./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_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 c5ce5ecaf845e6855240a1053cf9bb98448187512cca05d9c176538088e49244 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:55:54,700 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:55:54,772 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:55:54,777 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:55:54,778 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:55:54,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:55:54,806 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:55:54,807 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:55:54,807 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:55:54,807 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:55:54,807 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:55:54,807 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:55:54,808 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:55:54,808 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:55:54,808 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:55:54,808 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:55:54,808 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:55:54,808 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:55:54,808 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:55:54,808 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:55:54,808 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:55:54,808 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:55:54,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:55:54,808 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:55:54,809 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:55:54,809 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:55:54,809 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:55:54,809 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:55:54,809 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:55:54,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:55:54,809 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:55:54,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:55:54,809 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:55:54,809 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:55:54,809 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:55:54,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:55:54,810 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:55:54,810 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:55:54,810 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:55:54,810 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:55:54,811 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 -> c5ce5ecaf845e6855240a1053cf9bb98448187512cca05d9c176538088e49244 [2025-02-08 01:55:55,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:55:55,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:55:55,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:55:55,153 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:55:55,153 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:55:55,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i [2025-02-08 01:55:56,570 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/953015198/2a46dee028e24a13996113f8df2a005d/FLAG426d8772b [2025-02-08 01:55:57,112 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:55:57,114 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i [2025-02-08 01:55:57,155 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/953015198/2a46dee028e24a13996113f8df2a005d/FLAG426d8772b [2025-02-08 01:55:57,174 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/953015198/2a46dee028e24a13996113f8df2a005d [2025-02-08 01:55:57,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:55:57,179 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:55:57,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:55:57,181 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:55:57,185 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:55:57,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:55:57" (1/1) ... [2025-02-08 01:55:57,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3992b4a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:57, skipping insertion in model container [2025-02-08 01:55:57,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:55:57" (1/1) ... [2025-02-08 01:55:57,287 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:55:57,526 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_pop_harness_negated.i[4496,4509] [2025-02-08 01:55:57,535 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_pop_harness_negated.i[4556,4569] [2025-02-08 01:55:58,170 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,170 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,171 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,171 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,172 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,182 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,183 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,184 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,184 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,187 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,188 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,189 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,189 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,554 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,562 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,643 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,643 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,643 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,643 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,644 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,644 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,644 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,645 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,645 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,645 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,645 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,645 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,645 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,650 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,650 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,651 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,651 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,654 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,658 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,663 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,664 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,664 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:55:58,719 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:55:58,735 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_pop_harness_negated.i[4496,4509] [2025-02-08 01:55:58,736 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_pop_harness_negated.i[4556,4569] [2025-02-08 01:55:58,794 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,795 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,795 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,795 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,796 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,841 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,841 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,842 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,843 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,844 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,844 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,845 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,845 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,941 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,946 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2025-02-08 01:55:58,973 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,975 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,975 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,975 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,975 