./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 c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_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-?-c00e63d-m [2025-02-06 05:21:00,579 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:21:00,652 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:21:00,656 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:21:00,657 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:21:00,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:21:00,691 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:21:00,692 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:21:00,692 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:21:00,692 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:21:00,693 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:21:00,693 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:21:00,694 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:21:00,694 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:21:00,694 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:21:00,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:21:00,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:21:00,695 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:21:00,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:21:00,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:21:00,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:21:00,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:21:00,695 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:21:00,695 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:21:00,695 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:21:00,696 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:21:00,696 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:21:00,696 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:21:00,696 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:21:00,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:21:00,696 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:21:00,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:21:00,697 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:21:00,697 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:21:00,697 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:21:00,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:21:00,697 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:21:00,697 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:21:00,698 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:21:00,698 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:21:00,698 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 [2025-02-06 05:21:00,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:21:01,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:21:01,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:21:01,006 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:21:01,006 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:21:01,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i [2025-02-06 05:21:02,264 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/09537724e/d23d13af1abd4a79a1828fd9daca1074/FLAGfc73d3e9f [2025-02-06 05:21:02,904 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:21:02,906 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i [2025-02-06 05:21:02,947 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/09537724e/d23d13af1abd4a79a1828fd9daca1074/FLAGfc73d3e9f [2025-02-06 05:21:02,961 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/09537724e/d23d13af1abd4a79a1828fd9daca1074 [2025-02-06 05:21:02,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:21:02,965 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:21:02,967 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:21:02,967 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:21:02,971 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:21:02,972 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:21:02" (1/1) ... [2025-02-06 05:21:02,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59a2629a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:02, skipping insertion in model container [2025-02-06 05:21:02,973 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:21:02" (1/1) ... [2025-02-06 05:21:03,064 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:21:03,302 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] [2025-02-06 05:21:03,311 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] [2025-02-06 05:21:03,952 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:03,952 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:03,953 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:03,953 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:03,954 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:03,968 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:03,968 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:03,970 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:03,970 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:03,972 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:03,973 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:03,974 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:03,975 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,498 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,506 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,573 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,573 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,574 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,574 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,574 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,574 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,575 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,575 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,575 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,576 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,576 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,576 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,576 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,580 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,580 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,581 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,581 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,584 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,584 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,593 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,595 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,597 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,614 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,615 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,615 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:21:04,661 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:21:04,679 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] [2025-02-06 05:21:04,679 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] [2025-02-06 05:21:04,726 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,727 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,727 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,728 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,728 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,771 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,774 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,775 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,775 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,776 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,776 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,777 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,777 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,858 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,864 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7771-7782] [2025-02-06 05:21:04,894 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,896 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,897 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,897 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,897 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,897 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,898 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,899 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,899 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,899 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,899 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,899 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,899 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,900 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,900 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,900 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,900 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,903 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,903 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,910 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,911 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,913 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,918 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,919 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,919 