./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 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_negated.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 7ca632cf4d0628a0bca8581d3487333a879c201a6e38711f70e5e296a0f6c548 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 03:04:11,309 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 03:04:11,357 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 03:04:11,361 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 03:04:11,361 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 03:04:11,375 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 03:04:11,376 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 03:04:11,376 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 03:04:11,377 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 03:04:11,377 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 03:04:11,377 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 03:04:11,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 03:04:11,378 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 03:04:11,378 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 03:04:11,378 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 03:04:11,378 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 03:04:11,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 03:04:11,378 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 03:04:11,378 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 03:04:11,378 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 03:04:11,378 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 03:04:11,379 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 03:04:11,379 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 03:04:11,379 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 03:04:11,379 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 03:04:11,379 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 03:04:11,379 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 03:04:11,379 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 03:04:11,379 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 03:04:11,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:04:11,379 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 03:04:11,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 03:04:11,379 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 03:04:11,379 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 03:04:11,379 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 03:04:11,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 03:04:11,379 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 03:04:11,379 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 03:04:11,379 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 03:04:11,379 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 03:04:11,379 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 -> 7ca632cf4d0628a0bca8581d3487333a879c201a6e38711f70e5e296a0f6c548 [2025-03-04 03:04:11,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 03:04:11,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 03:04:11,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 03:04:11,631 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 03:04:11,631 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 03:04:11,632 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i [2025-03-04 03:04:12,759 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca4e23bfa/0dfbd021d59f4591a76e54dbbfea1e90/FLAGb81ac1767 [2025-03-04 03:04:13,239 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 03:04:13,239 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i [2025-03-04 03:04:13,275 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca4e23bfa/0dfbd021d59f4591a76e54dbbfea1e90/FLAGb81ac1767 [2025-03-04 03:04:13,322 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca4e23bfa/0dfbd021d59f4591a76e54dbbfea1e90 [2025-03-04 03:04:13,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 03:04:13,326 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 03:04:13,328 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 03:04:13,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 03:04:13,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 03:04:13,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:04:13" (1/1) ... [2025-03-04 03:04:13,333 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ead2c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:13, skipping insertion in model container [2025-03-04 03:04:13,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:04:13" (1/1) ... [2025-03-04 03:04:13,398 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 03:04:13,640 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_negated.i[4499,4512] [2025-03-04 03:04:13,648 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_negated.i[4559,4572] [2025-03-04 03:04:14,334 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,335 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,335 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,336 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,336 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,350 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,351 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,353 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,353 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,354 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,355 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,356 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,356 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,684 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,688 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,737 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,737 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,738 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,738 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,738 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,739 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,739 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,740 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,740 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,740 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,740 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,740 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,741 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,744 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,744 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,744 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,745 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,749 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,750 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,755 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,755 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,755 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:04:14,808 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 03:04:14,820 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_negated.i[4499,4512] [2025-03-04 03:04:14,820 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_negated.i[4559,4572] [2025-03-04 03:04:14,855 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,856 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,856 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,856 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,856 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,862 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,863 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,863 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,865 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,866 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,866 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,866 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,866 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,930 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,933 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7738-7749] [2025-03-04 03:04:14,985 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,986 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,987 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,987 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,987 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,987 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,988 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,988 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,989 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,989 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,989 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,989 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,989 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,990 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,990 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,990 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,990 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:14,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:15,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:04:15,155 INFO L204 MainTranslator]: Completed translation [2025-03-04 03:04:15,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:15 WrapperNode [2025-03-04 03:04:15,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 03:04:15,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 03:04:15,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 03:04:15,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 03:04:15,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:15" (1/1) ... [2025-03-04 03:04:15,211 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:15" (1/1) ... [2025-03-04 03:04:15,270 INFO L138 Inliner]: procedures = 687, calls = 1963, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 791 [2025-03-04 03:04:15,271 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 03:04:15,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 03:04:15,271 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 03:04:15,271 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 03:04:15,280 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:15" (1/1) ... [2025-03-04 03:04:15,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:15" (1/1) ... [2025-03-04 03:04:15,285 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:15" (1/1) ... [2025-03-04 03:04:15,335 INFO L175 MemorySlicer]: Split 355 memory accesses to 8 slices as follows [81, 238, 2, 7, 5, 3, 14, 5]. 