./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_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 190ae31efe96144321a53f6fa3a58be363d46a0faaff78a47cf06f9f2e955d78 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:50:47,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:50:47,395 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:50:47,401 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:50:47,402 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:50:47,423 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:50:47,424 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:50:47,424 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:50:47,425 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:50:47,425 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:50:47,426 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:50:47,426 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:50:47,426 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:50:47,426 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:50:47,426 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:50:47,427 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:50:47,427 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:50:47,427 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:50:47,427 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:50:47,427 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:50:47,427 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:50:47,427 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:50:47,427 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:50:47,427 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:50:47,427 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:50:47,428 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:50:47,428 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:50:47,428 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:50:47,428 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:50:47,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:50:47,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:50:47,428 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:50:47,428 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:50:47,429 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:50:47,429 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:50:47,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:50:47,429 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:50:47,429 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:50:47,429 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:50:47,429 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:50:47,429 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 -> 190ae31efe96144321a53f6fa3a58be363d46a0faaff78a47cf06f9f2e955d78 [2025-02-08 01:50:47,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:50:47,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:50:47,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:50:47,653 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:50:47,654 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:50:47,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness_negated.i [2025-02-08 01:50:48,847 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e38302735/5418737bc11545c7989d85ee66c0874f/FLAGbfbf06736 [2025-02-08 01:50:49,368 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:50:49,369 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness_negated.i [2025-02-08 01:50:49,409 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e38302735/5418737bc11545c7989d85ee66c0874f/FLAGbfbf06736 [2025-02-08 01:50:49,421 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e38302735/5418737bc11545c7989d85ee66c0874f [2025-02-08 01:50:49,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:50:49,424 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:50:49,425 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:50:49,425 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:50:49,427 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:50:49,428 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:50:49" (1/1) ... [2025-02-08 01:50:49,428 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42542904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:49, skipping insertion in model container [2025-02-08 01:50:49,429 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:50:49" (1/1) ... [2025-02-08 01:50:49,492 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:50:49,678 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_table_remove_harness_negated.i[4495,4508] [2025-02-08 01:50:49,687 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_table_remove_harness_negated.i[4555,4568] [2025-02-08 01:50:50,162 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,163 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,165 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,166 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,166 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,174 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,174 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,175 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,176 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,177 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,178 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,178 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,178 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,741 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,741 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,766 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,770 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,774 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,774 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,782 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,782 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,786 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,787 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,787 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,787 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,787 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,815 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_table_remove_harness_negated.i[230039,230052] [2025-02-08 01:50:50,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:50:50,834 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:50:50,844 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_table_remove_harness_negated.i[4495,4508] [2025-02-08 01:50:50,848 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_table_remove_harness_negated.i[4555,4568] [2025-02-08 01:50:50,882 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,882 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,882 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,882 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,883 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,887 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,887 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,888 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,888 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,888 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,889 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,889 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,889 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7544-7555] [2025-02-08 01:50:51,075 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:51,075 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:51,083 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:51,083 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:51,085 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:51,085 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:51,093 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:51,093 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:51,093 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:51,094 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:51,094 