./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 48c9605d 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-?-48c9605-m [2025-02-08 01:57:25,266 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:57:25,342 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:57:25,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:57:25,348 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:57:25,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:57:25,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:57:25,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:57:25,374 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:57:25,375 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:57:25,375 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:57:25,375 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:57:25,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:57:25,376 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:57:25,376 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:57:25,376 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:57:25,376 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:57:25,376 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:57:25,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:57:25,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:57:25,376 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:57:25,376 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:57:25,376 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:57:25,376 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:57:25,376 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:57:25,376 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:57:25,377 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:57:25,377 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:57:25,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:57:25,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:57:25,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:57:25,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:57:25,377 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:57:25,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:57:25,377 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:57:25,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:57:25,377 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:57:25,377 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:57:25,377 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:57:25,378 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:57:25,378 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 [2025-02-08 01:57:25,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:57:25,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:57:25,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:57:25,666 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:57:25,667 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:57:25,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i [2025-02-08 01:57:26,998 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/947696934/00ec9ebf4a2249a2821a9aae25803da6/FLAGfe7af01e5 [2025-02-08 01:57:27,574 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:57:27,575 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i [2025-02-08 01:57:27,626 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/947696934/00ec9ebf4a2249a2821a9aae25803da6/FLAGfe7af01e5 [2025-02-08 01:57:28,065 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/947696934/00ec9ebf4a2249a2821a9aae25803da6 [2025-02-08 01:57:28,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:57:28,070 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:57:28,071 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:57:28,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:57:28,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:57:28,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:57:28" (1/1) ... [2025-02-08 01:57:28,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b88f9b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:28, skipping insertion in model container [2025-02-08 01:57:28,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:57:28" (1/1) ... [2025-02-08 01:57:28,169 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:57:28,445 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] [2025-02-08 01:57:28,453 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] [2025-02-08 01:57:29,246 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,247 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,247 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,248 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,249 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,260 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,261 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,262 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,263 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,264 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,265 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,266 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,266 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,758 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,759 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,770 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,776 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,871 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,872 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,872 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,872 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,872 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,873 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,873 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,874 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,874 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,874 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,875 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,875 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,875 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,881 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,881 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,882 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,882 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,885 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,886 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,892 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,893 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,893 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:29,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:57:29,968 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:57:29,981 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] [2025-02-08 01:57:29,984 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] [2025-02-08 01:57:30,027 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,027 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,028 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,028 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,028 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,039 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,040 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,040 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,041 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,042 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,042 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,042 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,042 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,144 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,145 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,146 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,150 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,157 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7776-7787] [2025-02-08 01:57:30,178 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,180 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,180 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,180 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,180 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,181 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,182 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,182 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,182 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,182 