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,976 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,976 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,977 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,977 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,978 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,978 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,979 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,979 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,979 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,980 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,980 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,980 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,982 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,982 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,986 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,986 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,991 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:58,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:55:59,182 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:55:59,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:59 WrapperNode [2025-02-08 01:55:59,183 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:55:59,184 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:55:59,184 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:55:59,184 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:55:59,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:59" (1/1) ... [2025-02-08 01:55:59,246 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:59" (1/1) ... [2025-02-08 01:55:59,321 INFO L138 Inliner]: procedures = 686, calls = 1930, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 1055 [2025-02-08 01:55:59,321 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:55:59,322 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:55:59,322 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:55:59,322 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:55:59,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:59" (1/1) ... [2025-02-08 01:55:59,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:59" (1/1) ... [2025-02-08 01:55:59,342 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:59" (1/1) ... [2025-02-08 01:55:59,462 INFO L175 MemorySlicer]: Split 392 memory accesses to 6 slices as follows [2, 96, 17, 3, 261, 13]. 67 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [2, 0, 4, 1, 12, 11]. The 262 writes are split as follows [0, 18, 3, 1, 240, 0]. [2025-02-08 01:55:59,462 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:59" (1/1) ... [2025-02-08 01:55:59,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:59" (1/1) ... [2025-02-08 01:55:59,506 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:59" (1/1) ... [2025-02-08 01:55:59,509 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:59" (1/1) ... [2025-02-08 01:55:59,517 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:59" (1/1) ... [2025-02-08 01:55:59,527 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:59" (1/1) ... [2025-02-08 01:55:59,552 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:55:59,553 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:55:59,553 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:55:59,553 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:55:59,554 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:59" (1/1) ... [2025-02-08 01:55:59,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:55:59,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:55:59,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 01:55:59,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 01:55:59,615 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-02-08 01:55:59,616 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-02-08 01:55:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-02-08 01:55:59,616 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-02-08 01:55:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:55:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-02-08 01:55:59,616 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-02-08 01:55:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-02-08 01:55:59,616 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-02-08 01:55:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:55:59,616 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:55:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-02-08 01:55:59,617 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-02-08 01:55:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:55:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:55:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:55:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:55:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:55:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:55:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:55:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:55:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:55:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:55:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:55:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:55:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:55:59,618 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:55:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:55:59,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:55:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2025-02-08 01:55:59,618 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2025-02-08 01:55:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:55:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:55:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:55:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:55:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:55:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:55:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:55:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:55:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-02-08 01:55:59,619 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-02-08 01:55:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-02-08 01:55:59,619 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-02-08 01:55:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:55:59,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:55:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:55:59,619 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:55:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-08 01:55:59,619 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-08 01:55:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-08 01:55:59,619 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-08 01:55:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:55:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:55:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:55:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:55:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:55:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:55:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-08 01:55:59,619 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-08 01:55:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-02-08 01:55:59,619 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-02-08 01:55:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-02-08 01:55:59,619 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-02-08 01:55:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-08 01:55:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-08 01:55:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-08 01:55:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-08 01:55:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-08 01:55:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-02-08 01:55:59,620 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-08 01:55:59,620 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-08 01:55:59,620 