./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 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7ca632cf4d0628a0bca8581d3487333a879c201a6e38711f70e5e296a0f6c548 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:57:51,970 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:57:52,016 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:57:52,021 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:57:52,022 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:57:52,045 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:57:52,047 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:57:52,047 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:57:52,048 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:57:52,048 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:57:52,049 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:57:52,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:57:52,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:57:52,049 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:57:52,049 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:57:52,050 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:57:52,050 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:57:52,050 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:57:52,050 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:57:52,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:57:52,050 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:57:52,051 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:57:52,051 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:57:52,051 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:57:52,051 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:57:52,051 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:57:52,051 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:57:52,051 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:57:52,051 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:57:52,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:57:52,051 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:57:52,051 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:57:52,052 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:57:52,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:57:52,052 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:57:52,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:57:52,052 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:57:52,052 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:57:52,052 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:57:52,053 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:57:52,053 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ca632cf4d0628a0bca8581d3487333a879c201a6e38711f70e5e296a0f6c548 [2025-02-08 01:57:52,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:57:52,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:57:52,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:57:52,367 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:57:52,367 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:57:52,368 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i [2025-02-08 01:57:53,652 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8169ffbb9/dd874378ff6e4426ada008b777173c06/FLAGf36b1d590 [2025-02-08 01:57:54,159 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:57:54,159 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i [2025-02-08 01:57:54,201 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8169ffbb9/dd874378ff6e4426ada008b777173c06/FLAGf36b1d590 [2025-02-08 01:57:54,217 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8169ffbb9/dd874378ff6e4426ada008b777173c06 [2025-02-08 01:57:54,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:57:54,220 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:57:54,221 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:57:54,222 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:57:54,227 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:57:54,228 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:57:54" (1/1) ... [2025-02-08 01:57:54,229 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74fcefc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:54, skipping insertion in model container [2025-02-08 01:57:54,230 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:57:54" (1/1) ... [2025-02-08 01:57:54,303 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:57:54,479 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i[4499,4512] [2025-02-08 01:57:54,485 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i[4559,4572] [2025-02-08 01:57:54,897 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,902 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,902 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,903 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,904 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,915 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,916 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,918 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,919 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,922 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,923 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,925 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,925 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,290 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,294 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,356 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,357 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,357 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,357 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,357 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,358 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,358 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,358 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,359 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,359 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,359 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,359 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,359 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,362 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,362 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,362 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,363 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,365 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,365 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,369 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,369 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,369 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:57:55,404 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:57:55,413 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i[4499,4512] [2025-02-08 01:57:55,414 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i[4559,4572] [2025-02-08 01:57:55,513 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,513 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,513 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,513 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,514 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,520 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,521 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,521 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,522 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,522 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,522 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,524 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,524 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,597 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,600 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7738-7749] [2025-02-08 01:57:55,625 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,626 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,626 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,626 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,626 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,627 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,628 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,628 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,629 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,629 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,629 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,629 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,629 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,630 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,630 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,630 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,630 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,631 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,632 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,635 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,636 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,636 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:55,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:57:55,824 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:57:55,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:55 WrapperNode [2025-02-08 01:57:55,826 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:57:55,827 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:57:55,827 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:57:55,827 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:57:55,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:55" (1/1) ... [2025-02-08 01:57:55,887 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:55" (1/1) ... [2025-02-08 01:57:55,940 INFO L138 Inliner]: procedures = 687, calls = 1963, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 791 [2025-02-08 01:57:55,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:57:55,941 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:57:55,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:57:55,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:57:55,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:55" (1/1) ... [2025-02-08 01:57:55,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:55" (1/1) ... [2025-02-08 01:57:55,952 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:55" (1/1) ... [2025-02-08 01:57:56,017 INFO L175 MemorySlicer]: Split 355 memory accesses to 8 slices as follows [2, 238, 3, 5, 7, 5, 81, 14]. 