./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a2f0a82a50bc275c6e2e2ec318329147ea6f6c7b468577c521e1ed81fea6d241 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:13:59,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:13:59,938 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:13:59,941 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:13:59,941 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:13:59,964 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:13:59,965 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:13:59,965 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:13:59,965 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:13:59,965 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:13:59,965 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:13:59,965 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:13:59,965 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:13:59,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:13:59,965 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:13:59,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:13:59,966 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:13:59,966 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:13:59,966 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:13:59,966 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:13:59,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:13:59,966 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:13:59,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:13:59,966 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:13:59,966 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:13:59,966 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:13:59,966 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:13:59,966 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:13:59,966 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:13:59,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:13:59,968 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:13:59,968 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:13:59,968 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:13:59,968 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:13:59,968 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:13:59,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:13:59,968 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:13:59,968 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:13:59,968 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:13:59,968 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:13:59,968 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 -> a2f0a82a50bc275c6e2e2ec318329147ea6f6c7b468577c521e1ed81fea6d241 [2025-02-06 05:14:00,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:14:00,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:14:00,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:14:00,250 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:14:00,250 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:14:00,251 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i [2025-02-06 05:14:01,427 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5e46e9c8f/293a542b2bae40d2811d4063bbd7d299/FLAG0ce71182e [2025-02-06 05:14:02,057 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:14:02,058 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i [2025-02-06 05:14:02,096 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5e46e9c8f/293a542b2bae40d2811d4063bbd7d299/FLAG0ce71182e [2025-02-06 05:14:02,107 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5e46e9c8f/293a542b2bae40d2811d4063bbd7d299 [2025-02-06 05:14:02,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:14:02,112 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:14:02,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:14:02,116 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:14:02,120 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:14:02,121 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:14:02" (1/1) ... [2025-02-06 05:14:02,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f4c42be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:02, skipping insertion in model container [2025-02-06 05:14:02,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:14:02" (1/1) ... [2025-02-06 05:14:02,198 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:14:02,432 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.i[4495,4508] [2025-02-06 05:14:02,441 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.i[4555,4568] [2025-02-06 05:14:03,423 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:03,424 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:03,425 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:03,425 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:03,426 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:03,439 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:03,439 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:03,441 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:03,445 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:03,447 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:03,447 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:03,448 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:03,449 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,358 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,359 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,387 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,387 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,393 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,394 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,406 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,407 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,407 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,407 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,407 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,408 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,408 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,434 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.i[229734,229747] [2025-02-06 05:14:04,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:14:04,455 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:14:04,464 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.i[4495,4508] [2025-02-06 05:14:04,465 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i[4555,4568] [2025-02-06 05:14:04,488 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,488 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,488 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,489 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,489 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,492 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,493 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,493 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,494 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,494 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,494 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,495 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,495 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,538 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7576-7587] [2025-02-06 05:14:04,652 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,652 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,657 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,657 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,659 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,659 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,664 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,664 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,665 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,665 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,665 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,665 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,665 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:04,682 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.i[229734,229747] [2025-02-06 05:14:04,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:14:04,841 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:14:04,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:04 WrapperNode [2025-02-06 05:14:04,843 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:14:04,843 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:14:04,844 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:14:04,844 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:14:04,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:04" (1/1) ... [2025-02-06 05:14:04,907 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:04" (1/1) ... [2025-02-06 05:14:04,963 INFO L138 Inliner]: procedures = 764, calls = 2494, calls flagged for inlining = 70, calls inlined = 19, statements flattened = 1091 [2025-02-06 05:14:04,963 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:14:04,964 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:14:04,964 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:14:04,964 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:14:05,000 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:04" (1/1) ... [2025-02-06 05:14:05,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:04" (1/1) ... [2025-02-06 05:14:05,013 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:04" (1/1) ... [2025-02-06 05:14:05,097 INFO L175 MemorySlicer]: Split 368 memory accesses to 12 slices as follows [4, 2, 15, 243, 1, 2, 7, 72, 3, 2, 14, 3]. 