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-08 01:55:59,620 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-08 01:55:59,620 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-08 01:55:59,620 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-02-08 01:55:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:55:59,620 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:55:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-02-08 01:55:59,620 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-02-08 01:55:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2025-02-08 01:55:59,620 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2025-02-08 01:55:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:55:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:55:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:55:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:55:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:55:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:55:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:55:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:55:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:55:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:55:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:55:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:55:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:55:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-02-08 01:55:59,620 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-02-08 01:55:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:55:59,623 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:55:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-08 01:55:59,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-08 01:55:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:55:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:55:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:55:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:55:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:55:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:55:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-02-08 01:55:59,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-02-08 01:55:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-02-08 01:55:59,625 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-02-08 01:55:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-08 01:55:59,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-08 01:55:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:55:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:55:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:55:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:55:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:55:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:55:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2025-02-08 01:55:59,626 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2025-02-08 01:55:59,977 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:55:59,980 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:56:00,033 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923: havoc #t~malloc583.base, #t~malloc583.offset; [2025-02-08 01:56:00,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-08 01:56:00,076 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-08 01:56:00,136 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6937: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-02-08 01:56:00,224 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8240: havoc aws_priority_queue_backpointers_valid_#t~ret874#1;havoc aws_priority_queue_backpointers_valid_#t~short875#1; [2025-02-08 01:56:00,321 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2944: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2025-02-08 01:56:00,325 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:56:00,406 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8154: havoc ~node~1.base, ~node~1.offset; [2025-02-08 01:56:00,545 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8088: s_sift_either_#t~ret844#1 := s_sift_down_#res#1;havoc s_sift_down_#t~ret813#1, s_sift_down_#t~mem814#1, s_sift_down_#t~ret815#1, s_sift_down_#t~ret816#1, s_sift_down_#t~ret817#1, s_sift_down_#t~mem818#1.base, s_sift_down_#t~mem818#1.offset, s_sift_down_#t~mem819#1.base, s_sift_down_#t~mem819#1.offset, s_sift_down_#t~mem820#1.base, s_sift_down_#t~mem820#1.offset, s_sift_down_#t~ret821#1, s_sift_down_#t~mem822#1.base, s_sift_down_#t~mem822#1.offset, s_sift_down_#t~ret823#1, s_sift_down_#t~mem824#1.base, s_sift_down_#t~mem824#1.offset, s_sift_down_#t~mem825#1.base, s_sift_down_#t~mem825#1.offset, s_sift_down_#t~mem826#1.base, s_sift_down_#t~mem826#1.offset, s_sift_down_#t~ret827#1, s_sift_down_#t~mem828#1.base, s_sift_down_#t~mem828#1.offset, s_sift_down_~left~0#1, s_sift_down_~right~0#1, s_sift_down_~first~0#1, s_sift_down_~#first_item~0#1.base, s_sift_down_~#first_item~0#1.offset, s_sift_down_~#other_item~0#1.base, s_sift_down_~#other_item~0#1.offset, s_sift_down_#t~ret829#1, s_sift_down_~queue#1.base, s_sift_down_~queue#1.offset, s_sift_down_~root#1, s_sift_down_~did_move~0#1, s_sift_down_~len~2#1;havoc s_sift_down_#in~queue#1.base, s_sift_down_#in~queue#1.offset, s_sift_down_#in~root#1;assume { :end_inline_s_sift_down } true;havoc s_sift_either_#t~ret844#1; [2025-02-08 01:56:00,546 INFO L1324 $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; [2025-02-08 01:56:00,580 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-02-08 01:56:00,580 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7252: havoc nondet_compare_#t~ret668#1; [2025-02-08 01:56:00,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2025-02-08 01:56:00,617 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7360: havoc #t~ret681.base, #t~ret681.offset; [2025-02-08 01:56:00,660 INFO L1324 $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; [2025-02-08 01:56:00,783 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3188: havoc #t~ret236; [2025-02-08 01:56:06,104 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8397-2: havoc aws_priority_queue_pop_#t~ret938#1; [2025-02-08 01:56:06,488 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3121: havoc #t~ret187; [2025-02-08 01:56:06,488 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3108: havoc ~last_item_offset~1; [2025-02-08 01:56:06,636 INFO L? ?]: Removed 249 outVars from TransFormulas that were not future-live. [2025-02-08 01:56:06,636 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:56:06,655 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:56:06,655 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:56:06,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:56:06 BoogieIcfgContainer [2025-02-08 01:56:06,658 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:56:06,661 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:56:06,661 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:56:06,665 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:56:06,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:55:57" (1/3) ... [2025-02-08 01:56:06,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@678f9a7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:56:06, skipping insertion in model container [2025-02-08 01:56:06,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:59" (2/3) ... [2025-02-08 01:56:06,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@678f9a7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:56:06, skipping insertion in model container [2025-02-08 01:56:06,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:56:06" (3/3) ... [2025-02-08 01:56:06,667 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_pop_harness_negated.i [2025-02-08 01:56:06,680 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:56:06,681 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_pop_harness_negated.i that has 34 procedures, 466 locations, 1 initial locations, 11 loop locations, and 2 error locations. [2025-02-08 01:56:06,780 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:56:06,792 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;@110cf8a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:56:06,792 