./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_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 215e983f1a4d8fc7cc2a4702392b572c8acf5b74a884ac30ea5939c84fb288fd --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:25:48,162 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:25:48,219 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:25:48,226 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:25:48,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:25:48,240 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:25:48,241 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:25:48,241 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:25:48,241 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:25:48,241 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:25:48,241 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:25:48,241 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:25:48,241 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:25:48,241 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:25:48,241 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:25:48,242 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:25:48,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:25:48,242 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:25:48,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:25:48,242 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:25:48,242 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:25:48,242 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:25:48,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:25:48,242 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:25:48,242 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:25:48,242 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:25:48,242 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:25:48,242 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:25:48,242 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:25:48,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:25:48,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:25:48,242 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:25:48,242 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:25:48,242 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:25:48,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:25:48,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:25:48,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:25:48,243 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:25:48,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:25:48,243 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:25:48,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:25:48,243 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:25:48,243 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:25:48,243 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:25:48,243 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:25:48,243 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 -> 215e983f1a4d8fc7cc2a4702392b572c8acf5b74a884ac30ea5939c84fb288fd [2025-01-09 17:25:48,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:25:48,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:25:48,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:25:48,467 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:25:48,467 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:25:48,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i [2025-01-09 17:25:49,641 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/49348320e/f77842114a3b414fb37941a023301277/FLAG312095bcd [2025-01-09 17:25:50,129 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:25:50,131 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i [2025-01-09 17:25:50,169 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/49348320e/f77842114a3b414fb37941a023301277/FLAG312095bcd [2025-01-09 17:25:50,213 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/49348320e/f77842114a3b414fb37941a023301277 [2025-01-09 17:25:50,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:25:50,216 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:25:50,217 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:25:50,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:25:50,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:25:50,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:25:50" (1/1) ... [2025-01-09 17:25:50,222 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78173795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:50, skipping insertion in model container [2025-01-09 17:25:50,222 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:25:50" (1/1) ... [2025-01-09 17:25:50,277 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:25:50,494 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_pop_harness.i[4496,4509] [2025-01-09 17:25:50,503 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_pop_harness.i[4556,4569] [2025-01-09 17:25:50,993 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:50,994 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:50,994 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:50,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:50,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,006 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,006 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,008 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,008 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,009 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,010 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,010 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,010 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,362 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,367 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,436 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,437 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,438 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,438 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,438 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,439 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,439 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,440 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,440 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,440 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,440 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,440 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,440 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,446 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,446 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,447 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,447 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,450 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,451 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,462 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,463 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,463 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:25:51,528 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:25:51,544 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_pop_harness.i[4496,4509] [2025-01-09 17:25:51,544 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_pop_harness.i[4556,4569] [2025-01-09 17:25:51,591 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,592 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,592 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,593 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,593 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,598 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,601 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,602 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,602 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,603 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,604 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,604 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,604 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,679 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,684 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7771-7782] [2025-01-09 17:25:51,752 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,753 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,753 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,753 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,753 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,753 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,753 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,754 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,754 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,754 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,754 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,754 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,754 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,755 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,755 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,755 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,755 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,757 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,757 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,760 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,760 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,760 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:51,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:25:51,934 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:25:51,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:51 WrapperNode [2025-01-09 17:25:51,935 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:25:51,935 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:25:51,936 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:25:51,936 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:25:51,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:51" (1/1) ... [2025-01-09 17:25:51,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:51" (1/1) ... [2025-01-09 17:25:52,014 INFO L138 Inliner]: procedures = 686, calls = 1930, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 1055 [2025-01-09 17:25:52,015 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:25:52,015 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:25:52,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:25:52,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:25:52,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:51" (1/1) ... [2025-01-09 17:25:52,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:51" (1/1) ... [2025-01-09 17:25:52,031 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:51" (1/1) ... [2025-01-09 17:25:52,105 INFO L175 MemorySlicer]: Split 392 memory accesses to 6 slices as follows [2, 3, 13, 17, 261, 96]. 