./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness.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_hash_iter_done_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 6d54635a45b4bea3ce8bb2da849d6298e1094d0c6d7d45bb3baae6f41da1bbe7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:47:16,534 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:47:16,581 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:47:16,584 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:47:16,584 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:47:16,603 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:47:16,605 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:47:16,605 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:47:16,606 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:47:16,606 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:47:16,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:47:16,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:47:16,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:47:16,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:47:16,607 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:47:16,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:47:16,607 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:47:16,607 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:47:16,607 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:47:16,607 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:47:16,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:47:16,608 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:47:16,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:47:16,608 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:47:16,608 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:47:16,608 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:47:16,608 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:47:16,608 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:47:16,608 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:47:16,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:47:16,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:47:16,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:47:16,609 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:47:16,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:47:16,609 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:47:16,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:47:16,609 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:47:16,609 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:47:16,609 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:47:16,610 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:47:16,610 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 -> 6d54635a45b4bea3ce8bb2da849d6298e1094d0c6d7d45bb3baae6f41da1bbe7 [2025-02-08 01:47:16,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:47:16,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:47:16,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:47:16,857 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:47:16,857 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:47:16,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness.i [2025-02-08 01:47:18,051 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b7b6e360d/8d67f3064bd94f468bff715d99149866/FLAGf6b9bfe3c [2025-02-08 01:47:18,538 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:47:18,538 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness.i [2025-02-08 01:47:18,579 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b7b6e360d/8d67f3064bd94f468bff715d99149866/FLAGf6b9bfe3c [2025-02-08 01:47:18,593 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b7b6e360d/8d67f3064bd94f468bff715d99149866 [2025-02-08 01:47:18,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:47:18,598 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:47:18,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:47:18,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:47:18,602 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:47:18,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:47:18" (1/1) ... [2025-02-08 01:47:18,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6151157c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:18, skipping insertion in model container [2025-02-08 01:47:18,604 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:47:18" (1/1) ... [2025-02-08 01:47:18,683 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:47:18,897 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_hash_iter_done_harness.i[4492,4505] [2025-02-08 01:47:18,906 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_hash_iter_done_harness.i[4552,4565] [2025-02-08 01:47:19,508 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:19,509 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:19,509 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:19,510 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:19,510 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:19,519 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:19,520 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:19,521 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:19,521 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:19,522 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:19,523 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:19,523 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:19,523 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,185 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,187 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,219 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,220 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,227 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,229 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,247 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,249 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,249 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,249 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,249 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,250 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,250 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,311 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_hash_iter_done_harness.i[228041,228054] [2025-02-08 01:47:20,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:47:20,337 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:47:20,347 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_hash_iter_done_harness.i[4492,4505] [2025-02-08 01:47:20,351 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_hash_iter_done_harness.i[4552,4565] [2025-02-08 01:47:20,385 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,386 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,387 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,387 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,387 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,395 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,396 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,397 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,397 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,397 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,398 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,398 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,398 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2025-02-08 01:47:20,524 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,525 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,531 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,531 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,533 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,533 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,539 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,540 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,541 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,541 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,541 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,541 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,541 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:20,556 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_hash_iter_done_harness.i[228041,228054] [2025-02-08 01:47:20,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:47:20,715 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:47:20,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:20 WrapperNode [2025-02-08 01:47:20,717 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:47:20,718 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:47:20,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:47:20,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:47:20,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:20" (1/1) ... [2025-02-08 01:47:20,802 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:20" (1/1) ... [2025-02-08 01:47:20,854 INFO L138 Inliner]: procedures = 763, calls = 2449, calls flagged for inlining = 68, calls inlined = 11, statements flattened = 644 [2025-02-08 01:47:20,854 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:47:20,855 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:47:20,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:47:20,855 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:47:20,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:20" (1/1) ... [2025-02-08 01:47:20,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:20" (1/1) ... [2025-02-08 01:47:20,869 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:20" (1/1) ... [2025-02-08 01:47:20,917 INFO L175 MemorySlicer]: Split 318 memory accesses to 9 slices as follows [238, 2, 3, 7, 19, 36, 6, 2, 5]. 