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:51,094 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:51,095 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:51,114 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_table_remove_harness_negated.i[230039,230052] [2025-02-08 01:50:51,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:50:51,283 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:50:51,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:51 WrapperNode [2025-02-08 01:50:51,284 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:50:51,285 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:50:51,285 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:50:51,285 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:50:51,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:51" (1/1) ... [2025-02-08 01:50:51,360 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:51" (1/1) ... [2025-02-08 01:50:51,427 INFO L138 Inliner]: procedures = 764, calls = 2494, calls flagged for inlining = 70, calls inlined = 19, statements flattened = 1091 [2025-02-08 01:50:51,428 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:50:51,428 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:50:51,429 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:50:51,429 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:50:51,436 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:51" (1/1) ... [2025-02-08 01:50:51,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:51" (1/1) ... [2025-02-08 01:50:51,442 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:51" (1/1) ... [2025-02-08 01:50:51,535 INFO L175 MemorySlicer]: Split 368 memory accesses to 12 slices as follows [2, 243, 4, 2, 14, 2, 3, 7, 72, 1, 15, 3]. 66 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 11, 0, 0, 10, 0, 0, 0, 0, 0, 0, 0]. The 256 writes are split as follows [0, 232, 2, 1, 0, 1, 3, 3, 10, 1, 1, 2]. [2025-02-08 01:50:51,536 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:51" (1/1) ... [2025-02-08 01:50:51,536 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:51" (1/1) ... [2025-02-08 01:50:51,565 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:51" (1/1) ... [2025-02-08 01:50:51,567 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:51" (1/1) ... [2025-02-08 01:50:51,577 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:51" (1/1) ... [2025-02-08 01:50:51,582 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:51" (1/1) ... [2025-02-08 01:50:51,603 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:50:51,604 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:50:51,604 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:50:51,604 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:50:51,605 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:51" (1/1) ... [2025-02-08 01:50:51,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:50:51,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:50:51,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 01:50:51,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 01:50:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-08 01:50:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-08 01:50:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-08 01:50:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-08 01:50:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-08 01:50:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-08 01:50:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-08 01:50:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-02-08 01:50:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-02-08 01:50:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-02-08 01:50:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-02-08 01:50:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2025-02-08 01:50:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-02-08 01:50:51,659 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-02-08 01:50:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-02-08 01:50:51,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-02-08 01:50:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:50:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:50:51,659 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:50:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2025-02-08 01:50:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2025-02-08 01:50:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2025-02-08 01:50:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2025-02-08 01:50:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2025-02-08 01:50:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2025-02-08 01:50:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2025-02-08 01:50:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2025-02-08 01:50:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:50:51,660 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:50:51,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:50:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-02-08 01:50:51,660 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-02-08 01:50:51,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:50:51,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:50:51,663 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-02-08 01:50:51,663 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-02-08 01:50:51,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:50:51,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:50:51,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:50:51,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:50:51,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:50:51,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:50:51,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 01:50:51,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-08 01:50:51,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-02-08 01:50:51,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-02-08 01:50:51,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-02-08 01:50:51,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-02-08 01:50:51,664 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-02-08 01:50:51,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-02-08 01:50:51,664 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-02-08 01:50:51,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-02-08 01:50:51,664 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-02-08 01:50:51,664 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:50:51,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:50:51,665 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-08 01:50:51,665 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-02-08 01:50:51,665 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:50:51,665 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-08 01:50:51,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-02-08 01:50:51,665 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:50:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:50:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:50:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 01:50:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-08 01:50:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-02-08 01:50:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-02-08 01:50:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-02-08 01:50:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-02-08 01:50:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:50:51,666 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:50:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-08 01:50:51,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-08 01:50:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-08 01:50:51,666 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-08 01:50:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:50:51,666 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:50:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2025-02-08 