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,183 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,183 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,183 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,184 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,184 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,185 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,185 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,187 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,187 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,193 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,194 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,194 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:30,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:57:30,414 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:57:30,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:30 WrapperNode [2025-02-08 01:57:30,416 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:57:30,417 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:57:30,417 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:57:30,417 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:57:30,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:30" (1/1) ... [2025-02-08 01:57:30,492 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:30" (1/1) ... [2025-02-08 01:57:30,557 INFO L138 Inliner]: procedures = 686, calls = 1900, calls flagged for inlining = 60, calls inlined = 14, statements flattened = 845 [2025-02-08 01:57:30,558 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:57:30,558 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:57:30,559 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:57:30,559 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:57:30,575 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:30" (1/1) ... [2025-02-08 01:57:30,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:30" (1/1) ... [2025-02-08 01:57:30,584 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:30" (1/1) ... [2025-02-08 01:57:30,673 INFO L175 MemorySlicer]: Split 333 memory accesses to 6 slices as follows [18, 238, 2, 3, 7, 65]. 71 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [5, 6, 2, 1, 2, 0]. The 257 writes are split as follows [6, 232, 0, 1, 1, 17]. [2025-02-08 01:57:30,675 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:30" (1/1) ... [2025-02-08 01:57:30,675 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:30" (1/1) ... [2025-02-08 01:57:30,743 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:30" (1/1) ... [2025-02-08 01:57:30,746 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:30" (1/1) ... [2025-02-08 01:57:30,754 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:30" (1/1) ... [2025-02-08 01:57:30,757 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:30" (1/1) ... [2025-02-08 01:57:30,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:57:30,768 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:57:30,768 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:57:30,768 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:57:30,769 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:30" (1/1) ... [2025-02-08 01:57:30,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:57:30,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:57:30,815 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) [2025-02-08 01:57:30,819 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 [2025-02-08 01:57:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-02-08 01:57:30,842 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-02-08 01:57:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-02-08 01:57:30,842 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-02-08 01:57:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:57:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-02-08 01:57:30,842 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-02-08 01:57:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-02-08 01:57:30,842 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-02-08 01:57:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:57:30,843 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:57:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-02-08 01:57:30,843 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-02-08 01:57:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:57:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:57:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:57:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:57:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:57:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:57:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:57:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:57:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:57:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:57:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:57:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:57:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:57:30,843 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:57:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:57:30,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:57:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:57:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:57:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:57:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:57:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:57:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:57:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:57:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:57:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-02-08 01:57:30,844 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-02-08 01:57:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-02-08 01:57:30,844 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-02-08 01:57:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:57:30,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:57:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:57:30,844 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:57:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-08 01:57:30,844 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-08 01:57:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-08 01:57:30,844 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-08 01:57:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:57:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:57:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:57:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:57:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:57:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:57:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-08 01:57:30,844 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-08 01:57:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-02-08 01:57:30,844 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-02-08 01:57:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-02-08 01:57:30,844 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-02-08 01:57:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:57:30,844 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:57:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-02-08 01:57:30,844 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-02-08 01:57:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:57:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:57:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:57:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:57:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:57:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:57:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:57:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:57:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:57:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:57:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:57:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:57:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:57:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-02-08 01:57:30,848 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-02-08 01:57:30,848 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:57:30,849 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:57:30,849 