./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_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_push_ref_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 dfa651ad1a3815b71299318434192d50e4a949decdd541c310285fbc30ab43ee --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:56:15,151 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:56:15,211 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:56:15,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:56:15,216 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:56:15,232 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:56:15,233 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:56:15,233 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:56:15,233 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:56:15,233 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:56:15,233 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:56:15,233 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:56:15,233 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:56:15,234 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:56:15,234 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:56:15,234 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:56:15,234 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:56:15,234 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:56:15,234 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:56:15,234 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:56:15,234 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:56:15,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:56:15,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:56:15,234 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:56:15,234 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:56:15,234 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:56:15,234 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:56:15,234 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:56:15,237 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:56:15,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:56:15,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:56:15,238 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:56:15,238 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:56:15,238 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:56:15,238 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:56:15,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:56:15,238 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:56:15,238 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:56:15,238 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:56:15,238 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:56:15,239 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 -> dfa651ad1a3815b71299318434192d50e4a949decdd541c310285fbc30ab43ee [2025-02-08 01:56:15,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:56:15,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:56:15,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:56:15,510 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:56:15,510 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:56:15,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2025-02-08 01:56:16,652 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cedf6afc0/8f26ae1dbaf14ddeae94661f52b2e21c/FLAGe79984215 [2025-02-08 01:56:17,135 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:56:17,136 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2025-02-08 01:56:17,173 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cedf6afc0/8f26ae1dbaf14ddeae94661f52b2e21c/FLAGe79984215 [2025-02-08 01:56:17,228 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cedf6afc0/8f26ae1dbaf14ddeae94661f52b2e21c [2025-02-08 01:56:17,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:56:17,232 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:56:17,233 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:56:17,233 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:56:17,237 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:56:17,238 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:56:17" (1/1) ... [2025-02-08 01:56:17,238 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d290a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:17, skipping insertion in model container [2025-02-08 01:56:17,238 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:56:17" (1/1) ... [2025-02-08 01:56:17,298 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:56:17,458 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_push_ref_harness.i[4501,4514] [2025-02-08 01:56:17,466 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_push_ref_harness.i[4561,4574] [2025-02-08 01:56:17,905 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,905 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,908 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,908 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,909 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,917 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,917 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,918 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,919 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,920 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,920 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,921 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,921 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,263 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,267 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,311 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,311 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,311 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,311 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,312 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,312 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,312 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,313 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,313 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,313 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,313 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,313 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,313 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,315 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,316 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,316 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,316 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,318 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,318 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,326 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,327 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,327 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:56:18,362 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:56:18,378 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_push_ref_harness.i[4501,4514] [2025-02-08 01:56:18,379 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_push_ref_harness.i[4561,4574] [2025-02-08 01:56:18,451 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,452 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,452 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,453 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,453 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,459 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,459 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,460 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,460 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,461 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,461 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,462 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,462 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,535 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,538 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,542 