./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9f01133064e8d36e68b9f85134d72a09d965175ad33f2003b7d0ebb14c50d01e --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:22:24,002 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:22:24,064 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:22:24,068 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:22:24,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:22:24,083 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:22:24,084 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:22:24,084 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:22:24,084 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:22:24,085 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:22:24,085 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:22:24,086 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:22:24,086 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:22:24,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:22:24,086 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:22:24,086 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:22:24,087 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:22:24,087 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:22:24,087 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:22:24,087 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:22:24,087 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:22:24,088 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:22:24,088 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:22:24,088 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:22:24,088 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:22:24,088 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:22:24,088 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:22:24,088 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:22:24,089 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:22:24,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:22:24,089 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:22:24,089 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:22:24,089 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:22:24,089 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:22:24,089 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:22:24,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:22:24,089 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:22:24,089 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:22:24,089 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:22:24,089 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:22:24,089 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f01133064e8d36e68b9f85134d72a09d965175ad33f2003b7d0ebb14c50d01e [2025-02-06 05:22:24,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:22:24,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:22:24,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:22:24,356 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:22:24,356 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:22:24,358 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i [2025-02-06 05:22:25,511 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f0814c3b4/73914dc9a13448088cb403fac757c3dc/FLAGb6f1d702d [2025-02-06 05:22:26,060 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:22:26,061 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i [2025-02-06 05:22:26,093 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f0814c3b4/73914dc9a13448088cb403fac757c3dc/FLAGb6f1d702d [2025-02-06 05:22:26,595 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f0814c3b4/73914dc9a13448088cb403fac757c3dc [2025-02-06 05:22:26,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:22:26,598 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:22:26,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:22:26,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:22:26,602 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:22:26,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:22:26" (1/1) ... [2025-02-06 05:22:26,603 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28ab8232 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:26, skipping insertion in model container [2025-02-06 05:22:26,604 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:22:26" (1/1) ... [2025-02-06 05:22:26,669 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:22:26,854 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i[4502,4515] [2025-02-06 05:22:26,864 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i[4562,4575] [2025-02-06 05:22:27,379 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,379 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,380 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,380 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,381 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,389 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,389 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,390 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,390 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,391 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,392 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,392 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,393 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,684 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,685 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,688 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,693 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,744 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,745 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,745 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,745 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,745 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,746 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,746 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,746 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,746 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,747 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,747 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,747 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,747 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,749 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,749 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,749 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,750 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,752 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,752 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,756 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,757 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,757 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:22:27,788 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:22:27,796 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i[4502,4515] [2025-02-06 05:22:27,797 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i[4562,4575] [2025-02-06 05:22:27,874 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,874 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,874 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,875 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,875 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,879 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,879 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,880 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,880 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,881 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,881 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,881 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,881 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,943 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,943 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,944 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,947 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7776-7787] [2025-02-06 05:22:27,961 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,961 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,961 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,962 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,962 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,962 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,962 