./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.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_negated.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 fafc38909a055846da1b41b1ae706143d92ef6bb742651c374b2236f4f92c5ee --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:21:00,652 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:21:00,706 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:21:00,709 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:21:00,709 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:21:00,733 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:21:00,734 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:21:00,734 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:21:00,735 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:21:00,735 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:21:00,735 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:21:00,736 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:21:00,736 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:21:00,736 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:21:00,736 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:21:00,737 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:21:00,737 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:21:00,737 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:21:00,737 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:21:00,737 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:21:00,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:21:00,737 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:21:00,737 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:21:00,737 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:21:00,737 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:21:00,737 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:21:00,738 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:21:00,738 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:21:00,738 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:21:00,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:21:00,738 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:21:00,738 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:21:00,738 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:21:00,738 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:21:00,739 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:21:00,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:21:00,739 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:21:00,739 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:21:00,739 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:21:00,739 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:21:00,739 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 -> fafc38909a055846da1b41b1ae706143d92ef6bb742651c374b2236f4f92c5ee [2025-02-06 05:21:00,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:21:00,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:21:00,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:21:00,970 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:21:00,970 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:21:00,976 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i [2025-02-06 05:21:02,256 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d1a0114fc/99f921ffe1b14bb3a4d3563517034c25/FLAGa029442ad [2025-02-06 05:21:02,771 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:21:02,771 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i [2025-02-06 05:21:02,808 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d1a0114fc/99f921ffe1b14bb3a4d3563517034c25/FLAGa029442ad [2025-02-06 05:21:02,822 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d1a0114fc/99f921ffe1b14bb3a4d3563517034c25 [2025-02-06 05:21:02,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:21:02,826 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:21:02,827 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:21:02,827 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:21:02,830 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:21:02,831 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:21:02" (1/1) ... [2025-02-06 05:21:02,833 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4939f48f 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 05:21:02,833 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:21:02" (1/1) ... [2025-02-06 05:21:02,899 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:21:03,094 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_negated.i[4499,4512] [2025-02-06 05:21:03,100 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_negated.i[4559,4572] [2025-02-06 05:21:03,632 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:03,634 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:03,635 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:03,636 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:03,637 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:03,645 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:03,646 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:03,647 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:03,647 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:03,648 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:03,649 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:03,650 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:03,650 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:03,980 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:03,984 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,031 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,032 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,032 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,032 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,032 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,032 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,033 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,033 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,033 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,033 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,033 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,033 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,033 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,037 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,037 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,038 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,038 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,040 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,040 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,045 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,045 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,046 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,061 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,061 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,062 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:21:04,098 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:21:04,112 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_negated.i[4499,4512] [2025-02-06 05:21:04,112 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_negated.i[4559,4572] [2025-02-06 05:21:04,147 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,148 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,148 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,149 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,149 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,153 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,154 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,154 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,154 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,155 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,155 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,156 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,156 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,241 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,245 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,254 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2025-02-06 05:21:04,307 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,308 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,308 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,308 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,308 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,309 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,309 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,309 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,309 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,309 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,310 