./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness_negated.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_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c3fefd4a3fa45c7535dc41b0ccf3bb4989a6d3f39e95f31dc5e87197d363f726 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:10:33,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:10:33,763 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:10:33,766 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:10:33,768 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:10:33,788 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:10:33,788 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:10:33,788 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:10:33,789 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:10:33,789 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:10:33,789 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:10:33,790 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:10:33,790 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:10:33,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:10:33,790 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:10:33,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:10:33,790 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:10:33,790 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:10:33,791 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:10:33,791 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:10:33,791 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:10:33,791 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:10:33,791 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:10:33,791 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:10:33,791 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:10:33,791 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:10:33,791 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:10:33,792 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:10:33,792 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:10:33,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:10:33,792 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:10:33,792 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:10:33,792 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:10:33,792 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:10:33,793 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:10:33,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:10:33,793 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:10:33,793 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:10:33,793 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:10:33,793 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:10:33,793 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 -> c3fefd4a3fa45c7535dc41b0ccf3bb4989a6d3f39e95f31dc5e87197d363f726 [2025-02-06 05:10:34,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:10:34,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:10:34,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:10:34,147 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:10:34,147 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:10:34,149 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness_negated.i [2025-02-06 05:10:35,303 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c1728c63e/dd8d102424b84b2d91a88ae59368003b/FLAG40890583a [2025-02-06 05:10:35,887 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:10:35,887 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness_negated.i [2025-02-06 05:10:35,918 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c1728c63e/dd8d102424b84b2d91a88ae59368003b/FLAG40890583a [2025-02-06 05:10:36,391 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c1728c63e/dd8d102424b84b2d91a88ae59368003b [2025-02-06 05:10:36,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:10:36,394 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:10:36,395 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:10:36,395 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:10:36,398 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:10:36,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:10:36" (1/1) ... [2025-02-06 05:10:36,399 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4186b9ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:36, skipping insertion in model container [2025-02-06 05:10:36,399 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:10:36" (1/1) ... [2025-02-06 05:10:36,472 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:10:36,684 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_negated.i[4493,4506] [2025-02-06 05:10:36,692 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_negated.i[4553,4566] [2025-02-06 05:10:37,355 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:37,356 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:37,356 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:37,356 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:37,357 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:37,370 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:37,371 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:37,373 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:37,373 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:37,374 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:37,375 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:37,375 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:37,376 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,080 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,081 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,108 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,108 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,116 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,116 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,133 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,134 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,135 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,136 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,136 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,136 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,136 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,171 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_negated.i[227849,227862] [2025-02-06 05:10:38,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:10:38,197 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:10:38,212 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_negated.i[4493,4506] [2025-02-06 05:10:38,212 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_negated.i[4553,4566] [2025-02-06 05:10:38,243 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,244 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,244 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,244 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,245 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,252 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,252 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,253 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,254 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,255 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,255 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,255 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,256 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2025-02-06 05:10:38,410 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,410 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,415 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,415 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,416 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,417 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,421 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,422 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,422 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,422 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,423 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,423 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,426 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:38,449 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_negated.i[227849,227862] [2025-02-06 05:10:38,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:10:38,595 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:10:38,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:38 WrapperNode [2025-02-06 05:10:38,595 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:10:38,596 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:10:38,596 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:10:38,596 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:10:38,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:38" (1/1) ... [2025-02-06 05:10:38,671 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:38" (1/1) ... [2025-02-06 05:10:38,732 INFO L138 Inliner]: procedures = 763, calls = 2441, calls flagged for inlining = 68, calls inlined = 11, statements flattened = 623 [2025-02-06 05:10:38,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:10:38,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:10:38,733 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:10:38,733 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:10:38,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:38" (1/1) ... [2025-02-06 05:10:38,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:38" (1/1) ... [2025-02-06 05:10:38,771 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:38" (1/1) ... [2025-02-06 05:10:38,836 INFO L175 MemorySlicer]: Split 339 memory accesses to 8 slices as follows [2, 247, 3, 6, 2, 51, 23, 5]. 