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,962 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,963 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,963 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,963 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,963 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,963 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,963 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,964 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,964 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,964 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,965 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,965 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,968 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,969 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,969 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:27,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:22:28,139 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:22:28,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:28 WrapperNode [2025-02-06 05:22:28,140 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:22:28,141 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:22:28,141 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:22:28,141 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:22:28,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:28" (1/1) ... [2025-02-06 05:22:28,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:28" (1/1) ... [2025-02-06 05:22:28,227 INFO L138 Inliner]: procedures = 686, calls = 1900, calls flagged for inlining = 60, calls inlined = 14, statements flattened = 845 [2025-02-06 05:22:28,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:22:28,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:22:28,228 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:22:28,228 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:22:28,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:28" (1/1) ... [2025-02-06 05:22:28,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:28" (1/1) ... [2025-02-06 05:22:28,244 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:28" (1/1) ... [2025-02-06 05:22:28,313 INFO L175 MemorySlicer]: Split 333 memory accesses to 6 slices as follows [238, 2, 18, 65, 3, 7]. 71 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [6, 2, 5, 0, 1, 2]. The 257 writes are split as follows [232, 0, 6, 17, 1, 1]. [2025-02-06 05:22:28,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:28" (1/1) ... [2025-02-06 05:22:28,313 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:28" (1/1) ... [2025-02-06 05:22:28,345 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:28" (1/1) ... [2025-02-06 05:22:28,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:28" (1/1) ... [2025-02-06 05:22:28,359 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:28" (1/1) ... [2025-02-06 05:22:28,364 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:28" (1/1) ... [2025-02-06 05:22:28,377 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:22:28,378 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:22:28,378 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:22:28,378 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:22:28,381 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:28" (1/1) ... [2025-02-06 05:22:28,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:22:28,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:22:28,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 05:22:28,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 05:22:28,434 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-02-06 05:22:28,435 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-02-06 05:22:28,435 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-02-06 05:22:28,435 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-02-06 05:22:28,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:22:28,435 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-02-06 05:22:28,435 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-02-06 05:22:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-02-06 05:22:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-02-06 05:22:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:22:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:22:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-02-06 05:22:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-02-06 05:22:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:22:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:22:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:22:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:22:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:22:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:22:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:22:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:22:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:22:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:22:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:22:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:22:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 05:22:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 05:22:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:22:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:22:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:22:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:22:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:22:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:22:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:22:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:22:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:22:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:22:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-02-06 05:22:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-02-06 05:22:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-02-06 05:22:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-02-06 05:22:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:22:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:22:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:22:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:22:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-06 05:22:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-06 05:22:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-06 05:22:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-06 05:22:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:22:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:22:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:22:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:22:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:22:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:22:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-06 05:22:28,438 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-06 05:22:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-02-06 05:22:28,438 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-02-06 05:22:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-02-06 05:22:28,438 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-02-06 05:22:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:22:28,438 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:22:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-02-06 05:22:28,438 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-02-06 05:22:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:22:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:22:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:22:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:22:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:22:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:22:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 05:22:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:22:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:22:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:22:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:22:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:22:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:22:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-02-06 05:22:28,438 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-02-06 05:22:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 