./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 e2fb8bed 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-?-e2fb8be-m [2025-03-08 18:15:28,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 18:15:28,788 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 18:15:28,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 18:15:28,798 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 18:15:28,817 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 18:15:28,819 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 18:15:28,819 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 18:15:28,819 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 18:15:28,819 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 18:15:28,820 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 18:15:28,820 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 18:15:28,821 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 18:15:28,821 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 18:15:28,821 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 18:15:28,821 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 18:15:28,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 18:15:28,821 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 18:15:28,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 18:15:28,822 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 18:15:28,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 18:15:28,822 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 18:15:28,822 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 18:15:28,822 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 18:15:28,822 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 18:15:28,822 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 18:15:28,822 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 18:15:28,822 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 18:15:28,822 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 18:15:28,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:15:28,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 18:15:28,823 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 18:15:28,823 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 18:15:28,823 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 18:15:28,823 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 18:15:28,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 18:15:28,823 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 18:15:28,823 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 18:15:28,823 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 18:15:28,823 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 18:15:28,823 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 [2025-03-08 18:15:29,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 18:15:29,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 18:15:29,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 18:15:29,057 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 18:15:29,058 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 18:15:29,059 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i [2025-03-08 18:15:30,204 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f68eb443/58d6b36f56c24659ba872a37ca821e1f/FLAG3800cea45 [2025-03-08 18:15:30,677 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 18:15:30,679 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i [2025-03-08 18:15:30,707 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f68eb443/58d6b36f56c24659ba872a37ca821e1f/FLAG3800cea45 [2025-03-08 18:15:30,772 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f68eb443/58d6b36f56c24659ba872a37ca821e1f [2025-03-08 18:15:30,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 18:15:30,775 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 18:15:30,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 18:15:30,776 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 18:15:30,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 18:15:30,779 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:15:30" (1/1) ... [2025-03-08 18:15:30,779 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@363e60dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:30, skipping insertion in model container [2025-03-08 18:15:30,779 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:15:30" (1/1) ... [2025-03-08 18:15:30,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 18:15:31,005 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] [2025-03-08 18:15:31,010 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] [2025-03-08 18:15:31,438 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,438 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,438 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,439 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,440 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,452 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,453 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,454 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,454 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,455 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,456 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,456 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,456 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,755 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,762 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,818 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,819 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,819 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,819 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,819 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,821 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,821 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,821 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,821 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,822 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,822 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,822 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,822 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,825 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,826 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,826 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,826 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,829 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,829 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,838 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,841 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,842 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:15:31,884 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 18:15:31,899 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] [2025-03-08 18:15:31,899 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] [2025-03-08 18:15:31,963 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,963 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,963 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,965 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,965 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,970 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,970 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,971 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,971 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,972 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,973 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,973 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:31,973 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:32,019 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:32,022 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:32,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7770-7781] [2025-03-08 18:15:32,035 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:32,036 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:32,036 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:32,036 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:32,036 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:32,036 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:32,036 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:32,037 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:32,037 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:32,037 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:32,037 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:32,037 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:32,037 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:32,038 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:32,038 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:32,038 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:32,038 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:32,039 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:32,040 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:32,042 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:32,043 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:32,043 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:32,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:15:32,188 INFO L204 MainTranslator]: Completed translation [2025-03-08 18:15:32,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:32 WrapperNode [2025-03-08 18:15:32,189 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 18:15:32,190 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 18:15:32,190 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 18:15:32,190 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 18:15:32,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:32" (1/1) ... [2025-03-08 18:15:32,235 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:32" (1/1) ... [2025-03-08 18:15:32,283 INFO L138 Inliner]: procedures = 687, calls = 1963, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 791 [2025-03-08 18:15:32,286 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 18:15:32,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 18:15:32,288 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 18:15:32,288 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 18:15:32,295 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:32" (1/1) ... [2025-03-08 18:15:32,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:32" (1/1) ... [2025-03-08 18:15:32,303 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:32" (1/1) ... [2025-03-08 18:15:32,362 INFO L175 MemorySlicer]: Split 355 memory accesses to 8 slices as follows [238, 2, 5, 3, 81, 7, 5, 14]. 