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-08 01:56:06,798 INFO L276 IsEmpty]: Start isEmpty. Operand has 446 states, 249 states have (on average 1.248995983935743) internal successors, (311), 257 states have internal predecessors, (311), 162 states have call successors, (162), 28 states have call predecessors, (162), 28 states have return successors, (162), 162 states have call predecessors, (162), 162 states have call successors, (162) [2025-02-08 01:56:06,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2025-02-08 01:56:06,816 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:56:06,817 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:56:06,818 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:56:06,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:56:06,825 INFO L85 PathProgramCache]: Analyzing trace with hash 711157596, now seen corresponding path program 1 times [2025-02-08 01:56:06,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:56:06,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544762441] [2025-02-08 01:56:06,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:06,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:56:12,303 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-02-08 01:56:12,711 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-02-08 01:56:12,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:56:12,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:56:13,343 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2025-02-08 01:56:13,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:56:13,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544762441] [2025-02-08 01:56:13,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544762441] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:56:13,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021232571] [2025-02-08 01:56:13,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:13,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:56:13,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:56:13,351 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:56:13,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 01:56:17,969 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-02-08 01:56:18,540 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-02-08 01:56:18,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:56:18,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:56:18,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 4540 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 01:56:18,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:56:18,591 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2025-02-08 01:56:18,591 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:56:18,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021232571] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:56:18,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:56:18,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 01:56:18,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971938640] [2025-02-08 01:56:18,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:56:18,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 01:56:18,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:56:18,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 01:56:18,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:56:18,628 INFO L87 Difference]: Start difference. First operand has 446 states, 249 states have (on average 1.248995983935743) internal successors, (311), 257 states have internal predecessors, (311), 162 states have call successors, (162), 28 states have call predecessors, (162), 28 states have return successors, (162), 162 states have call predecessors, (162), 162 states have call successors, (162) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-02-08 01:56:18,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:56:18,718 INFO L93 Difference]: Finished difference Result 866 states and 1340 transitions. [2025-02-08 01:56:18,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 01:56:18,720 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 161 [2025-02-08 01:56:18,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:56:18,729 INFO L225 Difference]: With dead ends: 866 [2025-02-08 01:56:18,729 INFO L226 Difference]: Without dead ends: 431 [2025-02-08 01:56:18,740 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:56:18,743 INFO L435 NwaCegarLoop]: 628 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, 628 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 01:56:18,743 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 01:56:18,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2025-02-08 01:56:18,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 431. [2025-02-08 01:56:18,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 242 states have (on average 1.2272727272727273) internal successors, (297), 247 states have internal predecessors, (297), 160 states have call successors, (160), 28 states have call predecessors, (160), 27 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2025-02-08 01:56:18,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 613 transitions. [2025-02-08 01:56:18,840 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 613 transitions. Word has length 161 [2025-02-08 01:56:18,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:56:18,843 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 613 transitions. [2025-02-08 01:56:18,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-02-08 01:56:18,844 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 613 transitions. [2025-02-08 01:56:18,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2025-02-08 01:56:18,851 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:56:18,851 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:56:18,870 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 01:56:19,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-08 01:56:19,052 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:56:19,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:56:19,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1665055705, now seen corresponding path program 1 times [2025-02-08 01:56:19,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:56:19,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868251339] [2025-02-08 01:56:19,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:19,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:56:23,320 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-02-08 01:56:23,539 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-02-08 01:56:23,540 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:56:23,540 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:56:25,234 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2025-02-08 01:56:25,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:56:25,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868251339] [2025-02-08 01:56:25,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868251339] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:56:25,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586706961] [2025-02-08 01:56:25,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:25,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:56:25,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:56:25,239 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:56:25,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 01:56:29,755 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-02-08 01:56:30,310 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-02-08 01:56:30,311 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:56:30,311 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:56:30,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 4540 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 01:56:30,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:56:31,168 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-02-08 01:56:31,169 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:56:31,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586706961] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:56:31,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:56:31,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-02-08 