67 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [2, 1, 11, 4, 12, 0]. The 262 writes are split as follows [0, 1, 0, 3, 240, 18]. [2025-01-09 17:25:52,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:51" (1/1) ... [2025-01-09 17:25:52,108 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:51" (1/1) ... [2025-01-09 17:25:52,149 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:51" (1/1) ... [2025-01-09 17:25:52,152 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:51" (1/1) ... [2025-01-09 17:25:52,159 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:51" (1/1) ... [2025-01-09 17:25:52,172 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:51" (1/1) ... [2025-01-09 17:25:52,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:51" (1/1) ... [2025-01-09 17:25:52,195 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:25:52,200 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:25:52,200 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:25:52,201 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:25:52,201 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:51" (1/1) ... [2025-01-09 17:25:52,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:25:52,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:25:52,231 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 17:25:52,233 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 17:25:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-01-09 17:25:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-01-09 17:25:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-01-09 17:25:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-01-09 17:25:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:25:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-01-09 17:25:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-01-09 17:25:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-01-09 17:25:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-01-09 17:25:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:25:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:25:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-01-09 17:25:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-01-09 17:25:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:25:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:25:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:25:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:25:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:25:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:25:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:25:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:25:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:25:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:25:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:25:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:25:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 17:25:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 17:25:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:25:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:25:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2025-01-09 17:25:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2025-01-09 17:25:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:25:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:25:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:25:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:25:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:25:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:25:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:25:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:25:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-01-09 17:25:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-01-09 17:25:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-01-09 17:25:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-01-09 17:25:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:25:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:25:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:25:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:25:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-01-09 17:25:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-01-09 17:25:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-01-09 17:25:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-01-09 17:25:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:25:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:25:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:25:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:25:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:25:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:25:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-01-09 17:25:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-01-09 17:25:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-01-09 17:25:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-01-09 17:25:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-01-09 17:25:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-01-09 17:25:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-09 17:25:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-09 17:25:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-09 17:25:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-01-09 17:25:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-01-09 17:25:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-01-09 17:25:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-09 17:25:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-09 17:25:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-09 17:25:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-01-09 17:25:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-01-09 17:25:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-01-09 17:25:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:25:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:25:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-01-09 17:25:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-01-09 17:25:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2025-01-09 17:25:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2025-01-09 17:25:52,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-01-09 17:25:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:25:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-01-09 17:25:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-01-09 17:25:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-01-09 17:25:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-01-09 17:25:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:25:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2025-01-09 17:25:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2025-01-09 17:25:52,567 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:25:52,570 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:25:59,100 INFO L? ?]: Removed 257 outVars from TransFormulas that were not future-live. [2025-01-09 17:25:59,100 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:25:59,121 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:25:59,121 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 17:25:59,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:25:59 BoogieIcfgContainer [2025-01-09 17:25:59,121 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:25:59,126 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:25:59,126 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:25:59,129 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:25:59,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:25:50" (1/3) ... [2025-01-09 17:25:59,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32424be6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:25:59, skipping insertion in model container [2025-01-09 17:25:59,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:51" (2/3) ... [2025-01-09 17:25:59,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32424be6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:25:59, skipping insertion in model container [2025-01-09 17:25:59,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:25:59" (3/3) ... [2025-01-09 17:25:59,131 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_pop_harness.i [2025-01-09 17:25:59,144 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:25:59,147 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_pop_harness.i that has 34 procedures, 473 locations, 1 initial locations, 11 loop locations, and 2 error locations. [2025-01-09 17:25:59,214 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:25:59,227 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;@4fb02400, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:25:59,227 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-01-09 17:25:59,232 INFO L276 IsEmpty]: Start isEmpty. Operand has 453 states, 261 states have (on average 1.2337164750957854) internal