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7771-7782] [2025-02-08 01:56:18,559 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,560 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,561 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,561 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,561 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,562 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,562 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,563 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,563 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,563 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,563 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,563 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,563 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,564 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,564 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,565 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,565 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,566 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,566 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,569 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,570 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,571 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:56:18,741 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:56:18,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:18 WrapperNode [2025-02-08 01:56:18,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:56:18,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:56:18,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:56:18,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:56:18,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:18" (1/1) ... [2025-02-08 01:56:18,804 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:18" (1/1) ... [2025-02-08 01:56:18,872 INFO L138 Inliner]: procedures = 686, calls = 1892, calls flagged for inlining = 57, calls inlined = 17, statements flattened = 1174 [2025-02-08 01:56:18,875 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:56:18,876 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:56:18,876 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:56:18,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:56:18,882 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:18" (1/1) ... [2025-02-08 01:56:18,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:18" (1/1) ... [2025-02-08 01:56:18,893 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:18" (1/1) ... [2025-02-08 01:56:18,997 INFO L175 MemorySlicer]: Split 384 memory accesses to 6 slices as follows [238, 2, 24, 104, 7, 9]. 62 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [6, 2, 5, 0, 2, 1]. The 268 writes are split as follows [232, 0, 8, 26, 1, 1]. [2025-02-08 01:56:18,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:18" (1/1) ... [2025-02-08 01:56:18,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:18" (1/1) ... [2025-02-08 01:56:19,037 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:18" (1/1) ... [2025-02-08 01:56:19,043 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:18" (1/1) ... [2025-02-08 01:56:19,055 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:18" (1/1) ... [2025-02-08 01:56:19,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:18" (1/1) ... [2025-02-08 01:56:19,083 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:56:19,086 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:56:19,086 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:56:19,086 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:56:19,087 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:18" (1/1) ... [2025-02-08 01:56:19,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:56:19,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:56:19,114 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 01:56:19,118 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 01:56:19,145 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-02-08 01:56:19,145 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-02-08 01:56:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2025-02-08 01:56:19,146 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2025-02-08 01:56:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-02-08 01:56:19,146 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-02-08 01:56:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:56:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-02-08 01:56:19,146 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-02-08 01:56:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-02-08 01:56:19,146 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-02-08 01:56:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:56:19,146 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:56:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-02-08 01:56:19,146 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-02-08 01:56:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-02-08 01:56:19,146 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-02-08 01:56:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:56:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:56:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:56:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:56:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:56:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:56:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:56:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:56:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:56:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:56:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:56:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:56:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:56:19,147 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:56:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:56:19,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:56:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:56:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:56:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:56:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:56:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:56:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:56:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:56:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:56:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-02-08 01:56:19,148 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-02-08 01:56:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-02-08 01:56:19,148 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-02-08 01:56:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:56:19,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:56:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:56:19,148 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:56:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-08 01:56:19,148 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-08 01:56:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-08 01:56:19,149 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-08 01:56:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:56:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:56:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:56:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:56:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:56:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:56:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-08 01:56:19,149 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-08 01:56:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-02-08 01:56:19,149 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-02-08 01:56:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-02-08 01:56:19,149 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-02-08 01:56:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-02-08 