./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 c00e63dc 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.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 4257c596bef04d5fe8bf259adf6446404c081810303dcc774a436ca59648249a --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:22:29,970 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:22:30,026 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:22:30,032 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:22:30,033 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:22:30,057 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:22:30,057 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:22:30,058 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:22:30,058 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:22:30,058 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:22:30,059 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:22:30,059 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:22:30,059 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:22:30,060 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:22:30,060 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:22:30,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:22:30,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:22:30,060 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:22:30,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:22:30,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:22:30,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:22:30,061 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:22:30,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:22:30,061 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:22:30,061 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:22:30,061 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:22:30,061 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:22:30,061 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:22:30,061 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:22:30,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:22:30,061 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:22:30,061 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:22:30,061 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:22:30,061 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:22:30,061 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:22:30,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:22:30,062 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:22:30,062 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:22:30,062 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:22:30,062 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:22:30,062 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 -> 4257c596bef04d5fe8bf259adf6446404c081810303dcc774a436ca59648249a [2025-02-06 05:22:30,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:22:30,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:22:30,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:22:30,337 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:22:30,337 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:22:30,339 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i [2025-02-06 05:22:31,670 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3d348b5b2/6131974411c34868808a1a98c92b13d5/FLAGcd6bad7d7 [2025-02-06 05:22:32,164 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:22:32,165 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i [2025-02-06 05:22:32,195 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3d348b5b2/6131974411c34868808a1a98c92b13d5/FLAGcd6bad7d7 [2025-02-06 05:22:32,208 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3d348b5b2/6131974411c34868808a1a98c92b13d5 [2025-02-06 05:22:32,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:22:32,211 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:22:32,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:22:32,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:22:32,216 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:22:32,216 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:22:32" (1/1) ... [2025-02-06 05:22:32,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2217ad44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:32, skipping insertion in model container [2025-02-06 05:22:32,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:22:32" (1/1) ... [2025-02-06 05:22:32,290 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:22:32,465 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.i[4499,4512] [2025-02-06 05:22:32,470 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.i[4559,4572] [2025-02-06 05:22:32,927 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:32,927 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:32,927 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:32,928 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:32,928 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:32,942 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:32,943 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:32,944 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:32,944 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:32,946 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:32,947 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:32,947 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:32,948 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,302 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,307 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,357 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,357 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,357 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,358 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,358 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,358 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,359 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,360 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,360 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,360 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,360 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,361 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,361 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,364 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,364 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,364 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,364 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,369 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,369 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,375 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,377 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,377 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:22:33,431 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:22:33,443 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.i[4499,4512] [2025-02-06 05:22:33,447 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.i[4559,4572] [2025-02-06 05:22:33,523 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,523 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,523 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,523 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,524 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,528 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,528 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,528 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,529 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,529 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,529 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,530 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,530 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,602 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,606 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7770-7781] [2025-02-06 05:22:33,631 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,632 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,632 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,633 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,633 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,634 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,634 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,634 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,635 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,635 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,635 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,635 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,636 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,637 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,637 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,637 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,637 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,638 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,639 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,645 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,645 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,645 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:22:33,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:22:33,826 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:22:33,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:33 WrapperNode [2025-02-06 05:22:33,826 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:22:33,827 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:22:33,827 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:22:33,827 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:22:33,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:33" (1/1) ... [2025-02-06 05:22:33,890 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:33" (1/1) ... [2025-02-06 05:22:33,946 INFO L138 Inliner]: procedures = 687, calls = 1963, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 791 [2025-02-06 05:22:33,946 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:22:33,947 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:22:33,947 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:22:33,947 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:22:33,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:33" (1/1) ... [2025-02-06 05:22:33,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:33" (1/1) ... [2025-02-06 05:22:33,959 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:33" (1/1) ... [2025-02-06 05:22:34,028 INFO L175 MemorySlicer]: Split 355 memory accesses to 8 slices as follows [238, 2, 3, 7, 5, 81, 5, 14]. 67 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [6, 2, 1, 0, 0, 5, 0, 5]. The 258 writes are split as follows [232, 0, 1, 2, 2, 17, 2, 2]. [2025-02-06 05:22:34,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:33" (1/1) ... [2025-02-06 05:22:34,033 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:33" (1/1) ... [2025-02-06 05:22:34,053 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:33" (1/1) ... [2025-02-06 05:22:34,054 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:33" (1/1) ... [2025-02-06 05:22:34,058 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:33" (1/1) ... [2025-02-06 05:22:34,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:33" (1/1) ... [2025-02-06 05:22:34,065 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:22:34,066 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:22:34,066 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:22:34,066 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:22:34,067 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:33" (1/1) ... [2025-02-06 05:22:34,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:22:34,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:22:34,097 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) [2025-02-06 05:22:34,102 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 [2025-02-06 05:22:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-02-06 05:22:34,120 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-02-06 05:22:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:22:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-02-06 05:22:34,120 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-02-06 05:22:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-02-06 05:22:34,120 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-02-06 05:22:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:22:34,120 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:22:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:22:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:22:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:22:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:22:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:22:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:22:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 05:22:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-06 05:22:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:22:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:22:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:22:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:22:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:22:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:22:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 