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,310 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,310 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,310 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,310 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,311 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,311 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,312 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,312 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,315 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,316 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,316 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,319 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,320 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,320 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:04,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:21:04,503 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:21:04,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:04 WrapperNode [2025-02-06 05:21:04,504 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:21:04,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:21:04,505 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:21:04,505 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:21:04,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:04" (1/1) ... [2025-02-06 05:21:04,570 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:04" (1/1) ... [2025-02-06 05:21:04,654 INFO L138 Inliner]: procedures = 686, calls = 1933, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 1082 [2025-02-06 05:21:04,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:21:04,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:21:04,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:21:04,656 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:21:04,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:04" (1/1) ... [2025-02-06 05:21:04,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:04" (1/1) ... [2025-02-06 05:21:04,674 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:04" (1/1) ... [2025-02-06 05:21:04,758 INFO L175 MemorySlicer]: Split 396 memory accesses to 6 slices as follows [2, 13, 3, 97, 17, 264]. 67 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [2, 11, 1, 0, 4, 12]. The 262 writes are split as follows [0, 0, 1, 18, 3, 240]. [2025-02-06 05:21:04,758 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:04" (1/1) ... [2025-02-06 05:21:04,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:04" (1/1) ... [2025-02-06 05:21:04,809 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:04" (1/1) ... [2025-02-06 05:21:04,816 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:04" (1/1) ... [2025-02-06 05:21:04,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:04" (1/1) ... [2025-02-06 05:21:04,838 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:04" (1/1) ... [2025-02-06 05:21:04,853 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:21:04,854 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:21:04,854 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:21:04,854 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:21:04,856 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:04" (1/1) ... [2025-02-06 05:21:04,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:21:04,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:21:04,891 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 05:21:04,904 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 05:21:04,923 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-02-06 05:21:04,923 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-02-06 05:21:04,923 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-02-06 05:21:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-02-06 05:21:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:21:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-02-06 05:21:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-02-06 05:21:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-02-06 05:21:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-02-06 05:21:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:21:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:21:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-02-06 05:21:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-02-06 05:21:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:21:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:21:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:21:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:21:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:21:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:21:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:21:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:21:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:21:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:21:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:21:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:21:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 05:21:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 05:21:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:21:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:21:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2025-02-06 05:21:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2025-02-06 05:21:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:21:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:21:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:21:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:21:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:21:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:21:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:21:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:21:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-02-06 05:21:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-02-06 05:21:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-02-06 05:21:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-02-06 05:21:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:21:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:21:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:21:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:21:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-06 05:21:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-06 05:21:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-06 05:21:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-06 05:21:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:21:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:21:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:21:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:21:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:21:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:21:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-06 05:21:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-06 05:21:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-02-06 05:21:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-02-06 05:21:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-02-06 05:21:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-02-06 05:21:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-06 05:21:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-06 05:21:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-06 05:21:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-06 05:21:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-06 05:21:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-02-06 05:21:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-06 05:21:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-06 05:21:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-06 05:21:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-06 05:21:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-06 05:21:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-02-06 05:21:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:21:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:21:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-02-06 05:21:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-02-06 05:21:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2025-02-06 05:21:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2025-02-06 05:21:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:21:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:21:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:21:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:21:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:21:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:21:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 