./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_find_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_find_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 f75d0ef33a31287833e190b2032d34d4d62b29cbbc430e756e509abfe84aec7a --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:49:07,857 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:49:07,911 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:49:07,915 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:49:07,915 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:49:07,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:49:07,929 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:49:07,929 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:49:07,929 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:49:07,929 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:49:07,929 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:49:07,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:49:07,930 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:49:07,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:49:07,930 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:49:07,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:49:07,930 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:49:07,930 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:49:07,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:49:07,930 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:49:07,930 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:49:07,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:49:07,931 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:49:07,931 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:49:07,931 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:49:07,931 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:49:07,931 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:49:07,931 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:49:07,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:49:07,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:49:07,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:49:07,932 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:49:07,932 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:49:07,932 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:49:07,932 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:49:07,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:49:07,932 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:49:07,932 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:49:07,932 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:49:07,932 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:49:07,932 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 -> f75d0ef33a31287833e190b2032d34d4d62b29cbbc430e756e509abfe84aec7a [2025-02-08 01:49:08,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:49:08,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:49:08,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:49:08,172 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:49:08,173 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:49:08,173 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness_negated.i [2025-02-08 01:49:09,356 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ddbc557e8/ba0abea943f8482d8f60e061632c5ac5/FLAG5cef8a191 [2025-02-08 01:49:09,977 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:49:09,978 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness_negated.i [2025-02-08 01:49:10,016 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ddbc557e8/ba0abea943f8482d8f60e061632c5ac5/FLAG5cef8a191 [2025-02-08 01:49:10,430 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ddbc557e8/ba0abea943f8482d8f60e061632c5ac5 [2025-02-08 01:49:10,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:49:10,434 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:49:10,435 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:49:10,435 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:49:10,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:49:10,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:49:10" (1/1) ... [2025-02-08 01:49:10,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b797e98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:10, skipping insertion in model container [2025-02-08 01:49:10,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:49:10" (1/1) ... [2025-02-08 01:49:10,543 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:49:10,761 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_find_harness_negated.i[4493,4506] [2025-02-08 01:49:10,771 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_find_harness_negated.i[4553,4566] [2025-02-08 01:49:11,440 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:11,441 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:11,441 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:11,442 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:11,443 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:11,454 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:11,455 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:11,456 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:11,456 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:11,457 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:11,458 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:11,459 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:11,459 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,076 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,076 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,089 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,090 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,093 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,093 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,102 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,103 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,103 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,103 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,104 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,104 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,104 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,135 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_find_harness_negated.i[228314,228327] [2025-02-08 01:49:12,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:49:12,163 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:49:12,172 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_find_harness_negated.i[4493,4506] [2025-02-08 01:49:12,172 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_find_harness_negated.i[4553,4566] [2025-02-08 01:49:12,205 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,206 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,207 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,207 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,207 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,213 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,215 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,216 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,216 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,216 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,217 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,217 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,217 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2025-02-08 01:49:12,390 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,391 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,397 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,397 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,399 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,399 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,407 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,409 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,409 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,409 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,409 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,410 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,410 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:12,429 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_find_harness_negated.i[228314,228327] [2025-02-08 01:49:12,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:49:12,599 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:49:12,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:12 WrapperNode [2025-02-08 01:49:12,600 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:49:12,600 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:49:12,600 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:49:12,601 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:49:12,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:12" (1/1) ... [2025-02-08 01:49:12,659 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:12" (1/1) ... [2025-02-08 01:49:12,739 INFO L138 Inliner]: procedures = 763, calls = 2450, calls flagged for inlining = 70, calls inlined = 20, statements flattened = 867 [2025-02-08 01:49:12,739 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:49:12,740 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:49:12,740 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:49:12,740 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:49:12,754 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:12" (1/1) ... [2025-02-08 01:49:12,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:12" (1/1) ... [2025-02-08 01:49:12,760 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:12" (1/1) ... [2025-02-08 01:49:12,838 INFO L175 MemorySlicer]: Split 315 memory accesses to 12 slices as follows [238, 2, 1, 9, 6, 2, 36, 3, 4, 3, 5, 6]. 