67 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 6, 1, 0, 0, 0, 5, 5]. The 258 writes are split as follows [0, 232, 1, 2, 2, 2, 17, 2]. [2025-02-08 01:57:56,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:55" (1/1) ... [2025-02-08 01:57:56,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:55" (1/1) ... [2025-02-08 01:57:56,036 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:55" (1/1) ... [2025-02-08 01:57:56,038 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:55" (1/1) ... [2025-02-08 01:57:56,042 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:55" (1/1) ... [2025-02-08 01:57:56,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:55" (1/1) ... [2025-02-08 01:57:56,052 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:57:56,053 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:57:56,053 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:57:56,053 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:57:56,054 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:55" (1/1) ... [2025-02-08 01:57:56,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:57:56,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:57:56,085 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 01:57:56,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 01:57:56,110 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-02-08 01:57:56,110 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-02-08 01:57:56,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:57:56,110 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-02-08 01:57:56,110 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-02-08 01:57:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-02-08 01:57:56,111 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-02-08 01:57:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:57:56,111 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:57:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:57:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:57:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:57:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:57:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:57:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:57:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 01:57:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-08 01:57:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:57:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:57:56,112 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:57:56,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:57:56,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:57:56,112 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-08 01:57:56,112 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-08 01:57:56,112 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-08 01:57:56,112 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-08 01:57:56,112 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-02-08 01:57:56,112 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:57:56,112 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:57:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:57:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:57:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:57:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:57:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 01:57:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-08 01:57:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:57:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:57:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:57:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:57:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:57:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:57:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 01:57:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-08 01:57:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:57:56,113 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:57:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-08 01:57:56,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-08 01:57:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:57:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:57:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:57:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:57:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:57:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:57:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 01:57:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-08 01:57:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-02-08 01:57:56,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-02-08 01:57:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-02-08 01:57:56,115 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-02-08 01:57:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:57:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:57:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:57:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:57:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:57:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:57:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 01:57:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-08 01:57:56,418 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:57:56,420 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:57:56,474 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923: havoc #t~malloc583.base, #t~malloc583.offset; [2025-02-08 01:57:56,497 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-08 01:57:56,523 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-08 01:57:56,543 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6937: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-02-08 01:57:56,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8239: havoc aws_priority_queue_backpointers_valid_#t~ret876#1;havoc aws_priority_queue_backpointers_valid_#t~short877#1; [2025-02-08 01:57:56,679 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2944: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2025-02-08 01:57:56,683 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:57:56,718 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8153: havoc ~node~1.base, ~node~1.offset; [2025-02-08 01:58:01,972 INFO L? ?]: Removed 177 outVars from TransFormulas that were not future-live. [2025-02-08 01:58:01,972 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:58:01,981 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:58:01,981 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:58:01,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:58:01 BoogieIcfgContainer [2025-02-08 01:58:01,981 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:58:01,983 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:58:01,983 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:58:01,986 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:58:01,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:57:54" (1/3) ... [2025-02-08 01:58:01,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8b69cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:58:01, skipping insertion in model container [2025-02-08 01:58:01,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:55" (2/3) ... [2025-02-08 01:58:01,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8b69cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:58:01, skipping insertion in model container [2025-02-08 01:58:01,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:58:01" (3/3) ... [2025-02-08 01:58:01,988 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_swap_harness_negated.i [2025-02-08 01:58:01,998 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:58:01,999 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_s_swap_harness_negated.i that has 18 procedures, 212 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-08 01:58:02,055 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:58:02,067 