73 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [2, 6, 0, 0, 0, 9, 0, 5]. The 249 writes are split as follows [0, 233, 1, 2, 1, 11, 1, 0]. [2025-02-06 05:10:38,840 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:38" (1/1) ... [2025-02-06 05:10:38,840 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:38" (1/1) ... [2025-02-06 05:10:38,880 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:38" (1/1) ... [2025-02-06 05:10:38,882 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:38" (1/1) ... [2025-02-06 05:10:38,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:38" (1/1) ... [2025-02-06 05:10:38,896 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:38" (1/1) ... [2025-02-06 05:10:38,915 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:10:38,916 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:10:38,916 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:10:38,916 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:10:38,916 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:38" (1/1) ... [2025-02-06 05:10:38,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:10:38,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:10:38,940 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 05:10:38,945 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 05:10:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-06 05:10:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-06 05:10:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-06 05:10:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-06 05:10:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-06 05:10:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-06 05:10:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-06 05:10:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-02-06 05:10:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:10:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:10:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:10:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:10:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:10:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:10:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:10:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 05:10:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-06 05:10:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:10:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:10:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:10:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:10:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:10:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:10:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 05:10:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-06 05:10:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 05:10:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 05:10:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:10:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:10:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_begin [2025-02-06 05:10:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_begin [2025-02-06 05:10:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-02-06 05:10:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-02-06 05:10:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:10:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:10:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-02-06 05:10:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-02-06 05:10:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:10:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:10:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:10:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:10:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:10:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:10:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 05:10:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-06 05:10:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:10:38,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:10:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:10:38,961 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:10:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-06 05:10:38,962 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-06 05:10:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:10:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:10:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:10:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:10:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:10:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:10:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 05:10:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-06 05:10:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure s_get_next_element [2025-02-06 05:10:38,962 INFO L138 BoogieDeclarations]: Found implementation of procedure s_get_next_element [2025-02-06 05:10:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-02-06 05:10:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-06 05:10:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-06 05:10:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-06 05:10:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-06 05:10:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-06 05:10:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-02-06 05:10:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-02-06 05:10:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:10:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2025-02-06 05:10:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-06 05:10:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-02-06 05:10:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-06 05:10:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-06 05:10:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 05:10:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:10:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:10:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:10:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:10:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 05:10:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 05:10:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-06 05:10:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:10:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:10:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:10:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:10:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:10:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:10:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 05:10:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-06 05:10:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-02-06 05:10:38,966 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-02-06 05:10:39,225 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:10:39,226 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:10:39,261 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc588.base, #t~malloc588.offset; [2025-02-06 05:10:39,279 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-06 05:10:39,281 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 05:10:39,422 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9791-2: 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 05:10:39,422 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9791-1: assume false; [2025-02-06 05:10:39,422 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9791-1: assume !false; [2025-02-06 05:10:39,505 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10069: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-02-06 05:10:39,547 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9956: 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 05:10:39,564 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-02-06 05:10:39,574 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-06 05:10:45,086 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-02-06 05:10:45,143 INFO L? ?]: Removed 191 outVars from TransFormulas that were not future-live. [2025-02-06 05:10:45,143 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:10:45,155 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:10:45,155 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:10:45,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:10:45 BoogieIcfgContainer [2025-02-06 05:10:45,156 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:10:45,157 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:10:45,157 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:10:45,160 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:10:45,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:10:36" (1/3) ... [2025-02-06 05:10:45,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@395b6bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:10:45, skipping insertion in model container [2025-02-06 