./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 30091377e4ec06a93ce8980a411bd57ff29d691a2fbe3a2d6828a70c9a775d29 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:48:57,339 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:48:57,392 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:48:57,397 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:48:57,399 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:48:57,422 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:48:57,423 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:48:57,423 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:48:57,423 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:48:57,423 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:48:57,424 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:48:57,424 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:48:57,424 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:48:57,424 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:48:57,425 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:48:57,425 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:48:57,425 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:48:57,425 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:48:57,425 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:48:57,425 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:48:57,426 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:48:57,426 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:48:57,426 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:48:57,426 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:48:57,426 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:48:57,426 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:48:57,426 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:48:57,426 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:48:57,426 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:48:57,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:48:57,427 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:48:57,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:48:57,427 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:48:57,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:48:57,427 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:48:57,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:48:57,427 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:48:57,427 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:48:57,427 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:48:57,427 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:48:57,427 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 -> 30091377e4ec06a93ce8980a411bd57ff29d691a2fbe3a2d6828a70c9a775d29 [2025-02-08 01:48:57,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:48:57,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:48:57,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:48:57,700 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:48:57,700 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:48:57,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness_negated.i [2025-02-08 01:48:58,931 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/deb865afd/eb76d108d4124dd9b9c3538ed24bb78d/FLAGbaaa8821a [2025-02-08 01:48:59,404 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:48:59,404 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness_negated.i [2025-02-08 01:48:59,433 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/deb865afd/eb76d108d4124dd9b9c3538ed24bb78d/FLAGbaaa8821a [2025-02-08 01:48:59,445 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/deb865afd/eb76d108d4124dd9b9c3538ed24bb78d [2025-02-08 01:48:59,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:48:59,448 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:48:59,449 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:48:59,449 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:48:59,451 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:48:59,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:48:59" (1/1) ... [2025-02-08 01:48:59,453 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7db54a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:48:59, skipping insertion in model container [2025-02-08 01:48:59,453 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:48:59" (1/1) ... [2025-02-08 01:48:59,515 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:48:59,698 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_eq_harness_negated.i[4491,4504] [2025-02-08 01:48:59,706 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_eq_harness_negated.i[4551,4564] [2025-02-08 01:49:00,966 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:00,967 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:00,967 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:00,967 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:00,968 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:00,977 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:00,978 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:00,979 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:00,980 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:00,981 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:00,981 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:00,982 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:00,982 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,102 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,102 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,116 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,117 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,121 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,121 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,130 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,131 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,132 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,132 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,132 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,132 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,132 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,159 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_eq_harness_negated.i[228442,228455] [2025-02-08 01:49:02,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:49:02,184 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:49:02,194 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_eq_harness_negated.i[4491,4504] [2025-02-08 01:49:02,195 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_eq_harness_negated.i[4551,4564] [2025-02-08 01:49:02,227 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,228 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,228 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,228 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,229 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,232 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,233 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,233 