successors, (322), 264 states have internal predecessors, (322), 162 states have call successors, (162), 28 states have call predecessors, (162), 28 states have return successors, (162), 162 states have call predecessors, (162), 162 states have call successors, (162) [2025-01-09 17:25:59,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2025-01-09 17:25:59,247 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:25:59,248 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:25:59,249 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:25:59,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:25:59,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1833562614, now seen corresponding path program 1 times [2025-01-09 17:25:59,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:25:59,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929735444] [2025-01-09 17:25:59,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:25:59,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:26:03,667 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-01-09 17:26:04,088 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-01-09 17:26:04,089 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:04,089 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:04,571 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2025-01-09 17:26:04,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:26:04,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929735444] [2025-01-09 17:26:04,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929735444] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:26:04,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336827722] [2025-01-09 17:26:04,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:04,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:26:04,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:26:04,577 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 17:26:04,579 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 17:26:08,847 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-01-09 17:26:09,396 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-01-09 17:26:09,397 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:09,397 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:09,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 4542 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 17:26:09,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:26:09,445 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2025-01-09 17:26:09,445 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:26:09,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336827722] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:26:09,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:26:09,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 17:26:09,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924597406] [2025-01-09 17:26:09,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:26:09,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 17:26:09,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:26:09,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 17:26:09,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 17:26:09,466 INFO L87 Difference]: Start difference. First operand has 453 states, 261 states have (on average 1.2337164750957854) internal successors, (322), 264 states have internal predecessors, (322), 162 states have call successors, (162), 28 states have call predecessors, (162), 28 states have return successors, (162), 162 states have call predecessors, (162), 162 states have call successors, (162) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-01-09 17:26:09,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:26:09,536 INFO L93 Difference]: Finished difference Result 878 states and 1360 transitions. [2025-01-09 17:26:09,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 17:26:09,538 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 163 [2025-01-09 17:26:09,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:26:09,547 INFO L225 Difference]: With dead ends: 878 [2025-01-09 17:26:09,547 INFO L226 Difference]: Without dead ends: 446 [2025-01-09 17:26:09,558 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 164 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 17:26:09,560 INFO L435 NwaCegarLoop]: 639 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, 639 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 17:26:09,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 17:26:09,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2025-01-09 17:26:09,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 446. [2025-01-09 17:26:09,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 255 states have (on average 1.223529411764706) internal successors, (312), 258 states have internal predecessors, (312), 162 states have call successors, (162), 28 states have call predecessors, (162), 27 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2025-01-09 17:26:09,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 634 transitions. [2025-01-09 17:26:09,619 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 634 transitions. Word has length 163 [2025-01-09 17:26:09,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:26:09,621 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 634 transitions. [2025-01-09 17:26:09,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-01-09 17:26:09,621 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 634 transitions. [2025-01-09 17:26:09,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2025-01-09 17:26:09,624 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:26:09,624 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:26:09,640 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 17:26:09,829 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 17:26:09,829 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:26:09,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:26:09,830 INFO L85 PathProgramCache]: Analyzing trace with hash -493676040, now seen corresponding path program 1 times [2025-01-09 17:26:09,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:26:09,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688603576] [2025-01-09 17:26:09,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:09,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:26:13,659 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-01-09 17:26:13,770 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-01-09 17:26:13,771 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:13,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:14,634 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2025-01-09 17:26:14,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:26:14,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688603576] [2025-01-09 17:26:14,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688603576] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:26:14,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187619521] [2025-01-09 17:26:14,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:14,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:26:14,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:26:14,637 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 17:26:14,639 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 17:26:18,942 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-01-09 17:26:19,351 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-01-09 17:26:19,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:19,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:19,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 4542 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-09 17:26:19,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:26:20,320 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-01-09 17:26:20,321 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:26:20,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187619521] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:26:20,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:26:20,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-01-09 17:26:20,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953851784] [2025-01-09 17:26:20,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:26:20,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 17:26:20,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:26:20,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 17:26:20,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-09 17:26:20,323 INFO L87 Difference]: Start difference. First operand 446 states and 634 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2025-01-09 17:26:23,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:26:23,326 INFO L93 Difference]: Finished difference Result 843 states and 1217 transitions. [2025-01-09 17:26:23,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 17:26:23,327 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 163 [2025-01-09 17:26:23,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:26:23,335 INFO L225 Difference]: With dead ends: 843 [2025-01-09 17:26:23,335 INFO L226 Difference]: Without dead ends: 448 [2025-01-09 17:26:23,337 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-01-09 17:26:23,339 INFO L435 NwaCegarLoop]: 565 mSDtfsCounter, 637 mSDsluCounter, 1637 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 2202 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2025-01-09 17:26:23,339 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [648 Valid, 2202 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2025-01-09 17:26:23,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2025-01-09 17:26:23,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2025-01-09 17:26:23,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 256 states have (on average 1.22265625) internal successors, (313), 260 states have internal predecessors, (313), 