./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 4257c596bef04d5fe8bf259adf6446404c081810303dcc774a436ca59648249a --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:22:39,263 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:22:39,325 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:22:39,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:22:39,330 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:22:39,349 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:22:39,350 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:22:39,350 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:22:39,351 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:22:39,352 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:22:39,352 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:22:39,353 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:22:39,353 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:22:39,353 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:22:39,353 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:22:39,354 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:22:39,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:22:39,354 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:22:39,354 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:22:39,354 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:22:39,354 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:22:39,354 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:22:39,354 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:22:39,354 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:22:39,354 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:22:39,355 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:22:39,355 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:22:39,355 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:22:39,355 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:22:39,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:22:39,355 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:22:39,355 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:22:39,356 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:22:39,356 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:22:39,356 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:22:39,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:22:39,356 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:22:39,356 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:22:39,356 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:22:39,356 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:22:39,356 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/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 -> 4257c596bef04d5fe8bf259adf6446404c081810303dcc774a436ca59648249a [2025-03-17 07:22:39,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:22:39,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:22:39,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:22:39,621 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:22:39,621 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:22:39,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i [2025-03-17 07:22:40,795 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/194d48f2f/5fbe584c7a704df09e3ccc0f2907db01/FLAG2b903fcee [2025-03-17 07:22:41,317 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:22:41,318 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i [2025-03-17 07:22:41,356 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/194d48f2f/5fbe584c7a704df09e3ccc0f2907db01/FLAG2b903fcee [2025-03-17 07:22:41,865 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/194d48f2f/5fbe584c7a704df09e3ccc0f2907db01 [2025-03-17 07:22:41,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:22:41,868 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:22:41,869 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:22:41,869 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:22:41,872 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:22:41,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:22:41" (1/1) ... [2025-03-17 07:22:41,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@296f1e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:41, skipping insertion in model container [2025-03-17 07:22:41,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:22:41" (1/1) ... [2025-03-17 07:22:41,933 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:22:42,149 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4499,4512] [2025-03-17 07:22:42,156 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4559,4572] [2025-03-17 07:22:42,644 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:42,645 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:42,645 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:42,645 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:42,646 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:42,656 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:42,657 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:42,659 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:42,659 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:42,660 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:42,661 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:42,662 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:42,662 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,013 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,018 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,076 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,077 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,077 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,077 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,078 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,079 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,079 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,079 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,080 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,080 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,080 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,080 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,080 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,084 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,085 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,085 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,086 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,090 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,091 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,096 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,097 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,097 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:22:43,148 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:22:43,158 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4499,4512] [2025-03-17 07:22:43,160 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4559,4572] [2025-03-17 07:22:43,216 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,217 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,217 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,218 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,218 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,222 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,222 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,223 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,223 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,224 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,224 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,224 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,224 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,297 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,302 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7770-7781] [2025-03-17 07:22:43,323 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,324 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,324 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,324 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,324 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,325 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,325 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,326 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,326 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,326 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,326 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,326 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,327 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,328 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,328 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,328 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,328 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,329 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,330 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,333 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,335 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,335 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:43,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:22:43,515 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:22:43,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:43 WrapperNode [2025-03-17 07:22:43,517 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:22:43,518 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:22:43,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:22:43,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:22:43,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:43" (1/1) ... [2025-03-17 07:22:43,582 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:43" (1/1) ... [2025-03-17 07:22:43,637 INFO L138 Inliner]: procedures = 687, calls = 1963, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 791 [2025-03-17 07:22:43,638 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:22:43,638 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:22:43,638 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:22:43,638 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:22:43,645 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:43" (1/1) ... [2025-03-17 07:22:43,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:43" (1/1) ... [2025-03-17 07:22:43,654 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:43" (1/1) ... [2025-03-17 07:22:43,727 INFO L175 MemorySlicer]: Split 355 memory accesses to 8 slices as follows [238, 5, 2, 3, 81, 7, 5, 14]. 