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-08 01:57:30,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-08 01:57:30,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:57:30,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:57:30,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:57:30,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:57:30,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:57:30,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:57:30,849 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-02-08 01:57:30,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-02-08 01:57:30,850 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-02-08 01:57:30,850 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-02-08 01:57:30,850 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-08 01:57:30,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-08 01:57:30,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:57:30,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:57:30,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:57:30,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:57:30,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:57:30,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:57:31,213 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:57:31,216 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:57:31,270 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc583.base, #t~malloc583.offset; [2025-02-08 01:57:31,276 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-08 01:57:31,310 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-08 01:57:31,374 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc nondet_uint8_t_#t~nondet10#1;#t~ret681#1 := nondet_uint8_t_#res#1;havoc nondet_uint8_t_#t~nondet10#1;assume { :end_inline_nondet_uint8_t } true;call write~int#0(#t~ret681#1, ~dst#1.base, ~dst#1.offset + (if ~index~0#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then ~index~0#1 % 18446744073709551616 % 18446744073709551616 else ~index~0#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616), 1);havoc ~index~0#1;havoc #t~ret681#1; [2025-02-08 01:57:31,390 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-02-08 01:57:31,473 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8277: havoc aws_priority_queue_backpointers_valid_#t~ret875#1;havoc aws_priority_queue_backpointers_valid_#t~short876#1; [2025-02-08 01:57:31,583 INFO L1324 $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; [2025-02-08 01:57:31,589 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:57:31,608 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8191: havoc ~node~1.base, ~node~1.offset; [2025-02-08 01:57:31,630 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-02-08 01:57:31,630 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7268: havoc nondet_compare_#t~ret668#1; [2025-02-08 01:57:31,660 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2025-02-08 01:57:31,668 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7397: havoc #t~ret682.base, #t~ret682.offset; [2025-02-08 01:57:31,719 INFO L1324 $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; [2025-02-08 01:57:37,229 INFO L? ?]: Removed 188 outVars from TransFormulas that were not future-live. [2025-02-08 01:57:37,229 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:57:37,254 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:57:37,256 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:57:37,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:57:37 BoogieIcfgContainer [2025-02-08 01:57:37,257 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:57:37,259 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:57:37,260 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:57:37,264 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:57:37,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:57:28" (1/3) ... [2025-02-08 01:57:37,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d6b11bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:57:37, skipping insertion in model container [2025-02-08 01:57:37,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:30" (2/3) ... [2025-02-08 01:57:37,267 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d6b11bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:57:37, skipping insertion in model container [2025-02-08 01:57:37,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:57:37" (3/3) ... [2025-02-08 01:57:37,269 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_up_harness.i [2025-02-08 01:57:37,286 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:57:37,288 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_s_sift_up_harness.i that has 25 procedures, 314 locations, 1 initial locations, 5 loop locations, and 2 error locations. [2025-02-08 01:57:37,362 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:57:37,375 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;@70de5fdd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:57:37,375 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-08 01:57:37,382 INFO L276 IsEmpty]: Start isEmpty. Operand has 314 states, 181 states have (on average 1.2375690607734806) internal successors, (224), 188 states have internal predecessors, (224), 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) [2025-02-08 01:57:37,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-02-08 01:57:37,399 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:57:37,400 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] [2025-02-08 01:57:37,400 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:57:37,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:57:37,407 INFO L85 PathProgramCache]: Analyzing trace with hash 537845300, now seen corresponding path program 1 times [2025-02-08 01:57:37,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:57:37,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135211508] [2025-02-08 01:57:37,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:37,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:57:42,720 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-02-08 01:57:43,153 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-02-08 01:57:43,153 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:43,154 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:43,745 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-02-08 01:57:43,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:57:43,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135211508] [2025-02-08 01:57:43,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135211508] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:57:43,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373431434] [2025-02-08 01:57:43,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:43,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:57:43,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:57:43,751 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) [2025-02-08 01:57:43,753 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 [2025-02-08 01:57:48,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-02-08 01:57:49,357 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-02-08 01:57:49,358 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:49,358 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:49,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 4430 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 01:57:49,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:57:49,415 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-08 01:57:49,416 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:57:49,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1373431434] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:57:49,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:57:49,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 01:57:49,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407074525] [2025-02-08 01:57:49,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:57:49,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 01:57:49,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:57:49,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 01:57:49,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:57:49,448 INFO L87 Difference]: Start difference. First operand has 314 states, 181 states have (on average 1.2375690607734806) internal successors, (224), 188 states have internal predecessors, (224), 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 