05:22:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-06 05:22:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 05:22:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 05:22:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:22:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:22:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:22:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:22:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:22:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:22:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:22:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:22:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:22:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:22:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 05:22:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-06 05:22:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:22:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:22:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:22:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:22:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-06 05:22:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-06 05:22:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-06 05:22:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-06 05:22:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-02-06 05:22:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:22:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 05:22:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-06 05:22:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:22:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:22:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:22:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 05:22:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 05:22:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-06 05:22:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-02-06 05:22:34,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-02-06 05:22:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-02-06 05:22:34,125 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-02-06 05:22:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:22:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:22:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:22:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:22:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:22:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:22:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 05:22:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-06 05:22:34,377 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:22:34,378 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:22:34,399 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc583.base, #t~malloc583.offset; [2025-02-06 05:22:34,411 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-06 05:22:34,426 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-06 05:22:34,449 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-02-06 05:22:34,492 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8271: havoc aws_priority_queue_backpointers_valid_#t~ret876#1;havoc aws_priority_queue_backpointers_valid_#t~short877#1; [2025-02-06 05:22:34,536 INFO L1309 $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; [2025-02-06 05:22:34,538 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:22:34,548 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8185: havoc ~node~1.base, ~node~1.offset; [2025-02-06 05:22:39,842 INFO L? ?]: Removed 186 outVars from TransFormulas that were not future-live. [2025-02-06 05:22:39,842 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:22:39,859 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:22:39,859 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:22:39,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:22:39 BoogieIcfgContainer [2025-02-06 05:22:39,860 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:22:39,867 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:22:39,867 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:22:39,895 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:22:39,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:22:32" (1/3) ... [2025-02-06 05:22:39,896 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e62394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:22:39, skipping insertion in model container [2025-02-06 05:22:39,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:22:33" (2/3) ... [2025-02-06 05:22:39,896 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e62394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:22:39, skipping insertion in model container [2025-02-06 05:22:39,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:22:39" (3/3) ... [2025-02-06 05:22:39,897 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_swap_harness.i [2025-02-06 05:22:39,909 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:22:39,910 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. [2025-02-06 05:22:39,950 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:22:39,958 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;@47cfb52b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:22:39,958 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 05:22:39,961 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) [2025-02-06 05:22:39,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-02-06 05:22:39,970 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:22:39,970 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] [2025-02-06 05:22:39,971 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:22:39,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:22:39,974 INFO L85 PathProgramCache]: Analyzing trace with hash -2112822781, now seen corresponding path program 1 times [2025-02-06 05:22:39,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:22:39,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708948459] [2025-02-06 05:22:39,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:22:39,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:22:44,515 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-02-06 05:22:44,858 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-02-06 05:22:44,859 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:22:44,859 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:22:45,329 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2025-02-06 05:22:45,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:22:45,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708948459] [2025-02-06 05:22:45,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708948459] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:22:45,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839467858] [2025-02-06 05:22:45,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:22:45,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:22:45,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:22:45,334 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) [2025-02-06 05:22:45,336 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 [2025-02-06 05:22:49,410 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-02-06 05:22:49,902 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-02-06 05:22:49,903 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:22:49,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:22:49,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 4503 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 05:22:49,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:22:49,958 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-02-06 05:22:49,961 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:22:49,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839467858] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:22:49,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:22:49,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 05:22:49,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101706863] [2025-02-06 05:22:49,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:22:49,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 05:22:49,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:22:49,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 05:22:49,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 05:22:49,981 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) [2025-02-06 05:22:50,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:22:50,010 INFO L93 Difference]: Finished difference Result 411 states and 574 transitions. [2025-02-06 05:22:50,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 05:22:50,011 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 [2025-02-06 05:22:50,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:22:50,018 INFO L225 Difference]: With dead ends: 411 [2025-02-06 05:22:50,018 INFO L226 Difference]: Without dead ends: 212 [2025-02-06 05:22:50,022 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 [2025-02-06 05:22:50,024 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 [2025-02-06 05:22:50,024 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] [2025-02-06 05:22:50,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2025-02-06 05:22:50,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2025-02-06 05:22:50,055 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) [2025-02-06 05:22:50,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 280 transitions. [2025-02-06 05:22:50,061 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 280 transitions. Word has length 142 [2025-02-06 05:22:50,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:22:50,062 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 280 transitions. [2025-02-06 05:22:50,062 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) [2025-02-06 05:22:50,063 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 280 transitions. [2025-02-06 05:22:50,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-02-06 05:22:50,065 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:22:50,065 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] [2025-02-06 05:22:50,083 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 05:22:50,269 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 [2025-02-06 05:22:50,269 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:22:50,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:22:50,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1733099522, now seen corresponding path program 1 times [2025-02-06 05:22:50,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:22:50,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390247790] [2025-02-06 05:22:50,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:22:50,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:22:54,122 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-02-06 05:22:54,423 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-02-06 05:22:54,423 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:22:54,423 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:22:56,737 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2025-02-06 05:22:56,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:22:56,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390247790] [2025-02-06 05:22:56,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390247790] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:22:56,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138947366] [2025-02-06 05:22:56,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:22:56,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:22:56,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:22:56,741 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) [2025-02-06 05:22:56,743 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 [2025-02-06 05:23:01,245 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-02-06 05:23:01,701 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-02-06 05:23:01,701 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:23:01,701 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:23:01,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 4503 conjuncts, 77 conjuncts are in the unsatisfiable core [2025-02-06 05:23:01,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:23:01,784 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 [2025-02-06 05:23:01,834 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 [2025-02-06 05:23:06,962 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 27 treesize of output 15 [2025-02-06 05:23:07,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-06 05:23:07,386 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 29 treesize of output 13 [2025-02-06 05:23:07,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-06 05:23:07,479 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 29 treesize of output 13 [2025-02-06 05:23:14,784 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-06 05:23:14,785 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 [2025-02-06 05:23:14,809 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 [2025-02-06 05:23:14,863 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-06 05:23:14,864 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 [2025-02-06 05:23:19,277 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