./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 81878f133cf1520a898ab1dccc3c4ea8564ccc1e7b92efe6b8b73fb69d10ec78 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:46:57,135 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:46:57,210 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:46:57,218 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:46:57,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:46:57,242 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:46:57,243 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:46:57,243 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:46:57,244 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:46:57,244 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:46:57,245 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:46:57,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:46:57,245 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:46:57,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:46:57,246 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:46:57,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:46:57,246 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:46:57,247 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:46:57,247 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:46:57,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:46:57,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:46:57,247 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:46:57,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:46:57,247 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:46:57,247 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:46:57,247 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:46:57,247 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:46:57,248 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:46:57,248 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:46:57,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:46:57,248 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:46:57,248 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:46:57,248 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:46:57,249 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:46:57,249 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:46:57,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:46:57,249 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:46:57,249 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:46:57,249 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:46:57,249 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:46:57,249 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 -> 81878f133cf1520a898ab1dccc3c4ea8564ccc1e7b92efe6b8b73fb69d10ec78 [2025-02-08 01:46:57,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:46:57,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:46:57,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:46:57,532 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:46:57,532 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:46:57,533 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i [2025-02-08 01:46:58,868 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fd5666d44/b65af6fbe4154a75a012acc211ba4113/FLAGfab5062fc [2025-02-08 01:46:59,403 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:46:59,404 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i [2025-02-08 01:46:59,446 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fd5666d44/b65af6fbe4154a75a012acc211ba4113/FLAGfab5062fc [2025-02-08 01:46:59,460 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fd5666d44/b65af6fbe4154a75a012acc211ba4113 [2025-02-08 01:46:59,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:46:59,464 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:46:59,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:46:59,465 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:46:59,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:46:59,471 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:46:59" (1/1) ... [2025-02-08 01:46:59,473 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e332de8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:46:59, skipping insertion in model container [2025-02-08 01:46:59,473 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:46:59" (1/1) ... [2025-02-08 01:46:59,599 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:46:59,913 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_callback_string_eq_harness_negated.i[4501,4514] [2025-02-08 01:46:59,927 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_callback_string_eq_harness_negated.i[4561,4574] [2025-02-08 01:47:00,720 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:00,721 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:00,722 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:00,722 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:00,723 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:00,734 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:00,735 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:00,737 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:00,737 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:01,392 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:01,392 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:01,621 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:01,621 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:01,647 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:01,647 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:01,653 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:01,654 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:01,668 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:01,669 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:01,669 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:01,671 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:01,671 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:01,671 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:01,672 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:01,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:47:01,767 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:47:01,783 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_callback_string_eq_harness_negated.i[4501,4514] [2025-02-08 01:47:01,783 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_callback_string_eq_harness_negated.i[4561,4574] [2025-02-08 01:47:01,833 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:01,833 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:01,833 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:01,834 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:01,834 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:01,839 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:01,840 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:01,840 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:01,840 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:01,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8223] [2025-02-08 01:47:01,977 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:01,978 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:02,047 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:02,048 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:02,057 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:02,058 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:02,059 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:02,061 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:02,068 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:02,068 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:02,069 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:02,069 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:02,070 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:02,070 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:02,070 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:02,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:47:02,425 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:47:02,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:02 WrapperNode [2025-02-08 01:47:02,430 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:47:02,431 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:47:02,431 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:47:02,431 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:47:02,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:02" (1/1) ... [2025-02-08 01:47:02,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:02" (1/1) ... [2025-02-08 01:47:02,644 INFO L138 Inliner]: procedures = 757, calls = 3256, calls flagged for inlining = 77, calls inlined = 7, statements flattened = 402 [2025-02-08 01:47:02,646 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:47:02,647 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:47:02,647 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:47:02,647 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:47:02,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:02" (1/1) ... [2025-02-08 01:47:02,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:02" (1/1) ... [2025-02-08 01:47:02,660 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:02" (1/1) ... [2025-02-08 01:47:02,689 INFO L175 MemorySlicer]: Split 277 memory accesses to 4 slices as follows [2, 257, 5, 13]. 