05:21:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:21:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:21:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:21:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:21:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:21:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:21:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-02-06 05:21:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-02-06 05:21:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 05:21:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 05:21:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-06 05:21:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-06 05:21:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:21:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:21:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:21:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:21:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:21:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 05:21:04,930 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-02-06 05:21:04,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-02-06 05:21:04,930 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-02-06 05:21:04,930 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-02-06 05:21:04,930 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-06 05:21:04,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-06 05:21:04,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:21:04,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:21:04,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:21:04,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:21:04,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:21:04,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:21:04,931 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2025-02-06 05:21:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2025-02-06 05:21:05,208 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:21:05,210 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:21:05,235 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923: havoc #t~malloc583.base, #t~malloc583.offset; [2025-02-06 05:21:05,238 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-06 05:21:05,254 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-06 05:21:05,296 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6937: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-02-06 05:21:05,344 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8240: havoc aws_priority_queue_backpointers_valid_#t~ret874#1;havoc aws_priority_queue_backpointers_valid_#t~short875#1; [2025-02-06 05:21:05,406 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 05:21:05,409 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:21:05,448 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8154: havoc ~node~1.base, ~node~1.offset; [2025-02-06 05:21:05,530 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8350: call ULTIMATE.dealloc(~#backpointer~0#1.base, ~#backpointer~0#1.offset);havoc ~#backpointer~0#1.base, ~#backpointer~0#1.offset; [2025-02-06 05:21:05,551 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-02-06 05:21:05,552 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7252: havoc nondet_compare_#t~ret668#1; [2025-02-06 05:21:05,595 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2025-02-06 05:21:05,601 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7360: havoc #t~ret681.base, #t~ret681.offset; [2025-02-06 05:21:05,630 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8050: 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 05:21:05,709 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3188: havoc #t~ret236; [2025-02-06 05:21:11,527 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8385-2: havoc aws_priority_queue_remove_#t~ret928#1; [2025-02-06 05:21:11,527 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8387-2: havoc aws_priority_queue_remove_#t~ret930#1; [2025-02-06 05:21:11,752 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3121: havoc #t~ret187; [2025-02-06 05:21:11,752 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3108: havoc ~last_item_offset~1; [2025-02-06 05:21:11,856 INFO L? ?]: Removed 265 outVars from TransFormulas that were not future-live. [2025-02-06 05:21:11,856 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:21:11,868 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:21:11,868 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:21:11,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:21:11 BoogieIcfgContainer [2025-02-06 05:21:11,869 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:21:11,871 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:21:11,871 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:21:11,874 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:21:11,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:21:02" (1/3) ... [2025-02-06 05:21:11,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e40fe46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:21:11, skipping insertion in model container [2025-02-06 05:21:11,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:04" (2/3) ... [2025-02-06 05:21:11,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e40fe46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:21:11, skipping insertion in model container [2025-02-06 05:21:11,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:21:11" (3/3) ... [2025-02-06 05:21:11,876 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_remove_harness_negated.i [2025-02-06 05:21:11,885 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:21:11,886 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_remove_harness_negated.i that has 34 procedures, 485 locations, 1 initial locations, 12 loop locations, and 2 error locations. [2025-02-06 05:21:11,926 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:21:11,933 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;@6c79362e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:21:11,933 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-06 05:21:11,936 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 05:21:11,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-02-06 05:21:11,946 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:21:11,946 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 05:21:11,946 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:21:11,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:21:11,950 INFO L85 PathProgramCache]: Analyzing trace with hash -518638816, now seen corresponding path program 1 times [2025-02-06 05:21:11,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:21:11,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941240174] [2025-02-06 05:21:11,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:11,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:21:16,518 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-02-06 05:21:16,873 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-02-06 05:21:16,874 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:16,874 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:17,293 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 05:21:17,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:21:17,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941240174] [2025-02-06 05:21:17,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941240174] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:21:17,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883739325] [2025-02-06 05:21:17,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:17,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:21:17,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:21:17,296 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 05:21:17,300 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 05:21:21,494 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-02-06 05:21:21,971 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-02-06 05:21:21,972 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:21,972 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:21,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 4523 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 05:21:22,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:21:22,016 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 05:21:22,016 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:21:22,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883739325] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:21:22,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:21:22,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 05:21:22,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765313361] [2025-02-06 