./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_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_remove_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 36677182f518398f01d85d4519b98c485dfbc69288769baae64c1b35fbac01e2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:56:21,668 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:56:21,714 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:56:21,720 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:56:21,723 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:56:21,744 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:56:21,745 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:56:21,745 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:56:21,746 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:56:21,746 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:56:21,746 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:56:21,746 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:56:21,747 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:56:21,747 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:56:21,747 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:56:21,747 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:56:21,747 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:56:21,747 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:56:21,747 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:56:21,747 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:56:21,748 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:56:21,748 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:56:21,748 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:56:21,748 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:56:21,748 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:56:21,748 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:56:21,748 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:56:21,748 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:56:21,748 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:56:21,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:56:21,749 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:56:21,749 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:56:21,749 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:56:21,749 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:56:21,749 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:56:21,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:56:21,749 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:56:21,749 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:56:21,750 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:56:21,750 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:56:21,750 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 -> 36677182f518398f01d85d4519b98c485dfbc69288769baae64c1b35fbac01e2 [2025-02-08 01:56:21,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:56:22,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:56:22,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:56:22,007 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:56:22,008 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:56:22,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i [2025-02-08 01:56:23,174 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6ad9f810f/eafd416ee38d43eb8882811fc29b7762/FLAG747b0e3f3 [2025-02-08 01:56:23,633 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:56:23,634 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i [2025-02-08 01:56:23,666 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6ad9f810f/eafd416ee38d43eb8882811fc29b7762/FLAG747b0e3f3 [2025-02-08 01:56:23,749 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6ad9f810f/eafd416ee38d43eb8882811fc29b7762 [2025-02-08 01:56:23,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:56:23,752 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:56:23,753 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:56:23,753 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:56:23,756 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:56:23,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:56:23" (1/1) ... [2025-02-08 01:56:23,757 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c088bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:23, skipping insertion in model container [2025-02-08 01:56:23,757 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:56:23" (1/1) ... [2025-02-08 01:56:23,812 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:56:23,991 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4499,4512] [2025-02-08 01:56:23,999 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4559,4572] [2025-02-08 01:56:24,457 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,458 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,458 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,459 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,459 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,468 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,469 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,470 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,470 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,471 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,472 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,472 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,473 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,837 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,852 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,965 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,965 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,965 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,966 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,966 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,966 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,966 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,966 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,967 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,967 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,967 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,967 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,967 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,976 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,976 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,979 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,980 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,984 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,984 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,993 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,994 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:24,994 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,027 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,028 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,028 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:56:25,071 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:56:25,079 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4499,4512] [2025-02-08 01:56:25,080 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4559,4572] [2025-02-08 01:56:25,163 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,164 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,164 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,164 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,164 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,172 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,174 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,174 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,174 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,175 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,175 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,175 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,175 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,233 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,236 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,241 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7771-7782] [2025-02-08 01:56:25,255 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,257 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,257 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,257 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,257 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,258 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,258 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,258 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,258 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,258 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,259 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,259 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,259 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,260 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,260 