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:21:05,116 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:21:05,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:05 WrapperNode [2025-02-06 05:21:05,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:21:05,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:21:05,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:21:05,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:21:05,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:05" (1/1) ... [2025-02-06 05:21:05,202 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:05" (1/1) ... [2025-02-06 05:21:05,273 INFO L138 Inliner]: procedures = 686, calls = 1933, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 1082 [2025-02-06 05:21:05,274 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:21:05,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:21:05,279 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:21:05,279 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:21:05,287 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:05" (1/1) ... [2025-02-06 05:21:05,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:05" (1/1) ... [2025-02-06 05:21:05,298 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:05" (1/1) ... [2025-02-06 05:21:05,435 INFO L175 MemorySlicer]: Split 396 memory accesses to 6 slices as follows [17, 2, 3, 97, 264, 13]. 67 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [4, 2, 1, 0, 12, 11]. The 262 writes are split as follows [3, 0, 1, 18, 240, 0]. [2025-02-06 05:21:05,438 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:05" (1/1) ... [2025-02-06 05:21:05,438 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:05" (1/1) ... [2025-02-06 05:21:05,510 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:05" (1/1) ... [2025-02-06 05:21:05,520 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:05" (1/1) ... [2025-02-06 05:21:05,536 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:05" (1/1) ... [2025-02-06 05:21:05,548 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:05" (1/1) ... [2025-02-06 05:21:05,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:21:05,572 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:21:05,572 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:21:05,572 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:21:05,576 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:05" (1/1) ... [2025-02-06 05:21:05,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:21:05,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:21:05,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 05:21:05,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 05:21:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-02-06 05:21:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-02-06 05:21:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-02-06 05:21:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-02-06 05:21:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:21:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-02-06 05:21:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-02-06 05:21:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-02-06 05:21:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-02-06 05:21:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:21:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:21:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-02-06 05:21:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-02-06 05:21:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:21:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:21:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:21:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:21:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:21:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:21:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:21:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:21:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:21:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:21:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:21:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:21:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 05:21:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 05:21:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:21:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:21:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2025-02-06 05:21:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2025-02-06 05:21:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:21:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:21:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:21:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:21:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:21:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:21:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:21:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:21:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-02-06 05:21:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-02-06 05:21:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-02-06 05:21:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-02-06 05:21:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:21:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:21:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:21:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:21:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-06 05:21:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-06 05:21:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-06 05:21:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-06 05:21:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:21:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:21:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:21:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:21:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:21:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:21:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-06 05:21:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-06 05:21:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-02-06 05:21:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-02-06 05:21:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-02-06 05:21:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-02-06 05:21:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-06 05:21:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-06 05:21:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-06 05:21:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-06 05:21:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-06 05:21:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-02-06 05:21:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-06 05:21:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-06 05:21:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-06 05:21:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-06 05:21:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-06 05:21:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-02-06 05:21:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:21:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:21:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-02-06 05:21:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-02-06 05:21:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2025-02-06 05:21:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2025-02-06 05:21:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:21:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:21:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:21:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:21:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:21:05,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:21:05,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 05:21:05,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:21:05,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:21:05,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:21:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:21:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:21:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:21:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-02-06 05:21:05,644 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-02-06 05:21:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 05:21:05,644 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 05:21:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-06 05:21:05,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-06 05:21:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:21:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:21:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:21:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:21:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:21:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 05:21:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-02-06 05:21:05,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-02-06 05:21:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-02-06 05:21:05,645 