:26,436 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:26" (1/1) ... [2025-01-09 17:26:26,452 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:26" (1/1) ... [2025-01-09 17:26:26,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:26" (1/1) ... [2025-01-09 17:26:26,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:26:26,492 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:26:26,492 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:26:26,493 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:26:26,493 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:26" (1/1) ... [2025-01-09 17:26:26,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:26:26,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:26:26,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 17:26:26,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 17:26:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-01-09 17:26:26,552 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-01-09 17:26:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-01-09 17:26:26,552 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-01-09 17:26:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:26:26,553 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-01-09 17:26:26,553 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-01-09 17:26:26,553 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-01-09 17:26:26,553 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-01-09 17:26:26,554 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:26:26,554 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:26:26,554 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-01-09 17:26:26,554 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-01-09 17:26:26,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:26:26,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:26:26,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:26:26,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:26:26,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:26:26,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:26:26,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:26:26,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:26:26,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:26:26,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:26:26,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:26:26,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:26:26,555 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 17:26:26,555 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 17:26:26,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:26:26,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:26:26,556 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2025-01-09 17:26:26,556 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2025-01-09 17:26:26,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:26:26,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:26:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:26:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:26:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:26:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:26:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:26:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:26:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-01-09 17:26:26,557 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-01-09 17:26:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-01-09 17:26:26,557 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-01-09 17:26:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:26:26,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:26:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:26:26,558 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:26:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-01-09 17:26:26,558 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-01-09 17:26:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-01-09 17:26:26,558 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-01-09 17:26:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:26:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:26:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:26:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:26:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:26:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:26:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-01-09 17:26:26,558 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-01-09 17:26:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-01-09 17:26:26,558 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-01-09 17:26:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-01-09 17:26:26,558 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-01-09 17:26:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-09 17:26:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-09 17:26:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-09 17:26:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-01-09 17:26:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-01-09 17:26:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-01-09 17:26:26,558 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-09 17:26:26,558 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-09 17:26:26,558 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-09 17:26:26,558 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-01-09 17:26:26,558 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-01-09 17:26:26,558 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-01-09 17:26:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:26:26,558 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:26:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-01-09 17:26:26,559 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-01-09 17:26:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2025-01-09 17:26:26,559 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2025-01-09 17:26:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:26:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:26:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:26:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:26:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:26:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:26:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:26:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:26:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:26:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:26:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:26:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:26:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:26:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-01-09 17:26:26,559 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-01-09 17:26:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:26:26,559 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:26:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-01-09 17:26:26,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-01-09 17:26:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:26:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:26:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:26:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:26:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:26:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:26:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-01-09 17:26:26,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-01-09 17:26:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-01-09 17:26:26,562 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-01-09 17:26:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-01-09 17:26:26,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-01-09 17:26:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:26:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:26:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:26:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:26:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:26:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:26:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2025-01-09 17:26:26,563 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2025-01-09 17:26:26,951 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:26:26,954 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:26:33,992 INFO L? ?]: Removed 266 outVars from TransFormulas that were not future-live. [2025-01-09 17:26:33,993 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:26:34,023 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:26:34,024 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-09 17:26:34,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:26:34 BoogieIcfgContainer [2025-01-09 17:26:34,024 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:26:34,030 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:26:34,030 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:26:34,034 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:26:34,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:26:24" (1/3) ... [2025-01-09 17:26:34,035 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3a268c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:26:34, skipping insertion in model container [2025-01-09 17:26:34,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:26" (2/3) ... [2025-01-09 17:26:34,035 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3a268c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:26:34, skipping insertion in model container [2025-01-09 17:26:34,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:26:34" (3/3) ... [2025-01-09 17:26:34,036 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_remove_harness_negated.i [2025-01-09 17:26:34,050 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:26:34,052 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_remove_harness_negated.i that has 34 procedures, 485 locations, 1 initial locations, 12 loop locations, and 2 error locations. [2025-01-09 17:26:34,127 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:26:34,137 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;@6e893771, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:26:34,138 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-01-09 17:26:34,144 INFO L276 IsEmpty]: Start isEmpty. Operand has 465 states, 268 states have (on average 1.242537313432836) internal successors, (333), 273 states have internal predecessors, (333), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) [2025-01-09 17:26:34,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-01-09 17:26:34,165 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:26:34,166 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:26:34,167 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:26:34,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:26:34,172 INFO L85 PathProgramCache]: Analyzing trace with hash -428123156, now seen corresponding path program 1 times [2025-01-09 17:26:34,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:26:34,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331272918] [2025-01-09 17:26:34,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:34,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:26:39,087 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-01-09 17:26:39,569 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-01-09 17:26:39,570 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:39,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:40,195 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2025-01-09 17:26:40,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:26:40,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331272918] [2025-01-09 17:26:40,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331272918] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:26:40,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491816315] [2025-01-09 17:26:40,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:40,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:26:40,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:26:40,203 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:26:40,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 17:26:44,961 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-01-09 17:26:45,628 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-01-09 17:26:45,628 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:45,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:45,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 4520 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 17:26:45,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:26:45,684 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2025-01-09 17:26:45,685 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:26:45,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491816315] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:26:45,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:26:45,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 17:26:45,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178956836] [2025-01-09 17:26:45,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:26:45,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 17:26:45,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:26:45,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 17:26:45,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 17:26:45,720 INFO L87 Difference]: Start difference. First operand has 465 states, 268 states have (on average 1.242537313432836) internal successors, (333), 273 states have internal predecessors, (333), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-01-09 17:26:45,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:26:45,810 INFO L93 Difference]: Finished difference Result 902 states and 1401 transitions. [2025-01-09 17:26:45,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 17:26:45,812 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 171 [2025-01-09 17:26:45,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:26:45,822 INFO L225 Difference]: With dead ends: 902 [2025-01-09 17:26:45,822 INFO L226 Difference]: Without dead ends: 458 [2025-01-09 17:26:45,829 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 17:26:45,831 INFO L435 NwaCegarLoop]: 656 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 17:26:45,831 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 17:26:45,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2025-01-09 17:26:45,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458. [2025-01-09 17:26:45,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 263 states have (on average 1.220532319391635) internal successors, (321), 266 states have internal predecessors, (321), 166 states have call successors, (166), 28 states have call predecessors, (166), 27 states have return successors, (164), 164 states have call predecessors, (164), 164 states have call successors, (164) [2025-01-09 17:26:45,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 651 transitions. [2025-01-09 17:26:45,931 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 651 transitions. Word has length 171 [2025-01-09 17:26:45,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:26:45,932 INFO L471 AbstractCegarLoop]: Abstraction has 458 states and 651 transitions. [2025-01-09 17:26:45,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-01-09 17:26:45,933 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 651 transitions. [2025-01-09 17:26:45,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2025-01-09 17:26:45,938 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:26:45,939 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:26:45,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-09 17:26:46,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 17:26:46,140 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:26:46,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:26:46,141 INFO L85 PathProgramCache]: Analyzing trace with hash -303069511, now seen corresponding path program 1 times [2025-01-09 17:26:46,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:26:46,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908458829] [2025-01-09 17:26:46,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:46,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:26:50,202 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-01-09 17:26:50,430 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-01-09 17:26:50,431 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:50,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:51,693 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2025-01-09 17:26:51,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:26:51,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908458829] [2025-01-09 17:26:51,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908458829] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:26:51,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277965155] [2025-01-09 17:26:51,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:51,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:26:51,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:26:51,699 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:26:51,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 17:26:56,056 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-01-09 17:26:56,600 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-01-09 17:26:56,600 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:56,600 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:56,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 4600 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-09 17:26:56,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:26:57,646 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2025-01-09 17:26:57,647 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:26:57,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277965155] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:26:57,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:26:57,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-01-09 17:26:57,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706767067] [2025-01-09 17:26:57,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:26:57,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 17:26:57,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:26:57,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 17:26:57,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-09 17:26:57,651 INFO L87 Difference]: Start difference. First operand 458 states and 651 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2025-01-09 17:27:00,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:27:00,833 INFO L93 Difference]: Finished difference Result 867 states and 1251 transitions. [2025-01-09 17:27:00,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 17:27:00,834 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 186 [2025-01-09 17:27:00,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:27:00,842 INFO L225 Difference]: With dead ends: 867 [2025-01-09 17:27:00,845 INFO L226 Difference]: Without dead ends: 460 [2025-01-09 17:27:00,847 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 183 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 17:27:00,848 INFO L435 NwaCegarLoop]: 578 mSDtfsCounter, 659 mSDsluCounter, 1667 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 2245 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2025-01-09 17:27:00,848 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 2245 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2025-01-09 17:27:00,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2025-01-09 17:27:00,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 460. [2025-01-09 17:27:00,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 264 states have (on average 1.2196969696969697) internal successors, (322), 268 states have internal predecessors, (322), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (177), 164 states have call predecessors, (177), 164 states have call successors, (177) [2025-01-09 17:27:00,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 665 transitions. [2025-01-09 17:27:00,905 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 665 transitions. Word has length 186 [2025-01-09 17:27:00,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:27:00,906 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 665 transitions. [2025-01-09 17:27:00,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2025-01-09 17:27:00,907 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 665 transitions. [2025-01-09 17:27:00,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2025-01-09 17:27:00,909 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:27:00,909 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:27:00,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-09 17:27:01,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:27:01,110 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:27:01,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:27:01,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1849969143, now seen corresponding path program 1 times [2025-01-09 17:27:01,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:27:01,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634689326] [2025-01-09 17:27:01,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:27:01,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:27:05,100 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-01-09 17:27:05,265 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-01-09 17:27:05,265 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:27:05,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:27:07,236 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2025-01-09 17:27:07,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:27:07,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634689326] [2025-01-09 