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,260 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,260 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,261 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,261 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,266 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,267 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,267 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,271 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,271 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,272 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:25,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:56:25,406 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:56:25,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:25 WrapperNode [2025-02-08 01:56:25,407 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:56:25,408 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:56:25,408 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:56:25,408 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:56:25,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:25" (1/1) ... [2025-02-08 01:56:25,458 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:25" (1/1) ... [2025-02-08 01:56:25,505 INFO L138 Inliner]: procedures = 686, calls = 1933, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 1082 [2025-02-08 01:56:25,510 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:56:25,510 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:56:25,510 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:56:25,510 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:56:25,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:25" (1/1) ... [2025-02-08 01:56:25,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:25" (1/1) ... [2025-02-08 01:56:25,528 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:25" (1/1) ... [2025-02-08 01:56:25,619 INFO L175 MemorySlicer]: Split 396 memory accesses to 6 slices as follows [2, 264, 17, 13, 3, 97]. 67 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [2, 12, 4, 11, 1, 0]. The 262 writes are split as follows [0, 240, 3, 0, 1, 18]. [2025-02-08 01:56:25,620 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:25" (1/1) ... [2025-02-08 01:56:25,620 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:25" (1/1) ... [2025-02-08 01:56:25,661 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:25" (1/1) ... [2025-02-08 01:56:25,667 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:25" (1/1) ... [2025-02-08 01:56:25,676 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:25" (1/1) ... [2025-02-08 01:56:25,678 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:25" (1/1) ... [2025-02-08 01:56:25,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:56:25,694 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:56:25,694 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:56:25,694 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:56:25,695 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:25" (1/1) ... [2025-02-08 01:56:25,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:56:25,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:56:25,721 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 01:56:25,730 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 01:56:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-02-08 01:56:25,743 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-02-08 01:56:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-02-08 01:56:25,743 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-02-08 01:56:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:56:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-02-08 01:56:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-02-08 01:56:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-02-08 01:56:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-02-08 01:56:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:56:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:56:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-02-08 01:56:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-02-08 01:56:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:56:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:56:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:56:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:56:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:56:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:56:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:56:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:56:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:56:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:56:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:56:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:56:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:56:25,745 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:56:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:56:25,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:56:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2025-02-08 01:56:25,746 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2025-02-08 01:56:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:56:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:56:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:56:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:56:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:56:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:56:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:56:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:56:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-02-08 01:56:25,746 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-02-08 01:56:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-02-08 01:56:25,746 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-02-08 01:56:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:56:25,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:56:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:56:25,746 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:56:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-08 01:56:25,747 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-08 01:56:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-08 01:56:25,747 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-08 01:56:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:56:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:56:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:56:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:56:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:56:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:56:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-08 01:56:25,747 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-08 01:56:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-02-08 01:56:25,747 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-02-08 01:56:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-02-08 01:56:25,747 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-02-08 01:56:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-08 01:56:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-08 01:56:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-08 01:56:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-08 01:56:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-08 01:56:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-02-08 01:56:25,749 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-08 01:56:25,749 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-08 01:56:25,749 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-08 01:56:25,749 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-08 01:56:25,749 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-08 01:56:25,749 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-02-08 01:56:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:56:25,749 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:56:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-02-08 01:56:25,749 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-02-08 01:56:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2025-02-08 01:56:25,749 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2025-02-08 01:56:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:56:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:56:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:56:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:56:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:56:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:56:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:56:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:56:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:56:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:56:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:56:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:56:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:56:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-02-08 