01:56:19,149 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-02-08 01:56:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-08 01:56:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-08 01:56:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-08 01:56:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-08 01:56:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-08 01:56:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-02-08 01:56:19,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-08 01:56:19,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-08 01:56:19,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-08 01:56:19,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-08 01:56:19,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-08 01:56:19,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-02-08 01:56:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:56:19,150 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:56:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-02-08 01:56:19,151 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-02-08 01:56:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2025-02-08 01:56:19,151 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2025-02-08 01:56:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-02-08 01:56:19,151 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-02-08 01:56:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:56:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-08 01:56:19,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-08 01:56:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:56:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:56:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:56:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:56:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:56:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:56:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:56:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:56:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:56:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:56:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:56:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:56:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_push_ref [2025-02-08 01:56:19,152 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_push_ref [2025-02-08 01:56:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-02-08 01:56:19,152 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-02-08 01:56:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:56:19,152 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:56:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-08 01:56:19,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-08 01:56:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-08 01:56:19,153 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-08 01:56:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:56:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:56:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:56:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:56:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:56:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:56:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-02-08 01:56:19,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-02-08 01:56:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2025-02-08 01:56:19,153 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2025-02-08 01:56:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-02-08 01:56:19,153 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-02-08 01:56:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-08 01:56:19,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-08 01:56:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:56:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:56:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:56:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:56:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:56:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:56:19,397 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:56:19,399 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:56:19,427 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc583.base, #t~malloc583.offset; [2025-02-08 01:56:19,441 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-08 01:56:19,454 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-08 01:56:19,487 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 01:56:19,557 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8272: havoc aws_priority_queue_backpointers_valid_#t~ret874#1;havoc aws_priority_queue_backpointers_valid_#t~short875#1; [2025-02-08 01:56:19,619 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 01:56:19,623 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:56:19,713 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8368-2: SUMMARY for call #t~ret909#1 := aws_priority_queue_is_valid(~queue#1.base, ~queue#1.offset); srcloc: null [2025-02-08 01:56:19,714 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8368-1: SUMMARY for call __VERIFIER_assert((if 0 == #t~ret909#1 % 256 then 0 else 1)); srcloc: null [2025-02-08 01:56:19,714 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8368: havoc #t~ret909#1;#res#1 := -1;call ULTIMATE.dealloc(~#backpointer#1.base, ~#backpointer#1.offset);havoc ~#backpointer#1.base, ~#backpointer#1.offset; [2025-02-08 01:56:19,714 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2997: havoc aws_array_list_push_back_#t~ret123#1; [2025-02-08 01:56:19,714 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8316: call ULTIMATE.dealloc(~#backpointer#1.base, ~#backpointer#1.offset);havoc ~#backpointer#1.base, ~#backpointer#1.offset; [2025-02-08 01:56:19,714 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8367-1: SUMMARY for call #t~ret908#1 := aws_array_list_pop_back(~queue#1.base, 8 + ~queue#1.offset); srcloc: null [2025-02-08 01:56:19,714 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2995-3: aws_array_list_push_back_#t~ret118#1 := aws_last_error_#res#1;assume { :end_inline_aws_last_error } true;assume -2147483648 <= aws_array_list_push_back_#t~ret118#1 && aws_array_list_push_back_#t~ret118#1 <= 2147483647;aws_array_list_push_back_#t~short119#1 := 9 == aws_array_list_push_back_#t~ret118#1; [2025-02-08 01:56:19,714 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8367: assume -2147483648 <= #t~ret908#1 && #t~ret908#1 <= 2147483647; [2025-02-08 01:56:19,718 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6974: havoc #t~ret595.base, #t~ret595.offset; [2025-02-08 01:56:19,835 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7536: havoc aws_array_list_ensure_capacity_#t~ret764#1; [2025-02-08 01:56:19,835 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7413: call ULTIMATE.dealloc(aws_array_list_calc_necessary_size_~#index_inc~0#1.base, aws_array_list_calc_necessary_size_~#index_inc~0#1.offset);havoc aws_array_list_calc_necessary_size_~#index_inc~0#1.base, aws_array_list_calc_necessary_size_~#index_inc~0#1.offset; [2025-02-08 01:56:19,836 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7514: call ULTIMATE.dealloc(aws_array_list_ensure_capacity_~#necessary_size~0#1.base, aws_array_list_ensure_capacity_~#necessary_size~0#1.offset);havoc aws_array_list_ensure_capacity_~#necessary_size~0#1.base, aws_array_list_ensure_capacity_~#necessary_size~0#1.offset; [2025-02-08 01:56:19,836 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7523: havoc aws_array_list_ensure_capacity_#t~ret757#1; [2025-02-08 01:56:19,874 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8186: havoc ~node~1.base, ~node~1.offset; [2025-02-08 01:56:19,908 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-02-08 01:56:19,909 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7268: havoc nondet_compare_#t~ret668#1; [2025-02-08 01:56:19,921 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2025-02-08 