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;@f1673b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:58:02,067 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:58:02,073 INFO L276 IsEmpty]: Start isEmpty. Operand has 212 states, 132 states have (on average 1.2272727272727273) internal successors, (162), 135 states have internal predecessors, (162), 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) [2025-02-08 01:58:02,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-02-08 01:58:02,086 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:58:02,087 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:58:02,087 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:58:02,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:58:02,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1075574821, now seen corresponding path program 1 times [2025-02-08 01:58:02,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:58:02,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618957210] [2025-02-08 01:58:02,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:58:02,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:58:06,694 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-02-08 01:58:07,085 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-02-08 01:58:07,086 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:58:07,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:58:07,661 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2025-02-08 01:58:07,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:58:07,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618957210] [2025-02-08 01:58:07,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618957210] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:58:07,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919334520] [2025-02-08 01:58:07,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:58:07,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:58:07,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:58:07,670 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:58:07,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 01:58:11,738 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-02-08 01:58:12,166 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-02-08 01:58:12,166 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:58:12,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:58:12,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 4500 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 01:58:12,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:58:12,240 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-02-08 01:58:12,240 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:58:12,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919334520] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:58:12,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:58:12,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 01:58:12,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945768374] [2025-02-08 01:58:12,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:58:12,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 01:58:12,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:58:12,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 01:58:12,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:58:12,280 INFO L87 Difference]: Start difference. First operand has 212 states, 132 states have (on average 1.2272727272727273) internal successors, (162), 135 states have internal predecessors, (162), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-02-08 01:58:12,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:58:12,324 INFO L93 Difference]: Finished difference Result 403 states and 562 transitions. [2025-02-08 01:58:12,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 01:58:12,325 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 139 [2025-02-08 01:58:12,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:58:12,332 INFO L225 Difference]: With dead ends: 403 [2025-02-08 01:58:12,333 INFO L226 Difference]: Without dead ends: 202 [2025-02-08 01:58:12,339 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:58:12,341 INFO L435 NwaCegarLoop]: 278 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, 278 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 01:58:12,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 01:58:12,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2025-02-08 01:58:12,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2025-02-08 01:58:12,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 127 states have (on average 1.204724409448819) internal successors, (153), 128 states have internal predecessors, (153), 58 states have call successors, (58), 16 states have call predecessors, (58), 16 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2025-02-08 01:58:12,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 268 transitions. [2025-02-08 01:58:12,391 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 268 transitions. Word has length 139 [2025-02-08 01:58:12,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:58:12,393 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 268 transitions. [2025-02-08 01:58:12,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-02-08 01:58:12,394 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 268 transitions. [2025-02-08 01:58:12,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-02-08 01:58:12,399 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:58:12,399 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:58:12,414 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 01:58:12,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-08 01:58:12,603 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:58:12,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:58:12,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1705904706, now seen corresponding path program 1 times [2025-02-08 01:58:12,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:58:12,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051653716] [2025-02-08 01:58:12,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:58:12,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:58:16,507 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-02-08 01:58:16,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-02-08 01:58:16,947 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:58:16,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:58:19,340 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2025-02-08 01:58:19,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:58:19,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051653716] [2025-02-08 01:58:19,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051653716] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:58:19,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454132756] [2025-02-08 01:58:19,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:58:19,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:58:19,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:58:19,349 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:58:19,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 01:58:23,736 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-02-08 01:58:24,233 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-02-08 01:58:24,233 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:58:24,233 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:58:24,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 4500 conjuncts, 107 conjuncts are in the unsatisfiable core [2025-02-08 01:58:24,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:58:24,319 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 19 treesize of output 1 [2025-02-08 01:58:24,357 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 41 treesize of output 1 [2025-02-08 01:58:24,378 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 19 treesize of output 1 [2025-02-08 01:58:24,399 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 19 treesize of output 1 [2025-02-08 01:58:24,433 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 [2025-02-08 01:58:24,475 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 [2025-02-08 01:58:24,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 1 [2025-02-08 01:58:30,607 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 31 treesize of output 15 [2025-02-08 01:58:30,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-08 01:58:30,979 INFO L349 Elim1Store]: treesize reduction 39, result has 32.8 percent of original size [2025-02-08 01:58:30,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 35 [2025-02-08 01:58:31,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-08 01:58:31,295 INFO L349 Elim1Store]: treesize reduction 39, result has 32.8 percent of original size [2025-02-08 01:58:31,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 35 [2025-02-08 01:58:38,038 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 01:58:38,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2025-02-08 01:58:38,099 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 01:58:38,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2025-02-08 01:58:38,122 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 31 treesize of output 15 [2025-02-08 01:58:42,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15