05:10:45,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:38" (2/3) ... [2025-02-06 05:10:45,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@395b6bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:10:45, skipping insertion in model container [2025-02-06 05:10:45,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:10:45" (3/3) ... [2025-02-06 05:10:45,162 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_begin_harness_negated.i [2025-02-06 05:10:45,172 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:10:45,173 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_iter_begin_harness_negated.i that has 25 procedures, 205 locations, 1 initial locations, 11 loop locations, and 1 error locations. [2025-02-06 05:10:45,209 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:10:45,216 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;@4f03ea6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:10:45,216 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 05:10:45,219 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 05:10:45,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2025-02-06 05:10:45,227 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:10:45,228 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 05:10:45,228 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:10:45,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:10:45,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1033127190, now seen corresponding path program 1 times [2025-02-06 05:10:45,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:10:45,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124580059] [2025-02-06 05:10:45,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:10:45,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:10:49,574 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 149 statements into 1 equivalence classes. [2025-02-06 05:10:49,878 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 149 of 149 statements. [2025-02-06 05:10:49,878 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:10:49,878 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:10:50,286 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 05:10:50,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:10:50,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124580059] [2025-02-06 05:10:50,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124580059] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:10:50,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342570358] [2025-02-06 05:10:50,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:10:50,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:10:50,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:10:50,291 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 05:10:50,292 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 05:10:54,684 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 149 statements into 1 equivalence classes. [2025-02-06 05:10:55,205 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 149 of 149 statements. [2025-02-06 05:10:55,205 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:10:55,205 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:10:55,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 4547 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 05:10:55,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:10:55,260 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 05:10:55,260 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:10:55,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342570358] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:10:55,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:10:55,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 05:10:55,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484015247] [2025-02-06 05:10:55,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:10:55,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 05:10:55,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:10:55,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 05:10:55,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 05:10:55,285 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 05:10:55,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:10:55,344 INFO L93 Difference]: Finished difference Result 345 states and 480 transitions. [2025-02-06 05:10:55,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 05:10:55,346 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 05:10:55,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:10:55,352 INFO L225 Difference]: With dead ends: 345 [2025-02-06 05:10:55,352 INFO L226 Difference]: Without dead ends: 170 [2025-02-06 05:10:55,354 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 05:10:55,356 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 05:10:55,357 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 05:10:55,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2025-02-06 05:10:55,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2025-02-06 05:10:55,382 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 05:10:55,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 217 transitions. [2025-02-06 05:10:55,391 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 217 transitions. Word has length 149 [2025-02-06 05:10:55,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:10:55,394 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 217 transitions. [2025-02-06 05:10:55,394 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 05:10:55,394 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 217 transitions. [2025-02-06 05:10:55,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-02-06 05:10:55,398 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:10:55,399 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 05:10:55,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-06 05:10:55,599 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 05:10:55,600 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:10:55,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:10:55,601 INFO L85 PathProgramCache]: Analyzing trace with hash 803917116, now seen corresponding path program 1 times [2025-02-06 05:10:55,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:10:55,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193590548] [2025-02-06 05:10:55,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:10:55,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:10:59,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-02-06 05:10:59,374 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-02-06 05:10:59,375 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:10:59,375 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:11:00,375 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 05:11:00,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:11:00,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193590548] [2025-02-06 05:11:00,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193590548] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:11:00,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918204014] [2025-02-06 05:11:00,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:11:00,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:11:00,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:11:00,379 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 05:11:00,380 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 05:11:04,691 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-02-06 05:11:05,108 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-02-06 05:11:05,109 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:11:05,109 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:11:05,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 4573 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 05:11:05,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:11:08,626 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 05:11:08,627 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 05:11:12,064 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 05:11:12,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1918204014] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-06 05:11:12,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-02-06 05:11:12,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 8] total 16 [2025-02-06 05:11:12,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532382174] [2025-02-06 05:11:12,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:11:12,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 05:11:12,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:11:12,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 05:11:12,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2025-02-06 05:11:12,067 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 05:11:14,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:11:14,856 INFO L93 Difference]: Finished difference Result 249 states and 323 transitions. [2025-02-06 05:11:14,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 05:11:14,858 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 05:11:14,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:11:14,865 INFO L225 Difference]: With dead ends: 249 [2025-02-06 05:11:14,866 INFO L226 Difference]: Without dead ends: 178 [2025-02-06 05:11:14,866 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 300 