01:56:31,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147916573] [2025-02-08 01:56:31,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:56:31,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 01:56:31,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:56:31,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 01:56:31,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 01:56:31,172 INFO L87 Difference]: Start difference. First operand 431 states and 613 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2025-02-08 01:56:32,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:56:32,858 INFO L93 Difference]: Finished difference Result 816 states and 1178 transitions. [2025-02-08 01:56:32,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 01:56:32,859 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 161 [2025-02-08 01:56:32,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:56:32,868 INFO L225 Difference]: With dead ends: 816 [2025-02-08 01:56:32,869 INFO L226 Difference]: Without dead ends: 433 [2025-02-08 01:56:32,872 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 01:56:32,873 INFO L435 NwaCegarLoop]: 579 mSDtfsCounter, 31 mSDsluCounter, 1655 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 2234 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-02-08 01:56:32,873 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 2234 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-02-08 01:56:32,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2025-02-08 01:56:32,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 433. [2025-02-08 01:56:32,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 243 states have (on average 1.2263374485596708) internal successors, (298), 249 states have internal predecessors, (298), 160 states have call successors, (160), 28 states have call predecessors, (160), 28 states have return successors, (169), 156 states have call predecessors, (169), 156 states have call successors, (169) [2025-02-08 01:56:32,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 627 transitions. [2025-02-08 01:56:32,909 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 627 transitions. Word has length 161 [2025-02-08 01:56:32,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:56:32,909 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 627 transitions. [2025-02-08 01:56:32,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2025-02-08 01:56:32,910 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 627 transitions. [2025-02-08 01:56:32,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2025-02-08 01:56:32,912 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:56:32,913 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:56:32,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 01:56:33,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:56:33,114 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:56:33,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:56:33,114 INFO L85 PathProgramCache]: Analyzing trace with hash -448223621, now seen corresponding path program 1 times [2025-02-08 01:56:33,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:56:33,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890891334] [2025-02-08 01:56:33,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:33,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:56:37,510 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-02-08 01:56:37,685 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-02-08 01:56:37,686 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:56:37,686 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:56:39,909 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2025-02-08 01:56:39,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:56:39,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890891334] [2025-02-08 01:56:39,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890891334] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:56:39,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080495778] [2025-02-08 01:56:39,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:39,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:56:39,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:56:39,911 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:56:39,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 01:56:44,423 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-02-08 01:56:44,924 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-02-08 01:56:44,924 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:56:44,924 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:56:44,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 4590 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 01:56:44,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:56:46,480 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-02-08 01:56:46,480 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:56:46,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080495778] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:56:46,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:56:46,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2025-02-08 01:56:46,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287378366] [2025-02-08 01:56:46,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:56:46,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 01:56:46,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:56:46,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 01:56:46,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2025-02-08 01:56:46,482 INFO L87 Difference]: Start difference. First operand 433 states and 627 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2025-02-08 01:56:50,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:56:50,421 INFO L93 Difference]: Finished difference Result 839 states and 1249 transitions. [2025-02-08 01:56:50,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 01:56:50,422 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 169 [2025-02-08 01:56:50,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:56:50,428 INFO L225 Difference]: With dead ends: 839 [2025-02-08 01:56:50,428 INFO L226 Difference]: Without dead ends: 454 [2025-02-08 01:56:50,430 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2025-02-08 01:56:50,431 INFO L435 NwaCegarLoop]: 556 mSDtfsCounter, 58 mSDsluCounter, 2658 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 3214 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2025-02-08 01:56:50,431 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 3214 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2025-02-08 01:56:50,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2025-02-08 01:56:50,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 452. [2025-02-08 01:56:50,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 259 states have (on average 1.2355212355212355) internal successors, (320), 265 states have internal predecessors, (320), 162 states have call successors, (162), 28 states have call predecessors, (162), 29 states have return successors, (188), 159 states have call predecessors, (188), 158 states have call successors, (188) [2025-02-08 01:56:50,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 670 transitions. [2025-02-08 01:56:50,475 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 670 transitions. Word has length 169 [2025-02-08 01:56:50,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:56:50,476 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 670 transitions. [2025-02-08 01:56:50,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2025-02-08 01:56:50,476 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 670 transitions. [2025-02-08 01:56:50,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2025-02-08 01:56:50,479 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:56:50,480 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:56:50,498 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 01:56:50,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:56:50,681 