01:56:25,749 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-02-08 01:56:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:56:25,749 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:56:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-08 01:56:25,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-08 01:56:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:56:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:56:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:56:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:56:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:56:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:56:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-02-08 01:56:25,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-02-08 01:56:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-02-08 01:56:25,751 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-02-08 01:56:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-08 01:56:25,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-08 01:56:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:56:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:56:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:56:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:56:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:56:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:56:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2025-02-08 01:56:25,751 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2025-02-08 01:56:26,019 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:56:26,020 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:56:26,061 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc583.base, #t~malloc583.offset; [2025-02-08 01:56:26,068 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-08 01:56:26,095 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-08 01:56:26,139 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 01:56:26,217 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 01:56:26,285 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 01:56:26,288 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:56:26,351 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8186: havoc ~node~1.base, ~node~1.offset; [2025-02-08 01:56:26,431 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8120: s_sift_either_#t~ret844#1 := s_sift_down_#res#1;havoc s_sift_down_#t~ret813#1, s_sift_down_#t~mem814#1, s_sift_down_#t~ret815#1, s_sift_down_#t~ret816#1, s_sift_down_#t~ret817#1, s_sift_down_#t~mem818#1.base, s_sift_down_#t~mem818#1.offset, s_sift_down_#t~mem819#1.base, s_sift_down_#t~mem819#1.offset, s_sift_down_#t~mem820#1.base, s_sift_down_#t~mem820#1.offset, s_sift_down_#t~ret821#1, s_sift_down_#t~mem822#1.base, s_sift_down_#t~mem822#1.offset, s_sift_down_#t~ret823#1, s_sift_down_#t~mem824#1.base, s_sift_down_#t~mem824#1.offset, s_sift_down_#t~mem825#1.base, s_sift_down_#t~mem825#1.offset, s_sift_down_#t~mem826#1.base, s_sift_down_#t~mem826#1.offset, s_sift_down_#t~ret827#1, s_sift_down_#t~mem828#1.base, s_sift_down_#t~mem828#1.offset, s_sift_down_~left~0#1, s_sift_down_~right~0#1, s_sift_down_~first~0#1, s_sift_down_~#first_item~0#1.base, s_sift_down_~#first_item~0#1.offset, s_sift_down_~#other_item~0#1.base, s_sift_down_~#other_item~0#1.offset, s_sift_down_#t~ret829#1, s_sift_down_~queue#1.base, s_sift_down_~queue#1.offset, s_sift_down_~root#1, s_sift_down_~did_move~0#1, s_sift_down_~len~2#1;havoc s_sift_down_#in~queue#1.base, s_sift_down_#in~queue#1.offset, s_sift_down_#in~root#1;assume { :end_inline_s_sift_down } true;havoc s_sift_either_#t~ret844#1; [2025-02-08 01:56:26,431 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8382: call ULTIMATE.dealloc(~#backpointer~0#1.base, ~#backpointer~0#1.offset);havoc ~#backpointer~0#1.base, ~#backpointer~0#1.offset; [2025-02-08 01:56:26,455 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-02-08 01:56:26,455 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7268: havoc nondet_compare_#t~ret668#1; [2025-02-08 01:56:26,498 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2025-02-08 01:56:26,503 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7392: havoc #t~ret681.base, #t~ret681.offset; [2025-02-08 01:56:26,530 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 01:56:26,616 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3188: havoc #t~ret236; [2025-02-08 01:56:32,428 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8417-2: havoc aws_priority_queue_remove_#t~ret928#1; [2025-02-08 01:56:32,428 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8419-2: havoc aws_priority_queue_remove_#t~ret930#1; [2025-02-08 01:56:32,671 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3121: havoc #t~ret187; [2025-02-08 01:56:32,672 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3108: havoc ~last_item_offset~1; [2025-02-08 01:56:32,764 INFO L? ?]: Removed 259 outVars from TransFormulas that were not future-live. [2025-02-08 01:56:32,765 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:56:32,778 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:56:32,778 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:56:32,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:56:32 BoogieIcfgContainer [2025-02-08 01:56:32,779 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:56:32,780 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:56:32,781 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:56:32,784 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:56:32,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:56:23" (1/3) ... [2025-02-08 01:56:32,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ae6f2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:56:32, skipping insertion in model container [2025-02-08 01:56:32,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:25" (2/3) ... [2025-02-08 01:56:32,785 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ae6f2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:56:32, skipping insertion in model container [2025-02-08 01:56:32,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:56:32" (3/3) ... [2025-02-08 01:56:32,786 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_remove_harness.i [2025-02-08 01:56:32,796 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:56:32,798 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_remove_harness.i that has 34 procedures, 477 locations, 1 initial locations, 12 loop locations, and 2 error locations. [2025-02-08 01:56:32,839 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:56:32,847 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;@b4f1cf5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:56:32,847 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-08 01:56:32,851 INFO L276 IsEmpty]: Start isEmpty. Operand has 457 states, 256 states have (on average 1.25390625) internal successors, (321), 265 states have internal predecessors, (321), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) [2025-02-08 01:56:32,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2025-02-08 01:56:32,864 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:56:32,865 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:56:32,865 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:56:32,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:56:32,869 INFO L85 PathProgramCache]: Analyzing trace with hash 636838588, now seen corresponding path program 1 times [2025-02-08 01:56:32,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:56:32,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205370611] [2025-02-08 01:56:32,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:32,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:56:37,328 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-02-08 01:56:37,674 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-02-08 01:56:37,675 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:56:37,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:56:38,188 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2025-02-08 01:56:38,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:56:38,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205370611] [2025-02-08 01:56:38,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205370611] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:56:38,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239097426] [2025-02-08 01:56:38,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:38,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:56:38,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:56:38,192 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 01:56:38,195 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 01:56:42,450 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-02-08 01:56:43,060 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-02-08 01:56:43,061 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:56:43,061 