76 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [6, 2, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0]. The 249 writes are split as follows [232, 0, 1, 1, 2, 1, 3, 3, 3, 1, 0, 2]. [2025-02-08 01:49:12,838 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:12" (1/1) ... [2025-02-08 01:49:12,839 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:12" (1/1) ... [2025-02-08 01:49:12,891 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:12" (1/1) ... [2025-02-08 01:49:12,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:12" (1/1) ... [2025-02-08 01:49:12,913 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:12" (1/1) ... [2025-02-08 01:49:12,919 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:12" (1/1) ... [2025-02-08 01:49:12,933 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:49:12,934 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:49:12,934 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:49:12,934 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:49:12,936 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:12" (1/1) ... [2025-02-08 01:49:12,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:49:12,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:49:12,961 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 01:49:12,963 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 01:49:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-08 01:49:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-08 01:49:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-08 01:49:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-08 01:49:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-08 01:49:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-08 01:49:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-08 01:49:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-02-08 01:49:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-02-08 01:49:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-02-08 01:49:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-02-08 01:49:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2025-02-08 01:49:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-02-08 01:49:12,981 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-02-08 01:49:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-02-08 01:49:12,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-02-08 01:49:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:49:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:49:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:49:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:49:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:49:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:49:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:49:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 01:49:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-08 01:49:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-02-08 01:49:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-02-08 01:49:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-02-08 01:49:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-02-08 01:49:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:49:12,982 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:49:12,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-02-08 01:49:12,982 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-02-08 01:49:12,982 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-02-08 01:49:12,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-02-08 01:49:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-02-08 01:49:12,982 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-02-08 01:49:12,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:49:12,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:49:12,983 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:49:12,983 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:49:12,983 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-08 01:49:12,983 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-08 01:49:12,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:49:12,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:49:12,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:49:12,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:49:12,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:49:12,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:49:12,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 01:49:12,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-08 01:49:12,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-02-08 01:49:12,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-02-08 01:49:12,987 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:49:12,987 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-08 01:49:12,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-02-08 01:49:12,987 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-08 01:49:12,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-08 01:49:12,987 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-08 01:49:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:49:12,987 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:49:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_find [2025-02-08 01:49:12,988 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_find [2025-02-08 01:49:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:49:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:49:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:49:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:49:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:49:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:49:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 01:49:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-08 01:49:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-08 01:49:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-08 01:49:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-02-08 01:49:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-02-08 01:49:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-02-08 01:49:12,988 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-02-08 01:49:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2025-02-08 01:49:12,988 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2025-02-08 01:49:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-08 01:49:12,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-08 01:49:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:49:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:49:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:49:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:49:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:49:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:49:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 01:49:12,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-08 01:49:12,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-08 01:49:12,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-08 01:49:12,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-02-08 01:49:12,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-02-08 01:49:12,991 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-02-08 01:49:12,991 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-02-08 01:49:13,344 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:49:13,346 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:49:13,393 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc588.base, #t~malloc588.offset; [2025-02-08 01:49:13,415 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9104-1: assume false; [2025-02-08 01:49:13,415 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9104-1: assume !false; [2025-02-08 01:49:13,436 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-08 01:49:13,441 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:49:13,558 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9293: havoc #t~ret1201#1; [2025-02-08 01:49:13,577 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9376-1: assume false; [2025-02-08 01:49:13,577 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9376-1: assume !false; [2025-02-08 01:49:13,606 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7341: havoc uninterpreted_hasher_#t~ret689#1; [2025-02-08 01:49:13,607 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9065-1: assume false; [2025-02-08 01:49:13,607 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9065-1: assume !false; [2025-02-08 01:49:13,654 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 01:49:13,676 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 01:49:13,690 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1: #res#1 := #t~funptrres1553#1;havoc #t~funptrres1553#1;havoc #t~ret1554#1;havoc #t~ret1555#1; [2025-02-08 01:49:13,690 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7328: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1;#t~ret1555#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~funptrres1553#1 := #t~ret1555#1; [2025-02-08 01:49:13,691 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ##fun~$Pointer$~X~$Pointer$~TO~intFINAL: assume true; [2025-02-08 01:49:13,691 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7271: havoc nondet_compare_#t~ret677#1;#t~ret1554#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~ret1554#1 && #t~ret1554#1 <= 2147483647;#t~funptrres1553#1 := #t~ret1554#1; [2025-02-08 01:49:13,691 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 01:49:13,698 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9091: havoc #t~ret1140; [2025-02-08 01:49:13,713 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-02-08 01:49:13,722 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-08 01:49:18,736 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#11(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#11(save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8); [2025-02-08 01:49:18,736 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6821: havoc aws_hash_table_has_an_empty_slot_#t~mem566#1.base, aws_hash_table_has_an_empty_slot_#t~mem566#1.offset;havoc aws_hash_table_has_an_empty_slot_#t~ret567#1; [2025-02-08 01:49:18,737 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#11(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#11(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 01:49:18,737 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6831: havoc hash_table_state_has_an_empty_slot_#t~mem571#1; [2025-02-08 01:49:18,737 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 01:49:18,831 INFO L? ?]: Removed 264 outVars from TransFormulas that were not future-live. [2025-02-08 01:49:18,831 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:49:18,845 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:49:18,847 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:49:18,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:49:18 BoogieIcfgContainer [2025-02-08 01:49:18,848 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:49:18,850 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:49:18,850 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:49:18,853 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:49:18,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:49:10" (1/3) ... [2025-02-08 01:49:18,853 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77cc0430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:49:18, skipping insertion in model container [2025-02-08 01:49:18,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:12" (2/3) ... [2025-02-08 01:49:18,854 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77cc0430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:49:18, skipping insertion in model container [2025-02-08 01:49:18,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:49:18" (3/3) ... [2025-02-08 01:49:18,855 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_find_harness_negated.i [2025-02-08 01:49:18,864 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:49:18,865 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_find_harness_negated.i that has 23 procedures, 252 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-02-08 01:49:18,911 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:49:18,920 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;@40cb0f83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:49:18,921 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:49:18,925 INFO L276 IsEmpty]: Start isEmpty. Operand has 251 states, 156 states have (on average 1.2820512820512822) internal successors, (200), 161 states have internal predecessors, (200), 67 states have call successors, (67), 22 states have call predecessors, (67), 21 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2025-02-08 01:49:18,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2025-02-08 01:49:18,934 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:49:18,935 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:49:18,935 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:49:18,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:49:18,939 INFO L85 PathProgramCache]: Analyzing trace with hash -290567138, now seen corresponding path program 1 times [2025-02-08 01:49:18,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:49:18,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007888652] [2025-02-08 01:49:18,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:49:18,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:49:23,812 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-02-08 01:49:24,085 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-02-08 01:49:24,085 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:49:24,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:49:24,570 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2025-02-08 01:49:24,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:49:24,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007888652] [2025-02-08 01:49:24,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007888652] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:49:24,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300895430] [2025-02-08 01:49:24,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:49:24,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:49:24,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:49:24,574 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 01:49:24,578 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 01:49:29,450 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-02-08 01:49:29,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-02-08 01:49:29,945 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:49:29,945 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:49:29,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 4648 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 01:49:29,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:49:29,990 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2025-02-08 01:49:29,990 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:49:29,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300895430] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:49:29,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:49:29,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 01:49:29,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39797325] [2025-02-08 01:49:29,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:49:29,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 01:49:29,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:49:30,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 01:49:30,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:49:30,012 INFO L87 Difference]: Start difference. First operand has 251 states, 156 states have (on average 1.2820512820512822) internal successors, (200), 161 states have internal predecessors, (200), 67 states have call successors, (67), 22 states have call predecessors, (67), 21 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-02-08 01:49:30,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:49:30,103 INFO L93 Difference]: Finished difference Result 495 states and 707 transitions. [2025-02-08 01:49:30,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 01:49:30,111 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 178 [2025-02-08 01:49:30,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:49:30,120 INFO L225 Difference]: With dead ends: 495 [2025-02-08 01:49:30,121 INFO L226 Difference]: Without dead ends: 231 [2025-02-08 01:49:30,125 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:49:30,127 INFO L435 NwaCegarLoop]: 320 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, 320 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 01:49:30,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 320 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 01:49:30,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2025-02-08 01:49:30,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2025-02-08 01:49:30,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 146 states have (on average 1.2328767123287672) internal successors, (180), 149 states have internal predecessors, (180), 64 states have call successors, (64), 21 states have call predecessors, (64), 20 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2025-02-08 01:49:30,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 304 transitions. [2025-02-08 01:49:30,169 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 304 transitions. Word has length 178 [2025-02-08 01:49:30,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:49:30,170 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 304 transitions. [2025-02-08 01:49:30,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-02-08 01:49:30,170 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 304 transitions. [2025-02-08 01:49:30,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2025-02-08 01:49:30,172 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:49:30,173 