162 states have call successors, (162), 28 states have call predecessors, (162), 28 states have return successors, (173), 160 states have call predecessors, (173), 160 states have call successors, (173) [2025-01-09 17:26:23,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 648 transitions. [2025-01-09 17:26:23,387 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 648 transitions. Word has length 163 [2025-01-09 17:26:23,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:26:23,388 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 648 transitions. [2025-01-09 17:26:23,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2025-01-09 17:26:23,388 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 648 transitions. [2025-01-09 17:26:23,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-01-09 17:26:23,390 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:26:23,390 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 3, 3, 3, 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] [2025-01-09 17:26:23,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-09 17:26:23,595 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 17:26:23,595 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:26:23,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:26:23,596 INFO L85 PathProgramCache]: Analyzing trace with hash 158342726, now seen corresponding path program 1 times [2025-01-09 17:26:23,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:26:23,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879084172] [2025-01-09 17:26:23,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:23,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:26:27,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-01-09 17:26:27,415 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-01-09 17:26:27,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:27,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:28,762 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2025-01-09 17:26:28,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:26:28,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879084172] [2025-01-09 17:26:28,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879084172] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:26:28,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275122626] [2025-01-09 17:26:28,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:28,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:26:28,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:26:28,765 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 17:26:28,767 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 17:26:32,914 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-01-09 17:26:33,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-01-09 17:26:33,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:33,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:33,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 4592 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 17:26:33,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:26:35,024 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-01-09 17:26:35,025 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:26:35,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275122626] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:26:35,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:26:35,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2025-01-09 17:26:35,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743809587] [2025-01-09 17:26:35,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:26:35,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 17:26:35,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:26:35,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 17:26:35,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-01-09 17:26:35,030 INFO L87 Difference]: Start difference. First operand 448 states and 648 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2025-01-09 17:26:41,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:26:41,700 INFO L93 Difference]: Finished difference Result 866 states and 1288 transitions. [2025-01-09 17:26:41,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-09 17:26:41,701 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 171 [2025-01-09 17:26:41,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:26:41,707 INFO L225 Difference]: With dead ends: 866 [2025-01-09 17:26:41,707 INFO L226 Difference]: Without dead ends: 469 [2025-01-09 17:26:41,709 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2025-01-09 17:26:41,709 INFO L435 NwaCegarLoop]: 559 mSDtfsCounter, 670 mSDsluCounter, 2683 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 3242 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2025-01-09 17:26:41,709 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [696 Valid, 3242 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2025-01-09 17:26:41,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2025-01-09 17:26:41,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 467. [2025-01-09 17:26:41,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 272 states have (on average 1.2316176470588236) internal successors, (335), 276 states have internal predecessors, (335), 164 states have call successors, (164), 28 states have call predecessors, (164), 29 states have return successors, (192), 163 states have call predecessors, (192), 162 states have call successors, (192) [2025-01-09 17:26:41,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 691 transitions. [2025-01-09 17:26:41,730 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 691 transitions. Word has length 171 [2025-01-09 17:26:41,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:26:41,731 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 691 transitions. [2025-01-09 17:26:41,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2025-01-09 17:26:41,731 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 691 transitions. [2025-01-09 17:26:41,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2025-01-09 17:26:41,733 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:26:41,733 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:26:41,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-09 17:26:41,934 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 17:26:41,934 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:26:41,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:26:41,935 INFO L85 PathProgramCache]: Analyzing trace with hash -47376417, now seen corresponding path program 1 times [2025-01-09 17:26:41,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:26:41,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777070] [2025-01-09 17:26:41,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:41,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:26:45,508 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 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 186 of 186 statements. [2025-01-09 17:26:45,628 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:45,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:47,216 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2025-01-09 17:26:47,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:26:47,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777070] [2025-01-09 17:26:47,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777070] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:26:47,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441631177] [2025-01-09 17:26:47,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:47,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:26:47,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:26:47,225 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 17:26:47,227 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 17:26:51,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-01-09 17:26:52,032 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-01-09 17:26:52,032 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:52,032 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:52,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 4719 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 17:26:52,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:26:53,576 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-01-09 17:26:53,576 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:26:53,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441631177] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:26:53,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:26:53,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2025-01-09 17:26:53,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908631905] [2025-01-09 17:26:53,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:26:53,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 17:26:53,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:26:53,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 17:26:53,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2025-01-09 17:26:53,579 INFO L87 Difference]: Start difference. First operand 467 states and 691 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2025-01-09 17:26:57,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:26:57,814 INFO L93 Difference]: Finished difference Result 889 states and 1347 transitions. [2025-01-09 17:26:57,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 17:26:57,815 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 186 [2025-01-09 17:26:57,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:26:57,819 INFO L225 Difference]: With dead ends: 889 [2025-01-09 17:26:57,819 INFO L226 Difference]: Without dead ends: 473 [2025-01-09 17:26:57,821 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2025-01-09 17:26:57,822 INFO L435 NwaCegarLoop]: 557 mSDtfsCounter, 653 mSDsluCounter, 2139 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 2696 