./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_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_hash_iter_begin_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 421f397ecb374fcc22201279d98969d7d1e8c35a1593d9d42549f7d3b356eac0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:10:29,519 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:10:29,576 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:10:29,582 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:10:29,582 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:10:29,601 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:10:29,603 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:10:29,603 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:10:29,603 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:10:29,603 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:10:29,604 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:10:29,604 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:10:29,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:10:29,604 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:10:29,604 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:10:29,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:10:29,605 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:10:29,605 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:10:29,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:10:29,605 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:10:29,605 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:10:29,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:10:29,605 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:10:29,605 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:10:29,605 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:10:29,605 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:10:29,605 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:10:29,606 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:10:29,606 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:10:29,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:10:29,606 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:10:29,606 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:10:29,606 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:10:29,607 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:10:29,607 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:10:29,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:10:29,607 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:10:29,607 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:10:29,607 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:10:29,607 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:10:29,607 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 -> 421f397ecb374fcc22201279d98969d7d1e8c35a1593d9d42549f7d3b356eac0 [2025-02-06 05:10:29,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:10:29,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:10:29,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:10:29,855 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:10:29,855 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:10:29,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness.i [2025-02-06 05:10:31,055 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7e6f442c7/7e2bdc60130f402184513ffe752758ac/FLAG703d1fb22 [2025-02-06 05:10:31,502 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:10:31,502 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness.i [2025-02-06 05:10:31,536 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7e6f442c7/7e2bdc60130f402184513ffe752758ac/FLAG703d1fb22 [2025-02-06 05:10:31,627 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7e6f442c7/7e2bdc60130f402184513ffe752758ac [2025-02-06 05:10:31,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:10:31,631 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:10:31,632 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:10:31,632 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:10:31,637 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:10:31,638 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:10:31" (1/1) ... [2025-02-06 05:10:31,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dedac73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:31, skipping insertion in model container [2025-02-06 05:10:31,638 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:10:31" (1/1) ... [2025-02-06 05:10:31,707 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:10:31,887 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_begin_harness.i[4493,4506] [2025-02-06 05:10:31,893 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_begin_harness.i[4553,4566] [2025-02-06 05:10:32,414 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:32,415 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:32,415 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:32,415 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:32,419 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:32,428 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:32,428 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:32,430 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:32,430 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:32,431 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:32,432 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:32,432 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:32,432 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,172 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,173 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,202 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,203 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,210 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,212 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,231 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,232 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,234 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,234 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,234 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,234 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,234 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,302 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_begin_harness.i[227550,227563] [2025-02-06 05:10:33,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:10:33,353 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:10:33,374 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_begin_harness.i[4493,4506] [2025-02-06 05:10:33,378 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_begin_harness.i[4553,4566] [2025-02-06 05:10:33,436 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,436 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,437 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,437 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,437 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,448 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,452 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,453 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,453 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,454 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,454 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,454 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,454 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2025-02-06 05:10:33,627 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,628 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,633 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,633 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,635 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,635 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,642 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,643 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,643 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,644 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,644 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,644 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,645 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:33,657 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_begin_harness.i[227550,227563] [2025-02-06 05:10:33,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:10:33,820 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:10:33,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:33 WrapperNode [2025-02-06 05:10:33,821 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:10:33,822 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:10:33,823 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:10:33,823 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:10:33,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:33" (1/1) ... [2025-02-06 05:10:33,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:33" (1/1) ... [2025-02-06 05:10:33,965 INFO L138 Inliner]: procedures = 763, calls = 2441, calls flagged for inlining = 68, calls inlined = 11, statements flattened = 623 [2025-02-06 05:10:33,965 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:10:33,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:10:33,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:10:33,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:10:33,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:33" (1/1) ... [2025-02-06 05:10:33,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:33" (1/1) ... [2025-02-06 05:10:33,985 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:33" (1/1) ... [2025-02-06 05:10:34,042 INFO L175 MemorySlicer]: Split 339 memory accesses to 8 slices as follows [2, 2, 247, 51, 6, 3, 23, 5]. 