05:22:28,441 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 05:22:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-06 05:22:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-06 05:22:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:22:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:22:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:22:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:22:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:22:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 05:22:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-02-06 05:22:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-02-06 05:22:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-02-06 05:22:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-02-06 05:22:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-06 05:22:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-06 05:22:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:22:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:22:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:22:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:22:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:22:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:22:28,733 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:22:28,734 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:22:28,764 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc583.base, #t~malloc583.offset; [2025-02-06 05:22:28,767 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-06 05:22:28,798 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-06 05:22:28,855 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc nondet_uint8_t_#t~nondet10#1; [2025-02-06 05:22:28,865 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-02-06 05:22:28,947 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8277: havoc aws_priority_queue_backpointers_valid_#t~ret875#1;havoc aws_priority_queue_backpointers_valid_#t~short876#1; [2025-02-06 05:22:28,994 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2944: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2025-02-06 05:22:28,996 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:22:29,026 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8191: havoc ~node~1.base, ~node~1.offset; [2025-02-06 05:22:29,047 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-02-06 05:22:29,048 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7268: havoc nondet_compare_#t~ret668#1; [2025-02-06 05:22:29,071 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2025-02-06 05:22:29,077 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7397: havoc #t~ret682.base, #t~ret682.offset; [2025-02-06 05:22:29,108 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8087: call ULTIMATE.dealloc(~#parent_item~0.base, ~#parent_item~0.offset);havoc ~#parent_item~0.base, ~#parent_item~0.offset;call ULTIMATE.dealloc(~#child_item~0.base, ~#child_item~0.offset);havoc ~#child_item~0.base, ~#child_item~0.offset; [2025-02-06 05:22:34,322 INFO L? ?]: Removed 196 outVars from TransFormulas that were not future-live. [2025-02-06 05:22:34,322 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:22:34,336 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:22:34,338 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:22:34,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:22:34 BoogieIcfgContainer [2025-02-06 05:22:34,339 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:22:34,341 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:22:34,342 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:22:34,346 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:22:34,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:22:26" (1/3) ... [2025-02-06 05:22:34,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6497cad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:22:34, skipping insertion in model container [2025-02-06 05:22:34,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:28" (2/3) ... [2025-02-06 05:22:34,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6497cad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:22:34, skipping insertion in model container [2025-02-06 05:22:34,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:22:34" (3/3) ... [2025-02-06 05:22:34,349 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_up_harness.i [2025-02-06 05:22:34,366 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:22:34,371 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_s_sift_up_harness.i that has 25 procedures, 321 locations, 1 initial locations, 5 loop locations, and 2 error locations. [2025-02-06 05:22:34,419 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:22:34,428 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;@6b186daa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:22:34,428 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-06 05:22:34,431 INFO L276 IsEmpty]: Start isEmpty. Operand has 321 states, 192 states have (on average 1.2239583333333333) internal successors, (235), 195 states have internal predecessors, (235), 102 states have call successors, (102), 24 states have call predecessors, (102), 24 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2025-02-06 05:22:34,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2025-02-06 05:22:34,444 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:22:34,445 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:22:34,445 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:22:34,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:22:34,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1841438608, now seen corresponding path program 1 times [2025-02-06 05:22:34,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:22:34,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135282821] [2025-02-06 05:22:34,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:22:34,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:22:39,196 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-02-06 05:22:39,547 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-02-06 05:22:39,548 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:22:39,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:22:39,989 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-02-06 05:22:39,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:22:39,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135282821] [2025-02-06 05:22:39,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135282821] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:22:39,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310838494] [2025-02-06 05:22:39,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:22:39,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:22:39,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:22:39,998 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:22:40,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 05:22:44,415 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-02-06 05:22:44,897 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-02-06 05:22:44,897 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:22:44,897 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:22:44,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 4433 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 05:22:44,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:22:44,947 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-06 05:22:44,950 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:22:44,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310838494] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:22:44,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:22:44,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 05:22:44,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021234559] [2025-02-06 05:22:44,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:22:44,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 05:22:44,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:22:44,974 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 05:22:44,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 05:22:44,979 INFO L87 Difference]: Start difference. First operand has 321 states, 192 states have (on average 1.2239583333333333) internal successors, (235), 195 states have internal predecessors, (235), 102 states have call successors, (102), 24 states have