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-02-06 05:21:05,645 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-06 05:21:05,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-06 05:21:05,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:21:05,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:21:05,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:21:05,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:21:05,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:21:05,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:21:05,645 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2025-02-06 05:21:05,645 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2025-02-06 05:21:06,002 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:21:06,005 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:21:06,044 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc583.base, #t~malloc583.offset; [2025-02-06 05:21:06,051 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-06 05:21:06,091 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-06 05:21:06,155 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-02-06 05:21:06,240 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8272: havoc aws_priority_queue_backpointers_valid_#t~ret874#1;havoc aws_priority_queue_backpointers_valid_#t~short875#1; [2025-02-06 05:21:06,354 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2944: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2025-02-06 05:21:06,358 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:21:06,434 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8186: havoc ~node~1.base, ~node~1.offset; [2025-02-06 05:21:06,556 INFO L1309 $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; [2025-02-06 05:21:06,584 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-02-06 05:21:06,584 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7268: havoc nondet_compare_#t~ret668#1; [2025-02-06 05:21:06,601 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2025-02-06 05:21:06,607 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7392: havoc #t~ret681.base, #t~ret681.offset; [2025-02-06 05:21:06,643 INFO L1309 $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; [2025-02-06 05:21:06,740 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3188: havoc #t~ret236; [2025-02-06 05:21:12,819 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8417-2: havoc aws_priority_queue_remove_#t~ret928#1; [2025-02-06 05:21:12,819 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8419-2: havoc aws_priority_queue_remove_#t~ret930#1; [2025-02-06 05:21:13,137 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3121: havoc #t~ret187; [2025-02-06 05:21:13,137 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3108: havoc ~last_item_offset~1; [2025-02-06 05:21:13,281 INFO L? ?]: Removed 265 outVars from TransFormulas that were not future-live. [2025-02-06 05:21:13,281 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:21:13,306 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:21:13,306 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:21:13,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:21:13 BoogieIcfgContainer [2025-02-06 05:21:13,307 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:21:13,309 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:21:13,309 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:21:13,316 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:21:13,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:21:02" (1/3) ... [2025-02-06 05:21:13,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c3347b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:21:13, skipping insertion in model container [2025-02-06 05:21:13,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:05" (2/3) ... [2025-02-06 05:21:13,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c3347b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:21:13, skipping insertion in model container [2025-02-06 05:21:13,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:21:13" (3/3) ... [2025-02-06 05:21:13,319 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_remove_harness.i [2025-02-06 05:21:13,334 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:21:13,336 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_remove_harness.i that has 34 procedures, 485 locations, 1 initial locations, 12 loop locations, and 2 error locations. [2025-02-06 05:21:13,409 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:21:13,420 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;@69085ce9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:21:13,422 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-06 05:21:13,428 INFO L276 IsEmpty]: Start isEmpty. Operand has 465 states, 268 states have (on average 1.242537313432836) internal successors, (333), 273 states have internal predecessors, (333), 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) [2025-02-06 05:21:13,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-02-06 05:21:13,444 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:21:13,445 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-02-06 05:21:13,446 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:21:13,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:21:13,452 INFO L85 PathProgramCache]: Analyzing trace with hash -518638816, now seen corresponding path program 1 times [2025-02-06 05:21:13,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:21:13,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067322998] [2025-02-06 05:21:13,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:13,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:21:18,486 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-02-06 05:21:19,090 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-02-06 05:21:19,091 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:19,091 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:19,717 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2025-02-06 05:21:19,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:21:19,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067322998] [2025-02-06 05:21:19,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067322998] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:21:19,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116738310] [2025-02-06 05:21:19,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:19,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:21:19,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:21:19,723 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:21:19,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 05:21:24,689 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-02-06 05:21:25,273 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-02-06 05:21:25,273 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:25,274 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:25,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 4523 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 05:21:25,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:21:25,327 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2025-02-06 05:21:25,328 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:21:25,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116738310] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:21:25,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:21:25,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 05:21:25,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174161252] [2025-02-06 05:21:25,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:21:25,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 05:21:25,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:21:25,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 05:21:25,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 05:21:25,357 INFO L87 Difference]: Start difference. First operand has 465 states, 268 states have (on average 1.242537313432836) internal successors, (333), 273 states have internal predecessors, (333), 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 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-02-06 05:21:25,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:21:25,450 INFO L93 Difference]: Finished difference Result 902 states and 1401 transitions. [2025-02-06 05:21:25,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 05:21:25,452 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 171 [2025-02-06 05:21:25,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:21:25,463 INFO L225 Difference]: With dead ends: 902 [2025-02-06 05:21:25,463 INFO L226 Difference]: Without dead ends: 458 [2025-02-06 05:21:25,471 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 05:21:25,473 INFO L435 NwaCegarLoop]: 656 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, 656 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 05:21:25,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 05:21:25,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2025-02-06 05:21:25,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458. [2025-02-06 05:21:25,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 263 states have (on average 1.220532319391635) internal successors, (321), 266 states have internal predecessors, (321), 166 states have call successors, (166), 28 states