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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) [2025-02-08 01:57:49,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:57:49,516 INFO L93 Difference]: Finished difference Result 605 states and 886 transitions. [2025-02-08 01:57:49,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 01:57:49,518 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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 134 [2025-02-08 01:57:49,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:57:49,532 INFO L225 Difference]: With dead ends: 605 [2025-02-08 01:57:49,533 INFO L226 Difference]: Without dead ends: 300 [2025-02-08 01:57:49,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:57:49,544 INFO L435 NwaCegarLoop]: 421 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, 421 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 [2025-02-08 01:57:49,545 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 01:57:49,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2025-02-08 01:57:49,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 300. [2025-02-08 01:57:49,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 175 states have (on average 1.1942857142857144) internal successors, (209), 178 states have internal predecessors, (209), 100 states have call successors, (100), 24 states have call predecessors, (100), 23 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) [2025-02-08 01:57:49,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 406 transitions. [2025-02-08 01:57:49,612 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 406 transitions. Word has length 134 [2025-02-08 01:57:49,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:57:49,614 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 406 transitions. [2025-02-08 01:57:49,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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) [2025-02-08 01:57:49,615 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 406 transitions. [2025-02-08 01:57:49,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-02-08 01:57:49,619 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:57:49,620 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] [2025-02-08 01:57:49,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 01:57:49,821 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 [2025-02-08 01:57:49,821 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:57:49,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:57:49,822 INFO L85 PathProgramCache]: Analyzing trace with hash -430708877, now seen corresponding path program 1 times [2025-02-08 01:57:49,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:57:49,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264238240] [2025-02-08 01:57:49,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:49,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:57:54,101 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-02-08 01:57:54,290 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-02-08 01:57:54,291 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:54,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:55,723 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-02-08 01:57:55,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:57:55,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264238240] [2025-02-08 01:57:55,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264238240] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:57:55,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752513015] [2025-02-08 01:57:55,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:55,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:57:55,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:57:55,727 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) [2025-02-08 01:57:55,729 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 [2025-02-08 01:58:00,107 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-02-08 01:58:00,677 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-02-08 01:58:00,677 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:58:00,677 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:58:00,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 4430 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 01:58:00,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:58:01,471 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2025-02-08 01:58:01,472 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:58:01,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752513015] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:58:01,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:58:01,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-02-08 01:58:01,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443866366] [2025-02-08 01:58:01,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:58:01,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 01:58:01,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:58:01,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 01:58:01,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 01:58:01,475 INFO L87 Difference]: Start difference. First operand 300 states and 406 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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) [2025-02-08 01:58:02,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:58:02,297 INFO L93 Difference]: Finished difference Result 557 states and 757 transitions. [2025-02-08 01:58:02,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 01:58:02,299 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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 134 [2025-02-08 01:58:02,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:58:02,305 INFO L225 Difference]: With dead ends: 557 [2025-02-08 01:58:02,306 INFO L226 Difference]: Without dead ends: 302 [2025-02-08 01:58:02,307 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 01:58:02,308 INFO L435 NwaCegarLoop]: 387 mSDtfsCounter, 19 mSDsluCounter, 1108 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 1495 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-08 01:58:02,309 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 1495 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-08 01:58:02,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2025-02-08 01:58:02,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 302. [2025-02-08 01:58:02,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 176 states have (on average 1.1931818181818181) internal successors, (210), 180 states have internal predecessors, (210), 100 states have call successors, (100), 24 states have call predecessors, (100), 24 states have return successors, (101), 97 states have call predecessors, (101), 97 states have call successors, (101) [2025-02-08 01:58:02,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 411 transitions. [2025-02-08 01:58:02,338 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 411 transitions. Word has length 134 [2025-02-08 01:58:02,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:58:02,339 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 411 transitions. [2025-02-08 01:58:02,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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) [2025-02-08 01:58:02,339 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 411 transitions. [2025-02-08 01:58:02,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-02-08 01:58:02,347 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:58:02,348 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] [2025-02-08 01:58:02,365 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 01:58:02,549 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 [2025-02-08 01:58:02,549 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:58:02,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:58:02,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1730880059, now seen corresponding path program 1 times [2025-02-08 01:58:02,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:58:02,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034792453] [2025-02-08 01:58:02,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:58:02,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:58:06,709 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-02-08 01:58:06,842 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-02-08 01:58:06,843 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:58:06,843 