01:50:51,666 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2025-02-08 01:50:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:50:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:50:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:50:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:50:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:50:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:50:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 01:50:51,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-08 01:50:51,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-08 01:50:51,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-08 01:50:51,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-02-08 01:50:51,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-02-08 01:50:51,668 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-02-08 01:50:51,669 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-02-08 01:50:51,669 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-02-08 01:50:51,669 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-02-08 01:50:51,669 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-02-08 01:50:51,669 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-02-08 01:50:51,669 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2025-02-08 01:50:51,669 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2025-02-08 01:50:51,669 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-08 01:50:51,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-08 01:50:51,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:50:51,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:50:51,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:50:51,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:50:51,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:50:51,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:50:51,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 01:50:51,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-08 01:50:51,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-08 01:50:51,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-08 01:50:51,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-02-08 01:50:51,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-02-08 01:50:51,670 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-02-08 01:50:51,670 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-02-08 01:50:52,002 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:50:52,004 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:50:52,052 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc588.base, #t~malloc588.offset; [2025-02-08 01:50:52,074 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9122-1: assume false; [2025-02-08 01:50:52,075 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9122-1: assume !false; [2025-02-08 01:50:52,095 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-08 01:50:52,097 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:50:52,197 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9311: havoc #t~ret1203#1; [2025-02-08 01:50:52,281 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9128-1: assume false; [2025-02-08 01:50:52,281 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9128-1: assume !false; [2025-02-08 01:50:52,281 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9624-1: assume false; [2025-02-08 01:50:52,281 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9624-1: assume !false; [2025-02-08 01:50:52,297 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9083-1: assume false; [2025-02-08 01:50:52,297 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9083-1: assume !false; [2025-02-08 01:50:52,297 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7341: havoc uninterpreted_hasher_#t~ret689#1; [2025-02-08 01:50:52,339 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L10087: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-02-08 01:50:52,347 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7374: havoc #t~ret690.base, #t~ret690.offset; [2025-02-08 01:50:52,367 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9974: havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~short1492;havoc #t~mem1493.base, #t~mem1493.offset;havoc #t~ret1494;havoc #t~short1495; [2025-02-08 01:50:52,369 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:50:52,383 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1: #res#1 := #t~funptrres1581#1;havoc #t~funptrres1581#1;havoc #t~ret1582#1;havoc #t~ret1583#1; [2025-02-08 01:50:52,383 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7328: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1;#t~ret1583#1 := uninterpreted_equals_assert_inputs_nonnull_#res#1;havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1, uninterpreted_equals_assert_inputs_nonnull_~a#1.base, uninterpreted_equals_assert_inputs_nonnull_~a#1.offset, uninterpreted_equals_assert_inputs_nonnull_~b#1.base, uninterpreted_equals_assert_inputs_nonnull_~b#1.offset;havoc uninterpreted_equals_assert_inputs_nonnull_#in~a#1.base, uninterpreted_equals_assert_inputs_nonnull_#in~a#1.offset, uninterpreted_equals_assert_inputs_nonnull_#in~b#1.base, uninterpreted_equals_assert_inputs_nonnull_#in~b#1.offset;assume { :end_inline_uninterpreted_equals_assert_inputs_nonnull } true;#t~funptrres1581#1 := #t~ret1583#1; [2025-02-08 01:50:52,383 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ##fun~$Pointer$~X~$Pointer$~TO~intFINAL: assume true; [2025-02-08 01:50:52,384 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7271: havoc nondet_compare_#t~ret677#1;#t~ret1582#1 := nondet_compare_#res#1;havoc nondet_compare_#t~ret677#1, nondet_compare_~a#1.base, nondet_compare_~a#1.offset, nondet_compare_~b#1.base, nondet_compare_~b#1.offset;havoc nondet_compare_#in~a#1.base, nondet_compare_#in~a#1.offset, nondet_compare_#in~b#1.base, nondet_compare_#in~b#1.offset;assume { :end_inline_nondet_compare } true;assume -2147483648 <= #t~ret1582#1 && #t~ret1582#1 <= 2147483647;#t~funptrres1581#1 := #t~ret1582#1; [2025-02-08 01:50:52,384 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1;nondet_compare_#t~ret677#1 := nondet_int_#res#1;havoc nondet_int_#t~nondet5#1;assume { :end_inline_nondet_int } true;assume -2147483648 <= nondet_compare_#t~ret677#1 && nondet_compare_#t~ret677#1 <= 2147483647;nondet_compare_#res#1 := nondet_compare_#t~ret677#1;havoc nondet_compare_#t~ret677#1; [2025-02-08 01:50:52,392 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9109: havoc #t~ret1142; [2025-02-08 01:50:52,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-02-08 01:50:52,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-08 01:50:57,590 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9658-1: assume false; [2025-02-08 01:50:57,590 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9658-1: assume !false; [2025-02-08 01:50:57,590 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9675-1: assume false; [2025-02-08 01:50:57,590 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9675-1: assume !false; [2025-02-08 01:50:57,590 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6821: havoc aws_hash_table_has_an_empty_slot_#t~mem566#1.base, aws_hash_table_has_an_empty_slot_#t~mem566#1.offset;havoc aws_hash_table_has_an_empty_slot_#t~ret567#1; [2025-02-08 01:50:57,590 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6831: havoc hash_table_state_has_an_empty_slot_#t~mem571#1; [2025-02-08 01:50:57,809 INFO L? ?]: Removed 296 outVars from TransFormulas that were not future-live. [2025-02-08 01:50:57,810 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:50:57,835 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:50:57,835 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:50:57,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:50:57 BoogieIcfgContainer [2025-02-08 01:50:57,835 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:50:57,837 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:50:57,837 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:50:57,845 