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:56:50,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:56:50,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1996830623, now seen corresponding path program 1 times [2025-02-08 01:56:50,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:56:50,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464828821] [2025-02-08 01:56:50,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:50,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:56:54,363 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-02-08 01:56:54,513 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-02-08 01:56:54,514 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:56:54,514 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:56:56,693 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2025-02-08 01:56:56,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:56:56,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464828821] [2025-02-08 01:56:56,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464828821] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:56:56,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323034520] [2025-02-08 01:56:56,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:56,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:56:56,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:56:56,697 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:56:56,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 01:57:01,356 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-02-08 01:57:01,887 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-02-08 01:57:01,887 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:01,887 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:01,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 4717 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 01:57:01,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:57:03,101 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-02-08 01:57:03,102 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:57:03,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323034520] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:57:03,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:57:03,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2025-02-08 01:57:03,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76673627] [2025-02-08 01:57:03,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:57:03,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 01:57:03,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:57:03,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 01:57:03,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2025-02-08 01:57:03,105 INFO L87 Difference]: Start difference. First operand 452 states and 670 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2025-02-08 01:57:05,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:57:05,661 INFO L93 Difference]: Finished difference Result 862 states and 1308 transitions. [2025-02-08 01:57:05,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 01:57:05,662 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 183 [2025-02-08 01:57:05,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:57:05,667 INFO L225 Difference]: With dead ends: 862 [2025-02-08 01:57:05,667 INFO L226 Difference]: Without dead ends: 458 [2025-02-08 01:57:05,670 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2025-02-08 01:57:05,671 INFO L435 NwaCegarLoop]: 573 mSDtfsCounter, 48 mSDsluCounter, 2172 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 2745 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2025-02-08 01:57:05,671 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 2745 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2025-02-08 01:57:05,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2025-02-08 01:57:05,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 452. [2025-02-08 01:57:05,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 259 states have (on average 1.2355212355212355) internal successors, (320), 265 states have internal predecessors, (320), 162 states have call successors, (162), 28 states have call predecessors, (162), 29 states have return successors, (188), 159 states have call predecessors, (188), 158 states have call successors, (188) [2025-02-08 01:57:05,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 670 transitions. [2025-02-08 01:57:05,698 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 670 transitions. Word has length 183 [2025-02-08 01:57:05,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:57:05,699 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 670 transitions. [2025-02-08 01:57:05,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2025-02-08 01:57:05,699 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 670 transitions. [2025-02-08 01:57:05,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2025-02-08 01:57:05,701 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:57:05,702 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:57:05,729 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 01:57:05,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:57:05,903 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:57:05,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:57:05,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1208694447, now seen corresponding path program 1 times [2025-02-08 01:57:05,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:57:05,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430358184] [2025-02-08 01:57:05,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:05,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:57:09,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 199 statements into 1 equivalence classes. [2025-02-08 01:57:09,771 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 199 of 199 statements. [2025-02-08 01:57:09,771 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:09,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:12,139 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 01:57:12,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:57:12,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430358184] [2025-02-08 01:57:12,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430358184] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:57:12,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618306472] [2025-02-08 01:57:12,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:12,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:57:12,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:57:12,142 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:57:12,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 01:57:16,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 199 statements into 1 equivalence classes. [2025-02-08 01:57:17,383 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 199 of 199 statements. [2025-02-08 01:57:17,384 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:17,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:17,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 4789 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 01:57:17,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:57:19,513 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2025-02-08 01:57:19,513 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:57:19,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618306472] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:57:19,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:57:19,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2025-02-08 01:57:19,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945258852] [2025-02-08 01:57:19,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:57:19,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 01:57:19,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:57:19,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 01:57:19,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2025-02-08 01:57:19,515 INFO L87 Difference]: Start difference. First operand 452 states and 670 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29)