67 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [5, 6, 2, 0, 0, 1, 5, 0]. The 258 writes are split as follows [17, 232, 0, 2, 2, 1, 2, 2]. [2025-03-04 03:04:15,338 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:15" (1/1) ... [2025-03-04 03:04:15,338 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:15" (1/1) ... [2025-03-04 03:04:15,371 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:15" (1/1) ... [2025-03-04 03:04:15,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:15" (1/1) ... [2025-03-04 03:04:15,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:15" (1/1) ... [2025-03-04 03:04:15,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:15" (1/1) ... [2025-03-04 03:04:15,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 03:04:15,388 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 03:04:15,388 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 03:04:15,388 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 03:04:15,389 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:15" (1/1) ... [2025-03-04 03:04:15,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:04:15,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:04:15,416 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) [2025-03-04 03:04:15,420 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 [2025-03-04 03:04:15,439 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-03-04 03:04:15,439 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-03-04 03:04:15,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 03:04:15,439 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-03-04 03:04:15,439 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-03-04 03:04:15,440 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 03:04:15,440 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 03:04:15,440 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 03:04:15,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 03:04:15,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 03:04:15,440 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-04 03:04:15,440 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-04 03:04:15,440 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-04 03:04:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-04 03:04:15,441 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-04 03:04:15,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 03:04:15,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 03:04:15,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 03:04:15,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 03:04:15,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 03:04:15,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 03:04:15,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 03:04:15,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 03:04:15,441 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-04 03:04:15,441 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-04 03:04:15,441 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-03-04 03:04:15,441 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-03-04 03:04:15,441 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 03:04:15,441 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 03:04:15,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 03:04:15,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 03:04:15,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 03:04:15,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 03:04:15,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 03:04:15,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 03:04:15,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 03:04:15,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 03:04:15,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 03:04:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 03:04:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 03:04:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 03:04:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 03:04:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 03:04:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 03:04:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 03:04:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 03:04:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 03:04:15,445 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 03:04:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-04 03:04:15,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-04 03:04:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 03:04:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 03:04:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 03:04:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 03:04:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 03:04:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 03:04:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 03:04:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 03:04:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-03-04 03:04:15,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-03-04 03:04:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-03-04 03:04:15,445 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-03-04 03:04:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 03:04:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 03:04:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 03:04:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 03:04:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 03:04:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 03:04:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 03:04:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 03:04:15,699 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 03:04:15,701 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 03:04:15,736 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923: havoc #t~malloc583.base, #t~malloc583.offset; [2025-03-04 03:04:15,755 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-04 03:04:15,782 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-04 03:04:15,816 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6937: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-03-04 03:04:15,909 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8239: havoc aws_priority_queue_backpointers_valid_#t~ret876#1;havoc aws_priority_queue_backpointers_valid_#t~short877#1; [2025-03-04 03:04:15,970 INFO L1325 $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; [2025-03-04 03:04:15,973 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 03:04:15,991 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8153: havoc ~node~1.base, ~node~1.offset; [2025-03-04 03:04:21,229 INFO L? ?]: Removed 186 outVars from TransFormulas that were not future-live. [2025-03-04 03:04:21,230 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 03:04:21,240 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 03:04:21,243 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 03:04:21,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:04:21 BoogieIcfgContainer [2025-03-04 03:04:21,243 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 03:04:21,245 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 03:04:21,245 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 03:04:21,249 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 03:04:21,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:04:13" (1/3) ... [2025-03-04 03:04:21,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23839756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:04:21, skipping insertion in model container [2025-03-04 03:04:21,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:15" (2/3) ... [2025-03-04 03:04:21,250 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23839756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:04:21, skipping insertion in model container [2025-03-04 03:04:21,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:04:21" (3/3) ... [2025-03-04 03:04:21,251 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_swap_harness_negated.i [2025-03-04 03:04:21,262 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 03:04:21,263 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_s_swap_harness_negated.i that has 18 procedures, 217 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-04 03:04:21,310 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 03:04:21,320 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;@454c3485, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 03:04:21,321 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 03:04:21,327 INFO L276 IsEmpty]: Start isEmpty. Operand has 217 states, 139 states have (on average 1.2158273381294964) internal successors, (169), 140 states have internal predecessors, (169), 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) [2025-03-04 03:04:21,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-03-04 03:04:21,340 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:04:21,341 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, 1, 1, 1] [2025-03-04 03:04:21,341 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:04:21,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:04:21,347 INFO L85 PathProgramCache]: Analyzing trace with hash -2112822781, now seen corresponding path program 1 times [2025-03-04 