67 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [6, 0, 2, 1, 5, 0, 0, 5]. The 258 writes are split as follows [232, 2, 0, 1, 17, 2, 2, 2]. [2025-03-17 07:22:43,728 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:43" (1/1) ... [2025-03-17 07:22:43,728 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:43" (1/1) ... [2025-03-17 07:22:43,759 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:43" (1/1) ... [2025-03-17 07:22:43,766 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:43" (1/1) ... [2025-03-17 07:22:43,776 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:43" (1/1) ... [2025-03-17 07:22:43,783 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:43" (1/1) ... [2025-03-17 07:22:43,792 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:22:43,795 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:22:43,795 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:22:43,796 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:22:43,796 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:43" (1/1) ... [2025-03-17 07:22:43,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:22:43,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:22:43,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 07:22:43,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 07:22:43,853 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-03-17 07:22:43,854 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-03-17 07:22:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:22:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-03-17 07:22:43,854 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-03-17 07:22:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-03-17 07:22:43,854 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-03-17 07:22:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:22:43,854 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:22:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:22:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:22:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:22:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:22:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:22:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:22:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 07:22:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 07:22:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:22:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:22:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:22:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:22:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:22:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:22:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 07:22:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 07:22:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 07:22:43,855 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 07:22:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:22:43,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:22:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:22:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:22:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:22:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:22:43,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:22:43,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:22:43,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:22:43,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:22:43,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 07:22:43,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 07:22:43,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:22:43,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:22:43,856 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:22:43,856 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:22:43,856 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-17 07:22:43,856 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-17 07:22:43,856 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-17 07:22:43,856 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-17 07:22:43,857 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-17 07:22:43,857 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-17 07:22:43,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:22:43,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:22:43,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:22:43,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:22:43,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:22:43,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:22:43,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 07:22:43,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 07:22:43,857 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-17 07:22:43,857 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-17 07:22:43,858 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-03-17 07:22:43,858 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-03-17 07:22:43,858 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:22:43,858 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:22:43,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:22:43,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:22:43,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:22:43,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:22:43,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:22:43,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:22:43,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:22:43,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 07:22:43,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 07:22:43,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:22:43,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:22:43,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:22:43,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:22:43,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:22:43,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:22:43,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 07:22:43,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 07:22:43,861 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:22:43,861 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:22:43,861 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-17 07:22:43,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-17 07:22:43,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:22:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:22:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:22:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:22:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:22:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:22:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 07:22:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 07:22:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-03-17 07:22:43,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-03-17 07:22:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-03-17 07:22:43,862 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-03-17 07:22:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:22:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:22:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:22:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:22:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:22:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:22:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 07:22:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 07:22:44,142 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:22:44,145 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:22:44,195 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc583.base, #t~malloc583.offset; [2025-03-17 07:22:44,220 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-17 07:22:44,253 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-17 07:22:44,283 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-03-17 07:22:44,360 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8271: havoc aws_priority_queue_backpointers_valid_#t~ret876#1;havoc aws_priority_queue_backpointers_valid_#t~short877#1; [2025-03-17 07:22:44,427 INFO L1322 $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; [2025-03-17 07:22:44,429 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:22:44,461 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8185: havoc ~node~1.base, ~node~1.offset; [2025-03-17 07:22:49,655 INFO L? ?]: Removed 180 outVars from TransFormulas that were not future-live. [2025-03-17 07:22:49,655 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:22:49,663 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:22:49,664 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:22:49,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:22:49 BoogieIcfgContainer [2025-03-17 07:22:49,664 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:22:49,666 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:22:49,666 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:22:49,669 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:22:49,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:22:41" (1/3) ... [2025-03-17 07:22:49,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ce434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:22:49, skipping insertion in model container [2025-03-17 07:22:49,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:43" (2/3) ... [2025-03-17 07:22:49,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ce434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:22:49, skipping insertion in model container [2025-03-17 07:22:49,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:22:49" (3/3) ... [2025-03-17 07:22:49,672 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_swap_harness.i [2025-03-17 07:22:49,686 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:22:49,688 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_s_swap_harness.i that has 18 procedures, 211 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 07:22:49,738 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:22:49,747 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;@71d9cfa3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:22:49,748 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:22:49,753 INFO L276 IsEmpty]: Start isEmpty. Operand has 211 states, 133 states have (on average 1.2255639097744362) internal successors, (163), 134 states have internal predecessors, (163), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2025-03-17 