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:58:08,388 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-02-08 01:58:08,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:58:08,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034792453] [2025-02-08 01:58:08,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034792453] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:58:08,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280695364] [2025-02-08 01:58:08,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:58:08,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:58:08,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:58:08,391 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) [2025-02-08 01:58:08,392 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 [2025-02-08 01:58:12,641 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-02-08 01:58:13,108 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-02-08 01:58:13,109 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:58:13,109 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:58:13,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 4480 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 01:58:13,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:58:14,453 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2025-02-08 01:58:14,453 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:58:14,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280695364] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:58:14,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:58:14,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2025-02-08 01:58:14,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175189533] [2025-02-08 01:58:14,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:58:14,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 01:58:14,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:58:14,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 01:58:14,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2025-02-08 01:58:14,456 INFO L87 Difference]: Start difference. First operand 302 states and 411 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 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) [2025-02-08 01:58:16,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:58:16,955 INFO L93 Difference]: Finished difference Result 580 states and 804 transitions. [2025-02-08 01:58:16,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 01:58:16,956 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 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 142 [2025-02-08 01:58:16,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:58:16,960 INFO L225 Difference]: With dead ends: 580 [2025-02-08 01:58:16,960 INFO L226 Difference]: Without dead ends: 323 [2025-02-08 01:58:16,962 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2025-02-08 01:58:16,966 INFO L435 NwaCegarLoop]: 392 mSDtfsCounter, 39 mSDsluCounter, 1869 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 2261 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2025-02-08 01:58:16,967 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 2261 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2025-02-08 01:58:16,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2025-02-08 01:58:17,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 321. [2025-02-08 01:58:17,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 192 states have (on average 1.2083333333333333) internal successors, (232), 196 states have internal predecessors, (232), 102 states have call successors, (102), 24 states have call predecessors, (102), 25 states have return successors, (114), 100 states have call predecessors, (114), 99 states have call successors, (114) [2025-02-08 01:58:17,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 448 transitions. [2025-02-08 01:58:17,015 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 448 transitions. Word has length 142 [2025-02-08 01:58:17,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:58:17,017 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 448 transitions. [2025-02-08 01:58:17,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 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) [2025-02-08 01:58:17,020 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 448 transitions. [2025-02-08 01:58:17,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-02-08 01:58:17,024 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:58:17,025 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] [2025-02-08 01:58:17,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 01:58:17,225 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 [2025-02-08 01:58:17,225 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:58:17,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:58:17,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1722047483, now seen corresponding path program 1 times [2025-02-08 01:58:17,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:58:17,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247872503] [2025-02-08 01:58:17,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:58:17,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:58:21,022 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-02-08 01:58:21,201 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-02-08 01:58:21,205 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:58:21,206 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:58:22,921 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-02-08 01:58:22,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:58:22,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247872503] [2025-02-08 01:58:22,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247872503] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:58:22,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477063473] [2025-02-08 01:58:22,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:58:22,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:58:22,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:58:22,926 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) [2025-02-08 01:58:22,927 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 [2025-02-08 01:58:27,531 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-02-08 01:58:28,043 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-02-08 01:58:28,044 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:58:28,044 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:58:28,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 4607 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 01:58:28,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:58:29,184 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2025-02-08 01:58:29,184 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:58:29,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1477063473] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:58:29,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:58:29,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2025-02-08 01:58:29,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776644421] [2025-02-08 01:58:29,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:58:29,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 01:58:29,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:58:29,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 01:58:29,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-02-08 01:58:29,186 INFO L87 Difference]: Start difference. First operand 321 states and 448 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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) [2025-02-08 01:58:30,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:58:30,662 INFO L93 Difference]: Finished difference Result 603 states and 848 transitions. [2025-02-08 01:58:30,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 01:58:30,663 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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 156 [2025-02-08 01:58:30,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:58:30,667 INFO L225 Difference]: With dead ends: 603 [2025-02-08 01:58:30,667 INFO L226 Difference]: Without dead ends: 327 [2025-02-08 01:58:30,669 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-02-08 01:58:30,670 INFO L435 NwaCegarLoop]: 381 mSDtfsCounter, 36 mSDsluCounter, 1442 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 1823 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-02-08 01:58:30,670 