call predecessors, (102), 24 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-02-06 05:22:45,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:22:45,062 INFO L93 Difference]: Finished difference Result 617 states and 906 transitions. [2025-02-06 05:22:45,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 05:22:45,063 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 137 [2025-02-06 05:22:45,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:22:45,069 INFO L225 Difference]: With dead ends: 617 [2025-02-06 05:22:45,070 INFO L226 Difference]: Without dead ends: 314 [2025-02-06 05:22:45,074 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 05:22:45,075 INFO L435 NwaCegarLoop]: 432 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 05:22:45,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 05:22:45,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2025-02-06 05:22:45,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 314. [2025-02-06 05:22:45,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 187 states have (on average 1.2032085561497325) internal successors, (225), 189 states have internal predecessors, (225), 102 states have call successors, (102), 24 states have call predecessors, (102), 23 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2025-02-06 05:22:45,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 427 transitions. [2025-02-06 05:22:45,124 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 427 transitions. Word has length 137 [2025-02-06 05:22:45,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:22:45,126 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 427 transitions. [2025-02-06 05:22:45,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-02-06 05:22:45,127 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 427 transitions. [2025-02-06 05:22:45,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2025-02-06 05:22:45,132 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:22:45,132 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:22:45,148 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 05:22:45,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 05:22:45,337 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:22:45,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:22:45,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1357547379, now seen corresponding path program 1 times [2025-02-06 05:22:45,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:22:45,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390400090] [2025-02-06 05:22:45,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:22:45,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:22:49,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-02-06 05:22:49,357 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-02-06 05:22:49,357 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:22:49,357 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:22:50,264 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-02-06 05:22:50,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:22:50,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390400090] [2025-02-06 05:22:50,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390400090] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:22:50,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525405263] [2025-02-06 05:22:50,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:22:50,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:22:50,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:22:50,271 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:22:50,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 05:22:54,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-02-06 05:22:54,905 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-02-06 05:22:54,905 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:22:54,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:22:54,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 4433 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 05:22:54,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:22:56,041 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2025-02-06 05:22:56,041 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:22:56,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525405263] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:22:56,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:22:56,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-02-06 05:22:56,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019261694] [2025-02-06 05:22:56,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:22:56,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 05:22:56,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:22:56,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 05:22:56,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-02-06 05:22:56,047 INFO L87 Difference]: Start difference. First operand 314 states and 427 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2025-02-06 05:22:58,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:22:58,410 INFO L93 Difference]: Finished difference Result 582 states and 796 transitions. [2025-02-06 05:22:58,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 05:22:58,410 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 137 [2025-02-06 05:22:58,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:22:58,417 INFO L225 Difference]: With dead ends: 582 [2025-02-06 05:22:58,418 INFO L226 Difference]: Without dead ends: 316 [2025-02-06 05:22:58,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-02-06 05:22:58,420 INFO L435 NwaCegarLoop]: 381 mSDtfsCounter, 427 mSDsluCounter, 1108 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 1489 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-02-06 05:22:58,420 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 1489 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-02-06 05:22:58,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2025-02-06 05:22:58,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2025-02-06 05:22:58,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 188 states have (on average 1.202127659574468) internal successors, (226), 191 states have internal predecessors, (226), 102 states have call successors, (102), 24 states have call predecessors, (102), 24 states have return successors, (104), 100 states have call predecessors, (104), 100 states have call successors, (104) [2025-02-06 05:22:58,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 432 transitions. [2025-02-06 05:22:58,442 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 432 transitions. Word has length 137 [2025-02-06 05:22:58,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:22:58,442 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 432 transitions. [2025-02-06 05:22:58,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2025-02-06 05:22:58,443 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 432 transitions. [2025-02-06 05:22:58,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-02-06 05:22:58,445 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:22:58,445 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:22:58,461 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 [2025-02-06 05:22:58,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:22:58,650 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:22:58,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:22:58,651 INFO L85 PathProgramCache]: Analyzing trace with hash 129721323, now seen corresponding path program 1 times [2025-02-06 05:22:58,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:22:58,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000032895] [2025-02-06 05:22:58,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:22:58,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:23:02,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-02-06 05:23:02,894 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-02-06 05:23:02,894 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:23:02,894 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:23:04,143 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-02-06 05:23:04,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:23:04,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000032895] [2025-02-06 05:23:04,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000032895] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:23:04,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645612050] [2025-02-06 