07:22:49,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-03-17 07:22:49,763 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:22:49,764 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 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] [2025-03-17 07:22:49,764 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:22:49,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:22:49,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1033926873, now seen corresponding path program 1 times [2025-03-17 07:22:49,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:22:49,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326377770] [2025-03-17 07:22:49,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:22:49,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:22:54,091 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-17 07:22:54,471 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-17 07:22:54,472 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:22:54,472 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:22:54,970 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2025-03-17 07:22:54,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:22:54,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326377770] [2025-03-17 07:22:54,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326377770] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:22:54,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895438359] [2025-03-17 07:22:54,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:22:54,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:22:54,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:22:54,976 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:22:54,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 07:22:59,337 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-17 07:22:59,795 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-17 07:22:59,795 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:22:59,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:22:59,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 4500 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 07:22:59,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:22:59,842 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-17 07:22:59,842 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:22:59,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895438359] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:22:59,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:22:59,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 07:22:59,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122649855] [2025-03-17 07:22:59,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:22:59,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 07:22:59,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:22:59,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 07:22:59,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 07:22:59,868 INFO L87 Difference]: Start difference. First operand has 211 states, 133 states have (on average 1.2255639097744362) internal successors, (163), 134 states have internal predecessors, (163), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-17 07:22:59,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:22:59,903 INFO L93 Difference]: Finished difference Result 401 states and 564 transitions. [2025-03-17 07:22:59,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 07:22:59,905 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 139 [2025-03-17 07:22:59,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:22:59,910 INFO L225 Difference]: With dead ends: 401 [2025-03-17 07:22:59,910 INFO L226 Difference]: Without dead ends: 208 [2025-03-17 07:22:59,914 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 07:22:59,915 INFO L435 NwaCegarLoop]: 279 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, 279 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 [2025-03-17 07:22:59,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 07:22:59,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2025-03-17 07:22:59,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2025-03-17 07:22:59,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 131 states have (on average 1.213740458015267) internal successors, (159), 132 states have internal predecessors, (159), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-03-17 07:22:59,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 276 transitions. [2025-03-17 07:22:59,967 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 276 transitions. Word has length 139 [2025-03-17 07:22:59,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:22:59,968 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 276 transitions. [2025-03-17 07:22:59,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-17 07:22:59,968 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 276 transitions. [2025-03-17 07:22:59,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-03-17 07:22:59,970 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:22:59,971 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 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] [2025-03-17 07:22:59,987 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 07:23:00,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-17 07:23:00,172 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:23:00,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:23:00,172 INFO L85 PathProgramCache]: Analyzing trace with hash -403596988, now seen corresponding path program 1 times [2025-03-17 07:23:00,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:23:00,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168352968] [2025-03-17 07:23:00,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:23:00,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:23:04,083 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-17 07:23:04,440 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-17 07:23:04,440 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:23:04,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:23:07,022 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2025-03-17 07:23:07,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:23:07,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168352968] [2025-03-17 07:23:07,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168352968] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:23:07,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898663578] [2025-03-17 07:23:07,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:23:07,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:23:07,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:23:07,027 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:23:07,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 07:23:11,665 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-17 07:23:12,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-17 07:23:12,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:23:12,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:23:12,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 4500 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-03-17 07:23:12,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:23:12,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2025-03-17 07:23:12,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2025-03-17 07:23:15,771 WARN L873 $PredicateComparison]: unable to prove that (exists ((v_ensure_array_list_has_allocated_data_member_~list.offset_8 Int)) (and (= |c_#memory_$Pointer$#4.base| (store |c_old(#memory_$Pointer$#4.base)| |c_ensure_array_list_has_allocated_data_member_#in~list.base| (store (select |c_old(#memory_$Pointer$#4.base)| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8 (select (select |c_#memory_$Pointer$#4.base| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8)))) (<= v_ensure_array_list_has_allocated_data_member_~list.offset_8 |c_ensure_array_list_has_allocated_data_member_#in~list.offset|) (= (store |c_old(#memory_$Pointer$#4.offset)| |c_ensure_array_list_has_allocated_data_member_#in~list.base| (store (select |c_old(#memory_$Pointer$#4.offset)| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8 (select (select |c_#memory_$Pointer$#4.offset| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8))) |c_#memory_$Pointer$#4.offset|))) is different from true [2025-03-17 07:23:15,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-17 07:23:15,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2025-03-17 07:23:15,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-17 07:23:15,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2025-03-17 07:23:17,742 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 114 proven. 16 refuted. 0 times theorem prover too weak. 79 trivial. 2 not checked. [2025-03-17 07:23:17,745 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 07:23:22,214 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2025-03-17 07:23:22,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898663578] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 07:23:22,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 07:23:22,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 15, 8] total 21 [2025-03-17 07:23:22,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442888235] [2025-03-17 07:23:22,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 07:23:22,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-17 07:23:22,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:23:22,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-17 07:23:22,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=333, Unknown=1, NotChecked=36, Total=420 [2025-03-17 07:23:22,217 INFO L87 Difference]: Start difference. First operand 208 states and 276 transitions. Second operand has 21 states, 17 states have (on average 5.0) internal successors, (85), 17 states have internal predecessors, (85), 9 states have call successors, (41), 5 states have call predecessors, (41), 9 states have return successors, (41), 8 states have call predecessors, (41), 9 states have call successors, (41) [2025-03-17 07:23:26,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 07:23:30,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 07:23:35,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 07:23:39,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-17 07:23:44,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 07:23:48,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 07:23:53,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 07:24:11,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]