have call predecessors, (166), 27 states have return successors, (164), 164 states have call predecessors, (164), 164 states have call successors, (164) [2025-02-06 05:21:25,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 651 transitions. [2025-02-06 05:21:25,567 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 651 transitions. Word has length 171 [2025-02-06 05:21:25,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:21:25,570 INFO L471 AbstractCegarLoop]: Abstraction has 458 states and 651 transitions. [2025-02-06 05:21:25,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-02-06 05:21:25,571 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 651 transitions. [2025-02-06 05:21:25,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2025-02-06 05:21:25,584 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:21:25,584 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, 1, 1, 1] [2025-02-06 05:21:25,604 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 [2025-02-06 05:21:25,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 05:21:25,786 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:21:25,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:21:25,787 INFO L85 PathProgramCache]: Analyzing trace with hash 2097939009, now seen corresponding path program 1 times [2025-02-06 05:21:25,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:21:25,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382102315] [2025-02-06 05:21:25,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:25,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:21:29,745 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-02-06 05:21:29,942 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-02-06 05:21:29,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:29,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:31,310 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2025-02-06 05:21:31,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:21:31,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382102315] [2025-02-06 05:21:31,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382102315] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:21:31,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662127840] [2025-02-06 05:21:31,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:31,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:21:31,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:21:31,317 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:21:31,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 05:21:35,760 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-02-06 05:21:36,347 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-02-06 05:21:36,347 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:36,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:36,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 4603 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 05:21:36,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:21:37,450 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2025-02-06 05:21:37,450 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:21:37,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662127840] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:21:37,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:21:37,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-02-06 05:21:37,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746626441] [2025-02-06 05:21:37,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:21:37,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 05:21:37,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:21:37,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 05:21:37,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-02-06 05:21:37,454 INFO L87 Difference]: Start difference. First operand 458 states and 651 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 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) [2025-02-06 05:21:40,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:21:40,930 INFO L93 Difference]: Finished difference Result 867 states and 1251 transitions. [2025-02-06 05:21:40,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 05:21:40,931 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 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 186 [2025-02-06 05:21:40,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:21:40,943 INFO L225 Difference]: With dead ends: 867 [2025-02-06 05:21:40,943 INFO L226 Difference]: Without dead ends: 460 [2025-02-06 05:21:40,947 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-02-06 05:21:40,948 INFO L435 NwaCegarLoop]: 578 mSDtfsCounter, 659 mSDsluCounter, 1667 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 2245 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2025-02-06 05:21:40,948 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 2245 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2025-02-06 05:21:40,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2025-02-06 05:21:40,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 460. [2025-02-06 05:21:41,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 264 states have (on average 1.2196969696969697) internal successors, (322), 268 states have internal predecessors, (322), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (177), 164 states have call predecessors, (177), 164 states have call successors, (177) [2025-02-06 05:21:41,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 665 transitions. [2025-02-06 05:21:41,009 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 665 transitions. Word has length 186 [2025-02-06 05:21:41,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:21:41,010 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 665 transitions. [2025-02-06 05:21:41,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 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) [2025-02-06 05:21:41,012 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 665 transitions. [2025-02-06 05:21:41,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2025-02-06 05:21:41,019 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:21:41,020 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, 1, 1, 1] [2025-02-06 05:21:41,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-06 05:21:41,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:21:41,221 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:21:41,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:21:41,222 INFO L85 PathProgramCache]: Analyzing trace with hash -871997525, now seen corresponding path program 1 times [2025-02-06 05:21:41,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:21:41,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626589051] [2025-02-06 05:21:41,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:41,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:21:44,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-02-06 05:21:45,050 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-02-06 05:21:45,050 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:45,050 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:47,040 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2025-02-06 05:21:47,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:21:47,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626589051] [2025-02-06 05:21:47,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626589051] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:21:47,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [695644603] [2025-02-06 05:21:47,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:47,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:21:47,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:21:47,045 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:21:47,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 05:21:51,676 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-02-06 05:21:52,196 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-02-06 05:21:52,196 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:52,196 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:52,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 4653 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 05:21:52,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:21:53,986 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2025-02-06 05:21:53,987 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:21:53,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [695644603] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:21:53,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:21:53,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2025-02-06 05:21:53,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651901176] [2025-02-06 05:21:53,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:21:53,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 05:21:53,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:21:53,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 05:21:53,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-02-06 05:21:53,989 INFO L87 Difference]: Start difference. First operand 460 states and 665 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 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) [2025-02-06 