05:23:04,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:23:04,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:23:04,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:23:04,147 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:23:04,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 05:23:08,352 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-02-06 05:23:08,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-02-06 05:23:08,754 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:23:08,754 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:23:08,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 4483 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 05:23:08,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:23:10,510 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2025-02-06 05:23:10,512 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:23:10,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645612050] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:23:10,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:23:10,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2025-02-06 05:23:10,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812167849] [2025-02-06 05:23:10,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:23:10,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 05:23:10,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:23:10,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 05:23:10,518 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-02-06 05:23:10,519 INFO L87 Difference]: Start difference. First operand 316 states and 432 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-02-06 05:23:15,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:23:15,545 INFO L93 Difference]: Finished difference Result 605 states and 843 transitions. [2025-02-06 05:23:15,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 05:23:15,545 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 145 [2025-02-06 05:23:15,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:23:15,552 INFO L225 Difference]: With dead ends: 605 [2025-02-06 05:23:15,552 INFO L226 Difference]: Without dead ends: 337 [2025-02-06 05:23:15,554 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2025-02-06 05:23:15,554 INFO L435 NwaCegarLoop]: 364 mSDtfsCounter, 477 mSDsluCounter, 1759 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 2123 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-02-06 05:23:15,555 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 2123 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2025-02-06 05:23:15,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2025-02-06 05:23:15,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2025-02-06 05:23:15,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 204 states have (on average 1.2156862745098038) internal successors, (248), 207 states have internal predecessors, (248), 104 states have call successors, (104), 24 states have call predecessors, (104), 25 states have return successors, (117), 103 states have call predecessors, (117), 102 states have call successors, (117) [2025-02-06 05:23:15,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 469 transitions. [2025-02-06 05:23:15,594 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 469 transitions. Word has length 145 [2025-02-06 05:23:15,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:23:15,594 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 469 transitions. [2025-02-06 05:23:15,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-02-06 05:23:15,595 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 469 transitions. [2025-02-06 05:23:15,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-02-06 05:23:15,596 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:23:15,596 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:23:15,614 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 05:23:15,797 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 [2025-02-06 05:23:15,797 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:23:15,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:23:15,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1778315523, now seen corresponding path program 1 times [2025-02-06 05:23:15,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:23:15,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688297479] [2025-02-06 05:23:15,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:23:15,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:23:19,614 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-02-06 05:23:19,709 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-02-06 05:23:19,709 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:23:19,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:23:20,738 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-02-06 05:23:20,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:23:20,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688297479] [2025-02-06 05:23:20,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688297479] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:23:20,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067479391] [2025-02-06 05:23:20,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:23:20,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:23:20,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:23:20,741 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) [2025-02-06 05:23:20,746 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 [2025-02-06 05:23:25,178 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-02-06 05:23:25,650 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-02-06 05:23:25,650 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:23:25,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:23:25,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 4610 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 05:23:25,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:23:27,052 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2025-02-06 05:23:27,053 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:23:27,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067479391] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:23:27,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:23:27,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2025-02-06 05:23:27,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202724088] [2025-02-06 05:23:27,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:23:27,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 05:23:27,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:23:27,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 05:23:27,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-02-06 05:23:27,057 INFO L87 Difference]: Start difference. First operand 335 states and 469 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2025-02-06 05:23:30,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:23:30,428 INFO L93 Difference]: Finished difference Result 628 states and 887 transitions. [2025-02-06 05:23:30,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 05:23:30,428 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 160 [2025-02-06 05:23:30,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:23:30,434 INFO L225 Difference]: With dead ends: 628 [2025-02-06 05:23:30,434 INFO L226 Difference]: Without dead ends: 341 [2025-02-06 05:23:30,436 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2025-02-06 05:23:30,437 INFO L435 NwaCegarLoop]: 373 mSDtfsCounter, 443 mSDsluCounter, 1435 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 1808 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2025-02-06 05:23:30,437 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 1808 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2025-02-06 05:23:30,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2025-02-06 05:23:30,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 335. [2025-02-06 05:23:30,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 204 states have (on average 1.2156862745098038) internal successors, (248), 207 states have internal predecessors, (248), 104 states have call successors, (104), 24 states have call predecessors, (104), 25 states have return successors, (117), 103 states have call predecessors, (117), 102 states have call successors, (117) [2025-02-06 