73 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [2, 0, 6, 9, 0, 0, 0, 5]. The 249 writes are split as follows [0, 1, 233, 11, 2, 1, 1, 0]. [2025-02-06 05:10:34,042 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:33" (1/1) ... [2025-02-06 05:10:34,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:33" (1/1) ... [2025-02-06 05:10:34,064 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:33" (1/1) ... [2025-02-06 05:10:34,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:33" (1/1) ... [2025-02-06 05:10:34,072 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:33" (1/1) ... [2025-02-06 05:10:34,075 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:33" (1/1) ... [2025-02-06 05:10:34,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:10:34,087 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:10:34,087 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:10:34,087 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:10:34,088 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:33" (1/1) ... [2025-02-06 05:10:34,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:10:34,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:10:34,125 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 05:10:34,131 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 05:10:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-06 05:10:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-06 05:10:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-06 05:10:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-06 05:10:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-06 05:10:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-06 05:10:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-06 05:10:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-02-06 05:10:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:10:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:10:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:10:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:10:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:10:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:10:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:10:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 05:10:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-06 05:10:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:10:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:10:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:10:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:10:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:10:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:10:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 05:10:34,149 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:10:34,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_begin [2025-02-06 05:10:34,149 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_begin [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-02-06 05:10:34,149 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-02-06 05:10:34,149 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:10:34,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:10:34,149 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-06 05:10:34,149 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure s_get_next_element [2025-02-06 05:10:34,149 INFO L138 BoogieDeclarations]: Found implementation of procedure s_get_next_element [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-06 05:10:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-06 05:10:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-06 05:10:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-06 05:10:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-02-06 05:10:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-02-06 05:10:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-02-06 05:10:34,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-06 05:10:34,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-06 05:10:34,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-06 05:10:34,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-06 05:10:34,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-06 05:10:34,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-02-06 05:10:34,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-02-06 05:10:34,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-02-06 05:10:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:10:34,151 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:10:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:10:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2025-02-06 05:10:34,151 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2025-02-06 05:10:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-06 05:10:34,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-06 05:10:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:10:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:10:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:10:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:10:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:10:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 05:10:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 05:10:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-06 05:10:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-02-06 05:10:34,151 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-02-06 05:10:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:10:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:10:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:10:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:10:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:10:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:10:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 05:10:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-06 05:10:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-06 05:10:34,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-06 05:10:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-06 05:10:34,151 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-06 05:10:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 05:10:34,151 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 05:10:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:10:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:10:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:10:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:10:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:10:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 05:10:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 05:10:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-06 05:10:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:10:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:10:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:10:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:10:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:10:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:10:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 05:10:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-06 05:10:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-02-06 05:10:34,155 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-02-06 05:10:34,470 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:10:34,471 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:10:34,497 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947: havoc #t~malloc588.base, #t~malloc588.offset; [2025-02-06 05:10:34,524 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-06 05:10:34,527 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 05:10:34,655 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9825-1: assume false; [2025-02-06 05:10:34,655 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9825-1: assume !false; [2025-02-06 05:10:34,655 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9825-2: havoc #t~mem1400.base, #t~mem1400.offset;havoc #t~mem1401.base, #t~mem1401.offset;havoc #t~mem1402.base, #t~mem1402.offset;havoc #t~mem1403;havoc #t~mem1404;havoc #t~mem1405;havoc #t~mem1406;havoc #t~mem1407.base, #t~mem1407.offset;havoc #t~mem1408.base, #t~mem1408.offset; [2025-02-06 05:10:34,772 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10103: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-02-06 05:10:34,823 INFO L1309 $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; [2025-02-06 05:10:34,848 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-02-06 05:10:34,861 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-06 05:10:40,367 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-02-06 05:10:40,432 INFO L? ?]: Removed 191 outVars from TransFormulas that were not future-live. [2025-02-06 05:10:40,432 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:10:40,458 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:10:40,462 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:10:40,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:10:40 BoogieIcfgContainer [2025-02-06 05:10:40,462 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:10:40,464 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:10:40,464 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:10:40,471 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:10:40,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:10:31" (1/3) ... [2025-02-06 05:10:40,472 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e3f0ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:10:40, skipping insertion in model container [2025-02-06 05:10:40,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:33" (2/3) ... [2025-02-06 05:10:40,472 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e3f0ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:10:40, skipping insertion in model container [2025-02-06 05:10:40,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:10:40" (3/3) ... [2025-02-06 05:10:40,477 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_begin_harness.i [2025-02-06 05:10:40,498 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:10:40,499 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_iter_begin_harness.i that has 25 procedures, 205 locations, 1 initial locations, 11 loop locations, and 1 error locations. [2025-02-06 05:10:40,550 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:10:40,561 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;@731aa593, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:10:40,562 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 05:10:40,565 INFO L276 IsEmpty]: Start isEmpty. Operand has 177 states, 118 states have (on average 1.271186440677966) internal