05:21:22,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:21:22,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 05:21:22,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:21:22,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 05:21:22,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 05:21:22,040 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 05:21:22,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:21:22,122 INFO L93 Difference]: Finished difference Result 902 states and 1401 transitions. [2025-02-06 05:21:22,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 05:21:22,124 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 05:21:22,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:21:22,137 INFO L225 Difference]: With dead ends: 902 [2025-02-06 05:21:22,137 INFO L226 Difference]: Without dead ends: 458 [2025-02-06 05:21:22,148 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 05:21:22,150 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 05:21:22,153 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 05:21:22,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2025-02-06 05:21:22,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458. [2025-02-06 05:21:22,230 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 05:21:22,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 651 transitions. [2025-02-06 05:21:22,242 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 651 transitions. Word has length 171 [2025-02-06 05:21:22,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:21:22,243 INFO L471 AbstractCegarLoop]: Abstraction has 458 states and 651 transitions. [2025-02-06 05:21:22,243 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 05:21:22,243 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 651 transitions. [2025-02-06 05:21:22,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2025-02-06 05:21:22,247 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:21:22,247 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 05:21:22,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 05:21:22,451 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 05:21:22,451 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:21:22,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:21:22,452 INFO L85 PathProgramCache]: Analyzing trace with hash 2097939009, now seen corresponding path program 1 times [2025-02-06 05:21:22,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:21:22,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293027834] [2025-02-06 05:21:22,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:22,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:21:26,283 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-02-06 05:21:26,410 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-02-06 05:21:26,410 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:26,410 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:27,348 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 05:21:27,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:21:27,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293027834] [2025-02-06 05:21:27,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293027834] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:21:27,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113867276] [2025-02-06 05:21:27,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:27,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:21:27,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:21:27,355 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 05:21:27,356 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 05:21:31,512 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-02-06 05:21:31,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-02-06 05:21:31,945 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:31,945 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:31,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 4603 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 05:21:31,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:21:33,005 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 05:21:33,006 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:21:33,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113867276] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:21:33,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:21:33,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-02-06 05:21:33,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656811276] [2025-02-06 05:21:33,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:21:33,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 05:21:33,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:21:33,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 05:21:33,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-02-06 05:21:33,008 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 05:21:36,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:21:36,355 INFO L93 Difference]: Finished difference Result 867 states and 1251 transitions. [2025-02-06 05:21:36,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 05:21:36,358 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 05:21:36,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:21:36,366 INFO L225 Difference]: With dead ends: 867 [2025-02-06 05:21:36,369 INFO L226 Difference]: Without dead ends: 460 [2025-02-06 05:21:36,373 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-02-06 05:21:36,377 INFO L435 NwaCegarLoop]: 578 mSDtfsCounter, 659 mSDsluCounter, 1667 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s 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, 3.0s IncrementalHoareTripleChecker+Time [2025-02-06 05:21:36,377 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 2245 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2025-02-06 05:21:36,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2025-02-06 05:21:36,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 460. [2025-02-06 05:21:36,413 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 05:21:36,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 665 transitions. [2025-02-06 05:21:36,418 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 665 transitions. Word has length 186 [2025-02-06 05:21:36,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:21:36,418 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 665 transitions. [2025-02-06 05:21:36,419 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 05:21:36,419 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 665 transitions. [2025-02-06 05:21:36,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2025-02-06 05:21:36,421 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:21:36,421 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 05:21:36,439 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 05:21:36,626 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 05:21:36,626 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:21:36,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:21:36,627 INFO L85 PathProgramCache]: Analyzing trace with hash -871997525, now seen corresponding path program 1 times [2025-02-06 05:21:36,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:21:36,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348176104] [2025-02-06 05:21:36,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:36,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:21:40,647 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-02-06 05:21:40,761 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-02-06 05:21:40,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:40,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:41,900 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 05:21:41,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:21:41,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348176104] [2025-02-06 05:21:41,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348176104] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:21:41,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292393853] [2025-02-06 05:21:41,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:41,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:21:41,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:21:41,903 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 05:21:41,904 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 05:21:45,859 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-02-06 05:21:46,289 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-02-06 05:21:46,289 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:46,289 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:46,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 4653 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 