75 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [6, 2, 0, 0, 0, 9, 0, 0, 5]. The 239 writes are split as follows [232, 0, 1, 1, 1, 1, 2, 1, 0]. [2025-02-08 01:47:20,918 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:20" (1/1) ... [2025-02-08 01:47:20,918 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:20" (1/1) ... [2025-02-08 01:47:20,941 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:20" (1/1) ... [2025-02-08 01:47:20,943 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:20" (1/1) ... [2025-02-08 01:47:20,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:20" (1/1) ... [2025-02-08 01:47:20,951 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:20" (1/1) ... [2025-02-08 01:47:20,960 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:47:20,965 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:47:20,965 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:47:20,965 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:47:20,966 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:20" (1/1) ... [2025-02-08 01:47:20,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:47:20,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:47:20,993 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 01:47:20,996 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 01:47:21,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-08 01:47:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-08 01:47:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-08 01:47:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-08 01:47:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-08 01:47:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-08 01:47:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-08 01:47:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-02-08 01:47:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-02-08 01:47:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:47:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:47:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:47:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:47:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:47:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:47:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:47:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 01:47:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-08 01:47:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-02-08 01:47:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:47:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:47:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:47:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:47:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:47:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:47:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 01:47:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-08 01:47:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-08 01:47:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_done [2025-02-08 01:47:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_done [2025-02-08 01:47:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:47:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:47:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:47:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:47:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-02-08 01:47:21,016 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-02-08 01:47:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:47:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:47:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-02-08 01:47:21,017 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-02-08 01:47:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:47:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:47:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:47:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:47:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:47:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:47:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 01:47:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-08 01:47:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-02-08 01:47:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:47:21,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:47:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:47:21,017 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:47:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-08 01:47:21,017 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-08 01:47:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:47:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:47:21,018 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2025-02-08 01:47:21,018 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-08 01:47:21,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-02-08 01:47:21,018 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-08 01:47:21,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-08 01:47:21,018 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:47:21,018 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:47:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 01:47:21,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-08 01:47:21,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-08 01:47:21,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:47:21,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:47:21,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:47:21,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:47:21,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:47:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:47:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 01:47:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-08 01:47:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-08 01:47:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-02-08 01:47:21,020 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-02-08 01:47:21,310 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:47:21,313 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:47:21,362 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947: havoc #t~malloc588.base, #t~malloc588.offset; [2025-02-08 01:47:21,383 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-08 01:47:21,385 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:47:21,492 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L10103: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-02-08 01:47:21,565 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9990: havoc #t~mem1489.base, #t~mem1489.offset;havoc #t~short1490;havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~ret1492;havoc #t~short1493; [2025-02-08 01:47:21,596 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-02-08 01:47:21,613 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-08 01:47:26,652 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1;save_byte_from_array_#t~ret633#1 := nondet_size_t_#res#1;havoc nondet_size_t_#t~nondet6#1;assume { :end_inline_nondet_size_t } true;call write~int#6(save_byte_from_array_#t~ret633#1, save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8);havoc save_byte_from_array_#t~ret633#1;call save_byte_from_array_#t~mem634#1 := read~int#6(save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8); [2025-02-08 01:47:26,652 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7198: havoc save_byte_from_array_#t~mem634#1;call save_byte_from_array_#t~mem635#1 := read~int#6(save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8);call save_byte_from_array_#t~mem636#1 := read~int#4(save_byte_from_array_~array#1.base, save_byte_from_array_~array#1.offset + (if save_byte_from_array_#t~mem635#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then save_byte_from_array_#t~mem635#1 % 18446744073709551616 % 18446744073709551616 else save_byte_from_array_#t~mem635#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616), 1);call write~int#6(save_byte_from_array_#t~mem636#1, save_byte_from_array_~storage#1.base, 8 + save_byte_from_array_~storage#1.offset, 1);havoc save_byte_from_array_#t~mem635#1;havoc save_byte_from_array_#t~mem636#1; [2025-02-08 