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:56:43,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 4600 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 01:56:43,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:56:43,114 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2025-02-08 01:56:43,114 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:56:43,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239097426] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:56:43,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:56:43,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 01:56:43,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814422569] [2025-02-08 01:56:43,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:56:43,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 01:56:43,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:56:43,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 01:56:43,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:56:43,137 INFO L87 Difference]: Start difference. First operand has 457 states, 256 states have (on average 1.25390625) internal successors, (321), 265 states have internal predecessors, (321), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2025-02-08 01:56:43,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:56:43,203 INFO L93 Difference]: Finished difference Result 888 states and 1379 transitions. [2025-02-08 01:56:43,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 01:56:43,205 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, (30), 2 states have call predecessors, (30), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 183 [2025-02-08 01:56:43,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:56:43,219 INFO L225 Difference]: With dead ends: 888 [2025-02-08 01:56:43,221 INFO L226 Difference]: Without dead ends: 440 [2025-02-08 01:56:43,232 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 184 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 01:56:43,234 INFO L435 NwaCegarLoop]: 644 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, 644 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 01:56:43,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 01:56:43,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2025-02-08 01:56:43,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2025-02-08 01:56:43,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 248 states have (on average 1.221774193548387) internal successors, (303), 253 states have internal predecessors, (303), 163 states have call successors, (163), 28 states have call predecessors, (163), 27 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2025-02-08 01:56:43,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 625 transitions. [2025-02-08 01:56:43,344 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 625 transitions. Word has length 183 [2025-02-08 01:56:43,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:56:43,345 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 625 transitions. [2025-02-08 01:56:43,346 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, (30), 2 states have call predecessors, (30), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2025-02-08 01:56:43,346 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 625 transitions. [2025-02-08 01:56:43,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2025-02-08 01:56:43,353 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:56:43,354 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:56:43,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-08 01:56:43,555 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 01:56:43,555 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:56:43,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:56:43,557 INFO L85 PathProgramCache]: Analyzing trace with hash -847064739, now seen corresponding path program 1 times [2025-02-08 01:56:43,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:56:43,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816426539] [2025-02-08 01:56:43,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:43,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:56:47,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-02-08 01:56:47,506 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-02-08 01:56:47,506 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:56:47,506 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:56:48,541 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2025-02-08 01:56:48,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:56:48,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816426539] [2025-02-08 01:56:48,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816426539] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:56:48,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621689454] [2025-02-08 01:56:48,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:48,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:56:48,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:56:48,546 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 01:56:48,547 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 01:56:52,815 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-02-08 01:56:53,226 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-02-08 01:56:53,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:56:53,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:56:53,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 4600 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 01:56:53,256 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:56:53,979 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2025-02-08 01:56:53,979 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:56:53,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621689454] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:56:53,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:56:53,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-02-08 01:56:53,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065128830] [2025-02-08 01:56:53,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:56:53,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 01:56:53,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:56:53,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 01:56:53,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 01:56:53,982 INFO L87 Difference]: Start difference. First operand 440 states and 625 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, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2025-02-08 01:56:55,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:56:55,471 INFO L93 Difference]: Finished difference Result 834 states and 1202 transitions. [2025-02-08 01:56:55,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 01:56:55,474 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, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 183 [2025-02-08 01:56:55,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:56:55,483 INFO L225 Difference]: With dead ends: 834 [2025-02-08 01:56:55,486 INFO L226 Difference]: Without dead ends: 442 [2025-02-08 01:56:55,489 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 01:56:55,491 INFO L435 NwaCegarLoop]: 591 mSDtfsCounter, 37 mSDsluCounter, 1682 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 2273 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-02-08 01:56:55,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 2273 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-02-08 01:56:55,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2025-02-08 01:56:55,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 442. [2025-02-08 01:56:55,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 249 states have (on average 1.2208835341365463) internal successors, (304), 255 states have internal predecessors, (304), 163 states have call successors, (163), 28 states have call predecessors, (163), 28 states have return successors, (172), 159 states have call predecessors, (172), 159 states have call successors, (172) [2025-02-08 01:56:55,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 639 transitions. [2025-02-08 01:56:55,529 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 639 transitions. Word has length 183 [2025-02-08 01:56:55,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:56:55,530 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 639 transitions. [2025-02-08 01:56:55,530 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, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2025-02-08 01:56:55,530 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 639 transitions. [2025-02-08 01:56:55,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2025-02-08 01:56:55,532 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:56:55,532 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:56:55,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-08 01:56:55,733 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 01:56:55,733 