successors, (150), 119 states have internal predecessors, (150), 40 states have call successors, (40), 17 states have call predecessors, (40), 17 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-02-06 05:10:40,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2025-02-06 05:10:40,575 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:10:40,576 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 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] [2025-02-06 05:10:40,576 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:10:40,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:10:40,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1033127190, now seen corresponding path program 1 times [2025-02-06 05:10:40,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:10:40,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542191498] [2025-02-06 05:10:40,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:10:40,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:10:44,980 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 149 statements into 1 equivalence classes. [2025-02-06 05:10:45,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 149 of 149 statements. [2025-02-06 05:10:45,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:10:45,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:10:45,686 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2025-02-06 05:10:45,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:10:45,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542191498] [2025-02-06 05:10:45,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542191498] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:10:45,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710878744] [2025-02-06 05:10:45,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:10:45,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:10:45,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:10:45,691 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 05:10:45,692 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 05:10:49,942 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 149 statements into 1 equivalence classes. [2025-02-06 05:10:50,407 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 149 of 149 statements. [2025-02-06 05:10:50,407 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:10:50,407 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:10:50,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 4547 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 05:10:50,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:10:50,452 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2025-02-06 05:10:50,453 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:10:50,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [710878744] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:10:50,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:10:50,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 05:10:50,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32745016] [2025-02-06 05:10:50,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:10:50,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 05:10:50,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:10:50,481 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 05:10:50,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 05:10:50,484 INFO L87 Difference]: Start difference. First operand has 177 states, 118 states have (on average 1.271186440677966) internal successors, (150), 119 states have internal predecessors, (150), 40 states have call successors, (40), 17 states have call predecessors, (40), 17 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-02-06 05:10:50,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:10:50,533 INFO L93 Difference]: Finished difference Result 345 states and 480 transitions. [2025-02-06 05:10:50,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 05:10:50,539 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 149 [2025-02-06 05:10:50,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:10:50,547 INFO L225 Difference]: With dead ends: 345 [2025-02-06 05:10:50,547 INFO L226 Difference]: Without dead ends: 170 [2025-02-06 05:10:50,552 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 150 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 05:10:50,555 INFO L435 NwaCegarLoop]: 222 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, 222 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 [2025-02-06 05:10:50,556 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 222 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 05:10:50,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2025-02-06 05:10:50,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2025-02-06 05:10:50,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 112 states have (on average 1.2321428571428572) internal successors, (138), 113 states have internal predecessors, (138), 40 states have call successors, (40), 17 states have call predecessors, (40), 17 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-02-06 05:10:50,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 217 transitions. [2025-02-06 05:10:50,604 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 217 transitions. Word has length 149 [2025-02-06 05:10:50,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:10:50,604 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 217 transitions. [2025-02-06 05:10:50,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-02-06 05:10:50,605 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 217 transitions. [2025-02-06 05:10:50,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-02-06 05:10:50,609 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:10:50,609 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2025-02-06 05:10:50,635 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 05:10:50,811 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 05:10:50,812 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:10:50,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:10:50,813 INFO L85 PathProgramCache]: Analyzing trace with hash -8618412, now seen corresponding path program 1 times [2025-02-06 05:10:50,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:10:50,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710913304] [2025-02-06 05:10:50,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:10:50,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:10:54,621 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-02-06 05:10:54,733 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-02-06 05:10:54,733 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:10:54,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:10:55,793 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2025-02-06 05:10:55,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:10:55,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710913304] [2025-02-06 05:10:55,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710913304] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:10:55,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413424649] [2025-02-06 05:10:55,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:10:55,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:10:55,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:10:55,796 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 05:10:55,799 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 05:11:00,211 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-02-06 05:11:00,641 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-02-06 05:11:00,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:11:00,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:11:00,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 4573 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 05:11:00,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:11:04,136 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2025-02-06 05:11:04,136 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 05:11:07,783 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-06 05:11:07,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413424649] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-06 05:11:07,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-02-06 05:11:07,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 8] total 16 [2025-02-06 05:11:07,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776489498] [2025-02-06 05:11:07,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:11:07,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 05:11:07,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:11:07,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 05:11:07,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2025-02-06 05:11:07,788 INFO L87 Difference]: Start difference. First operand 170 states and 217 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 5 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2025-02-06 05:11:10,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:11:10,653 INFO L93 Difference]: Finished difference Result 249 states and 323 transitions. [2025-02-06 05:11:10,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 05:11:10,653 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 5 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) Word has length 156 [2025-02-06 05:11:10,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:11:10,656 INFO L225 Difference]: With dead ends: 249 [2025-02-06 05:11:10,656 INFO L226 Difference]: Without dead ends: 178 [2025-02-06 05:11:10,657 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 300 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2025-02-06 05:11:10,657 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 217 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-02-06 05:11:10,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 889 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-02-06 05:11:10,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2025-02-06 05:11:10,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 172. [2025-02-06 05:11:10,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 113 states have (on average 1.2300884955752212) internal