01:47:26,652 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7198-1: SUMMARY for call assume_abort_if_not((if 0 == (if save_byte_from_array_#t~mem634#1 % 18446744073709551616 < save_byte_from_array_~size#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:47:26,739 INFO L? ?]: Removed 140 outVars from TransFormulas that were not future-live. [2025-02-08 01:47:26,739 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:47:26,753 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:47:26,754 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:47:26,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:47:26 BoogieIcfgContainer [2025-02-08 01:47:26,755 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:47:26,757 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:47:26,757 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:47:26,760 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:47:26,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:47:18" (1/3) ... [2025-02-08 01:47:26,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e43dd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:47:26, skipping insertion in model container [2025-02-08 01:47:26,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:20" (2/3) ... [2025-02-08 01:47:26,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e43dd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:47:26, skipping insertion in model container [2025-02-08 01:47:26,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:47:26" (3/3) ... [2025-02-08 01:47:26,762 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_done_harness.i [2025-02-08 01:47:26,772 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:47:26,773 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_iter_done_harness.i that has 16 procedures, 153 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-08 01:47:26,819 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:47:26,829 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;@16f46584, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:47:26,829 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:47:26,832 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 94 states have (on average 1.2765957446808511) internal successors, (120), 98 states have internal predecessors, (120), 39 states have call successors, (39), 15 states have call predecessors, (39), 15 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-02-08 01:47:26,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2025-02-08 01:47:26,840 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:47:26,841 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1] [2025-02-08 01:47:26,841 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:47:26,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:47:26,845 INFO L85 PathProgramCache]: Analyzing trace with hash -454743778, now seen corresponding path program 1 times [2025-02-08 01:47:26,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:47:26,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78216958] [2025-02-08 01:47:26,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:47:26,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:47:31,331 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-02-08 01:47:31,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-02-08 01:47:31,633 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:47:31,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:47:32,082 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-08 01:47:32,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:47:32,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78216958] [2025-02-08 01:47:32,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78216958] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:47:32,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946466288] [2025-02-08 01:47:32,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:47:32,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:47:32,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:47:32,086 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 01:47:32,088 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 01:47:36,338 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-02-08 01:47:36,849 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-02-08 01:47:36,849 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:47:36,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:47:36,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 4446 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 01:47:36,880 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:47:36,895 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-08 01:47:36,896 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:47:36,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1946466288] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:47:36,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:47:36,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 01:47:36,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523127361] [2025-02-08 01:47:36,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:47:36,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 01:47:36,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:47:36,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 01:47:36,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:47:36,917 INFO L87 Difference]: Start difference. First operand has 153 states, 94 states have (on average 1.2765957446808511) internal successors, (120), 98 states have internal predecessors, (120), 39 states have call successors, (39), 15 states have call predecessors, (39), 15 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-02-08 01:47:36,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:47:36,956 INFO L93 Difference]: Finished difference Result 299 states and 418 transitions. [2025-02-08 01:47:36,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 01:47:36,958 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 137 [2025-02-08 01:47:36,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:47:36,964 INFO L225 Difference]: With dead ends: 299 [2025-02-08 01:47:36,965 INFO L226 Difference]: Without dead ends: 140 [2025-02-08 01:47:36,970 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 138 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 01:47:36,972 INFO L435 NwaCegarLoop]: 194 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 01:47:36,976 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 194 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 01:47:36,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2025-02-08 01:47:37,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2025-02-08 01:47:37,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 88 states have (on average 1.2272727272727273) internal successors, (108), 89 states have internal predecessors, (108), 37 states have call successors, (37), 14 states have call predecessors, (37), 14 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2025-02-08 01:47:37,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 181 transitions. [2025-02-08 01:47:37,023 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 181 transitions. Word has length 137 [2025-02-08 01:47:37,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:47:37,024 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 181 transitions. [2025-02-08 01:47:37,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-02-08 01:47:37,025 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 181 transitions. [2025-02-08 01:47:37,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2025-02-08 01:47:37,029 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:47:37,029 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1] [2025-02-08 01:47:37,044 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 01:47:37,230 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 01:47:37,231 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:47:37,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:47:37,231 INFO L85 PathProgramCache]: Analyzing trace with hash -836862914, now seen corresponding path program 1 times [2025-02-08 01:47:37,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:47:37,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375998156] [2025-02-08 01:47:37,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:47:37,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:47:41,354 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-02-08 01:47:41,493 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-02-08 01:47:41,495 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:47:41,495 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:47:42,468 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2025-02-08 01:47:42,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:47:42,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375998156] [2025-02-08 01:47:42,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375998156] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:47:42,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1053596754] [2025-02-08 01:47:42,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:47:42,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:47:42,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:47:42,473 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 01:47:42,474 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 01:47:47,022 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-02-08 01:47:47,460 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-02-08 01:47:47,460 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:47:47,460 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:47:47,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 4446 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 01:47:47,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:47:49,539 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 114 proven. 