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2025-02-06 05:11:14,867 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, 1.8s IncrementalHoareTripleChecker+Time [2025-02-06 05:11:14,867 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 889 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-02-06 05:11:14,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2025-02-06 05:11:14,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 172. [2025-02-06 05:11:14,896 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 05:11:14,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 219 transitions. [2025-02-06 05:11:14,897 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 219 transitions. Word has length 156 [2025-02-06 05:11:14,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:11:14,899 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 219 transitions. [2025-02-06 05:11:14,900 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 05:11:14,900 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 219 transitions. [2025-02-06 05:11:14,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2025-02-06 05:11:14,906 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:11:14,906 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 05:11:14,922 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 05:11:15,111 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 05:11:15,111 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:11:15,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:11:15,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1244994542, now seen corresponding path program 1 times [2025-02-06 05:11:15,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:11:15,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894750987] [2025-02-06 05:11:15,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:11:15,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:11:18,812 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-02-06 05:11:18,885 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-02-06 05:11:18,885 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:11:18,885 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:11:19,792 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 05:11:19,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:11:19,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894750987] [2025-02-06 05:11:19,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894750987] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:11:19,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504649501] [2025-02-06 05:11:19,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:11:19,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:11:19,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:11:19,795 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 05:11:19,796 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 05:11:23,984 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-02-06 05:11:24,411 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-02-06 05:11:24,411 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:11:24,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:11:24,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 4578 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 05:11:24,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:11:24,543 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 05:11:24,543 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:11:24,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504649501] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:11:24,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:11:24,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2025-02-06 05:11:24,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008317231] [2025-02-06 05:11:24,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:11:24,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 05:11:24,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:11:24,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 05:11:24,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 05:11:24,548 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 05:11:24,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:11:24,764 INFO L93 Difference]: Finished difference Result 337 states and 430 transitions. [2025-02-06 05:11:24,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 05:11:24,768 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 05:11:24,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:11:24,773 INFO L225 Difference]: With dead ends: 337 [2025-02-06 05:11:24,773 INFO L226 Difference]: Without dead ends: 177 [2025-02-06 05:11:24,773 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 05:11:24,777 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 05:11:24,778 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 05:11:24,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2025-02-06 05:11:24,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2025-02-06 05:11:24,797 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 05:11:24,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 224 transitions. [2025-02-06 05:11:24,798 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 224 transitions. Word has length 157 [2025-02-06 05:11:24,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:11:24,799 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 224 transitions. [2025-02-06 05:11:24,799 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 05:11:24,799 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 224 transitions. [2025-02-06 05:11:24,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2025-02-06 05:11:24,801 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:11:24,802 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 05:11:24,822 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 05:11:25,002 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 05:11:25,003 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:11:25,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:11:25,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1034505422, now seen corresponding path program 1 times [2025-02-06 05:11:25,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:11:25,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226041398] [2025-02-06 05:11:25,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:11:25,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:11:28,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-02-06 05:11:28,701 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-02-06 05:11:28,702 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:11:28,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:11:31,869 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 05:11:31,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:11:31,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226041398] [2025-02-06 05:11:31,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226041398] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:11:31,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989949713] [2025-02-06 05:11:31,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:11:31,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:11:31,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:11:31,872 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 05:11:31,873 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 05:11:36,230 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-02-06 05:11:36,715 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-02-06 05:11:36,715 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:11:36,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:11:36,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 4586 conjuncts, 60 conjuncts are in the unsatisfiable core [2025-02-06 05:11:36,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:11:38,155 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 05:11:44,734 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 05:11:44,780 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 05:11:46,815 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 05:11:49,229 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 05:11:49,230 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:11:49,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989949713] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:11:49,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:11:49,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [10] total 26 [2025-02-06 05:11:49,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210554228] [2025-02-06 05:11:49,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:11:49,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-02-06 05:11:49,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:11:49,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-02-06 05:11:49,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=568, Unknown=0, NotChecked=0, Total=650 [2025-02-06 05:11:49,233 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 05:11:53,292 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 [0] [2025-02-06 05:11:57,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 05:12:02,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 05:12:06,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 05:12:10,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]