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:50:57,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:50:49" (1/3) ... [2025-02-08 01:50:57,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58987d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:50:57, skipping insertion in model container [2025-02-08 01:50:57,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:51" (2/3) ... [2025-02-08 01:50:57,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58987d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:50:57, skipping insertion in model container [2025-02-08 01:50:57,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:50:57" (3/3) ... [2025-02-08 01:50:57,851 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_remove_harness_negated.i [2025-02-08 01:50:57,875 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:50:57,876 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_remove_harness_negated.i that has 28 procedures, 331 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-02-08 01:50:57,944 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:50:57,952 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;@188a5ced, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:50:57,952 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:50:57,955 INFO L276 IsEmpty]: Start isEmpty. Operand has 330 states, 209 states have (on average 1.30622009569378) internal successors, (273), 215 states have internal predecessors, (273), 87 states have call successors, (87), 27 states have call predecessors, (87), 26 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2025-02-08 01:50:57,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2025-02-08 01:50:57,965 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:50:57,966 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:50:57,966 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:50:57,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:50:57,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1034488189, now seen corresponding path program 1 times [2025-02-08 01:50:57,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:50:57,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647949383] [2025-02-08 01:50:57,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:50:57,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:51:02,121 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-02-08 01:51:02,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-02-08 01:51:02,404 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:51:02,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:51:02,838 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2025-02-08 01:51:02,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:51:02,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647949383] [2025-02-08 01:51:02,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647949383] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:51:02,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20364361] [2025-02-08 01:51:02,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:51:02,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:51:02,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:51:02,842 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:51:02,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 01:51:07,226 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-02-08 01:51:07,744 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-02-08 01:51:07,745 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:51:07,745 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:51:07,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 4557 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 01:51:07,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:51:07,815 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2025-02-08 01:51:07,815 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:51:07,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20364361] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:51:07,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:51:07,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 01:51:07,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735563687] [2025-02-08 01:51:07,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:51:07,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 01:51:07,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:51:07,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 01:51:07,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:51:07,837 INFO L87 Difference]: Start difference. First operand has 330 states, 209 states have (on average 1.30622009569378) internal successors, (273), 215 states have internal predecessors, (273), 87 states have call successors, (87), 27 states have call predecessors, (87), 26 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-02-08 01:51:07,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:51:07,919 INFO L93 Difference]: Finished difference Result 594 states and 848 transitions. [2025-02-08 01:51:07,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 01:51:07,922 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 178 [2025-02-08 01:51:07,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:51:07,928 INFO L225 Difference]: With dead ends: 594 [2025-02-08 01:51:07,928 INFO L226 Difference]: Without dead ends: 233 [2025-02-08 01:51:07,933 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:51:07,935 INFO L435 NwaCegarLoop]: 345 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 01:51:07,935 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 345 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 01:51:07,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2025-02-08 01:51:07,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2025-02-08 01:51:07,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 149 states have (on average 1.2416107382550337) internal successors, (185), 153 states have internal predecessors, (185), 63 states have call successors, (63), 22 states have call predecessors, (63), 20 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2025-02-08 01:51:07,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 305 transitions. [2025-02-08 01:51:07,980 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 305 transitions. Word has length 178 [2025-02-08 01:51:07,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:51:07,981 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 305 transitions. [2025-02-08 01:51:07,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-02-08 01:51:07,981 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 305 transitions. [2025-02-08 01:51:07,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2025-02-08 01:51:07,983 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:51:07,983 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:51:08,005 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 01:51:08,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-08 01:51:08,184 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:51:08,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:51:08,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1053101730, now seen corresponding path program 1 times [2025-02-08 01:51:08,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:51:08,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042215997] [2025-02-08 01:51:08,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:51:08,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:51:11,999 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-02-08 01:51:12,100 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-02-08 01:51:12,101 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:51:12,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:51:13,005 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2025-02-08 01:51:13,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:51:13,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042215997] [2025-02-08 01:51:13,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042215997] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:51:13,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 