67 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [6, 2, 0, 1, 5, 0, 0, 5]. The 258 writes are split as follows [232, 0, 2, 1, 17, 2, 2, 2]. [2025-03-08 18:15:32,367 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:32" (1/1) ... [2025-03-08 18:15:32,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:32" (1/1) ... [2025-03-08 18:15:32,424 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:32" (1/1) ... [2025-03-08 18:15:32,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:32" (1/1) ... [2025-03-08 18:15:32,436 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:32" (1/1) ... [2025-03-08 18:15:32,446 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:32" (1/1) ... [2025-03-08 18:15:32,459 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 18:15:32,462 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 18:15:32,462 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 18:15:32,462 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 18:15:32,464 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:32" (1/1) ... [2025-03-08 18:15:32,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:15:32,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:15:32,494 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) [2025-03-08 18:15:32,497 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 [2025-03-08 18:15:32,515 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-03-08 18:15:32,516 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-03-08 18:15:32,516 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-03-08 18:15:32,516 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 18:15:32,516 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 18:15:32,516 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 18:15:32,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 18:15:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 18:15:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 18:15:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 18:15:32,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 18:15:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 18:15:32,517 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 18:15:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-08 18:15:32,517 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-08 18:15:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-08 18:15:32,517 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-08 18:15:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-08 18:15:32,517 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-08 18:15:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 18:15:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 18:15:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 18:15:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 18:15:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 18:15:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 18:15:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 18:15:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 18:15:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-08 18:15:32,517 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-08 18:15:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-03-08 18:15:32,517 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-03-08 18:15:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 18:15:32,517 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 18:15:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 18:15:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 18:15:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 18:15:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 18:15:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 18:15:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 18:15:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 18:15:32,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 18:15:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 18:15:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 18:15:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 18:15:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 18:15:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 18:15:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 18:15:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 18:15:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 18:15:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 18:15:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 18:15:32,519 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 18:15:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-08 18:15:32,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-08 18:15:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 18:15:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 18:15:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 18:15:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 18:15:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 18:15:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 18:15:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 18:15:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 18:15:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-03-08 18:15:32,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-03-08 18:15:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-03-08 18:15:32,519 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-03-08 18:15:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 18:15:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 18:15:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 18:15:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 18:15:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 18:15:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 18:15:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 18:15:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 18:15:32,803 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 18:15:32,805 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 18:15:32,839 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc583.base, #t~malloc583.offset; [2025-03-08 18:15:32,868 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-08 18:15:32,895 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-08 18:15:32,938 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-03-08 18:15:33,007 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8271: havoc aws_priority_queue_backpointers_valid_#t~ret876#1;havoc aws_priority_queue_backpointers_valid_#t~short877#1; [2025-03-08 18:15:33,081 INFO L1307 $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; [2025-03-08 18:15:33,085 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 18:15:33,113 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8185: havoc ~node~1.base, ~node~1.offset; [2025-03-08 18:15:38,359 INFO L? ?]: Removed 186 outVars from TransFormulas that were not future-live. [2025-03-08 18:15:38,360 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 18:15:38,369 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 18:15:38,369 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 18:15:38,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:15:38 BoogieIcfgContainer [2025-03-08 18:15:38,371 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 18:15:38,373 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 18:15:38,373 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 18:15:38,377 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 18:15:38,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:15:30" (1/3) ... [2025-03-08 18:15:38,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e563b1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:15:38, skipping insertion in model container [2025-03-08 18:15:38,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:32" (2/3) ... [2025-03-08 18:15:38,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e563b1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:15:38, skipping insertion in model container [2025-03-08 