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:56:55,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:56:55,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1942431137, now seen corresponding path program 1 times [2025-02-08 01:56:55,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:56:55,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242165946] [2025-02-08 01:56:55,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:55,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:56:59,450 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-02-08 01:56:59,604 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-02-08 01:56:59,604 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:56:59,604 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:00,808 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2025-02-08 01:57:00,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:57:00,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242165946] [2025-02-08 01:57:00,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242165946] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:57:00,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717900592] [2025-02-08 01:57:00,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:00,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:57:00,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:57:00,811 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 01:57:00,813 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 01:57:05,248 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-02-08 01:57:05,682 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-02-08 01:57:05,682 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:05,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:05,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 4650 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 01:57:05,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:57:07,050 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2025-02-08 01:57:07,050 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:57:07,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717900592] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:57:07,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:57:07,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2025-02-08 01:57:07,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084026934] [2025-02-08 01:57:07,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:57:07,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 01:57:07,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:57:07,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 01:57:07,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2025-02-08 01:57:07,051 INFO L87 Difference]: Start difference. First operand 442 states and 639 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, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2025-02-08 01:57:10,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:57:10,882 INFO L93 Difference]: Finished difference Result 857 states and 1273 transitions. [2025-02-08 01:57:10,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 01:57:10,883 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, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 191 [2025-02-08 01:57:10,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:57:10,890 INFO L225 Difference]: With dead ends: 857 [2025-02-08 01:57:10,891 INFO L226 Difference]: Without dead ends: 463 [2025-02-08 01:57:10,894 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 187 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 01:57:10,895 INFO L435 NwaCegarLoop]: 587 mSDtfsCounter, 64 mSDsluCounter, 2786 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 3373 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2025-02-08 01:57:10,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 3373 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2025-02-08 01:57:10,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2025-02-08 01:57:10,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 461. [2025-02-08 01:57:10,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 265 states have (on average 1.230188679245283) internal successors, (326), 271 states have internal predecessors, (326), 165 states have call successors, (165), 28 states have call predecessors, (165), 29 states have return successors, (191), 162 states have call predecessors, (191), 161 states have call successors, (191) [2025-02-08 01:57:10,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 682 transitions. [2025-02-08 01:57:10,925 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 682 transitions. Word has length 191 [2025-02-08 01:57:10,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:57:10,926 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 682 transitions. [2025-02-08 01:57:10,926 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, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2025-02-08 01:57:10,926 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 682 transitions. [2025-02-08 01:57:10,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2025-02-08 01:57:10,928 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:57:10,928 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:57:10,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-08 01:57:11,128 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 01:57:11,129 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:57:11,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:57:11,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1172295707, now seen corresponding path program 1 times [2025-02-08 01:57:11,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:57:11,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398172717] [2025-02-08 01:57:11,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:11,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:57:14,848 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-02-08 01:57:14,974 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-02-08 01:57:14,978 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:14,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:16,130 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 01:57:16,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:57:16,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398172717] [2025-02-08 01:57:16,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398172717] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:57:16,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856901731] [2025-02-08 01:57:16,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:16,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:57:16,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:57:16,133 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 01:57:16,134 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 01:57:20,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-02-08 01:57:20,856 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-02-08 01:57:20,856 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:20,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:20,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 4777 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 01:57:20,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:57:21,923 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2025-02-08 01:57:21,923 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:57:21,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [856901731] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:57:21,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:57:21,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2025-02-08 01:57:21,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146348645] [2025-02-08 01:57:21,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:57:21,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 01:57:21,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:57:21,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 01:57:21,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-02-08 01:57:21,926 INFO L87 Difference]: Start difference. First operand 461 states and 682 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, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2025-02-08 01:57:24,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:57:24,352 INFO L93 Difference]: Finished difference Result 880 states and 1332 transitions. [2025-02-08 01:57:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 01:57:24,353 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, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 205 [2025-02-08 01:57:24,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:57:24,357 INFO L225 Difference]: With dead ends: 880 [2025-02-08 01:57:24,358 INFO L226 Difference]: Without dead ends: 467 [2025-02-08 01:57:24,361 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-02-08 01:57:24,361 INFO L435 NwaCegarLoop]: 585 mSDtfsCounter, 54 mSDsluCounter, 2211 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 2796 