01:51:13,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 01:51:13,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034462712] [2025-02-08 01:51:13,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:51:13,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 01:51:13,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:51:13,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 01:51:13,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 01:51:13,007 INFO L87 Difference]: Start difference. First operand 233 states and 305 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2025-02-08 01:51:13,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:51:13,235 INFO L93 Difference]: Finished difference Result 435 states and 573 transitions. [2025-02-08 01:51:13,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 01:51:13,236 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 178 [2025-02-08 01:51:13,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:51:13,242 INFO L225 Difference]: With dead ends: 435 [2025-02-08 01:51:13,242 INFO L226 Difference]: Without dead ends: 233 [2025-02-08 01:51:13,243 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 01:51:13,244 INFO L435 NwaCegarLoop]: 298 mSDtfsCounter, 0 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 01:51:13,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 891 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 01:51:13,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2025-02-08 01:51:13,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2025-02-08 01:51:13,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 149 states have (on average 1.2348993288590604) internal successors, (184), 153 states have internal predecessors, (184), 63 states have call successors, (63), 22 states have call predecessors, (63), 20 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2025-02-08 01:51:13,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 304 transitions. [2025-02-08 01:51:13,257 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 304 transitions. Word has length 178 [2025-02-08 01:51:13,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:51:13,257 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 304 transitions. [2025-02-08 01:51:13,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2025-02-08 01:51:13,258 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 304 transitions. [2025-02-08 01:51:13,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2025-02-08 01:51:13,259 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:51:13,260 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:51:13,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 01:51:13,260 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:51:13,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:51:13,260 INFO L85 PathProgramCache]: Analyzing trace with hash 697285638, now seen corresponding path program 1 times [2025-02-08 01:51:13,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:51:13,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372464780] [2025-02-08 01:51:13,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:51:13,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:51:17,130 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-02-08 01:51:17,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-02-08 01:51:17,252 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:51:17,252 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:51:20,767 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-02-08 01:51:20,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:51:20,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372464780] [2025-02-08 01:51:20,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372464780] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:51:20,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650029738] [2025-02-08 01:51:20,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:51:20,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:51:20,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:51:20,770 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:51:20,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 01:51:24,863 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-02-08 01:51:25,318 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-02-08 01:51:25,319 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:51:25,319 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:51:25,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 4651 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 01:51:25,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:51:25,818 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2025-02-08 01:51:25,819 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:51:25,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650029738] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:51:25,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:51:25,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2025-02-08 01:51:25,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674645400] [2025-02-08 01:51:25,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:51:25,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 01:51:25,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:51:25,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 01:51:25,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2025-02-08 01:51:25,823 INFO L87 Difference]: Start difference. First operand 233 states and 304 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2025-02-08 01:51:26,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:51:26,019 INFO L93 Difference]: Finished difference Result 435 states and 572 transitions. [2025-02-08 01:51:26,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 01:51:26,021 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 189 [2025-02-08 01:51:26,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:51:26,025 INFO L225 Difference]: With dead ends: 435 [2025-02-08 01:51:26,025 INFO L226 Difference]: Without dead ends: 233 [2025-02-08 01:51:26,027 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2025-02-08 01:51:26,028 INFO L435 NwaCegarLoop]: 297 mSDtfsCounter, 0 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 01:51:26,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 888 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 01:51:26,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2025-02-08 01:51:26,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2025-02-08 01:51:26,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 149 states have (on average 1.2281879194630871) internal successors, (183), 153 states have internal predecessors, (183), 63 states have call successors, (63), 22 states have call predecessors, (63), 20 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2025-02-08 01:51:26,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 303 transitions. [2025-02-08 01:51:26,055 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 303 transitions. Word has length 189 [2025-02-08 01:51:26,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:51:26,055 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 303 transitions. [2025-02-08 01:51:26,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2025-02-08 01:51:26,055 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 303 transitions. [2025-02-08 01:51:26,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2025-02-08 01:51:26,059 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:51:26,060 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:51:26,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 01:51:26,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:51:26,264 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:51:26,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:51:26,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1123840136, now seen corresponding path program 1 times [2025-02-08 01:51:26,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:51:26,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602459250] [2025-02-08 