01:56:19,925 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7392: havoc #t~ret681.base, #t~ret681.offset; [2025-02-08 01:56:19,953 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8082: 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 01:56:20,034 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2878: call ULTIMATE.dealloc(~#allocation_size~0.base, ~#allocation_size~0.offset);havoc ~#allocation_size~0.base, ~#allocation_size~0.offset; [2025-02-08 01:56:20,034 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2902: #res := -1;call ULTIMATE.dealloc(~#allocation_size~0.base, ~#allocation_size~0.offset);havoc ~#allocation_size~0.base, ~#allocation_size~0.offset; [2025-02-08 01:56:20,034 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2902-2: SUMMARY for call #t~ret82 := aws_is_mem_zeroed(~list.base, ~list.offset, 40); srcloc: null [2025-02-08 01:56:20,034 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2902-1: SUMMARY for call __VERIFIER_assert((if 0 == #t~ret82 % 256 then 0 else 1)); srcloc: null [2025-02-08 01:56:20,043 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-08 01:56:25,516 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3121: havoc #t~ret187; [2025-02-08 01:56:25,516 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3108: havoc ~last_item_offset~1; [2025-02-08 01:56:25,624 INFO L? ?]: Removed 291 outVars from TransFormulas that were not future-live. [2025-02-08 01:56:25,624 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:56:25,652 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:56:25,652 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:56:25,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:56:25 BoogieIcfgContainer [2025-02-08 01:56:25,653 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:56:25,654 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:56:25,655 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:56:25,658 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:56:25,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:56:17" (1/3) ... [2025-02-08 01:56:25,659 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53cb041b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:56:25, skipping insertion in model container [2025-02-08 01:56:25,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:18" (2/3) ... [2025-02-08 01:56:25,659 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53cb041b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:56:25, skipping insertion in model container [2025-02-08 01:56:25,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:56:25" (3/3) ... [2025-02-08 01:56:25,660 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_ref_harness.i [2025-02-08 01:56:25,671 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:56:25,672 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_push_ref_harness.i that has 40 procedures, 556 locations, 1 initial locations, 10 loop locations, and 2 error locations. [2025-02-08 01:56:25,741 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:56:25,750 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;@83381b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:56:25,751 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-08 01:56:25,755 INFO L276 IsEmpty]: Start isEmpty. Operand has 538 states, 300 states have (on average 1.2466666666666666) internal successors, (374), 311 states have internal predecessors, (374), 193 states have call successors, (193), 34 states have call predecessors, (193), 34 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) [2025-02-08 01:56:25,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2025-02-08 01:56:25,769 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:56:25,770 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 01:56:25,770 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:56:25,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:56:25,774 INFO L85 PathProgramCache]: Analyzing trace with hash -41579049, now seen corresponding path program 1 times [2025-02-08 01:56:25,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:56:25,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564158906] [2025-02-08 01:56:25,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:25,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:56:30,231 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-02-08 01:56:30,625 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-02-08 01:56:30,626 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:56:30,627 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:56:31,178 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2025-02-08 01:56:31,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:56:31,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564158906] [2025-02-08 01:56:31,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564158906] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:56:31,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131181530] [2025-02-08 01:56:31,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:31,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:56:31,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:56:31,187 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 01:56:31,188 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 01:56:35,289 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-02-08 01:56:35,878 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-02-08 01:56:35,878 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:56:35,878 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:56:35,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 4667 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 01:56:35,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:56:35,932 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2025-02-08 01:56:35,933 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:56:35,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131181530] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:56:35,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:56:35,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 01:56:35,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040938041] [2025-02-08 01:56:35,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:56:35,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 01:56:35,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:56:35,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 01:56:35,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:56:35,954 INFO L87 Difference]: Start difference. First operand has 538 states, 300 states have (on average 1.2466666666666666) internal successors, (374), 311 states have internal predecessors, (374), 193 states have call successors, (193), 34 states have call predecessors, (193), 34 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-02-08 01:56:36,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:56:36,023 INFO L93 Difference]: Finished difference Result 1010 states and 1534 transitions. [2025-02-08 01:56:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 01:56:36,025 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 189 [2025-02-08 01:56:36,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:56:36,039 INFO L225 Difference]: With dead ends: 1010 [2025-02-08 01:56:36,039 INFO L226 Difference]: Without dead ends: 496 [2025-02-08 01:56:36,046 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 190 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 01:56:36,049 INFO L435 NwaCegarLoop]: 723 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, 723 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 01:56:36,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 01:56:36,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2025-02-08 01:56:36,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 496. [2025-02-08 01:56:36,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 282 states have (on average 1.2127659574468086) internal successors, (342), 286 states have internal predecessors, (342), 179 states have call