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 1823 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-02-08 01:58:30,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2025-02-08 01:58:30,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 321. [2025-02-08 01:58:30,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 192 states have (on average 1.2083333333333333) internal successors, (232), 196 states have internal predecessors, (232), 102 states have call successors, (102), 24 states have call predecessors, (102), 25 states have return successors, (114), 100 states have call predecessors, (114), 99 states have call successors, (114) [2025-02-08 01:58:30,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 448 transitions. [2025-02-08 01:58:30,697 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 448 transitions. Word has length 156 [2025-02-08 01:58:30,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:58:30,697 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 448 transitions. [2025-02-08 01:58:30,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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) [2025-02-08 01:58:30,698 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 448 transitions. [2025-02-08 01:58:30,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-02-08 01:58:30,701 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:58:30,701 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] [2025-02-08 01:58:30,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 01:58:30,901 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 [2025-02-08 01:58:30,902 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:58:30,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:58:30,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1892621525, now seen corresponding path program 1 times [2025-02-08 01:58:30,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:58:30,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653452591] [2025-02-08 01:58:30,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:58:30,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:58:34,554 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-02-08 01:58:34,683 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-02-08 01:58:34,683 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:58:34,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:58:36,662 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2025-02-08 01:58:36,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:58:36,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653452591] [2025-02-08 01:58:36,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653452591] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:58:36,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450234422] [2025-02-08 01:58:36,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:58:36,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:58:36,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:58:36,665 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) [2025-02-08 01:58:36,666 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 [2025-02-08 01:58:41,354 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-02-08 01:58:41,847 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-02-08 01:58:41,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:58:41,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:58:41,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 4679 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 01:58:41,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:58:43,783 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2025-02-08 01:58:43,783 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:58:43,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450234422] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:58:43,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:58:43,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2025-02-08 01:58:43,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99507648] [2025-02-08 01:58:43,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:58:43,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 01:58:43,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:58:43,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 01:58:43,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2025-02-08 01:58:43,785 INFO L87 Difference]: Start difference. First operand 321 states and 448 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 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) [2025-02-08 01:58:47,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:58:47,064 INFO L93 Difference]: Finished difference Result 630 states and 887 transitions. [2025-02-08 01:58:47,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 01:58:47,065 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 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 172 [2025-02-08 01:58:47,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:58:47,069 INFO L225 Difference]: With dead ends: 630 [2025-02-08 01:58:47,069 INFO L226 Difference]: Without dead ends: 354 [2025-02-08 01:58:47,071 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2025-02-08 01:58:47,072 INFO L435 NwaCegarLoop]: 369 mSDtfsCounter, 61 mSDsluCounter, 2116 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 2485 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2025-02-08 01:58:47,072 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 2485 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2025-02-08 01:58:47,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2025-02-08 01:58:47,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 321. [2025-02-08 01:58:47,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 192 states have (on average 1.2083333333333333) internal successors, (232), 196 states have internal predecessors, (232), 102 states have call successors, (102), 24 states have call predecessors, (102), 25 states have return successors, (114), 100 states have call predecessors, (114), 99 states have call successors, (114) [2025-02-08 01:58:47,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 448 transitions. [2025-02-08 01:58:47,095 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 448 transitions. Word has length 172 [2025-02-08 01:58:47,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:58:47,096 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 448 transitions. [2025-02-08 01:58:47,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 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) [2025-02-08 01:58:47,097 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 448 transitions. [2025-02-08 01:58:47,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2025-02-08 01:58:47,100 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:58:47,100 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:58:47,127 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 01:58:47,301 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 [2025-02-08 01:58:47,301 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:58:47,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:58:47,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1470556577, now seen corresponding path program 1 times [2025-02-08 01:58:47,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:58:47,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861903241] [2025-02-08 01:58:47,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:58:47,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:58:50,931 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-02-08 01:58:51,078 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-02-08 01:58:51,078 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:58:51,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:58:52,553 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-02-08 01:58:52,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:58:52,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861903241] [2025-02-08 01:58:52,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861903241] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:58:52,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674600174] [2025-02-08 01:58:52,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:58:52,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:58:52,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:58:52,557 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) [2025-02-08 01:58:52,559 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