66 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [0, 2, 0, 11, 0, 0, 0, 0, 0, 0, 10, 0]. The 256 writes are split as follows [2, 0, 1, 232, 1, 1, 3, 10, 3, 1, 0, 2]. [2025-02-06 05:14:05,097 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:04" (1/1) ... [2025-02-06 05:14:05,097 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:04" (1/1) ... [2025-02-06 05:14:05,138 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:04" (1/1) ... [2025-02-06 05:14:05,140 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:04" (1/1) ... [2025-02-06 05:14:05,153 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:04" (1/1) ... [2025-02-06 05:14:05,157 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:04" (1/1) ... [2025-02-06 05:14:05,166 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:14:05,167 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:14:05,167 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:14:05,167 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:14:05,167 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:04" (1/1) ... [2025-02-06 05:14:05,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:14:05,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:14:05,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 05:14:05,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 05:14:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-06 05:14:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-06 05:14:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-06 05:14:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-06 05:14:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-06 05:14:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-06 05:14:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-06 05:14:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-02-06 05:14:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-02-06 05:14:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-02-06 05:14:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-02-06 05:14:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2025-02-06 05:14:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-02-06 05:14:05,228 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-02-06 05:14:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-02-06 05:14:05,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-02-06 05:14:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:14:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:14:05,228 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:14:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2025-02-06 05:14:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2025-02-06 05:14:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2025-02-06 05:14:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2025-02-06 05:14:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2025-02-06 05:14:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2025-02-06 05:14:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2025-02-06 05:14:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2025-02-06 05:14:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2025-02-06 05:14:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2025-02-06 05:14:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2025-02-06 05:14:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2025-02-06 05:14:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:14:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:14:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:14:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:14:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:14:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:14:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 05:14:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 05:14:05,229 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:14:05,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-02-06 05:14:05,229 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-02-06 05:14:05,229 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-02-06 05:14:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-02-06 05:14:05,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-02-06 05:14:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-02-06 05:14:05,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-02-06 05:14:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-02-06 05:14:05,231 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-02-06 05:14:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:14:05,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:14:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:14:05,231 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:14:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-06 05:14:05,231 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-06 05:14:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:14:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:14:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:14:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:14:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:14:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:14:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 05:14:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-06 05:14:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-02-06 05:14:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-02-06 05:14:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-02-06 05:14:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-02-06 05:14:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-02-06 05:14:05,232 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-02-06 05:14:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:14:05,232 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:14:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:14:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-06 05:14:05,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-06 05:14:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:14:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:14:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:14:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:14:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:14:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 05:14:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 05:14:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-06 05:14:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-02-06 05:14:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-02-06 05:14:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-02-06 05:14:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-02-06 05:14:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-02-06 05:14:05,233 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-02-06 05:14:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:14:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:14:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:14:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:14:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:14:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:14:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 05:14:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-06 05:14:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-06 05:14:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 05:14:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2025-02-06 05:14:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-02-06 05:14:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-02-06 05:14:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-02-06 05:14:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2025-02-06 05:14:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-06 05:14:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:14:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:14:05,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 05:14:05,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-06 05:14:05,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-06 05:14:05,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-06 05:14:05,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-02-06 05:14:05,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-02-06 05:14:05,235 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-02-06 05:14:05,235 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-02-06 05:14:05,594 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:14:05,596 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:14:05,618 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947: havoc #t~malloc588.base, #t~malloc588.offset; [2025-02-06 05:14:05,637 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9154-1: assume false; [2025-02-06 05:14:05,637 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9154-1: assume !false; [2025-02-06 05:14:05,650 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-06 05:14:05,652 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 05:14:05,772 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9345: havoc #t~ret1203#1; [2025-02-06 05:14:05,888 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9658-1: assume false; [2025-02-06 05:14:05,888 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9658-1: assume !false; [2025-02-06 05:14:05,888 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9160-1: assume false; [2025-02-06 05:14:05,888 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9160-1: assume !false; [2025-02-06 05:14:05,906 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9115-1: assume false; [2025-02-06 05:14:05,906 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9115-1: assume !false; [2025-02-06 05:14:05,906 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7373: havoc uninterpreted_hasher_#t~ret689#1; [2025-02-06 05:14:05,938 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10121: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-02-06 05:14:05,945 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7406: havoc #t~ret690.base, #t~ret690.offset; [2025-02-06 05:14:05,963 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10008: havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~short1492;havoc #t~mem1493.base, #t~mem1493.offset;havoc #t~ret1494;havoc #t~short1495; [2025-02-06 05:14:05,965 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:14:05,979 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7356: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1; [2025-02-06 05:14:05,980 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7287: havoc nondet_compare_#t~ret677#1; [2025-02-06 05:14:05,980 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-02-06 05:14:05,986 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9141: havoc #t~ret1142; [2025-02-06 05:14:06,001 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-02-06 05:14:06,012 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-06 05:14:11,103 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6833: 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; [2025-02-06 05:14:11,103 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9692-1: assume false; [2025-02-06 05:14:11,103 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9692-1: assume !false; [2025-02-06 05:14:11,103 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6843: havoc hash_table_state_has_an_empty_slot_#t~mem571#1; [2025-02-06 05:14:11,103 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9709-1: assume false; [2025-02-06 05:14:11,104 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9709-1: assume !false; [2025-02-06 05:14:11,244 INFO L? ?]: Removed 314 outVars from TransFormulas that were not future-live. [2025-02-06 05:14:11,244 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:14:11,260 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:14:11,260 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:14:11,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:14:11 BoogieIcfgContainer [2025-02-06 05:14:11,261 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:14:11,262 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:14:11,262 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:14:11,265 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:14:11,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:14:02" (1/3) ... [2025-02-06 05:14:11,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45f966f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:14:11, skipping insertion in model container [2025-02-06 05:14:11,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:04" (2/3) ... [2025-02-06 05:14:11,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45f966f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:14:11, skipping insertion in model container [2025-02-06 05:14:11,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:14:11" (3/3) ... [2025-02-06 05:14:11,267 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_remove_harness.i [2025-02-06 05:14:11,276 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:14:11,277 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_remove_harness.i that has 28 procedures, 342 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-02-06 05:14:11,313 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:14:11,321 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;@56ad8b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:14:11,321 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 05:14:11,324 INFO L276 IsEmpty]: Start isEmpty. Operand has 342 states, 226 states have (on average 1.2831858407079646) internal successors, (290), 227 states have internal predecessors, (290), 87 states have call successors, (87), 27 states have call predecessors, (87), 27 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2025-02-06 05:14:11,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2025-02-06 05:14:11,334 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:14:11,335 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] [2025-02-06 05:14:11,335 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:14:11,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:14:11,338 INFO L85 PathProgramCache]: Analyzing trace with hash 590616680, now seen corresponding path program 1 times [2025-02-06 05:14:11,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:14:11,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953546933] [2025-02-06 05:14:11,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:14:11,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:14:15,848 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-02-06 05:14:16,180 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-02-06 05:14:16,181 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:14:16,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:14:16,660 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2025-02-06 05:14:16,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:14:16,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953546933] [2025-02-06 05:14:16,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953546933] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:14:16,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144403667] [2025-02-06 05:14:16,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:14:16,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:14:16,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:14:16,671 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:14:16,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 05:14:21,120 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-02-06 05:14:21,643 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-02-06 05:14:21,643 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:14:21,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:14:21,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 4563 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 05:14:21,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:14:21,741 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2025-02-06 05:14:21,741 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:14:21,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144403667] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:14:21,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:14:21,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 05:14:21,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914267998] [2025-02-06 05:14:21,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:14:21,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 05:14:21,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:14:21,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 05:14:21,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 05:14:21,766 INFO L87 Difference]: Start difference. First operand has 342 states, 226 states have (on average 1.2831858407079646) internal successors, (290), 227 states have internal predecessors, (290), 87 states have call successors, (87), 27 states have call predecessors, (87), 27 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 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) [2025-02-06 05:14:21,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:14:21,925 INFO L93 Difference]: Finished difference Result 678 states and 988 transitions. [2025-02-06 05:14:21,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 05:14:21,927 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 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 182 [2025-02-06 05:14:21,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:14:21,936 INFO L225 Difference]: With dead ends: 678 [2025-02-06 05:14:21,936 INFO L226 Difference]: Without dead ends: 334 [2025-02-06 05:14:21,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 05:14:21,944 INFO L435 NwaCegarLoop]: 444 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 05:14:21,945 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 444 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 05:14:21,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2025-02-06 05:14:21,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 334. [2025-02-06 05:14:21,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 219 states have (on average 1.2283105022831051) internal successors, (269), 221 states have internal predecessors, (269), 87 states have call successors, (87), 27 states have call predecessors, (87), 27 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 