successors, (179), 34 states have call predecessors, (179), 33 states have return successors, (175), 175 states have call predecessors, (175), 175 states have call successors, (175) [2025-02-08 01:56:36,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 696 transitions. [2025-02-08 01:56:36,109 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 696 transitions. Word has length 189 [2025-02-08 01:56:36,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:56:36,110 INFO L471 AbstractCegarLoop]: Abstraction has 496 states and 696 transitions. [2025-02-08 01:56:36,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-02-08 01:56:36,110 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 696 transitions. [2025-02-08 01:56:36,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2025-02-08 01:56:36,113 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:56:36,113 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 01:56:36,128 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 01:56:36,318 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 01:56:36,318 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:56:36,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:56:36,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1744794838, now seen corresponding path program 1 times [2025-02-08 01:56:36,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:56:36,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471068722] [2025-02-08 01:56:36,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:36,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:56:40,048 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-02-08 01:56:40,171 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-02-08 01:56:40,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:56:40,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:56:41,195 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2025-02-08 01:56:41,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:56:41,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471068722] [2025-02-08 01:56:41,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471068722] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:56:41,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289408464] [2025-02-08 01:56:41,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:41,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:56:41,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:56:41,198 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 01:56:41,200 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 01:56:45,408 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-02-08 01:56:45,889 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-02-08 01:56:45,889 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:56:45,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:56:45,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 4667 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 01:56:45,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:56:46,693 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-02-08 01:56:46,693 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:56:46,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289408464] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:56:46,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:56:46,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-02-08 01:56:46,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959731892] [2025-02-08 01:56:46,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:56:46,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 01:56:46,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:56:46,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 01:56:46,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 01:56:46,695 INFO L87 Difference]: Start difference. First operand 496 states and 696 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2025-02-08 01:56:47,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:56:47,698 INFO L93 Difference]: Finished difference Result 949 states and 1340 transitions. [2025-02-08 01:56:47,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 01:56:47,699 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 189 [2025-02-08 01:56:47,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:56:47,707 INFO L225 Difference]: With dead ends: 949 [2025-02-08 01:56:47,707 INFO L226 Difference]: Without dead ends: 498 [2025-02-08 01:56:47,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 187 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 01:56:47,711 INFO L435 NwaCegarLoop]: 677 mSDtfsCounter, 8 mSDsluCounter, 1982 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 2659 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-08 01:56:47,711 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 2659 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-08 01:56:47,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2025-02-08 01:56:47,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 498. [2025-02-08 01:56:47,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 283 states have (on average 1.2120141342756183) internal successors, (343), 288 states have internal predecessors, (343), 179 states have call successors, (179), 34 states have call predecessors, (179), 34 states have return successors, (182), 175 states have call predecessors, (182), 175 states have call successors, (182) [2025-02-08 01:56:47,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 704 transitions. [2025-02-08 01:56:47,745 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 704 transitions. Word has length 189 [2025-02-08 01:56:47,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:56:47,745 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 704 transitions. [2025-02-08 01:56:47,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2025-02-08 01:56:47,746 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 704 transitions. [2025-02-08 01:56:47,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2025-02-08 01:56:47,752 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:56:47,752 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:56:47,768 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 01:56:47,953 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 01:56:47,953 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:56:47,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:56:47,955 INFO L85 PathProgramCache]: Analyzing trace with hash -612713038, now seen corresponding path program 1 times [2025-02-08 01:56:47,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:56:47,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251882897] [2025-02-08 01:56:47,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:47,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:56:51,985 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-02-08 01:56:52,082 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-02-08 01:56:52,082 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:56:52,082 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:56:53,332 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2025-02-08 01:56:53,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:56:53,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251882897] [2025-02-08 01:56:53,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251882897] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:56:53,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352832363] [2025-02-08 01:56:53,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:53,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:56:53,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:56:53,339 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 01:56:53,340 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 01:56:57,514 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-02-08 01:56:57,936 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-02-08 01:56:57,936 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:56:57,937 