05:21:46,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:21:48,051 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 05:21:48,051 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:21:48,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292393853] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:21:48,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:21:48,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2025-02-06 05:21:48,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051075379] [2025-02-06 05:21:48,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:21:48,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 05:21:48,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:21:48,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 05:21:48,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-02-06 05:21:48,056 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 05:21:55,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:21:55,034 INFO L93 Difference]: Finished difference Result 890 states and 1322 transitions. [2025-02-06 05:21:55,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 05:21:55,035 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 05:21:55,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:21:55,046 INFO L225 Difference]: With dead ends: 890 [2025-02-06 05:21:55,047 INFO L226 Difference]: Without dead ends: 481 [2025-02-06 05:21:55,053 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2025-02-06 05:21:55,054 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, 6.0s IncrementalHoareTripleChecker+Time [2025-02-06 05:21:55,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [716 Valid, 3321 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2025-02-06 05:21:55,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2025-02-06 05:21:55,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2025-02-06 05:21:55,093 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 05:21:55,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 708 transitions. [2025-02-06 05:21:55,097 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 708 transitions. Word has length 194 [2025-02-06 05:21:55,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:21:55,098 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 708 transitions. [2025-02-06 05:21:55,099 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 05:21:55,100 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 708 transitions. [2025-02-06 05:21:55,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2025-02-06 05:21:55,102 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:21:55,102 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 05:21:55,119 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 [2025-02-06 05:21:55,305 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 05:21:55,305 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:21:55,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:21:55,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1870811310, now seen corresponding path program 1 times [2025-02-06 05:21:55,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:21:55,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141137277] [2025-02-06 05:21:55,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:55,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:21:58,627 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 209 statements into 1 equivalence classes. [2025-02-06 05:21:58,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 209 of 209 statements. [2025-02-06 05:21:58,717 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:58,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:59,749 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 05:21:59,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:21:59,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141137277] [2025-02-06 05:21:59,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141137277] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:21:59,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435664938] [2025-02-06 05:21:59,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:59,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:21:59,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:21:59,755 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 05:21:59,756 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 05:22:03,837 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 209 statements into 1 equivalence classes. [2025-02-06 05:22:04,309 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 209 of 209 statements. [2025-02-06 05:22:04,310 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:22:04,310 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:22:04,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 4780 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 05:22:04,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:22:05,620 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 05:22:05,620 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:22:05,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435664938] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:22:05,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:22:05,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2025-02-06 05:22:05,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498728666] [2025-02-06 05:22:05,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:22:05,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 05:22:05,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:22:05,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 05:22:05,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-02-06 05:22:05,622 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 05:22:10,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:22:10,069 INFO L93 Difference]: Finished difference Result 913 states and 1381 transitions. [2025-02-06 05:22:10,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 05:22:10,070 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 05:22:10,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:22:10,077 INFO L225 Difference]: With dead ends: 913 [2025-02-06 05:22:10,078 INFO L226 Difference]: Without dead ends: 485 [2025-02-06 05:22:10,080 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2025-02-06 05:22:10,081 INFO L435 NwaCegarLoop]: 570 mSDtfsCounter, 675 mSDsluCounter, 2182 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s 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, 3.9s IncrementalHoareTripleChecker+Time [2025-02-06 05:22:10,082 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 2752 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2025-02-06 05:22:10,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2025-02-06 05:22:10,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 479. [2025-02-06 05:22:10,104 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 05:22:10,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 708 transitions. [2025-02-06 05:22:10,107 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 708 transitions. Word has length 209 [2025-02-06 05:22:10,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:22:10,108 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 708 transitions. [2025-02-06 05:22:10,108 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 05:22:10,108 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 708 transitions. [2025-02-06 05:22:10,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2025-02-06 05:22:10,110 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:22:10,110 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 05:22:10,130 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 05:22:10,311 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 05:22:10,311 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:22:10,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:22:10,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1595387178, now seen corresponding path program 1 times [2025-02-06 05:22:10,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:22:10,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670992634] [2025-02-06 05:22:10,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:22:10,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:22:13,620 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 225 statements into 1 equivalence classes. [2025-02-06 05:22:13,703 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 225 of 225 statements. [2025-02-06 05:22:13,703 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:22:13,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:22:15,006 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 05:22:15,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:22:15,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670992634] [2025-02-06 