05:23:30,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 469 transitions. [2025-02-06 05:23:30,464 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 469 transitions. Word has length 160 [2025-02-06 05:23:30,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:23:30,464 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 469 transitions. [2025-02-06 05:23:30,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2025-02-06 05:23:30,465 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 469 transitions. [2025-02-06 05:23:30,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2025-02-06 05:23:30,468 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:23:30,468 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:23:30,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-06 05:23:30,668 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 [2025-02-06 05:23:30,669 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:23:30,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:23:30,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1037952851, now seen corresponding path program 1 times [2025-02-06 05:23:30,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:23:30,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603956098] [2025-02-06 05:23:30,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:23:30,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:23:34,235 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-02-06 05:23:34,331 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-02-06 05:23:34,332 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:23:34,332 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:23:35,688 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2025-02-06 05:23:35,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:23:35,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603956098] [2025-02-06 05:23:35,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603956098] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:23:35,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483572924] [2025-02-06 05:23:35,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:23:35,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:23:35,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:23:35,690 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) [2025-02-06 05:23:35,691 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 [2025-02-06 05:23:40,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-02-06 05:23:40,775 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-02-06 05:23:40,776 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:23:40,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:23:40,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 4682 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 05:23:40,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:23:43,033 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2025-02-06 05:23:43,033 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:23:43,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483572924] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:23:43,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:23:43,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2025-02-06 05:23:43,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016665924] [2025-02-06 05:23:43,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:23:43,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 05:23:43,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:23:43,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 05:23:43,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2025-02-06 05:23:43,034 INFO L87 Difference]: Start difference. First operand 335 states and 469 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 9 states have internal predecessors, (82), 5 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2025-02-06 05:23:49,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:23:49,380 INFO L93 Difference]: Finished difference Result 639 states and 901 transitions. [2025-02-06 05:23:49,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 05:23:49,380 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 9 states have internal predecessors, (82), 5 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) Word has length 176 [2025-02-06 05:23:49,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:23:49,386 INFO L225 Difference]: With dead ends: 639 [2025-02-06 05:23:49,386 INFO L226 Difference]: Without dead ends: 352 [2025-02-06 05:23:49,388 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2025-02-06 05:23:49,389 INFO L435 NwaCegarLoop]: 358 mSDtfsCounter, 500 mSDsluCounter, 2064 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 2422 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2025-02-06 05:23:49,389 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 2422 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2025-02-06 05:23:49,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2025-02-06 05:23:49,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 335. [2025-02-06 05:23:49,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 204 states have (on average 1.2156862745098038) internal successors, (248), 207 states have internal predecessors, (248), 104 states have call successors, (104), 24 states have call predecessors, (104), 25 states have return successors, (117), 103 states have call predecessors, (117), 102 states have call successors, (117) [2025-02-06 05:23:49,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 469 transitions. [2025-02-06 05:23:49,407 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 469 transitions. Word has length 176 [2025-02-06 05:23:49,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:23:49,408 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 469 transitions. [2025-02-06 05:23:49,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 9 states have internal predecessors, (82), 5 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2025-02-06 05:23:49,408 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 469 transitions. [2025-02-06 05:23:49,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2025-02-06 05:23:49,411 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:23:49,411 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:23:49,432 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-06 05:23:49,612 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 [2025-02-06 05:23:49,612 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:23:49,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:23:49,613 INFO L85 PathProgramCache]: Analyzing trace with hash -408011009, now seen corresponding path program 1 times [2025-02-06 05:23:49,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:23:49,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835102145] [2025-02-06 05:23:49,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:23:49,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:23:53,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-02-06 05:23:53,615 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-02-06 05:23:53,615 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:23:53,616 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:23:54,559 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2025-02-06 05:23:54,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:23:54,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835102145] [2025-02-06 05:23:54,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835102145] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:23:54,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062364529] [2025-02-06 05:23:54,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:23:54,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:23:54,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:23:54,562 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) [2025-02-06 05:23:54,563 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 [2025-02-06 05:23:59,116 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-02-06 05:23:59,583 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-02-06 05:23:59,584 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:23:59,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:23:59,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 4809 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 05:23:59,611 INFO L279 TraceCheckSpWp]: Computing forward predicates...