03:04:21,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:04:21,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948195570] [2025-03-04 03:04:21,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:04:21,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:04:25,785 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-04 03:04:26,101 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-04 03:04:26,102 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:04:26,102 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:04:26,506 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2025-03-04 03:04:26,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:04:26,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948195570] [2025-03-04 03:04:26,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948195570] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:04:26,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481288694] [2025-03-04 03:04:26,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:04:26,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:04:26,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:04:26,510 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) [2025-03-04 03:04:26,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 03:04:30,968 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-04 03:04:31,411 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-04 03:04:31,411 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:04:31,411 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:04:31,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 4503 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 03:04:31,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:04:31,460 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-04 03:04:31,460 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:04:31,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481288694] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:04:31,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:04:31,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-04 03:04:31,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022463021] [2025-03-04 03:04:31,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:04:31,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 03:04:31,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:04:31,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 03:04:31,478 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 03:04:31,480 INFO L87 Difference]: Start difference. First operand has 217 states, 139 states have (on average 1.2158273381294964) internal successors, (169), 140 states have internal predecessors, (169), 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 25.0) internal successors, (50), 2 states have internal predecessors, (50), 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) [2025-03-04 03:04:31,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:04:31,506 INFO L93 Difference]: Finished difference Result 411 states and 574 transitions. [2025-03-04 03:04:31,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 03:04:31,508 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 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 142 [2025-03-04 03:04:31,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:04:31,513 INFO L225 Difference]: With dead ends: 411 [2025-03-04 03:04:31,513 INFO L226 Difference]: Without dead ends: 212 [2025-03-04 03:04:31,516 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 03:04:31,518 INFO L435 NwaCegarLoop]: 285 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, 285 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 [2025-03-04 03:04:31,518 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 03:04:31,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2025-03-04 03:04:31,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2025-03-04 03:04:31,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 135 states have (on average 1.2074074074074075) internal successors, (163), 136 states have internal predecessors, (163), 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) [2025-03-04 03:04:31,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 280 transitions. [2025-03-04 03:04:31,562 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 280 transitions. Word has length 142 [2025-03-04 03:04:31,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:04:31,565 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 280 transitions. [2025-03-04 03:04:31,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 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) [2025-03-04 03:04:31,566 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 280 transitions. [2025-03-04 03:04:31,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-03-04 03:04:31,572 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:04:31,572 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, 1, 1, 1] [2025-03-04 03:04:31,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-04 03:04:31,773 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 [2025-03-04 03:04:31,774 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:04:31,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:04:31,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1733099522, now seen corresponding path program 1 times [2025-03-04 03:04:31,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:04:31,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183592907] [2025-03-04 03:04:31,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:04:31,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:04:35,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-04 03:04:35,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-04 03:04:35,999 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:04:35,999 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:04:38,848 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2025-03-04 03:04:38,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:04:38,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183592907] [2025-03-04 03:04:38,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183592907] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:04:38,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [110508247] [2025-03-04 03:04:38,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:04:38,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:04:38,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:04:38,852 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) [2025-03-04 03:04:38,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 03:04:43,143 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-04 03:04:43,641 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-04 03:04:43,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:04:43,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:04:43,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 4503 conjuncts, 63 conjuncts are in the unsatisfiable core [2025-03-04 03:04:43,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:04:43,721 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 [2025-03-04 03:04:43,763 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 [2025-03-04 03:04:46,688 WARN L873 $PredicateComparison]: unable to prove that (exists ((v_ensure_array_list_has_allocated_data_member_~list.offset_8 Int)) (and (= (store |c_old(#memory_$Pointer$#0.offset)| |c_ensure_array_list_has_allocated_data_member_#in~list.base| (store (select |c_old(#memory_$Pointer$#0.offset)| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8 (select (select |c_#memory_$Pointer$#0.offset| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8))) |c_#memory_$Pointer$#0.offset|) (<= v_ensure_array_list_has_allocated_data_member_~list.offset_8 |c_ensure_array_list_has_allocated_data_member_#in~list.offset|) (= (store |c_old(#memory_$Pointer$#0.base)| |c_ensure_array_list_has_allocated_data_member_#in~list.base| (store (select |c_old(#memory_$Pointer$#0.base)| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8 (select (select |c_#memory_$Pointer$#0.base| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8))) |c_#memory_$Pointer$#0.base|))) is different from true [2025-03-04 03:04:46,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-04 03:04:46,804 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 [2025-03-04 03:04:46,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-04 03:04:46,864 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 [2025-03-04 03:04:48,589 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 114 proven. 16 refuted. 0 times theorem prover too weak. 79 trivial. 2 not checked. [2025-03-04 03:04:48,589 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 03:04:52,944 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2025-03-04 03:04:52,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [110508247] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 03:04:52,944 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 03:04:52,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 15, 8] total 21 [2025-03-04 03:04:52,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135746739] [2025-03-04 03:04:52,944 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 03:04:52,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-04 03:04:52,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:04:52,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-04 03:04:52,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=333, Unknown=1, NotChecked=36, Total=420 [2025-03-04 03:04:52,947 INFO L87 Difference]: Start difference. First operand 212 states and 280 transitions. Second operand has 21 states, 17 states have (on average 5.235294117647059) internal successors, (89), 17 states have internal predecessors, (89), 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) [2025-03-04 03:05:05,853 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] [2025-03-04 03:05:14,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 03:05:21,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]