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:49:30,189 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 01:49:30,374 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 01:49:30,374 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:49:30,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:49:30,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1945861438, now seen corresponding path program 1 times [2025-02-08 01:49:30,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:49:30,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815698158] [2025-02-08 01:49:30,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:49:30,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:49:34,344 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-02-08 01:49:34,469 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-02-08 01:49:34,470 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:49:34,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:49:35,425 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2025-02-08 01:49:35,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:49:35,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815698158] [2025-02-08 01:49:35,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815698158] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:49:35,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187239674] [2025-02-08 01:49:35,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:49:35,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:49:35,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:49:35,430 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 01:49:35,433 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 01:49:39,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-02-08 01:49:40,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-02-08 01:49:40,322 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:49:40,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:49:40,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 4648 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 01:49:40,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:49:40,481 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2025-02-08 01:49:40,481 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:49:40,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187239674] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:49:40,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:49:40,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 4 [2025-02-08 01:49:40,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077852782] [2025-02-08 01:49:40,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:49:40,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 01:49:40,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:49:40,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 01:49:40,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 01:49:40,485 INFO L87 Difference]: Start difference. First operand 231 states and 304 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2025-02-08 01:49:40,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:49:40,715 INFO L93 Difference]: Finished difference Result 454 states and 597 transitions. [2025-02-08 01:49:40,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 01:49:40,716 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 178 [2025-02-08 01:49:40,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:49:40,720 INFO L225 Difference]: With dead ends: 454 [2025-02-08 01:49:40,722 INFO L226 Difference]: Without dead ends: 231 [2025-02-08 01:49:40,723 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 01:49:40,724 INFO L435 NwaCegarLoop]: 297 mSDtfsCounter, 0 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 01:49:40,724 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 888 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 01:49:40,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2025-02-08 01:49:40,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2025-02-08 01:49:40,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 146 states have (on average 1.226027397260274) internal successors, (179), 149 states have internal predecessors, (179), 64 states have call successors, (64), 21 states have call predecessors, (64), 20 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2025-02-08 01:49:40,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 303 transitions. [2025-02-08 01:49:40,739 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 303 transitions. Word has length 178 [2025-02-08 01:49:40,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:49:40,740 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 303 transitions. [2025-02-08 01:49:40,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2025-02-08 01:49:40,740 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 303 transitions. [2025-02-08 01:49:40,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2025-02-08 01:49:40,742 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:49:40,742 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:49:40,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 01:49:40,947 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 01:49:40,947 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:49:40,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:49:40,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1469354584, now seen corresponding path program 1 times [2025-02-08 01:49:40,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:49:40,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638690202] [2025-02-08 01:49:40,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:49:40,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:49:44,764 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 200 statements into 1 equivalence classes. [2025-02-08 01:49:44,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 200 of 200 statements. [2025-02-08 01:49:44,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:49:44,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:49:45,839 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2025-02-08 01:49:45,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:49:45,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638690202] [2025-02-08 01:49:45,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638690202] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:49:45,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943511646] [2025-02-08 01:49:45,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:49:45,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:49:45,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:49:45,843 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 01:49:45,845 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 01:49:50,231 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 200 statements into 1 equivalence classes. [2025-02-08 01:49:50,658 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 200 of 200 statements. [2025-02-08 01:49:50,659 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:49:50,659 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:49:50,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 4836 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 01:49:50,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:49:50,790 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2025-02-08 01:49:50,794 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:49:50,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943511646] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:49:50,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:49:50,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 4 [2025-02-08 01:49:50,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796928541] [2025-02-08 01:49:50,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:49:50,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 01:49:50,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:49:50,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 01:49:50,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 01:49:50,800 INFO L87 Difference]: Start difference. First operand 231 states and 303 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2025-02-08 01:49:51,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:49:51,024 INFO L93 Difference]: Finished difference Result 454 states and 595 transitions. [2025-02-08 01:49:51,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 01:49:51,025 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 200 [2025-02-08 01:49:51,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:49:51,028 INFO L225 Difference]: With dead ends: 454 [2025-02-08 01:49:51,028 INFO L226 Difference]: Without dead ends: 231 [2025-02-08 01:49:51,028 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 01:49:51,029 INFO L435 NwaCegarLoop]: 296 mSDtfsCounter, 0 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 01:49:51,029 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 885 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 01:49:51,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2025-02-08 01:49:51,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2025-02-08 01:49:51,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 146 states have (on average 1.2191780821917808) internal