20 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-08 01:47:49,539 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 01:47:52,014 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2025-02-08 01:47:52,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1053596754] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 01:47:52,015 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 01:47:52,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 6] total 11 [2025-02-08 01:47:52,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053264343] [2025-02-08 01:47:52,015 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 01:47:52,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 01:47:52,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:47:52,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 01:47:52,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-02-08 01:47:52,017 INFO L87 Difference]: Start difference. First operand 140 states and 181 transitions. Second operand has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 6 states have call successors, (55), 3 states have call predecessors, (55), 5 states have return successors, (54), 7 states have call predecessors, (54), 6 states have call successors, (54) [2025-02-08 01:47:56,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 01:48:00,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 01:48:05,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:48:05,155 INFO L93 Difference]: Finished difference Result 275 states and 361 transitions. [2025-02-08 01:48:05,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 01:48:05,156 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 6 states have call successors, (55), 3 states have call predecessors, (55), 5 states have return successors, (54), 7 states have call predecessors, (54), 6 states have call successors, (54) Word has length 137 [2025-02-08 01:48:05,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:48:05,159 INFO L225 Difference]: With dead ends: 275 [2025-02-08 01:48:05,159 INFO L226 Difference]: Without dead ends: 146 [2025-02-08 01:48:05,161 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 267 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2025-02-08 01:48:05,162 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 217 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 86 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 1115 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2025-02-08 01:48:05,162 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 1115 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 266 Invalid, 2 Unknown, 0 Unchecked, 12.3s Time] [2025-02-08 01:48:05,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2025-02-08 01:48:05,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 142. [2025-02-08 01:48:05,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 89 states have (on average 1.2134831460674158) internal successors, (108), 91 states have internal predecessors, (108), 37 states have call successors, (37), 14 states have call predecessors, (37), 15 states have return successors, (38), 36 states have call predecessors, (38), 36 states have call successors, (38) [2025-02-08 01:48:05,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 183 transitions. [2025-02-08 01:48:05,175 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 183 transitions. Word has length 137 [2025-02-08 01:48:05,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:48:05,175 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 183 transitions. [2025-02-08 01:48:05,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 6 states have call successors, (55), 3 states have call predecessors, (55), 5 states have return successors, (54), 7 states have call predecessors, (54), 6 states have call successors, (54) [2025-02-08 01:48:05,176 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 183 transitions. [2025-02-08 01:48:05,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-02-08 01:48:05,177 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:48:05,177 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:48:05,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-08 01:48:05,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:48:05,378 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:48:05,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:48:05,379 INFO L85 PathProgramCache]: Analyzing trace with hash 216461608, now seen corresponding path program 1 times [2025-02-08 01:48:05,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:48:05,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383529788] [2025-02-08 01:48:05,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:48:05,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:48:09,002 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-02-08 01:48:09,129 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-02-08 01:48:09,130 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:48:09,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:48:10,010 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2025-02-08 01:48:10,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:48:10,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383529788] [2025-02-08 01:48:10,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383529788] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:48:10,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553886951] [2025-02-08 01:48:10,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:48:10,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:48:10,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:48:10,017 INFO L229 MonitoredProcess]: Starting monitored process 4 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 01:48:10,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 01:48:14,482 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-02-08 01:48:14,883 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-02-08 01:48:14,883 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:48:14,883 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:48:14,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 4639 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 01:48:14,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:48:18,383 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 67 proven. 85 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2025-02-08 01:48:18,383 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 01:48:23,244 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2025-02-08 01:48:23,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1553886951] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-08 01:48:23,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-02-08 01:48:23,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [4, 8] total 15 [2025-02-08 01:48:23,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73129700] [2025-02-08 01:48:23,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:48:23,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 01:48:23,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:48:23,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 01:48:23,246 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2025-02-08 01:48:23,246 INFO L87 Difference]: Start difference. First operand 142 states and 183 transitions. Second operand has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 5 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 4 states have call predecessors, (22), 5 states have call successors, (22) [2025-02-08 01:48:27,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 01:48:32,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:48:32,587 INFO L93 Difference]: Finished difference Result 224 states and 293 transitions. [2025-02-08 01:48:32,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 01:48:32,588 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 5 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 4 states have call predecessors, (22), 5 states have call successors, (22) Word has length 160 [2025-02-08 