01:51:26,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:51:26,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:51:30,036 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-02-08 01:51:30,201 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-02-08 01:51:30,201 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:51:30,201 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:51:33,049 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-02-08 01:51:33,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:51:33,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602459250] [2025-02-08 01:51:33,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602459250] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:51:33,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582954107] [2025-02-08 01:51:33,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:51:33,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:51:33,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:51:33,055 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:51:33,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 01:51:37,632 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-02-08 01:51:38,088 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-02-08 01:51:38,088 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:51:38,088 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:51:38,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 4652 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-02-08 01:51:38,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:51:38,728 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 [2025-02-08 01:51:47,353 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 16 treesize of output 8 [2025-02-08 01:51:48,618 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2025-02-08 01:51:48,618 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:51:48,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582954107] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:51:48,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:51:48,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [10] total 17 [2025-02-08 01:51:48,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202359775] [2025-02-08 01:51:48,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:51:48,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 01:51:48,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:51:48,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 01:51:48,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2025-02-08 01:51:48,621 INFO L87 Difference]: Start difference. First operand 233 states and 303 transitions. Second operand has 13 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 7 states have call successors, (33), 4 states have call predecessors, (33), 5 states have return successors, (31), 6 states have call predecessors, (31), 6 states have call successors, (31) [2025-02-08 01:51:52,693 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 [] [2025-02-08 01:51:57,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.51s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 01:52:07,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:52:07,491 INFO L93 Difference]: Finished difference Result 400 states and 524 transitions. [2025-02-08 01:52:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 01:52:07,491 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 7 states have call successors, (33), 4 states have call predecessors, (33), 5 states have return successors, (31), 6 states have call predecessors, (31), 6 states have call successors, (31) Word has length 189 [2025-02-08 01:52:07,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:52:07,499 INFO L225 Difference]: With dead ends: 400 [2025-02-08 01:52:07,499 INFO L226 Difference]: Without dead ends: 253 [2025-02-08 01:52:07,501 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 150 SyntacticMatches, 33 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2025-02-08 01:52:07,502 INFO L435 NwaCegarLoop]: 260 mSDtfsCounter, 231 mSDsluCounter, 2120 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 43 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 2380 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 660 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2025-02-08 01:52:07,502 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 2380 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 660 Invalid, 2 Unknown, 0 Unchecked, 17.4s Time] [2025-02-08 01:52:07,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2025-02-08 01:52:07,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 251. [2025-02-08 01:52:07,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 163 states have (on average 1.2208588957055215) internal successors, (199), 168 states have internal predecessors, (199), 63 states have call successors, (63), 25 states have call predecessors, (63), 24 states have return successors, (63), 57 states have call predecessors, (63), 57 states have call successors, (63) [2025-02-08 01:52:07,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 325 transitions. [2025-02-08 01:52:07,567 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 325 transitions. Word has length 189 [2025-02-08 01:52:07,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:52:07,568 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 325 transitions. [2025-02-08 01:52:07,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 7 states have call successors, (33), 4 states have call predecessors, (33), 5 states have return successors, (31), 6 states have call predecessors, (31), 6 states have call successors, (31) [2025-02-08 01:52:07,568 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 325 transitions. [2025-02-08 01:52:07,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2025-02-08 01:52:07,577 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:52:07,577 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:52:07,609 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 01:52:07,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:52:07,779 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:52:07,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:52:07,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1898489608, now seen corresponding path program 1 times [2025-02-08 01:52:07,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:52:07,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647613840] [2025-02-08 01:52:07,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:52:07,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:52:11,809 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-02-08 01:52:11,874 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-02-08 01:52:11,874 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:52:11,874 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:52:15,081 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2025-02-08 01:52:15,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:52:15,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647613840] [2025-02-08 01:52:15,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647613840] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:52:15,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84362917] [2025-02-08 01:52:15,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:52:15,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:52:15,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:52:15,084 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:52:15,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 01:52:19,625 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-02-08 01:52:20,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-02-08 01:52:20,095 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:52:20,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:52:20,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 4684 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-02-08 01:52:20,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:52:20,883 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