18:15:38,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:15:38" (3/3) ... [2025-03-08 18:15:38,378 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_swap_harness.i [2025-03-08 18:15:38,388 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 18:15:38,389 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_s_swap_harness.i that has 18 procedures, 217 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 18:15:38,432 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 18:15:38,441 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;@116168f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 18:15:38,441 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 18:15:38,446 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) [2025-03-08 18:15:38,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-03-08 18:15:38,456 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:15:38,457 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] [2025-03-08 18:15:38,457 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:15:38,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:15:38,461 INFO L85 PathProgramCache]: Analyzing trace with hash -2112822781, now seen corresponding path program 1 times [2025-03-08 18:15:38,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:15:38,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222525283] [2025-03-08 18:15:38,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:15:38,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:15:43,029 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-08 18:15:43,381 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-08 18:15:43,382 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:15:43,382 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:15:43,840 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2025-03-08 18:15:43,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:15:43,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222525283] [2025-03-08 18:15:43,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222525283] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:15:43,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870507334] [2025-03-08 18:15:43,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:15:43,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:15:43,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:15:43,844 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) [2025-03-08 18:15:43,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 18:15:47,979 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-08 18:15:48,440 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-08 18:15:48,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:15:48,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:15:48,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 4503 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 18:15:48,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:15:48,485 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-08 18:15:48,485 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:15:48,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870507334] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:15:48,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:15:48,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 18:15:48,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695205939] [2025-03-08 18:15:48,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:15:48,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 18:15:48,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:15:48,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 18:15:48,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 18:15:48,506 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) [2025-03-08 18:15:48,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:15:48,541 INFO L93 Difference]: Finished difference Result 411 states and 574 transitions. [2025-03-08 18:15:48,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 18:15:48,544 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 [2025-03-08 18:15:48,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:15:48,550 INFO L225 Difference]: With dead ends: 411 [2025-03-08 18:15:48,550 INFO L226 Difference]: Without dead ends: 212 [2025-03-08 18:15:48,553 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 [2025-03-08 18:15:48,554 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 [2025-03-08 18:15:48,555 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] [2025-03-08 18:15:48,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2025-03-08 18:15:48,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2025-03-08 18:15:48,592 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) [2025-03-08 18:15:48,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 280 transitions. [2025-03-08 18:15:48,601 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 280 transitions. Word has length 142 [2025-03-08 18:15:48,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:15:48,603 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 280 transitions. [2025-03-08 18:15:48,604 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) [2025-03-08 18:15:48,604 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 280 transitions. [2025-03-08 18:15:48,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-03-08 18:15:48,607 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:15:48,607 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] [2025-03-08 18:15:48,624 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 18:15:48,808 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 [2025-03-08 18:15:48,808 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:15:48,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:15:48,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1733099522, now seen corresponding path program 1 times [2025-03-08 18:15:48,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:15:48,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654994185] [2025-03-08 18:15:48,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:15:48,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:15:52,782 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-08 18:15:54,363 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-08 18:15:54,363 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:15:54,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:15:57,289 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2025-03-08 18:15:57,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:15:57,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654994185] [2025-03-08 18:15:57,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654994185] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:15:57,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229310405] [2025-03-08 18:15:57,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:15:57,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:15:57,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:15:57,293 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) [2025-03-08 18:15:57,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 18:16:01,667 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-08 18:16:02,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-08 18:16:02,212 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:16:02,212 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:16:02,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 4503 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-03-08 18:16:02,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:16:02,298 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 [2025-03-08 18:16:02,340 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 [2025-03-08 18:16:05,381 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 [2025-03-08 18:16:05,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-08 18:16:05,495 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 [2025-03-08 18:16:05,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-08 18:16:05,555 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 [2025-03-08 18:16:07,427 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 114 proven. 16 refuted. 0 times theorem prover too weak. 79 trivial. 2 not checked. [2025-03-08 18:16:07,428 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 18:16:11,422 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2025-03-08 18:16:11,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229310405] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 18:16:11,422 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-08 18:16:11,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 15, 8] total 21 [2025-03-08 18:16:11,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911036487] [2025-03-08 18:16:11,422 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-08 18:16:11,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-08 18:16:11,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:16:11,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-08 18:16:11,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=333, Unknown=1, NotChecked=36, Total=420 [2025-03-08 18:16:11,427 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) [2025-03-08 18:16:23,823 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 [0] [2025-03-08 18:16:32,337 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]