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:56:57,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 4717 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 01:56:57,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:56:59,465 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-02-08 01:56:59,465 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:56:59,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352832363] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:56:59,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:56:59,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2025-02-08 01:56:59,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658347829] [2025-02-08 01:56:59,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:56:59,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 01:56:59,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:56:59,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 01:56:59,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2025-02-08 01:56:59,467 INFO L87 Difference]: Start difference. First operand 498 states and 704 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2025-02-08 01:57:03,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:57:03,694 INFO L93 Difference]: Finished difference Result 972 states and 1411 transitions. [2025-02-08 01:57:03,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 01:57:03,696 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 197 [2025-02-08 01:57:03,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:57:03,704 INFO L225 Difference]: With dead ends: 972 [2025-02-08 01:57:03,704 INFO L226 Difference]: Without dead ends: 519 [2025-02-08 01:57:03,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2025-02-08 01:57:03,712 INFO L435 NwaCegarLoop]: 661 mSDtfsCounter, 35 mSDsluCounter, 3174 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 3835 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2025-02-08 01:57:03,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 3835 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2025-02-08 01:57:03,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2025-02-08 01:57:03,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 517. [2025-02-08 01:57:03,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 299 states have (on average 1.2207357859531773) internal successors, (365), 304 states have internal predecessors, (365), 181 states have call successors, (181), 34 states have call predecessors, (181), 35 states have return successors, (213), 178 states have call predecessors, (213), 177 states have call successors, (213) [2025-02-08 01:57:03,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 759 transitions. [2025-02-08 01:57:03,749 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 759 transitions. Word has length 197 [2025-02-08 01:57:03,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:57:03,749 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 759 transitions. [2025-02-08 01:57:03,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2025-02-08 01:57:03,749 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 759 transitions. [2025-02-08 01:57:03,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2025-02-08 01:57:03,751 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:57:03,752 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:57:03,769 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 01:57:03,952 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 01:57:03,953 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:57:03,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:57:03,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1486136736, now seen corresponding path program 1 times [2025-02-08 01:57:03,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:57:03,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568446720] [2025-02-08 01:57:03,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:03,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:57:07,780 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 211 statements into 1 equivalence classes. [2025-02-08 01:57:07,964 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 211 of 211 statements. [2025-02-08 01:57:07,967 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:07,967 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:09,169 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2025-02-08 01:57:09,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:57:09,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568446720] [2025-02-08 01:57:09,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568446720] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:57:09,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862253286] [2025-02-08 01:57:09,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:09,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:57:09,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:57:09,172 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 01:57:09,174 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 01:57:13,377 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 211 statements into 1 equivalence classes. [2025-02-08 01:57:13,856 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 211 of 211 statements. [2025-02-08 01:57:13,856 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:13,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:13,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 4844 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 01:57:13,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:57:15,045 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-02-08 01:57:15,045 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:57:15,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862253286] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:57:15,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:57:15,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2025-02-08 01:57:15,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266869775] [2025-02-08 01:57:15,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:57:15,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 01:57:15,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:57:15,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 01:57:15,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-02-08 01:57:15,050 INFO L87 Difference]: Start difference. First operand 517 states and 759 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 4 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2025-02-08 01:57:16,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:57:16,544 INFO L93 Difference]: Finished difference Result 995 states and 1476 transitions. [2025-02-08 01:57:16,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 01:57:16,545 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 4 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 211 [2025-02-08 01:57:16,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:57:16,552 INFO L225 Difference]: With dead ends: 995 [2025-02-08 01:57:16,552 INFO L226 Difference]: Without dead ends: 523 [2025-02-08 01:57:16,554 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-02-08 01:57:16,555 INFO L435 NwaCegarLoop]: 671 mSDtfsCounter, 25 mSDsluCounter, 2603 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 3274 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-02-08 01:57:16,555 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 3274 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-02-08 01:57:16,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2025-02-08 01:57:16,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 517. [2025-02-08 01:57:16,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 299 states have (on average 1.2207357859531773) internal successors, (365), 304 states have internal predecessors, (365), 181 states have call successors, (181), 34 states have call predecessors, (181), 35 states have return successors, (213), 178 states have call predecessors, (213), 177 states have call