05:14:21,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 441 transitions. [2025-02-06 05:14:21,999 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 441 transitions. Word has length 182 [2025-02-06 05:14:22,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:14:22,000 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 441 transitions. [2025-02-06 05:14:22,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 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) [2025-02-06 05:14:22,001 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 441 transitions. [2025-02-06 05:14:22,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2025-02-06 05:14:22,004 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:14:22,005 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] [2025-02-06 05:14:22,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 05:14:22,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 05:14:22,210 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:14:22,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:14:22,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1666119189, now seen corresponding path program 1 times [2025-02-06 05:14:22,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:14:22,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17695393] [2025-02-06 05:14:22,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:14:22,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:14:26,627 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-02-06 05:14:26,726 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-02-06 05:14:26,728 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:14:26,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:14:27,762 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2025-02-06 05:14:27,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:14:27,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17695393] [2025-02-06 05:14:27,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17695393] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:14:27,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 05:14:27,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 05:14:27,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583363877] [2025-02-06 05:14:27,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:14:27,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 05:14:27,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:14:27,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 05:14:27,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 05:14:27,770 INFO L87 Difference]: Start difference. First operand 334 states and 441 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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) [2025-02-06 05:14:28,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:14:28,237 INFO L93 Difference]: Finished difference Result 631 states and 837 transitions. [2025-02-06 05:14:28,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 05:14:28,238 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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 182 [2025-02-06 05:14:28,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:14:28,241 INFO L225 Difference]: With dead ends: 631 [2025-02-06 05:14:28,242 INFO L226 Difference]: Without dead ends: 339 [2025-02-06 05:14:28,244 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 05:14:28,245 INFO L435 NwaCegarLoop]: 432 mSDtfsCounter, 0 mSDsluCounter, 1292 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1724 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 05:14:28,245 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1724 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 05:14:28,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2025-02-06 05:14:28,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2025-02-06 05:14:28,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 223 states have (on average 1.2242152466367713) internal successors, (273), 225 states have internal predecessors, (273), 87 states have call successors, (87), 27 states have call predecessors, (87), 28 states have return successors, (86), 86 states have call predecessors, (86), 85 states have call successors, (86) [2025-02-06 05:14:28,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 446 transitions. [2025-02-06 05:14:28,271 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 446 transitions. Word has length 182 [2025-02-06 05:14:28,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:14:28,272 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 446 transitions. [2025-02-06 05:14:28,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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) [2025-02-06 05:14:28,272 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 446 transitions. [2025-02-06 05:14:28,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2025-02-06 05:14:28,274 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:14:28,277 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] [2025-02-06 05:14:28,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 05:14:28,278 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:14:28,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:14:28,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1493454, now seen corresponding path program 1 times [2025-02-06 05:14:28,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:14:28,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165110472] [2025-02-06 05:14:28,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:14:28,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:14:32,244 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-02-06 05:14:32,376 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-02-06 05:14:32,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:14:32,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:14:35,674 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-02-06 05:14:35,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:14:35,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165110472] [2025-02-06 05:14:35,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165110472] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:14:35,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721156650] [2025-02-06 05:14:35,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:14:35,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:14:35,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:14:35,678 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:14:35,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 05:14:40,001 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-02-06 05:14:40,480 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-02-06 05:14:40,480 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:14:40,481 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:14:40,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 4567 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-02-06 05:14:40,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:14:42,261 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2025-02-06 05:14:42,261 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 05:14:44,670 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2025-02-06 05:14:44,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721156650] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-06 05:14:44,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-02-06 05:14:44,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10, 8] total 18 [2025-02-06 05:14:44,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821207135] [2025-02-06 05:14:44,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:14:44,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 05:14:44,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:14:44,672 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 05:14:44,672 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2025-02-06 05:14:44,672 INFO L87 Difference]: Start difference. First operand 339 states and 446 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2025-02-06 05:14:45,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:14:45,474 INFO L93 Difference]: Finished difference Result 345 states and 451 transitions. [2025-02-06 05:14:45,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 05:14:45,475 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 188 [2025-02-06 05:14:45,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:14:45,478 INFO L225 Difference]: With dead ends: 345 [2025-02-06 05:14:45,478 INFO L226 Difference]: Without dead ends: 343 [2025-02-06 05:14:45,479 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2025-02-06 05:14:45,479 INFO L435 NwaCegarLoop]: 432 mSDtfsCounter, 4 mSDsluCounter, 1276 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1708 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 05:14:45,480 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1708 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 05:14:45,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2025-02-06 05:14:45,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2025-02-06 05:14:45,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 226 states have (on average 1.2212389380530972) internal successors, (276), 228 states have internal predecessors, (276), 87 states have call successors, (87), 28 states have call predecessors, (87), 29 states have return successors, (86), 86 states have call predecessors, (86), 85 states have call successors, (86) [2025-02-06 05:14:45,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 449 transitions. [2025-02-06 05:14:45,502 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 449 transitions. Word has length 188 [2025-02-06 05:14:45,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:14:45,503 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 449 transitions. [2025-02-06 05:14:45,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2025-02-06 05:14:45,503 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 449 transitions. [2025-02-06 05:14:45,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-02-06 05:14:45,506 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:14:45,506 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:14:45,523 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 05:14:45,706 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 [2025-02-06 05:14:45,707 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:14:45,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:14:45,708 INFO L85 PathProgramCache]: Analyzing trace with hash -995323149, now seen corresponding path program 1 times [2025-02-06 05:14:45,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:14:45,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262552394] [2025-02-06 05:14:45,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:14:45,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:14:49,710 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-02-06 05:14:49,804 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-02-06 05:14:49,805 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:14:49,805 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:14:53,190 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-02-06 05:14:53,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:14:53,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262552394] [2025-02-06 05:14:53,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262552394] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:14:53,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717701376] [2025-02-06 05:14:53,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:14:53,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:14:53,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:14:53,194 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:14:53,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 05:14:57,446 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-02-06 05:14:57,877 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-02-06 05:14:57,877 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:14:57,877 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:14:57,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 4602 conjuncts, 37 conjuncts are in the unsatisfiable core [2025-02-06 05:14:57,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:14:58,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-02-06 05:15:07,829 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 [2025-02-06 05:15:09,103 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2025-02-06 05:15:09,103 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:15:09,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717701376] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:15:09,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:15:09,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [10] total 17 [2025-02-06 05:15:09,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606166381] [2025-02-06 05:15:09,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:15:09,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 05:15:09,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:15:09,108 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 05:15:09,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2025-02-06 05:15:09,109 INFO L87 Difference]: Start difference. First operand 343 states and 449 transitions. Second operand has 13 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 11 states have internal predecessors, (85), 7 states have call successors, (34), 4 states have call predecessors, (34), 5 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) [2025-02-06 05:15:18,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:15:18,198 INFO L93 Difference]: Finished difference Result 610 states and 805 transitions. [2025-02-06 05:15:18,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 05:15:18,199 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 11 states have internal predecessors, (85), 7 states have call successors, (34), 4 states have call predecessors, (34), 5 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) Word has length 202 [2025-02-06 05:15:18,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:15:18,205 INFO L225 Difference]: With dead ends: 610 [2025-02-06 05:15:18,205 INFO L226 Difference]: Without dead ends: 370 [2025-02-06 05:15:18,206 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 163 SyntacticMatches, 33 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2025-02-06 05:15:18,208 INFO L435 NwaCegarLoop]: 386 mSDtfsCounter, 358 mSDsluCounter, 3223 mSDsCounter, 0 mSdLazyCounter, 886 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 3609 SdHoareTripleChecker+Invalid, 946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2025-02-06 05:15:18,208 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 3609 Invalid, 946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 886 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2025-02-06 05:15:18,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2025-02-06 05:15:18,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 361. [2025-02-06 05:15:18,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 240 states have (on average 1.2166666666666666) internal successors, (292), 243 states have internal predecessors, (292), 87 states have call successors, (87), 31 states have call predecessors, (87), 33 states have return successors, (93), 86 states have call predecessors, (93), 85 states have call successors, (93) [2025-02-06 05:15:18,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 472 transitions. [2025-02-06 05:15:18,233 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 472 transitions. Word has length 202 [2025-02-06 05:15:18,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:15:18,235 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 472 transitions. [2025-02-06 05:15:18,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 11 states have internal predecessors, (85), 7 states have call successors, (34), 4 states have call predecessors, (34), 5 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) [2025-02-06 05:15:18,235 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 472 transitions. [2025-02-06 05:15:18,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2025-02-06 05:15:18,238 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:15:18,238 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:15:18,258 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 05:15:18,439 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 [2025-02-06 05:15:18,439 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:15:18,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:15:18,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1196470845, now seen corresponding path program 1 times [2025-02-06 05:15:18,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:15:18,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054006835] [2025-02-06 05:15:18,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:15:18,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:15:22,224 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 209 statements into 1 equivalence classes. [2025-02-06 05:15:22,328 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 209 of 209 statements. [2025-02-06 05:15:22,329 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:15:22,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:15:25,162 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2025-02-06 05:15:25,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:15:25,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054006835] [2025-02-06 05:15:25,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054006835] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:15:25,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074076110] [2025-02-06 05:15:25,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:15:25,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:15:25,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:15:25,165 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:15:25,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 05:15:29,917 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 209 statements into 1 equivalence classes. [2025-02-06 05:15:30,408 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 209 of 209 statements. [2025-02-06 05:15:30,408 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:15:30,408 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:15:30,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 4634 conjuncts, 61 conjuncts are in the unsatisfiable core [2025-02-06 05:15:30,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:15:31,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-02-06 05:15:31,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7