successors, (139), 115 states have internal predecessors, (139), 40 states have call successors, (40), 17 states have call predecessors, (40), 18 states have return successors, (40), 39 states have call predecessors, (40), 39 states have call successors, (40) [2025-02-06 05:11:10,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 219 transitions. [2025-02-06 05:11:10,670 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 219 transitions. Word has length 156 [2025-02-06 05:11:10,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:11:10,670 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 219 transitions. [2025-02-06 05:11:10,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 5 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2025-02-06 05:11:10,671 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 219 transitions. [2025-02-06 05:11:10,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2025-02-06 05:11:10,672 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:11:10,672 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2025-02-06 05:11:10,688 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 [2025-02-06 05:11:10,873 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 [2025-02-06 05:11:10,873 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:11:10,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:11:10,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1826196950, now seen corresponding path program 1 times [2025-02-06 05:11:10,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:11:10,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933711474] [2025-02-06 05:11:10,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:11:10,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:11:14,707 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-02-06 05:11:14,805 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-02-06 05:11:14,805 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:11:14,805 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:11:15,630 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2025-02-06 05:11:15,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:11:15,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933711474] [2025-02-06 05:11:15,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933711474] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:11:15,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72941351] [2025-02-06 05:11:15,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:11:15,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:11:15,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:11:15,680 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) [2025-02-06 05:11:15,683 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 [2025-02-06 05:11:19,817 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-02-06 05:11:20,250 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-02-06 05:11:20,250 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:11:20,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:11:20,270 INFO L256 TraceCheckSpWp]: Trace formula consists of 4578 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 05:11:20,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:11:20,387 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2025-02-06 05:11:20,388 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:11:20,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72941351] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:11:20,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:11:20,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2025-02-06 05:11:20,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737210171] [2025-02-06 05:11:20,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:11:20,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 05:11:20,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:11:20,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 05:11:20,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 05:11:20,390 INFO L87 Difference]: Start difference. First operand 172 states and 219 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2025-02-06 05:11:20,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:11:20,642 INFO L93 Difference]: Finished difference Result 337 states and 430 transitions. [2025-02-06 05:11:20,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 05:11:20,643 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 157 [2025-02-06 05:11:20,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:11:20,645 INFO L225 Difference]: With dead ends: 337 [2025-02-06 05:11:20,645 INFO L226 Difference]: Without dead ends: 177 [2025-02-06 05:11:20,645 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 05:11:20,646 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 0 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 05:11:20,646 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 848 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 05:11:20,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2025-02-06 05:11:20,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2025-02-06 05:11:20,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 117 states have (on average 1.2222222222222223) internal successors, (143), 119 states have internal predecessors, (143), 40 states have call successors, (40), 17 states have call predecessors, (40), 19 states have return successors, (41), 40 states have call predecessors, (41), 39 states have call successors, (41) [2025-02-06 05:11:20,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 224 transitions. [2025-02-06 05:11:20,667 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 224 transitions. Word has length 157 [2025-02-06 05:11:20,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:11:20,667 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 224 transitions. [2025-02-06 05:11:20,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2025-02-06 05:11:20,667 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 224 transitions. [2025-02-06 05:11:20,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2025-02-06 05:11:20,669 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:11:20,669 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2025-02-06 05:11:20,687 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 05:11:20,869 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 [2025-02-06 05:11:20,870 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:11:20,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:11:20,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1615707830, now seen corresponding path program 1 times [2025-02-06 05:11:20,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:11:20,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994192899] [2025-02-06 05:11:20,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:11:20,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:11:24,586 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-02-06 05:11:24,688 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-02-06 05:11:24,689 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:11:24,689 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:11:27,896 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2025-02-06 05:11:27,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:11:27,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994192899] [2025-02-06 05:11:27,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994192899] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:11:27,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021580911] [2025-02-06 05:11:27,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:11:27,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:11:27,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:11:27,900 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) [2025-02-06 05:11:27,901 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 [2025-02-06 05:11:32,135 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-02-06 05:11:32,547 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-02-06 05:11:32,547 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:11:32,547 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:11:32,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 4586 conjuncts, 60 conjuncts are in the unsatisfiable core [2025-02-06 05:11:32,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:11:33,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-02-06 05:11:40,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2025-02-06 05:11:40,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2025-02-06 05:11:42,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 20 treesize of output 12 [2025-02-06 05:11:45,210 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-02-06 05:11:45,210 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:11:45,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021580911] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:11:45,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:11:45,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [10] total 26 [2025-02-06 05:11:45,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169685693] [2025-02-06 05:11:45,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:11:45,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-02-06 05:11:45,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:11:45,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-02-06 05:11:45,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=568, Unknown=0, NotChecked=0, Total=650 [2025-02-06 05:11:45,213 INFO L87 Difference]: Start difference. First operand 177 states and 224 transitions. Second operand has 19 states, 17 states have (on average 5.588235294117647) internal successors, (95), 16 states have internal predecessors, (95), 10 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (25), 9 states have call predecessors, (25), 9 states have call successors, (25) [2025-02-06 05:11:49,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-06 05:11:53,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 05:11:58,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 05:12:02,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 05:12:06,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]