successors, (213) [2025-02-08 01:57:16,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 759 transitions. [2025-02-08 01:57:16,581 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 759 transitions. Word has length 211 [2025-02-08 01:57:16,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:57:16,581 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 759 transitions. [2025-02-08 01:57:16,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 4 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2025-02-08 01:57:16,581 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 759 transitions. [2025-02-08 01:57:16,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2025-02-08 01:57:16,584 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:57:16,584 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:57:16,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-08 01:57:16,784 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 01:57:16,785 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:57:16,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:57:16,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1356956694, now seen corresponding path program 1 times [2025-02-08 01:57:16,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:57:16,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760088363] [2025-02-08 01:57:16,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:16,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:57:20,603 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 227 statements into 1 equivalence classes. [2025-02-08 01:57:20,726 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 227 of 227 statements. [2025-02-08 01:57:20,726 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:20,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:22,402 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2025-02-08 01:57:22,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:57:22,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760088363] [2025-02-08 01:57:22,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760088363] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:57:22,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187340254] [2025-02-08 01:57:22,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:22,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:57:22,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:57:22,406 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 01:57:22,407 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 01:57:26,910 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 227 statements into 1 equivalence classes. [2025-02-08 01:57:27,371 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 227 of 227 statements. [2025-02-08 01:57:27,371 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:27,371 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:27,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 4916 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 01:57:27,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:57:29,335 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2025-02-08 01:57:29,335 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:57:29,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187340254] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:57:29,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:57:29,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2025-02-08 01:57:29,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942996096] [2025-02-08 01:57:29,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:57:29,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 01:57:29,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:57:29,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 01:57:29,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-02-08 01:57:29,337 INFO L87 Difference]: Start difference. First operand 517 states and 759 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) [2025-02-08 01:57:34,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:57:34,576 INFO L93 Difference]: Finished difference Result 1006 states and 1487 transitions. [2025-02-08 01:57:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 01:57:34,577 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) Word has length 227 [2025-02-08 01:57:34,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:57:34,583 INFO L225 Difference]: With dead ends: 1006 [2025-02-08 01:57:34,583 INFO L226 Difference]: Without dead ends: 534 [2025-02-08 01:57:34,590 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2025-02-08 01:57:34,594 INFO L435 NwaCegarLoop]: 636 mSDtfsCounter, 60 mSDsluCounter, 3676 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 4312 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2025-02-08 01:57:34,594 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 4312 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2025-02-08 01:57:34,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2025-02-08 01:57:34,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 517. [2025-02-08 01:57:34,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 299 states have (on average 1.2207357859531773) internal successors, (365), 304 states have internal predecessors, (365), 181 states have call successors, (181), 34 states have call predecessors, (181), 35 states have return successors, (213), 178 states have call predecessors, (213), 177 states have call successors, (213) [2025-02-08 01:57:34,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 759 transitions. [2025-02-08 01:57:34,634 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 759 transitions. Word has length 227 [2025-02-08 01:57:34,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:57:34,638 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 759 transitions. [2025-02-08 01:57:34,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) [2025-02-08 01:57:34,639 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 759 transitions. [2025-02-08 01:57:34,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2025-02-08 01:57:34,641 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:57:34,642 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:57:34,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-08 01:57:34,846 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 01:57:34,846 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:57:34,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:57:34,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1060361432, now seen corresponding path program 2 times [2025-02-08 01:57:34,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:57:34,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425616221] [2025-02-08 01:57:34,848 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 01:57:34,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:57:38,579 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 241 statements into 2 equivalence classes. [2025-02-08 01:57:39,349 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 241 of 241 statements. [2025-02-08 01:57:39,350 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 01:57:39,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:41,323 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2025-02-08 01:57:41,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:57:41,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425616221] [2025-02-08 01:57:41,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425616221] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:57:41,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056577917] [2025-02-08 01:57:41,324 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 01:57:41,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:57:41,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:57:41,326 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 01:57:41,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 01:57:46,411 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 241 statements into 2 equivalence classes.