05:22:00,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:22:00,980 INFO L93 Difference]: Finished difference Result 890 states and 1322 transitions. [2025-02-06 05:22:00,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 05:22:00,981 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 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 194 [2025-02-06 05:22:00,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:22:00,988 INFO L225 Difference]: With dead ends: 890 [2025-02-06 05:22:00,988 INFO L226 Difference]: Without dead ends: 481 [2025-02-06 05:22:00,991 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2025-02-06 05:22:00,992 INFO L435 NwaCegarLoop]: 574 mSDtfsCounter, 690 mSDsluCounter, 2747 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 716 SdHoareTripleChecker+Valid, 3321 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2025-02-06 05:22:00,992 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [716 Valid, 3321 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2025-02-06 05:22:00,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2025-02-06 05:22:01,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2025-02-06 05:22:01,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 280 states have (on average 1.2285714285714286) internal successors, (344), 284 states have internal predecessors, (344), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2025-02-06 05:22:01,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 708 transitions. [2025-02-06 05:22:01,044 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 708 transitions. Word has length 194 [2025-02-06 05:22:01,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:22:01,045 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 708 transitions. [2025-02-06 05:22:01,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 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) [2025-02-06 05:22:01,045 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 708 transitions. [2025-02-06 05:22:01,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2025-02-06 05:22:01,050 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:22:01,050 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, 1, 1, 1, 1] [2025-02-06 05:22:01,074 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 05:22:01,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:22:01,251 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:22:01,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:22:01,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1870811310, now seen corresponding path program 1 times [2025-02-06 05:22:01,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:22:01,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297708956] [2025-02-06 05:22:01,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:22:01,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:22:04,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 209 statements into 1 equivalence classes. [2025-02-06 05:22:04,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 209 of 209 statements. [2025-02-06 05:22:04,918 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:22:04,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:22:06,511 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2025-02-06 05:22:06,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:22:06,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297708956] [2025-02-06 05:22:06,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297708956] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:22:06,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745151999] [2025-02-06 05:22:06,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:22:06,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:22:06,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:22:06,514 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:22:06,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 05:22:11,210 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 209 statements into 1 equivalence classes. [2025-02-06 05:22:11,748 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 209 of 209 statements. [2025-02-06 05:22:11,748 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:22:11,749 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:22:11,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 4780 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 05:22:11,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:22:13,036 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2025-02-06 05:22:13,036 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:22:13,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745151999] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:22:13,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:22:13,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2025-02-06 05:22:13,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430885970] [2025-02-06 05:22:13,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:22:13,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 05:22:13,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:22:13,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 05:22:13,039 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-02-06 05:22:13,039 INFO L87 Difference]: Start difference. First operand 479 states and 708 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 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) [2025-02-06 05:22:17,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:22:17,646 INFO L93 Difference]: Finished difference Result 913 states and 1381 transitions. [2025-02-06 05:22:17,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 05:22:17,647 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 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 209 [2025-02-06 05:22:17,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:22:17,653 INFO L225 Difference]: With dead ends: 913 [2025-02-06 05:22:17,653 INFO L226 Difference]: Without dead ends: 485 [2025-02-06 05:22:17,657 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2025-02-06 05:22:17,658 INFO L435 NwaCegarLoop]: 570 mSDtfsCounter, 675 mSDsluCounter, 2182 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 2752 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-02-06 05:22:17,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 2752 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2025-02-06 05:22:17,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2025-02-06 05:22:17,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 479. [2025-02-06 05:22:17,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 280 states have (on average 1.2285714285714286) internal successors, (344), 284 states have internal predecessors, (344), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2025-02-06 05:22:17,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 708 transitions. [2025-02-06 05:22:17,690 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 708 transitions. Word has length 209 [2025-02-06 05:22:17,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:22:17,691 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 708 transitions. [2025-02-06 05:22:17,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 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) [2025-02-06 05:22:17,692 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 708 transitions. [2025-02-06 05:22:17,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2025-02-06 05:22:17,694 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:22:17,695 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, 1, 1, 1, 1] [2025-02-06 05:22:17,721 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-06 05:22:17,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:22:17,896 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:22:17,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:22:17,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1595387178, now seen corresponding path program 1 times [2025-02-06 05:22:17,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:22:17,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742335147] [2025-02-06 05:22:17,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:22:17,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:22:21,611 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 225 statements into 1 equivalence classes. [2025-02-06 05:22:21,750 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 225 of 225 statements. [2025-02-06 05:22:21,750 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:22:21,750 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:22:23,529 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2025-02-06 05:22:23,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:22:23,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742335147] [2025-02-06 05:22:23,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742335147] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:22:23,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211925380] [2025-02-06 05:22:23,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:22:23,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:22:23,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:22:23,533 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:22:23,535 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