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2025-02-08 01:57:24,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 2796 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2025-02-08 01:57:24,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2025-02-08 01:57:24,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 461. [2025-02-08 01:57:24,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 265 states have (on average 1.230188679245283) internal successors, (326), 271 states have internal predecessors, (326), 165 states have call successors, (165), 28 states have call predecessors, (165), 29 states have return successors, (191), 162 states have call predecessors, (191), 161 states have call successors, (191) [2025-02-08 01:57:24,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 682 transitions. [2025-02-08 01:57:24,392 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 682 transitions. Word has length 205 [2025-02-08 01:57:24,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:57:24,393 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 682 transitions. [2025-02-08 01:57:24,393 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, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2025-02-08 01:57:24,394 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 682 transitions. [2025-02-08 01:57:24,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2025-02-08 01:57:24,395 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:57:24,395 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:57:24,418 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 01:57:24,596 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 01:57:24,596 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:57:24,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:57:24,597 INFO L85 PathProgramCache]: Analyzing trace with hash -2095960843, now seen corresponding path program 1 times [2025-02-08 01:57:24,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:57:24,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429864306] [2025-02-08 01:57:24,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:24,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:57:28,323 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 221 statements into 1 equivalence classes. [2025-02-08 01:57:28,598 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 221 of 221 statements. [2025-02-08 01:57:28,599 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:28,599 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:30,462 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2025-02-08 01:57:30,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:57:30,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429864306] [2025-02-08 01:57:30,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429864306] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:57:30,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18198523] [2025-02-08 01:57:30,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:30,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:57:30,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:57:30,465 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 01:57:30,468 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 01:57:34,950 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 221 statements into 1 equivalence classes. [2025-02-08 01:57:35,426 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 221 of 221 statements. [2025-02-08 01:57:35,426 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:35,426 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:35,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 4849 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 01:57:35,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:57:37,421 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2025-02-08 01:57:37,422 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:57:37,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18198523] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:57:37,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:57:37,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2025-02-08 01:57:37,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342196013] [2025-02-08 01:57:37,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:57:37,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 01:57:37,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:57:37,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 01:57:37,423 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-02-08 01:57:37,423 INFO L87 Difference]: Start difference. First operand 461 states and 682 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, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2025-02-08 01:57:42,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:57:42,760 INFO L93 Difference]: Finished difference Result 891 states and 1337 transitions. [2025-02-08 01:57:42,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 01:57:42,761 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, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) Word has length 221 [2025-02-08 01:57:42,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:57:42,768 INFO L225 Difference]: With dead ends: 891 [2025-02-08 01:57:42,769 INFO L226 Difference]: Without dead ends: 478 [2025-02-08 01:57:42,771 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2025-02-08 01:57:42,772 INFO L435 NwaCegarLoop]: 562 mSDtfsCounter, 89 mSDsluCounter, 3208 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 3770 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2025-02-08 01:57:42,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 3770 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2025-02-08 01:57:42,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2025-02-08 01:57:42,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 461. [2025-02-08 01:57:42,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 265 states have (on average 1.230188679245283) internal successors, (326), 271 states have internal predecessors, (326), 165 states have call successors, (165), 28 states have call predecessors, (165), 29 states have return successors, (191), 162 states have call predecessors, (191), 161 states have call successors, (191) [2025-02-08 01:57:42,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 682 transitions. [2025-02-08 01:57:42,803 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 682 transitions. Word has length 221 [2025-02-08 01:57:42,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:57:42,804 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 682 transitions. [2025-02-08 01:57:42,804 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, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2025-02-08 01:57:42,804 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 682 transitions. [2025-02-08 01:57:42,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2025-02-08 01:57:42,806 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:57:42,807 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 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, 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] [2025-02-08 01:57:42,827 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 01:57:43,007 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 01:57:43,008 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:57:43,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:57:43,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1698945745, now seen corresponding path program 2 times [2025-02-08 01:57:43,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:57:43,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122054210] [2025-02-08 01:57:43,009 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 01:57:43,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:57:46,563 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 235 statements into 2 equivalence classes. [2025-02-08 01:57:47,486 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 235 of 235 statements. [2025-02-08 01:57:47,486 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 01:57:47,487 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:49,488 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2025-02-08 01:57:49,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:57:49,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122054210] [2025-02-08 01:57:49,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122054210] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:57:49,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259227993] [2025-02-08 01:57:49,489 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 01:57:49,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:57:49,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:57:49,491 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 01:57:49,493 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 01:57:54,549 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 235 statements into 2 equivalence classes.