93 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 0, 5, 0]. The 260 writes are split as follows [0, 257, 0, 3]. [2025-02-08 01:47:02,689 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:02" (1/1) ... [2025-02-08 01:47:02,690 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:02" (1/1) ... [2025-02-08 01:47:02,725 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:02" (1/1) ... [2025-02-08 01:47:02,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:02" (1/1) ... [2025-02-08 01:47:02,734 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:02" (1/1) ... [2025-02-08 01:47:02,743 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:02" (1/1) ... [2025-02-08 01:47:02,750 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:47:02,751 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:47:02,751 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:47:02,751 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:47:02,752 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:02" (1/1) ... [2025-02-08 01:47:02,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:47:02,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:47:02,781 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 01:47:02,784 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 01:47:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-02-08 01:47:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-02-08 01:47:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-02-08 01:47:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-02-08 01:47:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:47:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:47:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:47:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:47:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:47:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:47:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:47:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:47:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:47:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:47:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:47:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:47:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:47:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:47:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:47:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:47:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:47:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:47:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:47:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:47:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:47:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:47:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:47:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:47:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-02-08 01:47:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-02-08 01:47:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:47:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:47:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:47:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:47:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:47:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:47:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:47:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:47:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:47:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:47:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:47:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:47:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure aws_c_string_is_valid [2025-02-08 01:47:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_c_string_is_valid [2025-02-08 01:47:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:47:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:47:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:47:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:47:03,122 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:47:03,124 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:47:03,175 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6887: havoc #t~malloc562.base, #t~malloc562.offset; [2025-02-08 01:47:03,183 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:47:03,206 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6245: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-02-08 01:47:03,209 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:47:03,244 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6804: havoc #t~ret548#1.base, #t~ret548#1.offset; [2025-02-08 01:47:03,259 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7673: havoc #t~nondet820; [2025-02-08 01:47:09,741 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L11040: havoc aws_string_eq_#t~mem2108#1;havoc aws_string_eq_#t~mem2109#1;havoc aws_string_eq_#t~ret2110#1; [2025-02-08 01:47:09,742 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L10776-1: assume false; [2025-02-08 01:47:09,742 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L10776-1: assume !false; [2025-02-08 01:47:09,833 INFO L? ?]: Removed 80 outVars from TransFormulas that were not future-live. [2025-02-08 01:47:09,834 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:47:09,844 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:47:09,846 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:47:09,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:47:09 BoogieIcfgContainer [2025-02-08 01:47:09,846 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:47:09,848 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:47:09,849 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:47:09,852 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:47:09,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:46:59" (1/3) ... [2025-02-08 01:47:09,853 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f6cf482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:47:09, skipping insertion in model container [2025-02-08 01:47:09,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:02" (2/3) ... [2025-02-08 01:47:09,854 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f6cf482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:47:09, skipping insertion in model container [2025-02-08 01:47:09,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:47:09" (3/3) ... [2025-02-08 01:47:09,855 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_string_eq_harness_negated.i [2025-02-08 01:47:09,870 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:47:09,871 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_callback_string_eq_harness_negated.i that has 11 procedures, 109 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-08 01:47:09,920 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:47:09,932 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;@162dde4c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:47:09,932 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:47:09,936 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 68 states have (on average 1.25) internal successors, (85), 70 states have internal predecessors, (85), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-08 01:47:09,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-02-08 01:47:09,945 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:47:09,945 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2025-02-08 01:47:09,946 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:47:09,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:47:09,951 INFO L85 PathProgramCache]: Analyzing trace with hash -758133558, now seen corresponding path program 1 times [2025-02-08 01:47:09,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:47:09,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280799462] [2025-02-08 01:47:09,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:47:09,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:47:54,871 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-08 01:47:55,372 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-08 01:47:55,373 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:47:55,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:47:56,053 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 01:47:56,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:47:56,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280799462] [2025-02-08 01:47:56,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280799462] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:47:56,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493993536] [2025-02-08 01:47:56,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:47:56,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:47:56,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:47:56,060 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 01:47:56,062 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