17:27:07,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634689326] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:27:07,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828642496] [2025-01-09 17:27:07,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:27:07,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:27:07,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:27:07,240 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:27:07,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-09 17:27:11,669 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-01-09 17:27:12,175 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-01-09 17:27:12,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:27:12,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:27:12,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 4650 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 17:27:12,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:27:13,754 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2025-01-09 17:27:13,755 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:27:13,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828642496] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:27:13,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:27:13,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2025-01-09 17:27:13,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147202525] [2025-01-09 17:27:13,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:27:13,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 17:27:13,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:27:13,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 17:27:13,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-01-09 17:27:13,758 INFO L87 Difference]: Start difference. First operand 460 states and 665 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2025-01-09 17:27:20,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:27:20,151 INFO L93 Difference]: Finished difference Result 890 states and 1322 transitions. [2025-01-09 17:27:20,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-09 17:27:20,152 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 194 [2025-01-09 17:27:20,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:27:20,159 INFO L225 Difference]: With dead ends: 890 [2025-01-09 17:27:20,159 INFO L226 Difference]: Without dead ends: 481 [2025-01-09 17:27:20,161 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2025-01-09 17:27:20,162 INFO L435 NwaCegarLoop]: 574 mSDtfsCounter, 690 mSDsluCounter, 2747 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 716 SdHoareTripleChecker+Valid, 3321 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2025-01-09 17:27:20,162 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [716 Valid, 3321 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2025-01-09 17:27:20,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2025-01-09 17:27:20,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2025-01-09 17:27:20,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 280 states have (on average 1.2285714285714286) internal successors, (344), 284 states have internal predecessors, (344), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2025-01-09 17:27:20,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 708 transitions. [2025-01-09 17:27:20,192 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 708 transitions. Word has length 194 [2025-01-09 17:27:20,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:27:20,194 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 708 transitions. [2025-01-09 17:27:20,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2025-01-09 17:27:20,194 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 708 transitions. [2025-01-09 17:27:20,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2025-01-09 17:27:20,198 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:27:20,198 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:27:20,218 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-09 17:27:20,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:27:20,399 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:27:20,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:27:20,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1183814186, now seen corresponding path program 1 times [2025-01-09 17:27:20,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:27:20,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388849823] [2025-01-09 17:27:20,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:27:20,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:27:24,057 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 209 statements into 1 equivalence classes. [2025-01-09 17:27:24,231 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 209 of 209 statements. [2025-01-09 17:27:24,231 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:27:24,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:27:25,988 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2025-01-09 17:27:25,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:27:25,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388849823] [2025-01-09 17:27:25,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388849823] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:27:25,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339324022] [2025-01-09 17:27:25,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:27:25,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:27:25,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:27:25,992 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:27:25,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-09 17:27:30,689 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 209 statements into 1 equivalence classes. [2025-01-09 17:27:31,207 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 209 of 209 statements. [2025-01-09 17:27:31,207 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:27:31,207 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:27:31,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 4777 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 17:27:31,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:27:32,464 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2025-01-09 17:27:32,465 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:27:32,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339324022] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:27:32,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:27:32,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2025-01-09 17:27:32,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121312368] [2025-01-09 17:27:32,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:27:32,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 17:27:32,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:27:32,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 17:27:32,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-01-09 17:27:32,467 INFO L87 Difference]: Start difference. First operand 479 states and 708 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2025-01-09 17:27:36,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:27:36,620 INFO L93 Difference]: Finished difference Result 913 states and 1381 transitions. [2025-01-09 17:27:36,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 17:27:36,620 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 209 [2025-01-09 17:27:36,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:27:36,627 INFO L225 Difference]: With dead ends: 913 [2025-01-09 17:27:36,629 INFO L226 Difference]: Without dead ends: 485 [2025-01-09 17:27:36,632 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2025-01-09 17:27:36,633 INFO L435 NwaCegarLoop]: 570 mSDtfsCounter, 675 mSDsluCounter, 2182 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 2752 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2025-01-09 17:27:36,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 2752 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2025-01-09 17:27:36,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2025-01-09 17:27:36,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 479. [2025-01-09 17:27:36,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 280 states have (on average 1.2285714285714286) internal successors, (344), 284 states have internal predecessors, (344), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2025-01-09 17:27:36,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 708 transitions. [2025-01-09 17:27:36,669 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 708 transitions. Word has length 209 [2025-01-09 17:27:36,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:27:36,670 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 708 transitions. [2025-01-09 17:27:36,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2025-01-09 17:27:36,670 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 708 transitions. [2025-01-09 17:27:36,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2025-01-09 17:27:36,674 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:27:36,674 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:27:36,699 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-09 17:27:36,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:27:36,875 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:27:36,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:27:36,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1052579797, now seen corresponding path program 1 times [2025-01-09 17:27:36,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:27:36,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380810818] [2025-01-09 17:27:36,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:27:36,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:27:40,370 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 225 statements into 1 equivalence classes. [2025-01-09 17:27:40,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 225 of 225 statements. [2025-01-09 17:27:40,502 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:27:40,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:27:42,254 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2025-01-09 17:27:42,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:27:42,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380810818] [2025-01-09 17:27:42,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380810818] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:27:42,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865129558] [2025-01-09 17:27:42,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:27:42,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:27:42,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:27:42,258 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:27:42,258 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 17:27:46,719 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 225 statements into 1 equivalence classes.