01:48:32,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:48:32,590 INFO L225 Difference]: With dead ends: 224 [2025-02-08 01:48:32,590 INFO L226 Difference]: Without dead ends: 144 [2025-02-08 01:48:32,590 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 310 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2025-02-08 01:48:32,591 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 189 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 54 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2025-02-08 01:48:32,591 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 781 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 227 Invalid, 1 Unknown, 0 Unchecked, 8.1s Time] [2025-02-08 01:48:32,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2025-02-08 01:48:32,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 140. [2025-02-08 01:48:32,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 88 states have (on average 1.2045454545454546) internal successors, (106), 89 states have internal predecessors, (106), 37 states have call successors, (37), 14 states have call predecessors, (37), 14 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2025-02-08 01:48:32,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 179 transitions. [2025-02-08 01:48:32,608 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 179 transitions. Word has length 160 [2025-02-08 01:48:32,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:48:32,609 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 179 transitions. [2025-02-08 01:48:32,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 5 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 4 states have call predecessors, (22), 5 states have call successors, (22) [2025-02-08 01:48:32,609 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 179 transitions. [2025-02-08 01:48:32,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2025-02-08 01:48:32,610 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:48:32,610 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2025-02-08 01:48:32,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 01:48:32,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:48:32,811 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:48:32,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:48:32,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1942722468, now seen corresponding path program 1 times [2025-02-08 01:48:32,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:48:32,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216289400] [2025-02-08 01:48:32,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:48:32,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:48:36,635 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-02-08 01:48:36,734 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-02-08 01:48:36,735 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:48:36,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:48:37,552 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2025-02-08 01:48:37,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:48:37,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216289400] [2025-02-08 01:48:37,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216289400] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:48:37,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079980696] [2025-02-08 01:48:37,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:48:37,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:48:37,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:48:37,555 INFO L229 MonitoredProcess]: Starting monitored process 5 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 01:48:37,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 01:48:41,876 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-02-08 01:48:42,315 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-02-08 01:48:42,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:48:42,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:48:42,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 4644 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 01:48:42,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:48:44,199 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2025-02-08 01:48:44,200 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:48:44,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079980696] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:48:44,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:48:44,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [4] total 11 [2025-02-08 01:48:44,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292299543] [2025-02-08 01:48:44,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:48:44,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 01:48:44,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:48:44,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 01:48:44,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2025-02-08 01:48:44,201 INFO L87 Difference]: Start difference. First operand 140 states and 179 transitions. Second operand has 9 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-02-08 01:48:47,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:48:47,720 INFO L93 Difference]: Finished difference Result 160 states and 205 transitions. [2025-02-08 01:48:47,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 01:48:47,720 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 161 [2025-02-08 01:48:47,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:48:47,722 INFO L225 Difference]: With dead ends: 160 [2025-02-08 01:48:47,722 INFO L226 Difference]: Without dead ends: 158 [2025-02-08 01:48:47,723 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 154 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-02-08 01:48:47,723 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 9 mSDsluCounter, 1116 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1288 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2025-02-08 01:48:47,723 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 1288 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2025-02-08 01:48:47,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2025-02-08 01:48:47,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 148. [2025-02-08 01:48:47,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 93 states have (on average 1.2043010752688172) internal successors, (112), 95 states have internal predecessors, (112), 39 states have call successors, (39), 15 states have call predecessors, (39), 15 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2025-02-08 01:48:47,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 189 transitions. [2025-02-08 01:48:47,743 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 189 transitions. Word has length 161 [2025-02-08 01:48:47,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:48:47,744 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 189 transitions. [2025-02-08 01:48:47,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-02-08 01:48:47,744 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 189 transitions. [2025-02-08 01:48:47,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2025-02-08 01:48:47,747 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:48:47,747 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2025-02-08 01:48:47,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 01:48:47,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:48:47,948 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:48:47,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:48:47,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1813639749, now seen corresponding path program 1 times [2025-02-08 01:48:47,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:48:47,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002919329] [2025-02-08 01:48:47,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:48:47,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:48:52,003 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-02-08 01:48:52,115 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-02-08 01:48:52,115 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:48:52,115 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:48:52,923 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2025-02-08 01:48:52,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:48:52,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002919329] [2025-02-08 01:48:52,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002919329] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:48:52,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250035837] [2025-02-08 01:48:52,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:48:52,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:48:52,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:48:52,926 INFO L229 MonitoredProcess]: Starting monitored process 6 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 01:48:52,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process