successors, (178), 149 states have internal predecessors, (178), 64 states have call successors, (64), 21 states have call predecessors, (64), 20 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2025-02-08 01:49:51,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 302 transitions. [2025-02-08 01:49:51,041 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 302 transitions. Word has length 200 [2025-02-08 01:49:51,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:49:51,041 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 302 transitions. [2025-02-08 01:49:51,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2025-02-08 01:49:51,042 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 302 transitions. [2025-02-08 01:49:51,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2025-02-08 01:49:51,043 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:49:51,043 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:49:51,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-08 01:49:51,244 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 01:49:51,244 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:49:51,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:49:51,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1246993000, now seen corresponding path program 1 times [2025-02-08 01:49:51,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:49:51,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271401758] [2025-02-08 01:49:51,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:49:51,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:49:55,225 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 200 statements into 1 equivalence classes. [2025-02-08 01:49:55,323 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 200 of 200 statements. [2025-02-08 01:49:55,323 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:49:55,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:49:58,724 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2025-02-08 01:49:58,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:49:58,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271401758] [2025-02-08 01:49:58,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271401758] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:49:58,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851370619] [2025-02-08 01:49:58,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:49:58,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:49:58,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:49:58,726 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 01:49:58,728 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 01:50:03,213 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 200 statements into 1 equivalence classes. [2025-02-08 01:50:03,683 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 200 of 200 statements. [2025-02-08 01:50:03,684 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:50:03,684 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:50:03,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 4838 conjuncts, 35 conjuncts are in the unsatisfiable core [2025-02-08 01:50:03,717 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:50:04,432 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 01:50:12,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2025-02-08 01:50:13,620 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2025-02-08 01:50:13,620 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:50:13,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851370619] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:50:13,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:50:13,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [10] total 18 [2025-02-08 01:50:13,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998032340] [2025-02-08 01:50:13,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:50:13,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 01:50:13,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:50:13,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 01:50:13,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2025-02-08 01:50:13,622 INFO L87 Difference]: Start difference. First operand 231 states and 302 transitions. Second operand has 14 states, 12 states have (on average 7.333333333333333) internal successors, (88), 11 states have internal predecessors, (88), 8 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (32), 7 states have call predecessors, (32), 7 states have call successors, (32) [2025-02-08 01:50:17,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 01:50:22,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 01:50:33,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:50:33,785 INFO L93 Difference]: Finished difference Result 428 states and 551 transitions. [2025-02-08 01:50:33,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 01:50:33,786 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 7.333333333333333) internal successors, (88), 11 states have internal predecessors, (88), 8 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (32), 7 states have call predecessors, (32), 7 states have call successors, (32) Word has length 200 [2025-02-08 01:50:33,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:50:33,792 INFO L225 Difference]: With dead ends: 428 [2025-02-08 01:50:33,792 INFO L226 Difference]: Without dead ends: 276 [2025-02-08 01:50:33,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 166 SyntacticMatches, 27 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=69, Invalid=483, Unknown=0, NotChecked=0, Total=552 [2025-02-08 01:50:33,798 INFO L435 NwaCegarLoop]: 289 mSDtfsCounter, 207 mSDsluCounter, 2646 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 42 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 2935 SdHoareTripleChecker+Invalid, 803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2025-02-08 01:50:33,798 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 2935 Invalid, 803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 759 Invalid, 2 Unknown, 0 Unchecked, 18.7s Time] [2025-02-08 01:50:33,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2025-02-08 01:50:33,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 274. [2025-02-08 01:50:33,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 176 states have (on average 1.1931818181818181) internal successors, (210), 180 states have internal predecessors, (210), 68 states have call successors, (68), 29 states have call predecessors, (68), 29 states have return successors, (67), 64 states have call predecessors, (67), 64 states have call successors, (67) [2025-02-08 01:50:33,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 345 transitions. [2025-02-08 01:50:33,818 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 345 transitions. Word has length 200 [2025-02-08 01:50:33,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:50:33,818 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 345 transitions. [2025-02-08 01:50:33,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 7.333333333333333) internal successors, (88), 11 states have internal predecessors, (88), 8 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (32), 7 states have call predecessors, (32), 7 states have call successors, (32) [2025-02-08 01:50:33,818 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 345 transitions. [2025-02-08 01:50:33,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2025-02-08 01:50:33,820 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:50:33,820 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:50:33,839 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 01:50:34,020 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 01:50:34,021 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:50:34,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:50:34,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1171758938, now seen corresponding path program 1 times [2025-02-08 01:50:34,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:50:34,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322956918] [2025-02-08 01:50:34,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:50:34,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:50:37,757 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 207 statements into 1 equivalence classes. [2025-02-08 01:50:37,831 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 207 of 207 statements. [2025-02-08 01:50:37,831 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:50:37,831 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:50:41,544 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2025-02-08 01:50:41,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:50:41,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322956918] [2025-02-08 01:50:41,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322956918] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:50:41,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010794185] [2025-02-08 01:50:41,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:50:41,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:50:41,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:50:41,550 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 01:50:41,552 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