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2025-01-09 17:26:57,822 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 2696 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2025-01-09 17:26:57,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2025-01-09 17:26:57,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 467. [2025-01-09 17:26:57,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 272 states have (on average 1.2316176470588236) internal successors, (335), 276 states have internal predecessors, (335), 164 states have call successors, (164), 28 states have call predecessors, (164), 29 states have return successors, (192), 163 states have call predecessors, (192), 162 states have call successors, (192) [2025-01-09 17:26:57,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 691 transitions. [2025-01-09 17:26:57,841 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 691 transitions. Word has length 186 [2025-01-09 17:26:57,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:26:57,842 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 691 transitions. [2025-01-09 17:26:57,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2025-01-09 17:26:57,842 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 691 transitions. [2025-01-09 17:26:57,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-01-09 17:26:57,843 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:26:57,844 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 4, 4, 3, 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] [2025-01-09 17:26:57,863 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 17:26:58,048 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 17:26:58,048 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:26:58,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:26:58,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1822469410, now seen corresponding path program 1 times [2025-01-09 17:26:58,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:26:58,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030983756] [2025-01-09 17:26:58,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:58,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:27:01,665 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-01-09 17:27:01,797 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-01-09 17:27:01,797 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:27:01,797 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:27:03,503 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-01-09 17:27:03,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:27:03,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030983756] [2025-01-09 17:27:03,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030983756] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:27:03,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039103250] [2025-01-09 17:27:03,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:27:03,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:27:03,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:27:03,505 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 17:27:03,506 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 17:27:07,965 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-01-09 17:27:08,407 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-01-09 17:27:08,407 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:27:08,407 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:27:08,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 4788 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 17:27:08,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:27:08,805 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2025-01-09 17:27:08,805 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:27:08,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039103250] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:27:08,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:27:08,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2025-01-09 17:27:08,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026607353] [2025-01-09 17:27:08,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:27:08,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 17:27:08,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:27:08,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 17:27:08,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2025-01-09 17:27:08,807 INFO L87 Difference]: Start difference. First operand 467 states and 691 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-01-09 17:27:08,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:27:08,966 INFO L93 Difference]: Finished difference Result 889 states and 1356 transitions. [2025-01-09 17:27:08,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 17:27:08,967 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 202 [2025-01-09 17:27:08,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:27:08,970 INFO L225 Difference]: With dead ends: 889 [2025-01-09 17:27:08,970 INFO L226 Difference]: Without dead ends: 473 [2025-01-09 17:27:08,972 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2025-01-09 17:27:08,973 INFO L435 NwaCegarLoop]: 631 mSDtfsCounter, 1 mSDsluCounter, 1254 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1885 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 17:27:08,973 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1885 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 17:27:08,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2025-01-09 17:27:08,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 471. [2025-01-09 17:27:08,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 276 states have (on average 1.2282608695652173) internal successors, (339), 280 states have internal predecessors, (339), 164 states have call successors, (164), 28 states have call predecessors, (164), 29 states have return successors, (192), 163 states have call predecessors, (192), 162 states have call successors, (192) [2025-01-09 17:27:08,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 695 transitions. [2025-01-09 17:27:08,988 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 695 transitions. Word has length 202 [2025-01-09 17:27:08,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:27:08,990 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 695 transitions. [2025-01-09 17:27:08,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-01-09 17:27:08,991 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 695 transitions. [2025-01-09 17:27:08,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-01-09 17:27:08,993 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:27:08,993 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 4, 4, 3, 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] [2025-01-09 17:27:09,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-09 17:27:09,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:27:09,195 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:27:09,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:27:09,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1329995420, now seen corresponding path program 1 times [2025-01-09 17:27:09,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:27:09,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955480304] [2025-01-09 17:27:09,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:27:09,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:27:12,664 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-01-09 17:27:12,747 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-01-09 17:27:12,747 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:27:12,747 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:27:14,327 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-01-09 17:27:14,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:27:14,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955480304] [2025-01-09 17:27:14,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955480304] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:27:14,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931855077] [2025-01-09 17:27:14,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:27:14,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:27:14,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:27:14,332 INFO L229 MonitoredProcess]: Starting monitored process 7 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 17:27:14,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-09 17:27:18,854 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-01-09 17:27:19,328 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-01-09 17:27:19,328 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:27:19,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:27:19,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 4783 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-09 17:27:19,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:27:21,616 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2025-01-09 17:27:21,616 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:27:21,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1931855077] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:27:21,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:27:21,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2025-01-09 17:27:21,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636110625] [2025-01-09 17:27:21,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:27:21,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-09 17:27:21,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:27:21,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-09 17:27:21,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2025-01-09 17:27:21,619 INFO L87 Difference]: Start difference. First operand 471 states and 695 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 9 states have internal predecessors, (94), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29)