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,233 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,234 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,234 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,235 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,235 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,281 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2025-02-08 01:49:02,369 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,369 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,374 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,376 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,378 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,379 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,383 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,385 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,385 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,385 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,385 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,386 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,387 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:02,401 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_eq_harness_negated.i[228442,228455] [2025-02-08 01:49:02,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:49:02,544 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:49:02,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:02 WrapperNode [2025-02-08 01:49:02,545 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:49:02,546 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:49:02,546 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:49:02,546 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:49:02,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:02" (1/1) ... [2025-02-08 01:49:02,612 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:02" (1/1) ... [2025-02-08 01:49:02,672 INFO L138 Inliner]: procedures = 763, calls = 2450, calls flagged for inlining = 69, calls inlined = 18, statements flattened = 968 [2025-02-08 01:49:02,673 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:49:02,673 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:49:02,673 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:49:02,673 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:49:02,683 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:02" (1/1) ... [2025-02-08 01:49:02,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:02" (1/1) ... [2025-02-08 01:49:02,689 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:02" (1/1) ... [2025-02-08 01:49:02,756 INFO L175 MemorySlicer]: Split 320 memory accesses to 11 slices as follows [5, 238, 2, 6, 2, 13, 39, 3, 4, 3, 5]. 74 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [1, 6, 2, 0, 0, 0, 0, 0, 0, 0, 5]. The 250 writes are split as follows [2, 232, 0, 2, 1, 1, 5, 3, 3, 1, 0]. [2025-02-08 01:49:02,756 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:02" (1/1) ... [2025-02-08 01:49:02,757 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:02" (1/1) ... [2025-02-08 01:49:02,796 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:02" (1/1) ... [2025-02-08 01:49:02,798 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:02" (1/1) ... [2025-02-08 01:49:02,805 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:02" (1/1) ... [2025-02-08 01:49:02,809 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:02" (1/1) ... [2025-02-08 01:49:02,822 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:49:02,823 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:49:02,823 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:49:02,823 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:49:02,823 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:02" (1/1) ... [2025-02-08 01:49:02,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:49:02,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:49:02,851 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 01:49:02,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 01:49:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-08 01:49:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-08 01:49:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-08 01:49:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-08 01:49:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-08 01:49:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-08 01:49:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-08 01:49:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-02-08 01:49:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-02-08 01:49:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-02-08 01:49:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-02-08 01:49:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-02-08 01:49:02,875 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-02-08 01:49:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_hash_table [2025-02-08 01:49:02,875 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_hash_table [2025-02-08 01:49:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-02-08 01:49:02,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-02-08 01:49:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:49:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_get_entry_count [2025-02-08 01:49:02,876 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_get_entry_count [2025-02-08 01:49:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:49:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:49:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:49:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:49:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:49:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:49:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 01:49:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-08 01:49:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-02-08 01:49:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-02-08 01:49:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-02-08 01:49:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:49:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:49:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:49:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:49:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:49:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:49:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 01:49:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-08 01:49:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-08 01:49:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-08 01:49:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-02-08 01:49:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:49:02,877 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:49:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:49:02,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:49:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-02-08 01:49:02,877 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-02-08 01:49:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:49:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:49:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-02-08 01:49:02,877 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-02-08 01:49:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-02-08 01:49:02,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-02-08 01:49:02,878 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:49:02,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:49:02,878 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-08 01:49:02,878 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-02-08 01:49:02,878 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:49:02,878 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:49:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-08 01:49:02,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-08 01:49:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:49:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:49:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:49:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:49:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:49:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:49:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 01:49:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-08 01:49:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-02-08 01:49:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-02-08 01:49:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-02-08 01:49:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-02-08 01:49:02,881 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_allocated_hash_table [2025-02-08 01:49:02,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_allocated_hash_table [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-08 01:49:02,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-08 01:49:02,882 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:49:02,882 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure check_hash_table_unchanged [2025-02-08 01:49:02,882 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hash_table_unchanged [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-02-08 01:49:02,882 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-08 01:49:02,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 01:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-08 01:49:02,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-08 01:49:02,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-08 01:49:02,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-02-08 01:49:02,883 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-02-08 01:49:02,883 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-02-08 01:49:03,188 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:49:03,190 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:49:03,223 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc588.base, #t~malloc588.offset; [2025-02-08 01:49:03,257 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9104-1: assume false; [2025-02-08 01:49:03,257 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9104-1: assume !false; [2025-02-08 01:49:03,289 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-08 01:49:03,293 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:49:03,423 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9293: havoc #t~ret1201#1; [2025-02-08 01:49:03,463 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7186: havoc save_byte_from_array_#t~mem634#1;call save_byte_from_array_#t~mem635#1 := read~int#3(save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8);call save_byte_from_array_#t~mem636#1 := read~int#6(save_byte_from_array_~array#1.base, save_byte_from_array_~array#1.offset + (if save_byte_from_array_#t~mem635#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then save_byte_from_array_#t~mem635#1 % 18446744073709551616 % 18446744073709551616 else save_byte_from_array_#t~mem635#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616), 1);call write~int#3(save_byte_from_array_#t~mem636#1, save_byte_from_array_~storage#1.base, 8 + save_byte_from_array_~storage#1.offset, 1);havoc save_byte_from_array_#t~mem635#1;havoc save_byte_from_array_#t~mem636#1; [2025-02-08 01:49:03,464 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7186-1: SUMMARY for call assume_abort_if_not((if 0 == (if save_byte_from_array_#t~mem634#1 % 18446744073709551616 < save_byte_from_array_~size#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:49:03,464 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1;save_byte_from_array_#t~ret633#1 := nondet_size_t_#res#1;havoc nondet_size_t_#t~nondet6#1;assume { :end_inline_nondet_size_t } true;call write~int#3(save_byte_from_array_#t~ret633#1, save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8);havoc save_byte_from_array_#t~ret633#1;call save_byte_from_array_#t~mem634#1 := read~int#3(save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8); [2025-02-08 01:49:03,489 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7341: havoc uninterpreted_hasher_#t~ret689#1; [2025-02-08 01:49:03,489 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9065-1: assume false; [2025-02-08 01:49:03,489 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9065-1: assume !false; [2025-02-08 01:49:03,532 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L10069: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-02-08 01:49:03,545 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9956: havoc #t~mem1489.base, #t~mem1489.offset;havoc #t~short1490;havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~ret1492;havoc #t~short1493; [2025-02-08 01:49:03,548 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9114: havoc #t~mem1150; [2025-02-08 01:49:03,572 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7328-2: uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1 := uninterpreted_equals_#res#1;havoc uninterpreted_equals_#t~ret683#1, uninterpreted_equals_#t~ret684#1, uninterpreted_equals_#t~ret685#1, uninterpreted_equals_#t~ret686#1, uninterpreted_equals_~a#1.base, uninterpreted_equals_~a#1.offset, uninterpreted_equals_~b#1.base, uninterpreted_equals_~b#1.offset, uninterpreted_equals_~rval~9#1;havoc uninterpreted_equals_#in~a#1.base, uninterpreted_equals_#in~a#1.offset, uninterpreted_equals_#in~b#1.base, uninterpreted_equals_#in~b#1.offset;assume { :end_inline_uninterpreted_equals } true;uninterpreted_equals_assert_inputs_nonnull_#res#1 := (if 0 == uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1 % 256 then 0 else 1);havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1; [2025-02-08 01:49:03,572 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1: #res#1 := #t~funptrres1547#1;havoc #t~funptrres1547#1;havoc #t~ret1548#1;havoc #t~ret1549#1; [2025-02-08 01:49:03,572 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7328: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1;#t~ret1549#1 := uninterpreted_equals_assert_inputs_nonnull_#res#1;havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1, uninterpreted_equals_assert_inputs_nonnull_~a#1.base, uninterpreted_equals_assert_inputs_nonnull_~a#1.offset, uninterpreted_equals_assert_inputs_nonnull_~b#1.base, uninterpreted_equals_assert_inputs_nonnull_~b#1.offset;havoc uninterpreted_equals_assert_inputs_nonnull_#in~a#1.base, uninterpreted_equals_assert_inputs_nonnull_#in~a#1.offset, uninterpreted_equals_assert_inputs_nonnull_#in~b#1.base, uninterpreted_equals_assert_inputs_nonnull_#in~b#1.offset;assume { :end_inline_uninterpreted_equals_assert_inputs_nonnull } true;#t~funptrres1547#1 := #t~ret1549#1; [2025-02-08 01:49:03,573 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ##fun~$Pointer$~X~$Pointer$~TO~intFINAL: assume true; [2025-02-08 01:49:03,573 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7271: havoc nondet_compare_#t~ret677#1;#t~ret1548#1 := nondet_compare_#res#1;havoc nondet_compare_#t~ret677#1, nondet_compare_~a#1.base, nondet_compare_~a#1.offset, nondet_compare_~b#1.base, nondet_compare_~b#1.offset;havoc nondet_compare_#in~a#1.base, nondet_compare_#in~a#1.offset, nondet_compare_#in~b#1.base, nondet_compare_#in~b#1.offset;assume { :end_inline_nondet_compare } true;assume -2147483648 <= #t~ret1548#1 && #t~ret1548#1 <= 2147483647;#t~funptrres1547#1 := #t~ret1548#1; [2025-02-08 01:49:03,573 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1;nondet_compare_#t~ret677#1 := nondet_int_#res#1;havoc nondet_int_#t~nondet5#1;assume { :end_inline_nondet_int } true;assume -2147483648 <= nondet_compare_#t~ret677#1 && nondet_compare_#t~ret677#1 <= 2147483647;nondet_compare_#res#1 := nondet_compare_#t~ret677#1;havoc nondet_compare_#t~ret677#1; [2025-02-08 01:49:03,594 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9091: havoc #t~ret1140; [2025-02-08 01:49:03,614 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-02-08 01:49:03,631 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-08 01:49:08,735 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9739-1: assume false; [2025-02-08 01:49:08,735 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9739-1: assume !false; [2025-02-08 01:49:08,735 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9376-1: assume false; [2025-02-08 01:49:08,735 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9376-1: assume !false; [2025-02-08 01:49:08,735 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9715-1: assume false; [2025-02-08 01:49:08,736 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9715-1: assume !false; [2025-02-08 01:49:08,736 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9750-1: assume false; [2025-02-08 01:49:08,736 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9750-1: assume !false; [2025-02-08 01:49:08,736 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9745-1: assume false; [2025-02-08 01:49:08,736 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9745-1: assume !false; [2025-02-08 01:49:08,811 INFO L? ?]: Removed 277 outVars from TransFormulas that were not future-live. [2025-02-08 01:49:08,811 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:49:08,833 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:49:08,835 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:49:08,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:49:08 BoogieIcfgContainer [2025-02-08 01:49:08,835 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:49:08,837 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:49:08,838 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:49:08,842 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:49:08,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:48:59" (1/3) ... [2025-02-08 01:49:08,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30d19321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:49:08, skipping insertion in model container [2025-02-08 01:49:08,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:02" (2/3) ... [2025-02-08 01:49:08,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30d19321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:49:08, skipping insertion in model container [2025-02-08 01:49:08,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:49:08" (3/3) ... [2025-02-08 01:49:08,844 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_eq_harness_negated.i [2025-02-08 01:49:08,856 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:49:08,857 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_eq_harness_negated.i that has 25 procedures, 306 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-02-08 01:49:08,914 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:49:08,921 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;@1ed28427, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:49:08,921 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:49:08,924 INFO L276 IsEmpty]: Start isEmpty. Operand has 305 states, 184 states have (on average 1.298913043478261) internal successors, (239), 192 states have internal predecessors, (239), 88 states have call successors, (88), 24 states have call predecessors, (88), 23 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2025-02-08 01:49:08,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2025-02-08 01:49:08,934 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:49:08,935 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:49:08,936 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:49:08,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:49:08,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1828791213, now seen corresponding path program 1 times [2025-02-08 01:49:08,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:49:08,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941029300] [2025-02-08 01:49:08,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:49:08,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:49:13,722 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 289 statements into 1 equivalence classes. [2025-02-08 01:49:14,042 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 289 of 289 statements. [2025-02-08 01:49:14,042 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:49:14,042 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:49:14,624 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 772 trivial. 0 not checked. [2025-02-08 01:49:14,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:49:14,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941029300] [2025-02-08 01:49:14,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941029300] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:49:14,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388947166] [2025-02-08 01:49:14,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:49:14,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:49:14,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:49:14,632 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:49:14,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 01:49:19,212 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 289 statements into 1 equivalence classes. [2025-02-08 01:49:19,743 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 289 of 289 statements. [2025-02-08 01:49:19,743 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:49:19,743 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:49:19,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 5304 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 01:49:19,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:49:19,813 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 776 trivial. 0 not checked. [2025-02-08 01:49:19,813 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:49:19,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388947166] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:49:19,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:49:19,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 01:49:19,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407428636] [2025-02-08 01:49:19,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:49:19,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 01:49:19,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:49:19,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 01:49:19,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:49:19,836 INFO L87 Difference]: Start difference. First operand has 305 states, 184 states have (on average 1.298913043478261) internal successors, (239), 192 states have internal predecessors, (239), 88 states have call successors, (88), 24 states have call predecessors, (88), 23 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 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2025-02-08 01:49:19,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:49:19,928 INFO L93 Difference]: Finished difference Result 567 states and 822 transitions. [2025-02-08 01:49:19,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 01:49:19,930 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 289 [2025-02-08 01:49:19,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:49:19,940 INFO L225 Difference]: With dead ends: 567 [2025-02-08 01:49:19,940 INFO L226 Difference]: Without dead ends: 230 [2025-02-08 01:49:19,950 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:49:19,953 INFO L435 NwaCegarLoop]: 342 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 01:49:19,956 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 342 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 01:49:19,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2025-02-08 01:49:20,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2025-02-08 01:49:20,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 144 states have (on average 1.2361111111111112) internal successors, (178), 149 states have internal predecessors, (178), 65 states have call successors, (65), 21 states have call predecessors, (65), 20 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2025-02-08 01:49:20,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 302 transitions. [2025-02-08 01:49:20,014 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 302 transitions. Word has length 289 [2025-02-08 01:49:20,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:49:20,016 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 302 transitions. [2025-02-08 01:49:20,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2025-02-08 01:49:20,017 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 302 transitions. [2025-02-08 01:49:20,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2025-02-08 01:49:20,024 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:49:20,025 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:49:20,042 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 01:49:20,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-08 01:49:20,226 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:49:20,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:49:20,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1157507250, now seen corresponding path program 1 times [2025-02-08 01:49:20,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:49:20,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069481286] [2025-02-08 01:49:20,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:49:20,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:49:24,254 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 289 statements into 1 equivalence classes. [2025-02-08 01:49:24,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 289 of 289 statements. [2025-02-08 01:49:24,373 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:49:24,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:49:25,407 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 790 trivial. 0 not checked. [2025-02-08 01:49:25,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:49:25,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069481286] [2025-02-08 01:49:25,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069481286] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:49:25,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385416138] [2025-02-08 01:49:25,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:49:25,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:49:25,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:49:25,417 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:49:25,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 01:49:30,062 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 289 statements into 1 equivalence classes. [2025-02-08 01:49:30,537 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 289 of 289 statements. [2025-02-08 01:49:30,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:49:30,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:49:30,566 INFO L256 TraceCheckSpWp]: Trace formula consists of 5304 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 01:49:30,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:49:31,754 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 767 trivial. 0 not checked. [2025-02-08 01:49:31,754 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:49:31,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385416138] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:49:31,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:49:31,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [4] total 10 [2025-02-08 01:49:31,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368246746] [2025-02-08 01:49:31,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:49:31,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 01:49:31,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:49:31,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 01:49:31,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-02-08 01:49:31,756 INFO L87 Difference]: Start difference. First operand 230 states and 302 transitions. Second operand has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2025-02-08 01:49:34,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:49:34,470 INFO L93 Difference]: Finished difference Result 239 states and 310 transitions. [2025-02-08 01:49:34,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 01:49:34,471 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 289 [2025-02-08 01:49:34,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:49:34,474 INFO L225 Difference]: With dead ends: 239 [2025-02-08 01:49:34,474 INFO L226 Difference]: Without dead ends: 232 [2025-02-08 01:49:34,474 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2025-02-08 01:49:34,475 INFO L435 NwaCegarLoop]: 279 mSDtfsCounter, 29 mSDsluCounter, 1560 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 1839 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2025-02-08 01:49:34,475 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 1839 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2025-02-08 01:49:34,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2025-02-08 01:49:34,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 230. [2025-02-08 01:49:34,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 144 states have (on average 1.2291666666666667) internal successors, (177), 149 states have internal predecessors, (177), 65 states have call successors, (65), 21 states have call predecessors, (65), 20 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2025-02-08 01:49:34,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 301 transitions. [2025-02-08 01:49:34,487 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 301 transitions. Word has length 289 [2025-02-08 01:49:34,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:49:34,488 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 301 transitions. [2025-02-08 01:49:34,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2025-02-08 01:49:34,489 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 301 transitions. [2025-02-08 01:49:34,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2025-02-08 01:49:34,493 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:49:34,494 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:49:34,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-08 01:49:34,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:49:34,695 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:49:34,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:49:34,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1288123997, now seen corresponding path program 1 times [2025-02-08 01:49:34,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:49:34,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109461922] [2025-02-08 01:49:34,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:49:34,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:49:38,584 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 293 statements into 1 equivalence classes. [2025-02-08 01:49:38,713 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 293 of 293 statements. [2025-02-08 01:49:38,714 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:49:38,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:49:39,596 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 790 trivial. 0 not checked. [2025-02-08 01:49:39,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:49:39,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109461922] [2025-02-08 01:49:39,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109461922] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:49:39,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669962825] [2025-02-08 01:49:39,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:49:39,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:49:39,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:49:39,599 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:49:39,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 01:49:44,330 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 293 statements into 1 equivalence classes. [2025-02-08 01:49:44,838 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 293 of 293 statements. [2025-02-08 01:49:44,839 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:49:44,839 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:49:44,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 5315 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 01:49:44,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:49:45,969 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 767 trivial. 0 not checked. [2025-02-08 01:49:45,969 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:49:45,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669962825] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:49:45,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:49:45,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [4] total 10 [2025-02-08 01:49:45,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583903362] [2025-02-08 01:49:45,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:49:45,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 01:49:45,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:49:45,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 01:49:45,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-02-08 01:49:45,972 INFO L87 Difference]: Start difference. First operand 230 states and 301 transitions. Second operand has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 3 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2025-02-08 01:49:48,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:49:48,547 INFO L93 Difference]: Finished difference Result 239 states and 309 transitions. [2025-02-08 01:49:48,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 01:49:48,548 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 3 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 293 [2025-02-08 01:49:48,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:49:48,550 INFO L225 Difference]: With dead ends: 239 [2025-02-08 01:49:48,551 INFO L226 Difference]: Without dead ends: 232 [2025-02-08 01:49:48,551 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2025-02-08 01:49:48,551 INFO L435 NwaCegarLoop]: 278 mSDtfsCounter, 28 mSDsluCounter, 1555 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 1833 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2025-02-08 01:49:48,551 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 1833 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2025-02-08 01:49:48,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2025-02-08 01:49:48,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 230. [2025-02-08 01:49:48,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 144 states have (on average 1.2222222222222223) internal successors, (176), 149 states have internal predecessors, (176), 65 states have call successors, (65), 21 states have call predecessors, (65), 20 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2025-02-08 01:49:48,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 300 transitions. [2025-02-08 01:49:48,571 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 300 transitions. Word has length 293 [2025-02-08 01:49:48,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:49:48,572 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 300 transitions. [2025-02-08 01:49:48,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 3 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2025-02-08 01:49:48,572 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 300 transitions. [2025-02-08 01:49:48,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2025-02-08 01:49:48,579 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:49:48,579 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:49:48,600 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 01:49:48,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:49:48,780 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:49:48,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:49:48,780 INFO L85 PathProgramCache]: Analyzing trace with hash 2032751837, now seen corresponding path program 1 times [2025-02-08 01:49:48,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:49:48,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555545492] [2025-02-08 01:49:48,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:49:48,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:49:52,712 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 298 statements into 1 equivalence classes. [2025-02-08 01:49:52,787 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 298 of 298 statements. [2025-02-08 01:49:52,788 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:49:52,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:49:53,498 INFO L134 CoverageAnalysis]: Checked inductivity of 864 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 839 trivial. 0 not checked. [2025-02-08 01:49:53,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:49:53,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555545492] [2025-02-08 01:49:53,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555545492] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:49:53,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840323166] [2025-02-08 01:49:53,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:49:53,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:49:53,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:49:53,503 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:49:53,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 01:49:57,991 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 298 statements into 1 equivalence classes. [2025-02-08 01:49:58,531 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 298 of 298 statements. [2025-02-08 01:49:58,532 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:49:58,532 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:49:58,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 5329 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-02-08 01:49:58,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:49:59,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-02-08 01:50:01,236 INFO L134 CoverageAnalysis]: Checked inductivity of 864 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2025-02-08 01:50:01,237 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:50:01,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840323166] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:50:01,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:50:01,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 14 [2025-02-08 01:50:01,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229579883] [2025-02-08 01:50:01,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:50:01,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 01:50:01,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:50:01,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 01:50:01,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2025-02-08 01:50:01,238 INFO L87 Difference]: Start difference. First operand 230 states and 300 transitions. Second operand has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 9 states have internal predecessors, (92), 4 states have call successors, (44), 3 states have call predecessors, (44), 5 states have return successors, (43), 5 states have call predecessors, (43), 4 states have call successors, (43) [2025-02-08 01:50:11,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:50:11,103 INFO L93 Difference]: Finished difference Result 524 states and 692 transitions. [2025-02-08 01:50:11,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-08 01:50:11,103 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 9 states have internal predecessors, (92), 4 states have call successors, (44), 3 states have call predecessors, (44), 5 states have return successors, (43), 5 states have call predecessors, (43), 4 states have call successors, (43) Word has length 298 [2025-02-08 01:50:11,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:50:11,114 INFO L225 Difference]: With dead ends: 524 [2025-02-08 01:50:11,114 INFO L226 Difference]: Without dead ends: 297 [2025-02-08 01:50:11,115 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2025-02-08 01:50:11,116 INFO L435 NwaCegarLoop]: 325 mSDtfsCounter, 295 mSDsluCounter, 1551 mSDsCounter, 0 mSdLazyCounter, 830 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 1876 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2025-02-08 01:50:11,116 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 1876 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 830 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2025-02-08 01:50:11,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2025-02-08 01:50:11,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 293. [2025-02-08 01:50:11,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 185 states have (on average 1.2) internal successors, (222), 191 states have internal predecessors, (222), 77 states have call successors, (77), 31 states have call predecessors, (77), 30 states have return successors, (82), 70 states have call predecessors, (82), 71 states have call successors, (82) [2025-02-08 01:50:11,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 381 transitions. [2025-02-08 01:50:11,142 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 381 transitions. Word has length 298 [2025-02-08 01:50:11,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:50:11,143 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 381 transitions. [2025-02-08 01:50:11,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 9 states have internal predecessors, (92), 4 states have call successors, (44), 3 states have call predecessors, (44), 5 states have return successors, (43), 5 states have call predecessors, (43), 4 states have call successors, (43) [2025-02-08 01:50:11,143 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 381 transitions. [2025-02-08 01:50:11,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2025-02-08 01:50:11,152 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:50:11,152 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 8, 8, 8, 8, 8, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:50:11,171 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 01:50:11,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:50:11,353 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:50:11,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:50:11,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1915115068, now seen corresponding path program 1 times [2025-02-08 01:50:11,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:50:11,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261230800] [2025-02-08 01:50:11,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:50:11,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:50:15,059 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 298 statements into 1 equivalence classes. [2025-02-08 01:50:15,137 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 298 of 298 statements. [2025-02-08 01:50:15,137 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:50:15,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:50:15,882 INFO L134 CoverageAnalysis]: Checked inductivity of 864 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 839 trivial. 0 not checked. [2025-02-08 01:50:15,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:50:15,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261230800] [2025-02-08 01:50:15,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261230800] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:50:15,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449476455] [2025-02-08 01:50:15,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:50:15,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:50:15,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:50:15,885 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:50:15,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 01:50:20,754 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 298 statements into 1 equivalence classes. [2025-02-08 01:50:21,253 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 298 of 298 statements. [2025-02-08 01:50:21,254 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:50:21,254 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:50:21,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 5324 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 01:50:21,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:50:21,834 INFO L134 CoverageAnalysis]: Checked inductivity of 864 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2025-02-08 01:50:21,834 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:50:21,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449476455] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:50:21,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:50:21,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2025-02-08 01:50:21,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68252447] [2025-02-08 01:50:21,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:50:21,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 01:50:21,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:50:21,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 01:50:21,837 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-02-08 01:50:21,838 INFO L87 Difference]: Start difference. First operand 293 states and 381 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2025-02-08 01:50:22,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:50:22,501 INFO L93 Difference]: Finished difference Result 530 states and 709 transitions. [2025-02-08 01:50:22,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 01:50:22,501 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 298 [2025-02-08 01:50:22,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:50:22,504 INFO L225 Difference]: With dead ends: 530 [2025-02-08 01:50:22,506 INFO L226 Difference]: Without dead ends: 298 [2025-02-08 01:50:22,507 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-02-08 01:50:22,508 INFO L435 NwaCegarLoop]: 300 mSDtfsCounter, 34 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 820 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 01:50:22,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 820 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 01:50:22,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2025-02-08 01:50:22,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2025-02-08 01:50:22,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 188 states have (on average 1.196808510638298) internal successors, (225), 195 states have internal predecessors, (225), 78 states have call successors, (78), 31 states have call predecessors, (78), 31 states have return successors, (93), 71 states have call predecessors, (93), 72 states have call successors, (93) [2025-02-08 01:50:22,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 396 transitions. [2025-02-08 01:50:22,533 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 396 transitions. Word has length 298 [2025-02-08 01:50:22,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:50:22,533 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 396 transitions. [2025-02-08 01:50:22,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2025-02-08 01:50:22,534 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 396 transitions. [2025-02-08 01:50:22,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2025-02-08 01:50:22,537 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:50:22,537 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 8, 8, 8, 8, 8, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:50:22,562 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 01:50:22,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:50:22,738 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:50:22,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:50:22,738 INFO L85 PathProgramCache]: Analyzing trace with hash -460203890, now seen corresponding path program 1 times [2025-02-08 01:50:22,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:50:22,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783056512] [2025-02-08 01:50:22,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:50:22,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:50:26,835 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 304 statements into 1 equivalence classes. [2025-02-08 01:50:26,931 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 304 of 304 statements. [2025-02-08 01:50:26,931 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:50:26,931 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:50:27,783 INFO L134 CoverageAnalysis]: Checked inductivity of 864 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 839 trivial. 0 not checked. [2025-02-08 01:50:27,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:50:27,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783056512] [2025-02-08 01:50:27,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783056512] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:50:27,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788494568] [2025-02-08 01:50:27,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:50:27,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:50:27,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:50:27,790 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:50:27,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process