05:22:15,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670992634] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:22:15,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524135643] [2025-02-06 05:22:15,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:22:15,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:22:15,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:22:15,009 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 05:22:15,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-06 05:22:19,199 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 225 statements into 1 equivalence classes. [2025-02-06 05:22:19,641 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 225 of 225 statements. [2025-02-06 05:22:19,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:22:19,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:22:19,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 4852 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 05:22:19,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:22:21,780 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2025-02-06 05:22:21,782 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:22:21,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524135643] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:22:21,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:22:21,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2025-02-06 05:22:21,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524144941] [2025-02-06 05:22:21,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:22:21,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 05:22:21,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:22:21,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 05:22:21,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2025-02-06 05:22:21,783 INFO L87 Difference]: Start difference. First operand 479 states and 708 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 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) [2025-02-06 05:22:29,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:22:29,816 INFO L93 Difference]: Finished difference Result 924 states and 1386 transitions. [2025-02-06 05:22:29,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 05:22:29,817 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 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 225 [2025-02-06 05:22:29,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:22:29,825 INFO L225 Difference]: With dead ends: 924 [2025-02-06 05:22:29,825 INFO L226 Difference]: Without dead ends: 496 [2025-02-06 05:22:29,831 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2025-02-06 05:22:29,831 INFO L435 NwaCegarLoop]: 549 mSDtfsCounter, 732 mSDsluCounter, 3157 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 757 SdHoareTripleChecker+Valid, 3706 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2025-02-06 05:22:29,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [757 Valid, 3706 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2025-02-06 05:22:29,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2025-02-06 05:22:29,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 479. [2025-02-06 05:22:29,868 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 05:22:29,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 708 transitions. [2025-02-06 05:22:29,875 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 708 transitions. Word has length 225 [2025-02-06 05:22:29,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:22:29,876 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 708 transitions. [2025-02-06 05:22:29,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 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) [2025-02-06 05:22:29,876 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 708 transitions. [2025-02-06 05:22:29,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2025-02-06 05:22:29,878 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:22:29,878 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:22:29,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-06 05:22:30,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:22:30,079 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:22:30,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:22:30,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1871388049, now seen corresponding path program 2 times [2025-02-06 05:22:30,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:22:30,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087863642] [2025-02-06 05:22:30,080 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 05:22:30,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:22:33,404 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 240 statements into 2 equivalence classes. [2025-02-06 05:22:33,519 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 28 of 240 statements. [2025-02-06 05:22:33,520 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 05:22:33,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:22:35,254 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2025-02-06 05:22:35,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:22:35,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087863642] [2025-02-06 05:22:35,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087863642] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:22:35,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 05:22:35,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 05:22:35,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873689316] [2025-02-06 05:22:35,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:22:35,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 05:22:35,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:22:35,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 05:22:35,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 05:22:35,256 INFO L87 Difference]: Start difference. First operand 479 states and 708 transitions. Second operand has 6 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32) [2025-02-06 05:22:35,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:22:35,747 INFO L93 Difference]: Finished difference Result 487 states and 716 transitions. [2025-02-06 05:22:35,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 05:22:35,748 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32) Word has length 240 [2025-02-06 05:22:35,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:22:35,752 INFO L225 Difference]: With dead ends: 487 [2025-02-06 05:22:35,752 INFO L226 Difference]: Without dead ends: 485 [2025-02-06 05:22:35,752 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-02-06 05:22:35,753 INFO L435 NwaCegarLoop]: 648 mSDtfsCounter, 3 mSDsluCounter, 2565 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3213 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 05:22:35,753 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3213 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 05:22:35,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2025-02-06 05:22:35,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 484. [2025-02-06 05:22:35,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 283 states have (on average 1.226148409893993) internal successors, (347), 287 states have internal predecessors, (347), 169 states have call successors, (169), 29 states have call predecessors, (169), 30 states have return successors, (197), 168 states have call predecessors, (197), 167 states have call successors, (197) [2025-02-06 05:22:35,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 713 transitions. [2025-02-06 05:22:35,772 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 713 transitions. Word has length 240 [2025-02-06 05:22:35,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:22:35,775 INFO L471 AbstractCegarLoop]: Abstraction has 484 states and 713 transitions. [2025-02-06 05:22:35,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32) [2025-02-06 05:22:35,775 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 713 transitions. [2025-02-06 05:22:35,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2025-02-06 05:22:35,777 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:22:35,777 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:22:35,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 05:22:35,777 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:22:35,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:22:35,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1139373540, now seen corresponding path program 3 times [2025-02-06 05:22:35,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:22:35,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148452357] [2025-02-06 05:22:35,782 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 05:22:35,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms